WO2013161824A1

WO2013161824A1 - Automatic cad design system, automatic cad design method, and storage medium

Info

Publication number: WO2013161824A1
Application number: PCT/JP2013/061937
Authority: WO
Inventors: 長尾良幸; 佐藤昌康; 杉山淳; 石川健
Original assignee: 株式会社コンピュータシステム研究所
Priority date: 2012-04-24
Filing date: 2013-04-23
Publication date: 2013-10-31
Also published as: JP2013228825A; JP6084780B2

Abstract

This automatic CAD design system (100; 200) comprises: an acquisition unit (ACQ) that acquires building type information and site information that defines a site; a storage unit (120; 220) that stores community rule information and individual unit information that defines an individual unit; an extraction unit (EXT) that, on the basis of the acquired site information, extracts the community rule information to be applied to the site defined by said site information; a space calculation unit (SPC) that finds an existable space, which is the space in which a building allowed to be built on said site can exist, on the basis of the acquired site information and by referencing the extracted community rule information (building-to-land ratio, floor area ratio, setback regulation, height restriction, sun/shadow regulation, etc.); and an automatic design unit (AUD) that automatically designs, within said existable space, a building including a plurality of individual units on the basis of the acquired building type information and by referencing at least a portion of the extracted community rule information.

Description

Automatic CAD design system, automatic CAD design method, and storage medium

The present invention relates to an automatic CAD design system, an automatic CAD design method, and an automatic CAD design program. It relates to the design program.

Cross-reference to related applications

This application claims the benefit of priority of Japanese Patent Application No. 2012-099286 (filed on April 24, 2012), the entire contents of which are incorporated herein by reference.

Traditionally, as one of the sales methods of sales staff in contractors (including contractors, construction companies, condominium developers (developers), and housing sales companies), walking in the sales area in charge, There is a work of finding a land suitable for construction such as a new house such as a parking lot or a building as a “sale candidate site”. After finding the candidate site, the sales staff returns to the company, obtains a housing map and public maps of the candidate site, and creates a rough plan and elevation of the building to be built at the candidate site in the company's design staff Request. Alternatively, in the case of a demanded sales destination candidate site, a completion forecast map such as a “perspective map” may be created. Upon receiving the request, the design staff creates a rough drawing suitable for the candidate site by using drawing software such as CAD. Only after such a rough drawing is completed, the sales staff visits the owner, who is the owner of the candidate site, with the drawing and starts the original sales activities.

As described above, the conventional sales method requires three stages of work: searching for candidate locations for sales staff, creating drawings for design staff, and sales activities for sales staff. In addition, searching for a candidate site by a sales staff basically requires walking, so it is very inefficient and cannot always search for a candidate site. There is not enough time for selling to the owner candidate who is the original job for searching for candidate sites, or there is insufficient opportunity for selling due to lack of candidate sites due to inefficiency of searching for candidate sites on foot The situation has been reached. In addition, the design of the building to be constructed in the candidate site requires specialized design staff other than the sales staff, which is also inefficient because it is also a work of a plurality of staff.

As a CAD system that reduces the labor and design cost of sales staff and supports sales activities, the present applicant assigns a technique called “CAD information generation system, method and program” (refer to Patent Document 1). Has been developed. This prior art can find a candidate site and rough CAD drawings and rough cost calculation suitable for the candidate site.

Further, in order to easily determine whether or not the designed building can be accommodated in the building space, “a building design method and a building manufacturing method using the design method” (see Patent Document 2) )) Has been developed.

JP 2011-198293 A Japanese Patent Laid-Open No. 11-236770

However, in the prior art disclosed in Patent Document 1, since the room layout and internal structure of the building are unknown, it is difficult for the owner candidate to have an image of the actual final building, and further, the actual business profitability It is not suitable for practical cost estimation (feasibility estimation) to judge In other words, 3D display of buildings (2D display, perspective view, etc.) for which practical cost estimation and room allocation have been completed is impossible only after the designer has actually created the drawing. As described above, this conventional technology still lacks functions as a sales activity support system.

Moreover, in the prior art by patent document 2, although it is possible to determine whether the designed building can be accommodated in a building space, the building to be judged can be designed automatically, or the possibility of business success ( In other words, there is no function for estimating (profitability), outputting a numerical value with sufficient support to contribute to the determination of business success possibility, or determining. That is, in this prior art, it is determined whether or not a building having only a candidate outer frame can be accommodated in the site without taking into consideration the internal structure of the designed building and the accompanying facilities. Therefore, it is extremely difficult for the related art to perform estimation, integration, determination of business success, etc. that can be used practically in consideration of the internal structure of the building, room allocation, and the like. Or it was impossible to perform automatic design considering whether the evacuation route complies with the law. At present, full-color architectural 3D printers have been put into practical use, but it has been difficult in the prior art to automatically design CAD data that can be output to this to produce a 3D model.

Therefore, an object of the present invention is to provide an automatic CAD design system, an automatic CAD design method, and an automatic CAD design program that solve the above-described problems.

In order to solve the above-described problems, an automatic CAD design system (apparatus) according to an embodiment of the present invention includes:
Site information that defines the site (area, shape, orientation, roadway status, corner lot information, geographical information, etc.) and building type information (eg, studio apartment type, 1K type, 2LDK type, office type, hall) Type, store type, hotel type, composite type including multiple types, etc.)
Group definition information including at least a floor area ratio, and individual unit information that defines at least one individual unit associated with each building type information (eg, 1K, 2LDK, conference room, office, reception room, machine room, Storage units for storing elevators, elevator rooms, sewage units, parking equipment units, bicycle parking facility units, stairs, roofs, rooftops, floors, foundations, etc.)
Based on the acquired site information, an extraction unit that extracts group specification information applied to the site specified by the site information;
Based on the acquired site information, with reference to the extracted group regulation information (building coverage ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.), the possible space of buildings that can be built on the site is determined. A spatial calculation unit to be obtained;
Based on the acquired building type information, referring to at least a part of the extracted group definition information, an automatic design unit that automatically designs a building including a plurality of individual units in the existing space,
Have

An automatic CAD design system (apparatus) according to another embodiment of the present invention includes:
The site information includes geographical information of the site (use area information, address, latitude / longitude information, direction, direction, etc.) and / or contact information of the site (length of road surface, road in contact with the site) Including width)
The extraction unit is
Based on the acquired geographical information of the site and / or site information including the road access information of the site, the group specification information applied to the site specified by the site information is extracted.
It is characterized by that.
Here, the site information was GPS surveyed at several points on the site with a mobile terminal (cell phone, smartphone, etc.) having a GPS function unit, and the geographical information of the site (latitude / longitude altitude, these information were calculated) It is preferable to acquire a site area, a direction, and the like. In that case, it is preferable to improve the positioning accuracy by utilizing not only GPS satellites but also ground GPS base stations and mobile phone base stations. Furthermore, it is preferable to acquire not only the site but also information on the road in contact with the site by GPS surveying that acquires several points on the road.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The individual unit is
Includes a central corridor unit (for example, dimension information of the central corridor) and a room unit including at least one room (for example, an individual residence such as 1K, 2LDK, and 3LDK, an office, a hotel room, a conference room, etc.) ,
The automatic design unit
When the area of the site specified by the site information is less than a predetermined value,
Create a building outer peripheral shape based on the site shape (or space where it can exist), determine the planar center of gravity of the building, place the central corridor unit through the center of gravity, and place the room unit in the central corridor Automatically designing the building by arranging it sequentially along at least a part of both sides in the longitudinal direction of the unit (preferably so as to enter the existence space);
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The individual unit is
Including a balcony unit (for example, basic shape and dimension information of the balcony) and a room unit (for example, individual residences such as 1K, 2LDK, 3LDK, Totsubo office, 20 tsubo office, etc.)
The automatic design unit
When the area of the site stipulated by the site information is equal to or greater than a predetermined value, at least one side of the site (preferably a side facing a neighboring area with a good view such as a roadside, a park or a vacant land, or the south The balcony unit is arranged along one side of the direction, and the room unit is sequentially arranged along at least a part of one side inside the site in the longitudinal direction of the balcony unit to automatically design the building (preferably So that it can enter the possible space)
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The acquisition unit
Based on the geographical information of the site specified in the site information, further obtaining group specification information applied to the site from an external server,
The extraction unit is
Extracting the acquired group definition information as group definition information applied to the site;
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The individual unit is
An evacuation staircase unit, a room unit including at least one room and an entrance, and a passage unit connecting the entrance of the room unit and the entrance of another room unit,
The storage unit
The distance from the entrance of the room unit to the evacuation staircase unit via the passage unit (for example, within 30 m, within 40 m, or within 50 m at semi-refractory hotels), or the evacuation staircase unit specified according to the building conditions Single unit information including evacuation route setting information that defines the number (for example, two or more hotels, two or more apartment buildings, two or more, the number set according to the number of floors, total floor area, etc.) Store and
The automatic design unit
The distance from each entrance of each room unit of the automatically designed building to the evacuation staircase unit (emergency staircase) as an evacuation route satisfies the distance specified by the evacuation route setting information and / or the building Arranging at least one emergency stair unit in the building so as to satisfy the number of evacuation stair unit defined according to the conditions of
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Further storing a plurality of patterned CAD information for the first floor of a building including a plurality of individual units,
The automatic CAD design system is
A first input receiving unit that receives designation of one piece of patterned CAD information selected from the plurality of pieces of patterned CAD information;
The automatic design unit
Based on the received patterned CAD information, referring to at least a part of the extracted group definition information, a hierarchy including at least a part of the patterned CAD information is sequentially stacked to automatically build a building in the existence space. design,
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Unit unit price information for each individual unit specified in the individual unit information and / or building unit price information (for example, basic unit price information for basic construction, three-story basic unit price information, five-story basic unit price information, accompanying Store the equipment costs, equipment construction costs, etc.)
The automatic CAD design system is
A building including a plurality of individual units is referred to the unit unit price information and / or the building unit price information based on the individual unit included in the building that is automatically designed in the existing space, and the building An estimate calculation unit for calculating the construction cost of
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Further storing building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit defined by the building grade, and / or building unit price information;
The automatic CAD design system is
A second input receiving unit that receives an input of one building grade selected from the plurality of building grades;
The automatic design unit
Calculate the building cost of the building based on the individual units included in the automatically designed building based on the accepted building grade input.
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Building grade information defining multiple building grades with different costs and / or specifications;
Unit unit price information for each individual unit specified for each building grade and / or building unit price information is further stored, and the automatic CAD design system includes:
A second input receiving unit that receives an input of one building grade selected from the plurality of building grades;
The automatic design unit
Based on the accepted building grade input, execute the automatic design of the building, and calculate the building cost of the building based on the individual units included in the building.
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Further store rental unit price information for each individual unit and / or region specified in the individual unit information,
The acquisition unit
Get additional down payment for construction costs, loan interest rates and at least part of the region or address,
The estimate calculation unit
Rent standard unit price for which at least one of the individual units included in the building is determined based on at least a part of the acquired area or address based on the calculated construction cost, the acquired down payment and the loan interest rate. Calculate a time-series balance plan when renting at the rent specified in the information (finally output as a balance sheet)
It is characterized by that.

An automatic CAD design system (apparatus) according to still another embodiment of the present invention includes:
The storage unit
Stores feasibility rule information that defines feasibility rules for evaluating the profitability of rental business based on income and expenditure plans,
The estimate calculation unit
Evaluate the business profitability of the income and expenditure plan calculated by the estimate calculation unit based on the feasibility rule information (for example, business success probability 80% (business failure risk is 20%), 95% success probability, etc. Risk assessment of business success),
It is characterized by that.

As described above, the solution of the present invention has been described as a system (apparatus). However, the present invention can also be realized as a method, a program, and a computer-readable storage medium recording the program. It should be understood that these are included in the scope of the present invention. Each step of the following methods and programs uses an arithmetic processing unit (processor) such as a CPU or DSP as necessary for data processing. Input data, processed / generated data, etc. Is stored in a storage device such as a magnetic tape, HDD, or memory.

For example, a program according to another aspect of the present invention is realized as an automatic CAD design program that causes a computer to function as the automatic CAD design system of each aspect described above. Or the storage medium by another aspect of this invention is implement | achieved as a computer-readable storage medium which stored said automatic CAD design program.

For example, an automatic CAD design method using a computer according to another aspect of the present invention, in which the present invention is implemented as a method,
Site information that defines the site (area, shape, orientation, roadway status, corner lot information, geographical information, etc.) and building type information (eg, studio apartment type, 1K type, 2LDK type, office type, hall) Type, store type, hotel type, composite type including multiple types, etc.)
Group definition information including at least a floor area ratio, and individual unit information that defines at least one individual unit associated with each building type information (eg, 1K, 2LDK, conference room, office, reception room, machine room, Storage steps for storing elevators, elevator rooms, sewage units, parking equipment units, bicycle parking facility units, stairs, roofs, rooftops, floors, foundations, etc.)
Based on the acquired site information, an extraction step for extracting group definition information applied to the site specified by the site information;
Based on the acquired site information, with reference to the extracted group regulation information (building coverage ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.), the possible space of buildings that can be built on the site is determined. The required spatial calculation step;
Based on the acquired building type information, automatic design for automatically designing a building including a plurality of individual units in the existing space (in a building space) with reference to at least a part of the extracted group definition information Steps,
Have

An automatic CAD design method according to another embodiment of the present invention includes:
The site information includes geographical information of the site (use area information, address, latitude / longitude information, direction, direction, etc.) and / or contact information of the site (length of road surface, road in contact with the site) Including width)
The extraction step comprises:
Based on the acquired geographical information of the site and / or site information including the road access information of the site, the group specification information applied to the site specified by the site information is extracted.
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The individual unit is
Includes a central corridor unit (for example, dimension information of the central corridor) and a room unit including at least one room (for example, an individual residence such as 1K, 2LDK, and 3LDK, an office, a hotel room, a conference room, etc.) ,
The automatic design step includes
When the area of the site stipulated by the site information is less than a predetermined numerical value, a building outer peripheral shape is created based on the shape of the site (or a space that can exist), and the planar center of gravity of the building is obtained, The interior corridor unit is arranged so as to pass through the center of gravity, and the room unit is sequentially arranged along at least a part of both sides in the longitudinal direction of the interior corridor unit to automatically design the building (preferably the existence space) )
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The individual unit is
Including a balcony unit (for example, basic shape and dimension information of the balcony) and a room unit (for example, individual residences such as 1K, 2LDK, 3LDK, Totsubo office, 20 tsubo office, etc.)
The automatic design step includes
When the area of the site stipulated by the site information is equal to or greater than a predetermined value, the balcony unit is arranged along at least one side of the site (preferably a side of a roadway or a side facing south), The room unit is sequentially arranged along at least a part of one side inside the longitudinal site of the balcony unit to automatically design the building (preferably so as to enter the existence space).
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The obtaining step comprises
Based on the geographical information of the site specified in the site information, further obtaining group specification information applied to the site from an external server,
The extraction step comprises:
Extracting the acquired group definition information as group definition information applied to the site;
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The individual unit is
An evacuation staircase unit, a room unit including at least one room and an entrance, and a passage unit connecting the entrance of the room unit and the entrance of another room unit,
The storing step includes
The distance from the entrance of the room unit to the evacuation staircase unit through the passage unit (within 30m, within 40m, within 50m at semi-refractory hotels, etc.), or the number of evacuation staircase units specified according to the building conditions ( The hotel further stores single provision information including evacuation route setting information that defines two or more hotels, two or more apartments on the fifth floor or more, the number set according to the number of floors or total floor area, etc.,
The automatic design step includes
The distance from each entrance of each room unit of the automatically designed building to the evacuation staircase unit (emergency staircase) as an evacuation route satisfies the distance specified by the evacuation route setting information and / or the building Arranging at least one emergency stair unit in the building so as to satisfy the number of evacuation stair unit defined according to the conditions of
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The storing step includes
Further storing a plurality of patterned CAD information for the first floor of a building including a plurality of individual units,
The automatic CAD design method comprises:
A first input receiving step of receiving designation of one piece of patterned CAD information selected from the plurality of pieces of patterned CAD information;
The automatic design step includes
Based on the received patterned CAD information, referring to at least a part of the extracted group definition information, a hierarchy including at least a part of the patterned CAD information is sequentially stacked to automatically build a building in the existence space. design,
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The storing step includes
Unit unit price information for each individual unit specified in the individual unit information, and / or building unit price information (basic construction unit price information, three-story basic unit price information, five-story basis unit price information, and associated equipment Costs, equipment construction costs, etc.)
The automatic CAD design method comprises:
A building including a plurality of individual units is referred to the unit unit price information and / or the building unit price information based on the individual unit included in the building that is automatically designed in the existing space, and the building An estimate calculating step for calculating the construction cost of
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The storing step further stores building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit specified for each building grade, and / or building unit price information,
The automatic CAD design method comprises:
A second input receiving step of receiving an input of one building grade selected from the plurality of building grades;
The automatic design step comprises
Calculate the building cost of the building based on the individual units included in the automatically designed building based on the accepted building grade input.
It is characterized by that.

An automatic CAD design method according to still another embodiment of the present invention includes:
The storing step includes
Further storing building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit defined by the building grade, and / or building unit price information;
The automatic CAD design method comprises:
A second input receiving step of receiving an input of one building grade selected from the plurality of building grades;
The automatic design step comprises
Based on the accepted building grade input, execute the automatic design of the building, and calculate the building cost of the building based on the individual units included in the building.
It is characterized by that.

An automatic CAD design method according to the twenty-fourth invention is
The storing step includes
Further store rental unit price information for each individual unit and / or region specified in the individual unit information,
The obtaining step comprises
Get additional down payment for construction costs, loan interest rates and at least part of the region or address,
The estimate calculation step includes:
Rent standard unit price for which at least one of the individual units included in the building is determined based on at least a part of the acquired area or address based on the calculated construction cost, the acquired down payment and the loan interest rate. Calculate a time-series balance plan when renting at the rent specified in the information (finally output as a balance sheet)
It is characterized by that.

An automatic CAD design method according to the twenty-fifth aspect of the invention is
The storing step includes
Stores feasibility rule information that defines feasibility rules for evaluating the profitability of rental business based on income and expenditure plans,
The estimate calculation step includes:
Evaluate the business profitability of the income and expenditure plan calculated by the estimate calculation unit based on the feasibility rule information (for example, business success probability 80% (business failure risk is 20%), 95% success probability, etc. Risk assessment of business success),
It is characterized by that.

According to the present invention, it is possible to automatically design a building corresponding to the site information from the site information.

FIG. 1 is a block diagram showing an outline of an automatic CAD design system according to an embodiment of the present invention. FIG. 2 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 3 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. FIG. 4 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. FIG. 5 is a schematic diagram for explaining planar growth of individual units. FIG. 6 is a schematic diagram for explaining planar growth of individual units. FIG. 7 is a schematic diagram for explaining planar growth of individual units. FIG. 8 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 9 is a schematic diagram for explaining planar growth of individual units. FIG. 10 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. This FIG. 11 is a flowchart showing a process executed in parallel with the process executed in the automatic CAD design system shown in FIG. FIG. 12 is a schematic diagram for explaining planar growth of individual units. FIG. 13 is a schematic diagram for explaining planar growth of individual units. FIG. 14 is a schematic diagram for explaining planar growth of individual units. FIG. 15 is a schematic diagram for explaining planar growth of individual units. FIG. 16 is a schematic diagram for explaining a hierarchical block on the first floor and a hierarchical block on the second floor. FIG. 17 is a schematic diagram illustrating a hierarchical block (store) on the first floor and a hierarchical block on the second floor. FIG. 18 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 19 is a schematic diagram for explaining planar growth of individual units by the process when it is determined that the site area is small in the process of FIG. FIG. 20 is a schematic diagram for explaining planar growth of individual units by another logic that is automatically and efficiently designed when the site area is small. FIG. 21 is a schematic diagram showing an outline of processing executed in the automatic CAD design system shown in FIG. FIG. 22 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. FIG. 23 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 24 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 25 is a block diagram showing an outline of an automatic CAD design system according to an embodiment of the present invention. FIG. 26 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. FIG. 27 is an explanatory diagram showing a plurality of patterned CAD information PCI for the first floor of a building including a plurality of individual units. FIG. 28 is an explanatory diagram for explaining that a building is automatically designed according to given information and conditions. FIG. 29 is an explanatory diagram for explaining that a building including an accompanying facility is automatically designed according to given information and conditions. FIG. 30 is a schematic diagram for explaining a process of enlarging the building object (individual unit) or increasing the thickness in order to check whether the regulations such as the oblique line regulation, the building coverage ratio, the setback, and the height restriction are cleared. . FIG. 31 is a schematic diagram showing a state in which piles are automatically designed on the virtual support layer according to the ground survey. FIG. 32 is a flowchart illustrating an example of processing executed in the automatic CAD design system. FIG. 33 is a schematic diagram for explaining the screen interface of the present system. It is the schematic for demonstrating the outline of this system. FIG. 34 is a schematic diagram for explaining the screen interface of the present system. FIG. 35 is a schematic diagram for explaining the screen interface of the present system. FIG. 36 is a schematic diagram for explaining a screen interface of the present system. FIG. 37 is a schematic diagram for explaining the screen interface of the present system.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing an outline of an automatic CAD design system according to an embodiment of the present invention. As shown in the figure, the automatic CAD design system 100 (ACDS) includes a control unit (CPU, processor) 110, a storage unit 120, an input unit IN, an output unit OUT, a communication unit COM, and a display unit DIS. The control unit 110 includes site information that defines the site (area, shape, orientation, roadway connection status, corner information, geographical information, etc.) and building type information (for example, one-room apartment type, 1K type, 2LDK type, Office type, hall type, store type, hotel type, composite type including a plurality of the above types, etc.). The storage unit 120 includes group definition information GRI including at least the floor area ratio and each building type information (or various conditions related to the building, such as the width of the frontage, the depth, the presence or absence of the balcony, the size thereof, the presence or absence of the window, and the like. Individual unit information UI that defines at least one individual unit associated with the size, room area, room layout, 2 living rooms + 2K indicating kitchen, 3 rooms + living room, 3LDK indicating dining kitchen, etc. (For example, 1K, 2K, 2LDK, 3LDK, conference room, office, reception room, machine room, elevator, elevator room, sewage unit, sewage tack, shared toilet, parking facility unit, bicycle parking facility unit, stairs, roof, Stores the unit type (rooftop, floor, foundation, etc.). Among the individual units, the most important ones are individual units to be grown such as 1K, 2LDK, 3DLK and office spaces (15 tsubo type, 20 tsubo type, etc.) which are units of a single office or residence. This individual unit may be referred to as a room unit. This system can automatically extract, automatically place, and grow these individual units to be grown according to the site conditions and building type given, and automatically generate 3D CAD objects for the final building. Is possible.

The control unit 110 further includes an extraction unit EXT, a space calculation unit SPC, and an automatic design unit AUD. Based on the acquired site information, the extraction unit EXT extracts group specification information applied to the site specified by the site information. Based on the acquired site information, the space calculation unit SPC refers to the extracted group provision information (building coverage ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.) of building that can be built on the site. Find possible space. Based on the acquired building type information, the automatic design unit AUD automatically designs a building including a plurality of individual units in the possible existence space with reference to at least a part of the extracted group definition information.

The acquisition unit ACQ receives geographical information (for example, from the geographical information server GIS that provides geographical information based on a geographical search key such as an address, latitude / longitude, and region name via the communication unit COM and the network NET. Acquire map, house map, public map, etc. as site shape, roadway information, or adjacent site information), store the acquired geographical information in the storage unit 120, or update the stored information It is possible to do. In addition, the acquisition unit ACQ acquires the latest group definition information from the building restriction information server CLS via the communication unit COM and the network NET, and uses it for the extraction processing of the extraction unit EXT, or the information in the storage unit 120 Can be updated.

The building regulation information server CLS may be included in the geographic information server GIS, or may include the function of the geographic information server GIS. The building regulation information server CLS and the geographic information server GIS are preferably servers related to building regulations managed by design offices, building CAD software companies, local governments, countries, and public institutions. For example, this system stores the access procedure that defines the address and data format of the local government server in the storage unit, and extracts the shape, area, direction, etc. of the site from the server using the address as a key. It is possible to extract building regulation information such as site use area and group regulations. This system accesses several building regulation information servers CLS and geographical information server GIS which are such an external server as needed, refers to or acquires necessary information, and stores them in the storage unit. It can be stored. For example, when an address or latitude / longitude is input as certain site information, the Building Standard Act is used as a fundamental law (group provision), but the website of the municipality having jurisdiction over the address is referred to as the building regulation information server CLS or Refers to the geographic information server GIS (or group provision information or unit provision information prescribed for each region in the storage unit), and the laws and regulations (group provisions) that should be applied to the building constructed on the site in the area It is possible to automatically design based on the extracted laws and regulations. In other words, typically, according to the building standards law of the principle, regulations set by city planning established by local governments, and regulations such as ordinances established by local governments (the latter ones are applied preferentially) Although the set numerical values and the like are updated, the present system can easily and accurately determine the application relationship of such complicated laws and regulations, and can perform automatic design based on the application relationship.

Also, at this time, it is possible to display the laws and regulations applicable to the building on the site on the display unit to help the designer. For example, in the Building Standard Law, even buildings with height restrictions of 10 meters and shadow restrictions are relaxed by the regulations of local governments such as wards and cities, and higher 12 meters and 30 meters Larger occupancy rates may be applied by building higher floor ratios or fireproof structures, but the system will automatically It is possible to carry out automatic design based on this. In addition, the applicable laws and regulations vary depending on the buildings created by automatic design, but this system dynamically varies the applicable laws and regulations depending on the buildings created by automatic design. Thus, it is possible to guarantee that the automatically designed building is a legitimate building that has cleared the regulations.

Communication department COM is the terminal PC1, PC2, mobile terminal PDA1. It is possible to exchange information by connecting to the mobile phone terminal MS1. The output unit OUT can output information stored in the server or generated information to the printer PRN. The display unit DIS can also display information stored in the server and generated information. The input unit IN receives an operation instruction or information input that is input via the mouse MUS or the keyboard KBD.

In this way, the generated information and intermediate data and acquired data are transmitted to the outside, displayed on the display unit, and the generated information and intermediate data and acquired data are stored in the storage unit. It should be noted that other actual modes described later are possible as well. The system (apparatus) is a general-purpose computer, a special-purpose computer, a server, a PC, or the like, or a program module that implements (executes) the function and processing procedure (method) of the system on the computer. It is preferable to construct this system on a computer by holding it in a CPU or storage unit of the computer or reading it from an external server or storage, and the same applies to each of the following embodiments.

FIG. 2 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. As shown in the figure, in step S11, the acquisition unit ACQ acquires site information that defines the site and building type information. Next, in step S12, group definition information including at least the floor area ratio and individual unit information that defines at least one individual unit associated with each building type information are stored. This storage step can be omitted if it is performed once in advance. In step S13, the extraction unit EXT extracts group definition information to be applied to the site specified by the site information based on the acquired site information. Thereafter, in step S14, the space calculation unit SPC refers to the group definition information (building ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.) extracted based on the acquired site information, The space where a building that can be built can be found is found. Alternatively, the group definition information suitable for the site may be manually extracted by the user. Finally, in step S15, the automatic design unit AUD can refer to at least a part of the extracted group definition information based on the acquired building type information, and the building including a plurality of individual units can exist. Design automatically in space. Incidentally, the automatically designed building is displayed on the display unit DIS, or transmitted to an external terminal or PC connected via the communication unit COM and displayed on the display unit of the terminal.

As described above, once the storage step such as step S12 is performed, it is not necessary to re-execute until the information is changed. Alternatively, the storing step becomes unnecessary by installing a ROM or flash memory storing the information in a system (apparatus or computer).

FIG. 3 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. As shown in the figure, the present system acquires site information indicating the site SITE 10. “Volume ratio: 900%, height limit: 10 m” is extracted as the group definition information corresponding to the site from the group definition information GRI in the storage unit. On the site SITE 10, a building space AVS 10 (building existence space) is set (calculated) on the site SITE 10. Next, the individual unit UI10 is extracted as individual unit information corresponding to the specified conditions (building type information) from the individual unit information UI of the storage unit. In this example, the individual unit can be used as a block for one layer as it is. The extracted individual unit UI10 is arranged in the buildable space AVS10 of the site SITE10. The arranged individual unit UI10 is tried to be duplicated (grown) in the plane in the site SITE10. In this example, there is no room for growth in the plane of the building space AVS10, and therefore, the individual unit UI10 is not duplicated in a plane. Therefore, the trial of planar duplication (growth) is stopped, and blocks for the first floor hierarchy are determined. Next, the hierarchical blocks on the first floor are sequentially replicated upward in the building space and within the limits of the floor area ratio. In this example, the hierarchical level is increased by automatic design until the volume ratio is limited to 900% and the height limit is limited to 10 m. The construction cost of the nine-storey building OBJ10 automatically designed in this way is calculated to determine the final business success possibility.

FIG. 4 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. As shown in the figure, the present system acquires site information indicating the site SITE 20. “Volume ratio: 900%, height limit: 10 m” is extracted as the group definition information corresponding to the site from the group definition information GRI in the storage unit. Based on a part of the group definition information (in this case, the height restriction), the building space AVS20 (building existence space) is set (calculated) on the site SITE20. Next, the individual unit UI 20 is extracted as individual unit information corresponding to the specified conditions (building type information) from the individual unit information UI of the storage unit. The individual unit UI20 is an independent room unit, and one of four horizontal surfaces is an opening (portion with a window), an entrance (portion where an entrance is installed), and a connection (wall). Thus, individual units such as room units can be connected to the connection portion. The extracted individual unit UI20 is arranged in the buildable space AVS20 of the site SITE20. The arranged individual unit UI20 is tried to be duplicated (growth) in a plane in the site SITE20. In this example, there are two room for growth in the plane of the building space AVS20. Only one is duplicated. Therefore, the trial of planar duplication (growth) is stopped, and a block BLK20 corresponding to the first floor including three individual units UI20 is constructed (generated). Hierarchical blocks usually include hallways, stairs, elevators, etc., but are omitted here for the sake of drawing and explanation. Next, the hierarchical block BLK20 on the first floor is sequentially replicated upward within the limits of the building space and the floor area ratio. In this example, the hierarchical blocks are stacked by automatic design until the volume ratio is limited to 900% and the height limit is limited to 10 m (in this example, to the limit of the volume ratio). Here, the hierarchical blocks BLK20-1, BLK20-2,..., BLK20-8 and 8 hierarchical blocks are stacked, and a nine-story building OBJ20 is automatically constructed (generated). The construction cost of the 9-story building OBJ20 automatically designed in this way is calculated to determine the final business success possibility. For example, if the unit price information for an individual unit is 10 million yen, then multiplying this unit price by 27 for the number of individual units, it is possible to obtain an estimated construction cost of 270 million yen using the approximate cost calculation function of automatic estimation. It is.

FIG. 5 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE 30 in contact with the road RD30, the present system extracts a balcony and an individual unit UI30 as individual units based on given conditions (building type). The balcony is a CAD member that can expand and contract in the longitudinal direction. This balcony is arranged on the road side of the site, and is extended from the end of the side to the other end to be arranged as a balcony BLKN30. And individual unit UI30 is arrange | positioned at the edge part of the inner side of the site | part of the longitudinal direction of balcony BLKN30, and repeats duplication of the room unit of a predetermined | prescribed automatic design rule (for example, a site or a building possible space in an individual unit to the maximum) Etc.). Although not shown in the figure, the individual unit UI30 has an opening (window unit) on the balcony side and a entrance (entrance unit) on the opposite side of the individual unit UI30, and further, a room configuration (for example, 20 square meter living, 10 square meter kitchen, 8 square meter unit bath, etc.). Alternatively, even if the unit is not included as CAD information, it is preferable to store the position of the entrance or opening in the unit as data and use it for calculation of an evacuation route to be described later. . Further, in order to provide a spare evacuation route in addition to the direct evacuation route, it is preferable that the balcony unit BLKN30 includes an emergency evacuation ladder unit. In addition, for example, it is preferable that the balcony unit BLKN30 is provided with a partition plate PTN30N for partitioning the balcony to separate the balcony portions corresponding to the individual units and maintain the independence of each room. The corridor unit CLD30 is automatically arranged on the opposite side of the individual unit UI30, UI30-1, UI30-2, UI30-3, UI30-4 from the balcony side. In this way, the hierarchical block BLK30 is automatically designed. The hierarchical blocks BLK30 are stacked in the vertical direction, and are automatically designed within the range of the limit of the building space or the volume ratio. Here, direct emergency staircases (evacuation routes) are not considered, but it is possible to draw a rough CAD drawing with room allocation, and calculate the approximate cost by integrating the unit price of each individual unit It is also possible. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price.

FIG. 6 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE30-M that is in contact with the road RD30-M, this system uses a balcony unit MLKN30-M and a corridor unit as individual units based on the given conditions (building type). The individual unit UI30-M, which is a room unit including the CLD 30-M, is extracted. Since this individual unit is a room unit that combines a balcony and a corridor, it is possible to simplify the process of automatic design and the configuration of the growth logic. The balcony is located on the road side of the site. The individual unit UI30-M is duplicated based on a predetermined automatic design rule (for example, the duplication of the room unit of the individual units in the site or the building space is repeated as much as possible). Then, four individual units UI30-M are duplicated and connected to automatically design one hierarchical block BLK30-M. The hierarchical blocks BLK30-M are stacked in the vertical direction, and are automatically designed within the limits of the building space or the volume ratio. Here, emergency staircases (evacuation routes) are not considered, but it is possible to draw a rough CAD drawing with room allocation completed, and to calculate the approximate cost by adding the unit price of each individual unit Is also possible. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price.

FIG. 7 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE30-S in contact with the road RD30-S and road RD30-E, this system automatically designs the hierarchical block BLK30-T1 based on the given conditions (building type). Build in. The floor area percentage digestion rate (the percentage of the total floor area of the object divided by the floor area of the floor area limit) of the candidate building object automatically designed by stacking the upper floors using this hierarchical block If it is smaller than the threshold (for example, 75%), it is considered that the site has not been used effectively yet, and sub-hierarchical blocks BLK30-T2, BLK30-T3, BLK30-T4, BLK30- Several candidate building objects are automatically constructed by adding T41, BLK30-T5, and BLK30-T6, respectively. For example, the sub-hierarchy blocks to be added are once stacked in the shape of the hierarchies, but some room units or corridor units on the north side or adjacent land side may be deleted in a staircase shape due to slanting restrictions etc. Many. That is, the floor area of the sub-hierarchical block decreases as the level goes up. It is preferable that the emergency stairs and the position of the elevator are designed automatically in consideration of the situation of the hierarchical block. The sub-hierarchical block to be added is automatically arranged so that the corridor of the sub-hierarchical block is connected to the corridor of the original hierarchical block. In this way, while changing the arrangement and growth direction of the sub-hierarchical blocks, several candidate objects are constructed (that is, the sub-hierarchical blocks are stacked vertically together with or independently of the hierarchical blocks), and their volume ratio The digestibility is compared, and the candidate object with the highest floor fraction digestibility is determined as the final building object. In this figure, the building object OBJ30-M composed of the hierarchical block BLK30-T1 and the sub-hierarchical block BLK30-T6, which has the highest volume ratio digestibility, is automatically selected. All the above processing is performed by automatic design. By this processing technique, it becomes possible to use the site more effectively by reducing the undigested volume ratio. An example of detailed processing logic will be described with reference to FIG. In FIG. 7, since the site is a corner lot connected to two roads, it is possible to receive a relaxation measure of 10 = 20% of the building coverage ratio. This system can automatically determine the application of the mitigation measures and perform automatic design with the building coverage ratio. In addition, entrance halls, elevator halls, open corridors, etc., in certain cases, their floor areas are not included in the calculation of the floor area ratio, but this system automatically determines whether these are included or not included. However, it is possible to automatically design based on that.

FIG. 8 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. This process is executed as an option after automatically generating candidate building objects once in the process of FIG. As shown in the figure, in step A11, it is determined whether the volume ratio digestion rate of the generated candidate building object is smaller than a predetermined threshold (for example, 70%) stored in the storage unit. If the digestibility is not smaller than the threshold value, it is considered that automatic design that fully utilizes the site has been completed, and the processing is finished. When the digestibility is lower than the threshold, it is considered that automatic design using the site sufficiently has not been made, and the process proceeds to Step A12. In step A12, a sub-hierarchical block connected to the hierarchical block included in the generated building object is added, the layers are stacked, and a candidate building object is generated. Next, in step A13, the volume ratio digestion rate of the candidate building object to which the sub-hierarchy block is added is calculated. In step A14, the candidate building object is stored in the storage unit. Next, in step A15, it is determined whether or not an executable change pattern remains. The number of patterns of the change pattern increases or decreases depending on, for example, the pitch of the sub-layer arrangement and the growth direction. Accordingly, by appropriately setting a numerical value such as 5 meters or 10 degrees, it is set as appropriate so that the process converges in a reasonable calculation time. Alternatively, it is reasonable to abort the processing at a predetermined time (for example, 3 minutes, 5 minutes). If it is determined that an executable change pattern remains, the connection position of the sub-hierarchy block to the existing hierarchical block or the growth direction of the sub-hierarchical block is changed in step A16. After step A16, the process returns to step A12, and A12-14 is repeated until the condition of step A15 is removed. Finally, when the determination condition of step A15 is not satisfied, the processing loop is exited, and in step A17, the candidate with the highest volume ratio digestibility is selected as the final building object. By this processing technique, it becomes possible to use the site more effectively by reducing the undigested volume ratio. Further, for the building object generated in this way, it is possible to calculate an approximate construction cost or calculate a balance (described in detail later). Furthermore, by storing candidate building objects that have not been finally adopted, it is possible to display candidate building objects for comparison later or to compare business balances according to user preferences. Is possible.

FIG. 9 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for site SITE30-S in contact with road RD30-S and road RD30-E, this system automatically designs hierarchical block BLK30-R1 based on given conditions (building type) Build in. The floor area percentage digestion rate of the candidate building object automatically designed by stacking the upper floors using this hierarchy block (the percentage when the total floor area of the object is divided by the total floor area of the floor area limit) If it is smaller than the threshold (for example, 75%), it is considered that the site has not yet been used effectively, and the location of the hierarchical block itself (for example, the growth start point) or the growth direction is changed, and the most digestible rate Search with high placement patterns and trial and error. Further, since the sub-hierarchy block is also added as shown in FIG. 7 while changing the arrangement pattern, there is a high possibility that a building object having a higher digestibility than FIG. 7 can be found (that is, automatic design). In this example, in addition to the hierarchical block 30-R1, a hierarchical block 30-R2 and a hierarchical block 30-R3 are constructed, and sub-hierarchical blocks BLK30-A1 to A6 are respectively added. In this example, if a volume ratio and a building coverage ratio are within the allowable range, it is also attempted to provide a plurality of sub-hierarchy blocks. In this embodiment, finally, the building object OBJ30-R composed of the hierarchical block BLK30-R1 and the sub-hierarchical blocks BLK30-A5 and A6 having the highest volume ratio digestibility is automatically selected. Other generated candidate objects and hierarchical block patterns are stored in the storage unit for later use. Some users may select other candidate building objects for reasons such as placement patterns and construction costs rather than digestibility, so it is possible to display these candidates and compare costs. is there. All the above processing is performed by automatic design. By this processing technique, it becomes possible to use the site more effectively by reducing the undigested volume ratio. Detailed processing logic will be described with reference to FIG.

FIG. 10 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. This process is executed as an option after automatically generating candidate building objects once in the process of FIG. As shown in the figure, in step B11, it is determined whether the volume ratio digestion rate of the generated candidate building object is smaller than a predetermined threshold value (for example, 70%) stored in the storage unit. If the digestibility is not smaller than the threshold value, it is considered that automatic design that fully utilizes the site has been completed, and the processing is finished. If the digestibility is lower than the threshold, it is considered that automatic design that fully utilizes the site has not been made, and the process proceeds to step B12. In Step B12, candidate building objects are generated by changing the generation start point and / or the generation direction. At this time, as long as the building coverage ratio and the floor area allow, one or a plurality of sub-hierarchy blocks connected to the generated hierarchy block are added, the layers are stacked, and candidate building objects are generated. Next, in step B13, the volume ratio digestibility of the candidate building object is calculated. In step B14, the candidate building object is stored in the storage unit. Next, in step B15, it is determined whether or not an executable change pattern remains. Alternatively, it is reasonable to abort the processing at a predetermined time (for example, 5 minutes). If it is determined that an executable change pattern remains, the process returns to step B12, and B12-14 is repeated until the condition of step B15 is not met. Finally, when the determination condition of step B15 is not satisfied, the processing loop is exited, and in step B16, the candidate with the highest volume ratio digestibility is selected as the final building object. By this processing technique, it becomes possible to use the site more effectively by reducing the undigested volume ratio. Further, for the building object generated in this way, it is possible to calculate an approximate construction cost or calculate a balance (described in detail later).

FIG. 11 is a flowchart showing a process executed in parallel with the process executed in the automatic CAD design system shown in FIG. As shown in the figure, in step K11, the storage unit has a distance from the entrance of the room unit to the escape stair unit through the passage unit (for example, within 30m, within 40m, within 50m at the semi-fire resistant hotel), or In addition, single provisional information including evacuation route setting information that prescribes the number of evacuation staircase units prescribed according to building conditions (two or more for hotels, two or more for apartments on the 5th floor or more, etc.) To do. Next, in step K12, the distance from the entrance of each room unit of the building automatically designed by the process of FIG. 2 to the evacuation stair unit (emergency stairs) that is the evacuation route is determined by the automatic design unit. At least one emergency stair unit is arranged in the building so as to satisfy the distance defined in (1) and / or to satisfy the number of evacuation stair units defined in accordance with the building conditions.

FIG. 12 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE 40 in contact with the road RD 40, the present system is based on given conditions (in this case, the building type), and includes a balcony and an individual unit UI 40 (room unit) as individual units. To extract. A balcony is arrange | positioned at the road side of a site, is extended from the edge part of the side to the other end part, and is arrange | positioned as balcony BLKN40. And individual unit UI40 is arrange | positioned at the edge part of the one side inside the site | part of the longitudinal direction of balcony BLKN40, and based on a predetermined automatic design rule (for example, repeating duplication of an individual unit in a site or a building space) Duplicated. Then, the corridor unit CLD40 is automatically arranged on the opposite side of the individual unit UI40, UI40-1, UI40-2, UI40-3, UI40-4 from the balcony side. Set the evacuation route from the entrance of each individual unit UI40, UI40-1, UI40-2, UI40-3, UI40-4 through the corridor CLD40 according to the corresponding rule of the group definition information, and from the individual unit information UI, the corresponding emergency Extract stair units. And the position and number of emergency staircases EMRS40 satisfying the standard of the evacuation route are automatically arranged so as to be connected to the corridor CLD40. In this way, the hierarchical block BLK40 is automatically designed. The hierarchical blocks BLK40 are stacked in the vertical direction, and are automatically designed within the limits of the building space or the volume ratio. Here, it is possible to draw a rough CAD drawing considering the emergency staircase (evacuation route) and dividing the room, and also to calculate the approximate cost by adding the unit price of each individual unit Is possible. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price. The number and location of emergency staircases and elevators is the top floor block that the elevators and emergency staircases directly access (if the building to be designed is a staircase structure due to diagonal restrictions, etc. Depending on the configuration of the object itself (which may not be the top floor of the object itself), it may be necessary to shift or increase or decrease the position of stairs or elevators. A final check is made to determine whether the position and number of evacuation stairs comply with legal regulations such as group regulations. If not, the position of elevators and evacuation stairs can be shifted or increased or decreased to comply. It has the function to do. Alternatively, after automatic design, only the blame stairs and elevators may be added and set by automatic design so that the system complies with laws and regulations such as group regulations applied to the site. The same applies to other embodiments.

FIG. 13 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE 50 that is in contact with the road RD 50, the present system extracts a balcony and an individual unit UI 50 as individual units based on given conditions (here, building type). A balcony is arrange | positioned at the road side of a site, is extended from the edge part of the side to the other end part, and is arrange | positioned as balcony BLKN50. And individual unit UI50 is arrange | positioned at the edge part of the one side inside the site | part of the longitudinal direction of balcony BLKN50, and based on a predetermined automatic design rule (For example, duplication of an individual unit is repeated in the site or a building space) Duplicated. The corridor unit CLD50 is automatically arranged on the side opposite to the balcony side of the individual units UI50, UI50-1, UI50-2, UI50-3, and UI50-4. Set the evacuation route from the entrance of each individual unit UI50, UI50-1, UI50-2, UI50-3, UI50-4 through the corridor CLD50 according to the corresponding rule of the group regulation information, and from the individual unit information UI, the corresponding emergency Extract stair units. And the position and number of emergency staircases EMRS50 satisfying the standard of the evacuation route are automatically arranged so as to be connected to the hallway CLD50. In this example, since the assumed floor is an elevator-required floor from information such as the floor area ratio and the commercial area, the elevator unit is extracted as an individual unit, and the elevator ELV 50 is automatically arranged to be connected to the corridor CLD 50 in the same manner. .

In this way, the hierarchical block BLK50 is automatically designed. The hierarchical blocks BLK50 are stacked in the vertical direction, and are automatically designed within the range of the building space or the volume ratio limit value. Here, it is possible to draw a rough CAD drawing considering the emergency staircase (evacuation route), installing an elevator, and dividing the room. It is also possible to determine the cost. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price. In this example, it is possible to obtain a highly reliable construction estimation cost considering an elevator, an emergency staircase, and the like. Although not shown, it is possible to build underground hierarchical blocks by automatic design. In that case, store the underground costs and special additional costs in the storage unit and calculate the approximate cost It is possible.

FIG. 14 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE 60 in contact with the road RD 60, the present system extracts a balcony and an individual unit UI 60 as individual units based on given conditions (here, building type). In this example, the site SITE 60 has a larger area than the conventional site, so that more individual units are arranged. A balcony is arrange | positioned at the road side of a site, is extended from the edge part of the side to the other end part, and is arrange | positioned as balcony BLKN60. And individual unit UI60 is arrange | positioned at the edge part of one side inside the site | part of the longitudinal direction of balcony BLKN60, and based on a predetermined automatic design rule (For example, duplication of an individual unit is repeated to the maximum in a site or a building space) , Replicated. The hallway unit CLD60 is disposed on the opposite side of the individual unit UI60, UI60-1, UI60-2, UI60-3, UI60-4, UI60-5, UI60-6, UI60-7, UI60-8 from the balcony side. Are automatically arranged. The evacuation routes from the entrances of the individual units UI60, UI60-1, UI60-2, UI60-3, UI60-3, UI60-4, UI60-5, UI60-6, UI60-7, UI60-8 through the corridor CLD60 Set according to the corresponding rule, and extract the corresponding emergency stair unit from the individual unit information UI. Then, two emergency staircases EMRS60 and EMRS60-1 which are positions and numbers satisfying the evacuation route standard are automatically arranged so as to be connected to the corridor CLD60. In this example, since the assumed floor is an elevator-required floor from information such as the floor area ratio and the commercial area, the elevator unit is extracted as an individual unit, and the elevator ELV 60 is automatically arranged to be connected to the corridor CLD 60 in the same manner. .

In this way, the hierarchical block BLK60 is automatically designed. The hierarchical blocks BLK60 are stacked in the vertical direction, and are automatically designed within the limits of the building space or the volume ratio. Here, it is possible to draw a rough CAD drawing considering the emergency staircase (evacuation route), installing an elevator, and dividing the room. It is also possible to determine the cost. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price. In this example, it is possible to obtain a highly reliable construction estimation cost considering an elevator, an emergency staircase, and the like.

This system extracts individual units based on given conditions (in this case, building type). For this, the designation of the room type is most suitable. For example, 1K (one kitchen between 66 tatami mats), 2K, etc. Alternatively, the frontage 8m, the frontage 6m, and the depth 10m may be specified. Furthermore, it is possible to specify types such as unit bath type, kitchen type, corridor, western-style room, and Japanese-style room. This system can automatically design buildings according to the above conditions.

FIG. 15 is a schematic diagram for explaining planar growth of individual units. As shown in the figure, for the site SITE 70 that is in contact with the road RD 70, the present system extracts a balcony and an individual unit UI 70 as individual units based on given conditions (here, building type). In this example, the site SITE 70 has a large site area in the same manner as in FIG. 7, and thus more individual units are arranged. A balcony is arrange | positioned at the road side of a site, is extended from the edge part of the side to the other end part, and is arrange | positioned as balcony BLKN70. In this example, since the left side of the drawing is a tangential surface, a balcony is arranged on this surface, but this system can automatically arrange balconies (openings) according to the tangential surface in this way. is there. And individual unit UI70 is arrange | positioned at the edge part of one side inside the site | part of the longitudinal direction of balcony BLKN70, and based on a predetermined automatic design rule (For example, duplication of an individual unit is repeated to the maximum in a site or a building space) , Replicated. The corridor unit CLD70 is automatically arranged on the opposite side of the individual unit UI70, UI70-1, UI70-2, UI70-3, UI70-4, UI70-5, UI70-6, UI70-7 from the balcony side. The The individual unit UI70, UI70-1, UI70-2, UI70-3, UI70-4, UI70-5, UI70-6, UI70-7, the evacuation route through the corridor CLD70 according to the corresponding rule of the group provision information Set and extract the corresponding emergency stair unit from the individual unit information UI. Then, the two emergency staircases EMRS70 and EMRS70-1 that meet the evacuation route criteria and the number are automatically arranged so as to be connected to the corridor CLD70. In this example, since the assumed floor is an elevator-required floor from information such as the floor area ratio and the commercial area, the elevator unit is extracted as an individual unit, and the elevator ELV 70 is automatically arranged to be connected to the corridor CLD 70 in the same manner. . That is, in this system, it is possible to automatically determine whether or not an elevator installation is necessary based on laws and regulations, and to implement automatic design reflecting that.

In this example, the entrance hall ENT70 is further extracted as an individual unit and arranged on the road surface. Corridor CLD 70-1 connecting entrance hall ENT70 and corridor CLD 70 is also extracted and arranged.

In this way, the hierarchical block BLK 70 is automatically designed. If this hierarchical block BLK70 is grown as it is, entrance halls will be arranged on the second and third floors, which is inconvenient. In view of this, the present system can automatically obtain a hierarchical block on the first floor and a hierarchical block on the second floor or later or an underground hierarchical block separately.

FIG. 16 is a schematic diagram for explaining the hierarchical block on the first floor and the hierarchical block on the second floor. As shown in the figure, the hierarchical block BLK 70 is the same as FIG. The hierarchical block BLK71 is obtained by replacing the entrance hall ENT70 and the hallway CLD70-1 that are not required on the second floor and higher floors with the balcony BLKN71 and the individual unit UI71, respectively, by the automatic design unit AUD. The automatic design unit AUD stacks the hierarchical blocks BLK71 in the vertical direction in the 3rd and 4th floors, and automatically designs them within the range of the limit of the building space or the volume ratio. As described above, in the present system, it is possible to perform automatic design separately on the first floor and the second and subsequent floors, so that it is possible to perform automatic design with higher accuracy. Of course, although not shown, the underground level can be automatically constructed using the same technique. Therefore, in this example, it is possible to obtain a construction estimation cost with considerably high reliability in consideration of the difference in the structure of each floor.

FIG. 17 is a schematic diagram for explaining a hierarchical block (store) on the first floor and a hierarchical block on the second floor. FIG. 17 illustrates a state in which an automatic design is performed when a condition for providing a store on the first floor is designated as a building type on the same site as FIG. 16. The hierarchical block BKL71-S of the second and higher floors in FIG. 17 is the same as the hierarchical block BKL71 that is that of FIG. In the hierarchical block on the first floor, store units are extracted as individual units according to conditions, and are automatically arranged as store units SHP1, 2, and 3. The extraction and arrangement of the entrance and hallway units are the same as in FIG. That is, the hierarchical block BLK71-S is obtained by replacing the entrance hall ENT70 and the corridor CLD70-1 that are not required on the second floor and higher floors with the balcony BLKN71 and the individual unit UI71, respectively, by the automatic design unit AUD. is there. The automatic design unit AUD stacks the hierarchical blocks BLK71-S in the vertical direction in the third and fourth floors, and automatically designs them within the range of the limit of the building space or the floor area ratio. As described above, in the present system, since the first floor can be automatically designed separately for the store and the second and subsequent floors, more accurate automatic design can be performed. Alternatively, the 1-2 floor, the basement and the first floor, and the basement and the first and second floors can be automatically designed freely as a store. Therefore, in this example, it is possible to obtain a highly reliable construction estimation cost that takes into account the difference in the structure of each floor with a store on the first floor, which is a typical apartment form particularly in urban areas. .

FIG. 18 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. The inventors of the present application automatically design a building with a larger total floor area by efficiently using the floor area ratio of the same site when an automatic design method is selected according to the size of the site area when actually designing automatically. Found that it is possible to do. First, as a premise, the storage unit 120 includes individual units such as a central corridor unit (for example, dimension information of the central corridor) and a room unit (for example, an individual residence such as 1K, 2LDK, and 3LDK, Totsubo office, 20 Tsubo office, etc.), balcony units (e.g., balcony dimension information), and room units (e.g., individual residences such as 1K, 2LDK, 3LDK, Totsubo office, 20 tsubo office, etc.). Then, as shown in the figure, in step S21, the automatic design unit AUD determines whether the area of the site specified by the site information is smaller than a threshold (a predetermined numerical value stored in the storage unit, for example, 300 square meters). Determine whether or not. When the determination condition of step S21 is satisfied, in step S22, the automatic design unit AUD creates a building outer peripheral shape based on the shape of the site (or space where the building can exist), and calculates the planar center of gravity of the building. Ask. Next, in step S23, the central corridor unit is arranged so as to pass through the center of gravity, and the individual unit (room unit) serving as an individual residence or office is arranged along at least a part of both sides in the longitudinal direction of the central corridor unit. Arrange sequentially and automatically design buildings. If the determination condition in step S21 is not satisfied, in step S24, the automatic design unit AUD normally performs automatic design processing as shown in FIG. That is, when the area of the site stipulated by the site information is equal to or greater than a predetermined value, a balcony unit is arranged along at least one side of the site (preferably a side of a roadway or a side facing south), The building unit is automatically designed by sequentially arranging the room units along at least a part of one side inside the site in the longitudinal direction of the balcony unit.

FIG. 19 is a schematic diagram for explaining planar growth of individual units by the process when it is determined that the site area is small in the process of FIG. As shown in the figure, for the site SITE 80, the process of FIG. 18 proceeds to step S22 and subsequent processes. In this system, first, a corridor unit INCLD80 passing through the center of gravity is set. Based on the given conditions (building type), the individual unit UI80, which is a room unit with an attribute of being able to grow (duplicatable or connectable), is extracted as an individual unit as an individual unit. To do. Based on the individual unit UI80, the individual unit UI80-N is arranged at the end of one side in the longitudinal direction of the inner corridor unit INCLD80, and the predetermined automatic design rule (for example, maximizing the duplication of the individual unit in the site or the building space) Duplicated according to the number of repetitions). The individual unit UI80-N1 and the corridor units INCLD80-N2 to N7 are arranged by automatic design. Similarly, based on the individual unit UI80, the individual unit UI80-S is arranged at the end of one side in the longitudinal direction (lower side of the drawing) of the inner corridor unit INCLD80, and a predetermined automatic design rule (for example, site or construction is possible) And so on. The individual units UI80-S1 and the corridor units INCLD80-S2 to S7 are arranged by automatic design. In this way, the hierarchical block BLK80 is automatically designed. The hierarchical blocks BLK80 are stacked in the vertical direction, and are automatically designed within the range of the limit value of the building space or the volume ratio. In this example, emergency staircases (evacuation routes), elevators, machine rooms, etc. are not taken into consideration, but it is possible to draw a rough CAD drawing with room allocation, and to calculate the unit price of each individual unit It is also possible to obtain an approximate cost. Of course, it is possible to estimate the total number of floors of the building and estimate it by unit price. An apartment or office with a large total floor area that is more efficient than the usual automatic design (single corridor type) on the so-called narrow site where a central corridor unit like this processing is arranged. Buildings, condominiums, etc. can be designed automatically. By the way, the present inventors have confirmed that the profitability is increased, that is, the business feasibility (business profitability) is increased in the balance simulation of the building when automatically designed by this method. .

FIG. 20 is a schematic diagram for explaining planar growth of individual units by another logic that efficiently and automatically designs when the site area is small. As shown in the figure, for the site SITE 80-M, first, the center of gravity of the site (or the contour of the assumed building may be obtained and the center of gravity may be obtained). A central corridor CTR is installed at the center of gravity. Then, based on the given conditions (building type), the individual units UI80-FX1 that are extendable and connectable to be a single office or residence are extracted as individual units. The individual units UI80-FX1-3 are arranged on each side of the central corridor CTR, and the individual units are extended to the full building space. The elevator EV and emergency staircase STP are extracted and arranged in the central corridor CTR. In this way, the hierarchical block 80-M can be automatically designed. Incidentally, the present inventors have confirmed that this processing logic functions very efficiently in a small area in an urban area and efficiently digests the floor area ratio.

FIG. 21 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. According to the Japanese city plan, if the area of use is a residential area when the road is less than 12m depending on the roadway conditions, the actual floor area ratio is calculated by multiplying the floor area ratio reduction coefficient and the road width. It is reduced to a value lower than the value of. In this example, a state will be described in which different buildings are automatically designed according to the contact condition even if the site has the same site area and site shape. As shown in the figure, the present system acquires site information indicating the site SITE 90-W and the site SITE 90-N that have the same site shape and site area but are in contact with roads with different conditions. From the group definition information GRI in the storage unit, “volume ratio: 400%”, “building coverage ratio: 80%”, and “volume ratio reduction coefficient: not applicable” are extracted as the group definition information corresponding to the site SITE90-W. The site SITE90-W is connected to the wide road RD90-W with a road width of 12 m, so there is no application of the floor area ratio reduction factor by city planning. Therefore, the real volume ratio is 400%, which is a numerical value as it is.

Similarly, “volume ratio: 400%”, “building coverage ratio: 80%”, and “floor ratio reduction coefficient: 0.4” are extracted as group definition information corresponding to the site SITE90-N from the group definition information GRI in the storage unit. Is done. Since the site SITE90-N is connected to a narrow road RD90-N with a road width of 4 m, a floor area ratio reduction factor of 0.4 based on city planning is applied. Therefore, the real volume ratio is a numerical value of the front road width 4 m × the coefficient 0.4 = 200% that is close to the road. The present system can automatically obtain the real floor area ratio based on the geographical information, the housing display, or the lot number included in the site information, and can perform automatic design using this. As described above, since many local governments are obligated to apply the floor area ratio reduction factor, it is not possible to automatically calculate the actual floor area ratio and apply it to automatic design as in this system. It is very important to consider sex.

For the site SITE90-W and site SITE90-N, the building OBJ90-W and the building OBJ90-N are required by automatic design, respectively, depending on the difference in the applicable group regulations. In this example, a four-story building OBJ90-W is automatically constructed on the site SITE90-W that touches a wide road by automatic design, and a two-story building on the site SITE90-N that touches a narrow road. OBJ90-N is automatically constructed. It is possible to determine the final business success possibility by calculating the construction cost of each building automatically designed in this way. Therefore, according to this system, it is possible to compare and examine projects for a plurality of sites.

FIG. 22 is a schematic diagram showing an outline of processing executed by the automatic CAD design system shown in FIG. According to the Japanese city plan, the use area is divided according to the area, and a significantly different floor area ratio is set depending on the conditions of the commercial district and the residential district. In this example, a state will be described in which different buildings are automatically designed according to the conditions of the use area and the access road conditions even if the sites have the same site area and site shape. As shown in the figure, this system acquires site information indicating the site SITE 100-L and the site SITE 100-C of the districts that are in the same site shape and site area but are in contact with roads with different conditions and have different uses. From the group provision information GRI in the storage unit, “floor ratio: 400%”, “building ratio: 80%”, and “floor ratio reduction coefficient: 0.4” are extracted as group provision information corresponding to the site SITE100-L in the residential area. Is done. Since this district is a residential district, the floor area ratio is set to the lower 400%. Since the site SITE1000-W is connected to the road RD100-L with a road width of 8 m, there is an application of the floor area ratio reduction factor by city planning. The real volume ratio is a numerical value of the width of the front road 8 m × the coefficient 0.4 = 320%.

Similarly, from the group definition information GRI of the storage unit, as the group definition information corresponding to the site SITE100-C in the commercial district, “floor ratio: 800%”, “building coverage ratio: 80%”, “floor ratio reduction coefficient: 0.6 Is extracted. Since the site SITE100-C is connected to a narrow road RD100-C with a road width of 5 m, a floor area ratio reduction factor of 0.6 according to the city plan is applied. Therefore, the real volume ratio is a numerical value of the width of the front road 8 m × the coefficient 0.6 = 480%. The present system can automatically obtain the real floor area ratio based on the geographical information, the housing display, or the lot number included in the site information, and can perform automatic design using this.

In the site SITE100-L and site SITE100-C, the building OBJ100-L and the building OBJ100-C are required by automatic design, respectively, depending on the difference in the applicable group regulations. In this example, a three-story building OBJ100-L is automatically built on the site SITE100-L in the residential area in contact with a wide road by automatic design, and the site SITE100-C in a commercial area in contact with a narrow road. The five-story building OBJ100-C is automatically constructed. It is possible to determine the final business success possibility by calculating the construction cost of each building automatically designed in this way. Therefore, according to this system, it is possible to compare and examine projects for a plurality of sites. In this way, this system was originally a final building that was difficult to grasp unless architects or design engineers designed it in consideration of site conditions, roadway conditions, ordinances, laws and regulations. Can be automatically designed.

FIG. 23 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. In this example, as the building type information, a default value (for example, 2LDK type) stored in the storage unit is used. As shown in the figure, in step S31, the acquisition unit ACQ acquires site information that defines the site. Next, in step S32, group definition information and individual unit information including at least the volume ratio are stored. This storage step can be omitted if it is performed once in advance. In step S33, based on the acquired site information, the extraction unit EXT extracts group definition information applied to the site specified by the site information. In addition, a 2LDK type individual unit is extracted as building type information corresponding to the default value and used in subsequent processing. Thereafter, in step S34, referring to the extracted group definition information, a hierarchical block of the first floor portion including a plurality of individual units on the site is automatically designed. Finally, in step S35, based on the acquired site information, with reference to the extracted group definition information (building ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.), within the restrictions of the group provision information The building is automatically designed by stacking hierarchical blocks including a plurality of individual units.

FIG. 24 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. In this example, group input information used by the user is used. As shown in the figure, in step S41, the acquisition unit ACQ determines the site information that prescribes the site, the building type information (information on the building, front door, office type, housing type, 2LDK, etc. , With bath, with unit bath, toilet type, etc.) and group specified information specified by the user. Next, individual unit information is stored in step S42. This storage step can be omitted if it is performed once in advance. In step S43, the extraction unit EXT (or the automatic design unit AUD) extracts the corresponding individual unit information from the individual units stored in the storage unit based on the acquired building type information. Thereafter, in step S44, referring to the acquired group definition information, a hierarchical block of the first floor portion including a plurality of individual units on the site is automatically designed. Finally, in step S35, based on the acquired site information, the group definition information obtained (designated) with reference to the group definition information (building ratio, floor area ratio, oblique line regulation, height restriction, shadow regulation, etc.) Within the limits, hierarchical blocks including a plurality of individual units are stacked to automatically design a building. There are various ways to accommodate a building within the limits of group stipulation information. For example, the building-definable space is obtained from the group regulation information and automatically designed to be accommodated therein, or after the automatic design, the individual unit corresponding to the portion protruding from the building-able space is deleted. Alternatively, if there is no oblique line regulation in a commercial district, automatic design may be performed up to the limits of the building coverage ratio and the floor area ratio.

FIG. 25 is a block diagram showing an outline of an automatic CAD design system according to an embodiment of the present invention. As shown in the figure, the automatic CAD design system 200 (ACDS) includes a control unit (CPU, processor) 210, a storage unit 220, an input unit IN, an output unit OUT, a communication unit COM, and a display unit DIS. The control unit 210 includes site information that defines the site (area, shape, direction, roadway status, corner information, geographical information, etc.), and building type information (for example, one-room apartment type, 1K type, 2LDK type, Office type, hall type, store type, hotel type, composite type including a plurality of the above types, etc.). The storage unit 220 includes group definition information GRI including at least a floor area ratio, and individual unit information UI (eg, 1K, 2LDK, meeting room, office) that defines at least one individual unit associated with each building type information. , Reception rooms, machine rooms, elevators, elevator rooms, sewage units, parking equipment units, bicycle parking facility units, staircases, roofs, rooftops, floors, foundations and other unit types).

The control unit 210 further includes an extraction unit EXT, a space calculation unit SPC, and an automatic design unit AUD. Based on the acquired site information, the extraction unit EXT extracts group specification information applied to the site specified by the site information. Based on the acquired site information, the space calculation unit SPC refers to the extracted group provision information (building coverage ratio, floor area ratio, oblique line regulation, height restriction, shadow restriction, etc.) of building that can be built on the site. Find possible space. Based on the acquired building type information, the automatic design unit AUD automatically designs a building including a plurality of individual units in the possible existence space with reference to at least a part of the extracted group definition information.

The acquisition unit ACQ receives geographical information (for example, from a geographical information server GIS that provides geographical information based on a geographical search key such as an address, latitude / longitude, and region name via the communication unit COM and the network NET. (Including site shape, roadway information, or adjacent site information), and the acquired geographical information can be stored in the storage unit 220, or the stored information can be updated. In addition, the acquisition unit ACQ acquires the latest group definition information, single unit information, and the like from the building restriction information server CLS via the communication unit COM and the network NET, and uses them for the extraction processing of the extraction unit EXT, or stores them. It is possible to update the information of the unit 220.

In this embodiment, the control unit 210 further includes an estimate calculation unit EST. In addition, the storage unit 220 includes unit unit price information for each individual unit specified in the individual unit information and building unit price information (basic unit price information for basic construction, three-story basic unit price information, and five-story unit price. Unit price information UP including information etc. is further stored. The estimate calculation unit EST calculates the construction cost of the building based on the individual unit included in the building that is automatically designed in the existing space for the building including a plurality of individual units.

Further, the storage unit 220 further stores architectural grade information GI that defines a plurality of architectural grades having different costs. The unit price information UP further stores unit unit price information for each individual unit specified for each building grade and building unit price information. The input unit (input receiving unit) IN receives an input of one building grade selected from a plurality of building grades via the mouse MUS and the keyboard KBD. Several architectural grades are several candidates read from the grade information GI (for example, high-grade construction, normal construction, low cost version, exterior tile finish, RC structure, steel structure, foundation pile seismic strengthening version, insulation material strengthening version Are displayed on the display unit DIS, and at least one building grade is selected by the user from these candidate grades. The estimate calculation unit EST calculates the building cost of the building with reference to the unit price information UP based on the individual unit included in the building automatically designed based on the received building grade input.

Further, the unit price information UP of the storage unit 220 further includes rental standard unit price information for each individual unit and / or for each region specified in the individual unit information. Furthermore, the rental standard unit price information includes the vacancy rate for each region, the vacancy rate for each room type (ie, for each individual unit), the vacancy rate for each region and for each room type (ie, 2K for A district) The room type includes vacancy rate information that stipulates the vacancy rate 20%, the vacancy rate 7% for the 10 tsubos office type in the B area, etc. Further, at least a part of the area or address is acquired, and the estimate calculation unit EST obtains at least one of the individual units included in the building based on the calculated construction cost, the acquired down payment and the loan interest rate, Calculate a time-series balance plan when renting at the rent specified by the rental standard unit price information obtained based on at least a part of the acquired area or address (and finally outputting as a balance sheet). , Vacancy rate information mentioned above By using the et al., It is possible to calculate the high income and expenditure plan of accuracy than in consideration of the vacancy rates by region and room type.

The storage unit 220 further stores feasibility rule information FRI that defines a feasibility rule for evaluating the business profitability of a rental business based on a revenue and expenditure plan. Feasibility rules include, for example, numerical values, evaluation indices, evaluation points, evaluation grades, evaluation indices and evaluation point indices for the ratio of loan amount to construction cost, loan interest rate, investment efficiency (ratio of return on investment), etc. This is a set of numerical evaluation values for business feasibility. Then, the estimate calculation unit EST evaluates the business profitability of the balance plan calculated based on the feasibility rule information FRI. For example, if the evaluation points are 70 points for the ratio of loan amount to construction cost, loan interest rate, investment efficiency (ratio of return on investment), etc., the probability of business success is 80% (the risk of business failure is 20%) Risk assessment in the form of).

Further, the storage unit 220 further stores a plurality of patterned CAD information PCI for the first floor of a building including a plurality of individual units. The input unit IN receives designation of one piece of patterned CAD information selected from the plurality of pieces of patterned CAD information PCI, and the automatic design unit AUD receives at least one of the group definition information extracted based on the received patterned CAD information. With reference to the section, a hierarchy including at least a part of the patterned CAD information is sequentially stacked to automatically design a building in the existence space. Alternatively, the automatic design unit AUD inspects whether the building is accommodated in the space where the building can exist after building the building by sequentially stacking the hierarchy up to the limit of the floor area, and if there is an overhanging part, It is also possible to automatically design by deleting individual units corresponding to the part.

Since the building automatically designed by this system is 3D CAD data, it can be output to the 3D printer 3DP and molded as a 3D model. When the three-dimensional CAD data of the building is full color, it is possible to obtain a full color three-dimensional model with the three-dimensional printer 3DP.

FIG. 26 is a flowchart showing an example of processing executed by the automatic CAD design system shown in FIG. In this example, the estimate of the building automatically designed by this system is calculated. As shown in the figure, in step S51, the storage unit 220 has unit unit price information for each individual unit specified in the individual unit information and building unit price information (basic unit price information for basic construction, three-story basic unit price. Unit price information UP including information, 5-story unit price information, etc.) is further stored. Next, in step S52, the estimate calculation unit EST calculates the building cost of the building based on the individual unit included in the building that is automatically designed in the existing space for the building including a plurality of individual units. To do. In addition, it is preferable to include various expenses such as a building construction cost of the building, an accompanying equipment construction cost, and a common cost in the construction cost.

Further, the storage unit 220 further stores architectural grade information GI that defines a plurality of architectural grades having different costs. The unit price information UP further stores unit unit price information for each individual unit specified for each building grade and building unit price information. The input unit (input receiving unit) IN receives an input of one building grade selected from a plurality of building grades via the mouse MUS and the keyboard KBD. Several architectural grades are several candidates read from the grade information GI (for example, high-grade construction, normal construction, low cost version, exterior tile finish, RC structure, steel structure, foundation pile seismic strengthening version, insulation material strengthening version Are displayed on the display unit DIS, and at least one building grade is selected by the user from these candidate grades. The estimate calculation unit EST calculates the building cost of the building with reference to the unit price information UP based on the individual unit included in the building automatically designed based on the received building grade input. Based on the selected building grade, the building may be automatically redesigned in the form of replacing, adding, or deleting individual units corresponding to the building grade, but only the building cost may be recalculated.

FIG. 27 is an explanatory diagram showing a plurality of patterned CAD information PCI for the first floor of a building including a plurality of individual units. As shown in the figure, a staircase type template TP1 including a staircase STR, a one-way corridor type template TP2, a middle corridor type template TP3, a twin doll type template TP4, a core type (central staircase type) template TP5, A void type (central open space type) template TP6 and the like are included. The user selects a template suitable for the site shape and conditions from these templates, and manually places it on the site on the 3D CAD drawing, or performs automatic placement by the system. After that, this system automatically checks the stacking, layering ratio, building ratio such as occupancy ratio, etc., single rules such as evacuation routes, etc., and automatically deletes warnings or parts of CAD objects that violate the rules automatically. Automatic design to meet the regulations by reducing the size, manual editing by the user, and subsequent processing such as approximate cost estimation. That is, by using such a template, it is possible to allow the user to select only the first layer and execute a partial automatic design process that is performed on the system side after that. For convenience of drawing, a balcony or the like is not shown, but it is preferable to include CAD data (objects) such as a balcony, an entrance in a living room, a fitting, a unit bath, a toilet, and a kitchen in a template.

FIG. 28 is an explanatory diagram for explaining that a building is automatically designed according to given information and conditions. As shown in the figure, on the site SITE 200, a block for one layer, BLK 200, selected from a template or automatically designed from various conditions is arranged. The building OBJ200-1 is constructed by automatic design of the block BLK200, the block BLK200-2, and the block BLK200-3 and the three-story building within the range of the building space PV-a. On the other hand, the building OBJ200 is a three-story building in which the north side of the block is cut out with a slanted line NTL in the range of the building space PV-b cut out with a slanted line NTL with respect to the north side adjacent land NN. It is a thing. As described above, the present system can automatically construct a building suitable for the site according to the given site conditions.

FIG. 29 is an explanatory diagram for explaining that a building including an accompanying facility is automatically designed according to given information and conditions. As shown in the figure, on the site SITE 210, a block for one layer selected from a template or automatically designed from various conditions such as site information, selected building type and group definition information, BLK 210 is arranged. The building OBJ 210 is a three-story building constructed by automatic design by building up blocks in the range of the building space PV-c. In this embodiment, accompanying facilities are also added by automatic design. That is, the automatic design unit AUD of this system automatically arranges the multistory parking lot PK210 and the bicycle parking facility PK210-C in an empty area where no buildings are installed in the site SITE210. By the way, local governments, etc. may require the installation of a predetermined number of parking lots and bicycle parking facilities according to the conditions as a group rule, and this system uses individual storage stored in the storage unit according to such rules. It is possible to automatically design a building OBJ210-1 that complies with the group regulations by extracting appropriate ones from the three-dimensional parking lot unit and the bicycle parking unit, and automatically arranging them in the vacant area in the site. . In addition, when installing certain parking lots or bicycle parking lots, there are cases where there is a reduction in floor area ratio or a reduction in occupancy ratio, but this system can perform automatic design that applies such relaxation laws. Although not shown, it is preferable for bicycle parking facilities and parking lots to extract the passage unit in the site for access to the road from the individual unit, and further arrange the paved passage unit that is simply paved in the site. . The individual units of such ancillary facilities include various types such as sewage treatment facilities, water supply facilities (pumps, tanks, etc.), distribution rooms, electrical rooms, disaster prevention facilities, elevator rooms, and machine rooms.

FIG. 30 is a schematic diagram for explaining a process of enlarging the building object (individual unit) or increasing the thickness in order to check whether the regulations such as the oblique line regulation, the building coverage ratio, the setback, and the height restriction are cleared. . First, a building object OBJ230-1 that can be accommodated in a buildable space PV-a set in the site SITE230-1 is required by automatic design. Here, although depending on the CAD object, in the case of an individual unit or a building object defined by the wall core, the size is smaller than the actual building by the wall thickness. In such a case, there is a risk of spilling out of the actual building space in violation of regulations such as oblique line regulation, building coverage ratio, setback, and height restriction. In this system, even for a CAD object defined by such a wall core, as shown in FIG. 30, the building object OBJ230-1 is equivalent to the wall thickness (for example, the outer wall is 30 mm and the roof portion is 50 mm). Etc. can be arbitrarily set according to the type of building, grade, type of individual unit, etc.) to make it a building object OBJ230-2. It is possible to accurately check whether the building space PV-a is entered or not protruding. Or, by adding the slice layer object OBJ230-SL corresponding to the wall thickness only to the outer part of the building object OBJ230-1, to make the building object OBJ230-3, the diagonal line regulation etc. are cleared? It is possible to accurately check whether or not.

FIG. 31 is a schematic diagram showing a state in which piles are automatically designed on the virtual support layer according to the ground survey. In heavy buildings such as reinforced concrete and steel frames on the third floor or higher, it is desirable to hit a pile against a support layer of 5 meters or more with an N value of 50 or more. This system can construct such pile objects by automatic design and calculate the construction cost including the construction cost. As shown in the figure, the building object OBJ 240 that can be accommodated in the building space PV-c set in the site SITE 240 is required by automatic design. Here, the present system automatically determines whether or not the building requires a pile on the support layer, based on the weight of the building object OBJ240, the structure type, and the like. For example, the weight xx tons or more, or the reinforced concrete 3rd floor or more is determined based on the criteria that a pile is necessary. If it is determined that stakeout to the support layer is necessary, the ground data of the relevant area or neighboring area is searched from the site information with an external server or storage unit, and the corresponding ground data (or bowling data) is acquired. To do. Then, as shown in the figure, based on the ground data, a virtual support layer SPT 240 is constructed at the lower part of the site (that is, the lower part of the building object). The virtual support layer preferably has a thickness of 5 meters or more and an N value of 50 or more. This system automatically designs the pile PIN 240 that supports the building object OBJ 240 to be driven into the virtual support layer SPT 240 based on a predetermined standard (pile pitch, every other meter, etc.). The construction cost of such piles may account for 20% to 20% of the total construction cost, so it is possible to include the necessary pile cost in the total construction cost when the building on the site is built Is very important. In order to improve the earthquake resistance, it is also possible to narrow the pile pitch, thicken the pile, or change the material to one having high strength.

FIG. 32 is a flowchart showing an example of processing executed in the automatic CAD design system. Pile work is not necessary when the need for piles is scarce in a light building such as a wooden house, but in the case of heavy buildings such as reinforced concrete such as the 8th floor, it has a certain level of support. Pile work on the strata is essential and the construction cost is high. This system can automatically design such pile driving costs corresponding to the ground of the site and the building. As shown in the figure, in step S61, the acquisition unit ACQ acquires corresponding ground data from an external server or storage unit based on site information (geographic information such as an address) that defines the site. In step S62, a virtual support layer is set at the lower part of the site based on the corresponding ground data and boring data. For example, when the support layer is 10 meters underground in the neighborhood, the virtual support layer is set to 10 meters underground. The virtual support layer has higher reliability as the acquired ground data is closer. In step S63, a pile (individual unit) necessary to support the building with the virtual support layer is obtained, and the obtained pile is added as an appendage of the CAD object of the building. The required number of piles, pile pitch, pile thickness, etc. are stored in a predetermined standard (stored in the storage unit) based on factors such as the expected earthquake resistance and the weight and structure of building objects obtained by automatic design. ) Automatically. Finally, in step S64, the construction cost of the building is calculated based on the individual unit including the “pile” included in the automatically designed building. For example, there is a table of pile length (such as the length of 3m embedded in the support layer from the building), unit price per pile length, construction unit price per pile length, construction unit price per pile length, etc. For example, based on the number and length of piles obtained by automatic design (in some cases, grades and materials of piles), it is possible to estimate considerably accurate pile construction costs by referring to these tables.

In addition, according to this system, it is possible to automatically design a building that fits in a building space from the input of the site, obtain an approximate cost, and generate a balance plan and a business plan.

In addition, according to this system, building blocks (blocks for one layer) are automatically generated by entering site information by tracing an electronic map and then determining a residence type (building type information). Is possible. For example, a planned site map is obtained by tracing (designating) a desired area of an electronic map. This planned site map becomes the input data to this system. When a residential type such as a studio type or family type is specified using this planned site map as site information, this system automatically creates building blocks, reveals the approximate floor area, number of houses, etc. A rough estimate is made.

That is, according to this system, site information is input by tracing an electronic map, and then a building block (block for one layer) is automatically generated by determining a residence type (building type information). Is possible. When the site is spread over different use areas, the floor area ratio and the building coverage ratio are different within the site. Even in such a case, the present system can automatically generate a building corresponding to a volume ratio and a building coverage ratio which are different group regulations for one building.

FIG. 33 is a schematic diagram for explaining the screen interface of this system. As shown in the figure, according to this system, building blocks (blocks for one layer) are automatically generated by designating a residence type as various conditions, and a building is automatically designed by stacking them. It is possible.

34 and 35 are schematic diagrams for explaining the screen interface of this system. As shown in the figure, according to this system, a building is designated by specifying a patterned building type (building template), placing it on the site, and stacking it as building blocks (blocks for one layer). Automatic design is possible.

FIG. 36 is a schematic diagram for explaining the screen interface of this system. As shown in the figure, this system can edit a building constructed by automatic design. By editing, it is possible to effectively utilize the undigested volume ratio or increase the floor height until the height restriction allows.

FIG. 37 is a schematic diagram for explaining the screen interface of this system. As shown in the figure, according to the present system, it is possible to generate a business plan including an estimated cost estimate for an automatically designed building, a loan plan, a budget plan, a rental plan, and a balance plan. In the rental plan, it is possible to extract the rental income corresponding to the property, the grade, and the floor plan from the address of the site information and use the rental income data.

Although the present invention has been described based on the drawings and examples, it should be noted that those skilled in the art can easily make various changes and modifications based on the present disclosure. Therefore, it should be noted that these variations and modifications are included in the scope of the present invention. For example, the processes and functions included in each unit and each step can be rearranged so as not to be logically contradictory, and a plurality of means / units and steps may be combined or divided into one. Is possible. Alternatively, it should be noted that some components, functions, processes, steps, etc. of the apparatus, method, program, etc. according to the present invention can be located in a remote server or the like. In addition, it should be noted that some of the presented drawings are inaccurate in terms of vertical and horizontal dimensions and perspective view angles for the convenience of drawing.

Claims

An automatic CAD design system,
An acquisition unit that acquires site information defining the site and building type information;
A storage unit that stores group definition information including at least a floor area ratio, and individual unit information that defines at least one individual unit associated with each building type information;
Based on the acquired site information, an extraction unit that extracts group specification information applied to the site specified by the site information;
Based on the acquired site information, referring to the extracted group provision information, a space calculation unit for obtaining a possible space of a building that can be built on the site, and
Based on the acquired building type information, referring to at least a part of the extracted group definition information, an automatic design unit that automatically designs a building including a plurality of individual units in the existing space,
An automatic CAD design system characterized by comprising:
The automatic CAD design system according to claim 1,
The site information includes geographical information of the site and / or road access information of the site,
The extraction unit is
Based on the acquired geographical information of the site and / or site information including the road access information of the site, the group specification information applied to the site specified by the site information is extracted.
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The individual unit is
A central corridor unit and a room unit including at least one room,
The automatic design unit
When the area of the site specified by the site information is less than a predetermined value,
A building outer peripheral shape is created based on the shape of the site, a planar center of gravity of the building is obtained, the central corridor unit is disposed so as to pass through the center of gravity, and the room unit is disposed on both sides in the longitudinal direction of the central corridor unit. Automatically design buildings by sequentially arranging them along at least a part of
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The individual unit is
Including a balcony unit and a room unit,
The automatic design unit
When the area of the site stipulated by the site information is equal to or greater than a predetermined value, the balcony unit is arranged along at least one side of the site, and the room unit is placed on one side inside the site in the longitudinal direction of the balcony unit. Automatically design buildings by sequentially arranging them along at least a part
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The acquisition unit
Based on the geographical information of the site specified in the site information, further obtaining group specification information applied to the site from an external server,
The extraction unit is
Extracting the acquired group definition information as group definition information applied to the site;
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The individual unit is
An evacuation staircase unit, a room unit including at least one room and an entrance, and a passage unit connecting the entrance of the room unit and the entrance of another room unit,
The storage unit
It further stores single provisional information including evacuation route setting information that defines the distance from the entrance of the room unit to the evacuation staircase unit through the passage unit or the number of evacuation staircase units that are defined according to the building conditions,
The automatic design unit
The distance from each entrance of each room unit of the automatically designed building to the evacuation stair unit that is the evacuation route satisfies the distance specified in the evacuation route setting information and / or according to the condition of the building Arranging at least one emergency stair unit in the building so as to satisfy the number of escape stair units specified
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The storage unit
Further storing a plurality of patterned CAD information for the first floor of a building including a plurality of individual units,
The automatic CAD design system is
A first input receiving unit that receives designation of one piece of patterned CAD information selected from the plurality of pieces of patterned CAD information;
The automatic design unit
Based on the received patterned CAD information, referring to at least a part of the extracted group definition information, a hierarchy including at least a part of the patterned CAD information is sequentially stacked to automatically build a building in the existence space. design,
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 1,
The storage unit
Further storing unit unit price information and / or building unit price information for each individual unit specified in the individual unit information,
The automatic CAD design system is
A building including a plurality of individual units is referred to the unit unit price information and / or the building unit price information based on the individual unit included in the building that is automatically designed in the existing space, and the building An estimate calculation unit for calculating the construction cost of
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 8,
The storage unit
Further storing building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit defined by the building grade, and / or building unit price information;
The automatic CAD design system is
A second input receiving unit that receives an input of one building grade selected from the plurality of building grades;
The automatic design unit
Calculate the building cost of the building based on the individual units included in the automatically designed building based on the accepted building grade input.
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 8,
The storage unit
Building grade information defining multiple building grades with different costs and / or specifications;
Unit unit price information for each individual unit specified for each building grade and / or building unit price information is further stored, and the automatic CAD design system includes:
A second input receiving unit that receives an input of one building grade selected from the plurality of building grades;
The automatic design unit
Based on the accepted building grade input, execute the automatic design of the building, and calculate the building cost of the building based on the individual units included in the building.
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 9,
The storage unit
Further store rental unit price information for each individual unit and / or region specified in the individual unit information,
The acquisition unit
Get additional down payment for construction costs, loan interest rates and at least part of the region or address,
The estimate calculation unit
Rent standard unit price for which at least one of the individual units included in the building is determined based on at least a part of the acquired area or address based on the calculated construction cost, the acquired down payment and the loan interest rate. Calculate a time series balance plan for renting at the rent specified in the information,
An automatic CAD design system characterized by this.
The automatic CAD design system according to claim 11,
The storage unit
Stores feasibility rule information that defines feasibility rules for evaluating the profitability of rental business based on income and expenditure plans,
The estimate calculation unit
Evaluating the business profitability of the income and expenditure plan calculated by the estimate calculation unit based on the feasibility rule information,
An automatic CAD design system characterized by this.
A computer-readable storage medium storing an automatic CAD design program that causes a computer to function as the automatic CAD design system according to claim 1.
An automatic CAD design method using a computer,
An acquisition step for acquiring site information that defines the site and building type information;
A storage step of storing group definition information including at least a floor area ratio, and individual unit information defining at least one individual unit associated with each building type information;
Based on the acquired site information, an extraction step for extracting group definition information applied to the site specified by the site information;
Based on the acquired site information, referring to the extracted group provision information, a space calculation step for obtaining a possible space of a building that can be built on the site; and
Based on the acquired building type information, referring to at least a part of the extracted group definition information, an automatic design step of automatically designing a building including a plurality of individual units in the existence space;
An automatic CAD design method characterized by comprising:
The automatic CAD design method according to claim 14,
The site information includes geographical information of the site and / or road access information of the site,
The extraction step comprises:
Based on the acquired geographical information of the site and / or site information including the road access information of the site, the group specification information applied to the site specified by the site information is extracted.
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The individual unit is
A central corridor unit and a room unit including at least one room,
The automatic design step includes
When the area of the site stipulated by the site information is less than a predetermined value, create a building outer peripheral shape based on the shape of the site, obtain a planar center of gravity of the building, and pass through the center of gravity. An interior corridor unit is disposed, and the room unit is sequentially disposed along at least a part of both sides in the longitudinal direction of the interior corridor unit to automatically design a building.
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The individual unit is
Including a balcony unit and a room unit,
The automatic design step includes
When the area of the site stipulated by the site information is equal to or greater than a predetermined value, the balcony unit is arranged along at least one side of the site, and the room unit is placed on one side inside the site in the longitudinal direction of the balcony unit. Automatically design buildings by sequentially arranging them along at least a part
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The obtaining step comprises
Based on the geographical information of the site specified in the site information, further obtaining group specification information applied to the site from an external server,
The extraction step comprises:
Extracting the acquired group definition information as group definition information applied to the site;
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The individual unit is
An evacuation staircase unit, a room unit including at least one room and an entrance, and a passage unit connecting the entrance of the room unit and the entrance of another room unit,
The storing step includes
It further stores single provisional information including evacuation route setting information that defines the distance from the entrance of the room unit to the evacuation staircase unit through the passage unit or the number of evacuation staircase units that are defined according to the building conditions,
The automatic design step includes
The distance from each entrance of each room unit of the automatically designed building to the evacuation stair unit that is the evacuation route satisfies the distance specified in the evacuation route setting information and / or according to the condition of the building Arranging at least one emergency stair unit in the building so as to satisfy the number of escape stair units specified
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The storing step includes
Further storing a plurality of patterned CAD information for the first floor of a building including a plurality of individual units,
The automatic CAD design method comprises:
A first input receiving step of receiving designation of one piece of patterned CAD information selected from the plurality of pieces of patterned CAD information;
The automatic design step comprises
Based on the received patterned CAD information, referring to at least a part of the extracted group definition information, a hierarchy including at least a part of the patterned CAD information is sequentially stacked to automatically build a building in the existence space. design,
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 14,
The storing step includes
Further storing unit unit price information and / or building unit price information for each individual unit specified in the individual unit information,
The automatic CAD design method comprises:
A building including a plurality of individual units is referred to the unit unit price information and / or the building unit price information based on the individual unit included in the building that is automatically designed in the existing space, and the building An estimate calculating step for calculating the construction cost of
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 21,
The storing step further stores building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit specified for each building grade, and / or building unit price information,
The automatic CAD design method comprises:
A second input receiving step of receiving an input of one building grade selected from the plurality of building grades;
The automatic design step comprises
Calculate the building cost of the building based on the individual units included in the automatically designed building based on the accepted building grade input.
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 21,
The storing step includes
Further storing building grade information defining a plurality of building grades having different costs and / or specifications, unit unit price information for each individual unit defined by the building grade, and / or building unit price information;
The automatic CAD design method comprises:
A second input receiving step of receiving an input of one building grade selected from the plurality of building grades;
The automatic design step includes
Based on the accepted building grade input, execute the automatic design of the building, and calculate the building cost of the building based on the individual units included in the building.
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 22,
The storing step includes
Further store rental unit price information for each individual unit and / or region specified in the individual unit information,
The obtaining step comprises
Get additional down payment for construction costs, loan interest rates and at least part of the region or address,
The estimate calculation step includes:
Rent standard unit price for which at least one of the individual units included in the building is determined based on at least a part of the acquired area or address based on the calculated construction cost, the acquired down payment and the loan interest rate. Calculate a time series balance plan for renting at the rent specified in the information,
An automatic CAD design method characterized by the above.
The automatic CAD design method according to claim 24,
The storing step includes
Stores feasibility rule information that defines feasibility rules for evaluating the profitability of rental business based on income and expenditure plans,
The estimate calculation step includes:
Evaluating the business profitability of the income and expenditure plan calculated by the estimate calculation unit based on the feasibility rule information,
An automatic CAD design method characterized by the above.