JPH0944702A - Retrieval system for three-dimensional model information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a retrieval system which can easily extract the component elements of the three-dimensional model data out of the two-dimensional model data. SOLUTION: A three-dimensional model 1 is stored in a computer for the component elements which are arranged in a three-dimensional form in a building having a spatial spread. In regard to such model 1, the means 2a and 2b are prepared to generate a two-dimensional model layout drawing from the model 1 and shows it on a two-dimensional model screen. Then, a three- dimensional model component element retrieval means 7 is added to directly retrieve the component elements of the model 1 or retrieve them via the two-dimensional layout drawing based on the input conditions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure having a spatial expansion such as a plant, a building, a ship, an aircraft and an automobile, in which piping, equipment, measuring equipment, wiring, support equipment and other parts are provided. It is intended for three-dimensionally arranged structures, and is related to utilization techniques such as retrieval of a data model constructed using a computer and selective data extraction.

[0002]

2. Description of the Related Art For example, plants, buildings, ships, aircraft,
Also, automobiles and the like are structures in which pipes, devices, measuring devices, wirings, support materials, and various other parts are three-dimensionally arranged in a structure having a spatial expansion. In order to grasp the spatial positional relationship and overall appearance of each component in such a structure, a computer is used to create a detailed data model of the target structure, a so-called three-dimensional model. The technique is widely used in designing and manufacturing the above structure.

However, in designing and manufacturing the above structure, a two-dimensional model, which is a two-dimensional drawing such as a piping diagram, an instrumentation diagram, and a layout diagram, has always been used before the use of the three-dimensional model. Came. The technique of creating these two-dimensional models by a computer has already spread as a general one.

The two-dimensional model has an expression suitable for its own use depending on the type of the drawing, and is well compatible with the conventional designing or manufacturing procedure. Therefore, in many cases, a three-dimensional model and several kinds of two-dimensional models are commonly used for designing and manufacturing the above-mentioned structure.

[0005]

As described above, since there are a plurality of data models for a single design object, the details of information in each model and the difference in data structure cause It is known that it is difficult to search for components that are relatively similar between a plurality of models, particularly data search for a three-dimensional model and selective extraction of data.
A more detailed explanation on that point is given below.

Generally, when a two-dimensional model and a three-dimensional model are compared, they have the following characteristics. That is, since the two-dimensional model originally has the drawing as the starting point of the model, it usually has information of the degree of detail corresponding to the contents of the drawing and a unique data structure suitable for expressing the drawing. Furthermore, in order to express the information relating to the three-dimensional design object in a two-dimensional manner, the drawings are created in accordance with the simplification of the information according to the purpose and a unique convention in terms of expression to supplement this.
The dimensional model inevitably also contains the simplified information affected by them. A typical example of the two-dimensional model is a drawing called a piping diagram or a piping instrumentation diagram. These are drawings that simplify and organize complex piping configurations in plants, etc. by system, and not all piping elements are described, and the spatial positional relationship etc. of the described elements are correctly expressed. I'm not doing it. Other typical drawings include layouts of plants and buildings, and plan layouts of ships, aircraft, automobiles, and the like. These are basically projections of the target structure on a two-dimensional plane, but the description is limited to the main structures and equipment, and the projection and cross-section differ depending on the purpose. The feature is that mixed information is mixed.

Compared with a two-dimensional drawing or a two-dimensional model created from a drawing, a three-dimensional model is not originally intended for a limited purpose such as a drawing, but a final object itself is virtualized on a computer. It is characteristic that it is created for the general purpose of building. As a result, in principle, all the constituent elements of the object are stored as model elements in the three-dimensional model, and when the object is complicated, the model becomes very large. When such a three-dimensional model is used for designing, it often becomes necessary to retrieve and display only necessary elements from a large-scale model or to extract and use data. To search for a three-dimensional model, the input system used to create the three-dimensional model is used to directly specify a component by screen operation, or attribute information added in advance to each component is used. Searching for components is commonly used.

However, the method of directly instructing the retrieval means for the three-dimensional model is not practical when the scale of the model is very large and there are many components to be retrieved. Also, the attribute-based search method cannot be executed unless the attribute information suitable for the purpose is added to all the elements. Especially in the design, according to the conventional procedure, the piping diagram, piping instrumentation diagram,
There are many occasions when layout plans and plan layout plans are used,
There is a strong demand for retrieval of a three-dimensional model based on operations and instructions on these two-dimensional drawings or a two-dimensional model and extraction of necessary data.

However, the conventional technique cannot meet such a requirement, and particularly in designing a plant, a building, a ship, an aircraft, an automobile, or the like, information corresponding to a two-dimensional drawing is applied to a three-dimensional model. The challenge was to establish a method for data retrieval and data extraction.

Therefore, an object of the present invention is to provide a three-dimensional model information retrieval system capable of easily extracting the constituent elements of the three-dimensional model data from the two-dimensional model data.

[0011]

[Means for Solving the Problems] 3 according to the invention of claim 1
A three-dimensional model information retrieval system retrieves a three-dimensional model stored in a computer for three-dimensionally arranged components in a structure having a spatial spread. A plane layout drawing information generating means for generating a two-dimensional model plane layout drawing corresponding to the plane layout drawing from the model and expressing it on the two-dimensional model screen, and a two-dimensional model vertical layout drawing corresponding to the vertical layout drawing from the three-dimensional model. To generate 2
A two-dimensional model plane layout diagram or a two-dimensional model through a vertical layout diagram information generating means represented on the two-dimensional model screen and an operation on the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram represented on the two-dimensional model screen. A three-dimensional model search condition input means for inputting a condition for searching a constituent element of the three-dimensional model that is the source of the vertical layout drawing, and a constituent element of the three-dimensional model directly based on the input condition. Or a two-dimensional model plane layout diagram or a two-dimensional model vertical layout diagram, and a three-dimensional model component search means for outputting the search result on a three-dimensional model screen or to a peripheral device. And

In the three-dimensional model information retrieval system according to the second aspect of the present invention, the plane layout information generating means according to the first aspect uses the information relating to the data type and shape of the components of the three-dimensional model. According to, the projection information on the horizontal plane and the cross-sectional information are combined for each type of component to generate a two-dimensional model plane layout.

In the three-dimensional model information retrieval system according to the third aspect of the present invention, the vertical layout information generating means according to the first aspect uses information relating to the data type and shape of the components of the three-dimensional model. According to, the projection information on the vertical plane and the cross-sectional information are combined for each type of component to generate a two-dimensional model vertical layout drawing.

In the three-dimensional model information retrieval system according to the invention of claim 4, since the plane layout drawing information generating means according to any one of claims 1 to 3 specifies an arbitrary range, the two-dimensional model screen is displayed. By instructing the constituent elements of the two-dimensional model plane layout displayed on the screen, area extracting means for extracting an area surrounded by an arbitrary range and a virtual virtual constituent element corresponding to the area are generated. By providing an attribute generating means for giving a name and an attribute to a constituent element, a virtual element displaying means for displaying the virtual constituent element on the two-dimensional model screen, and a virtual constituent element directly on the two-dimensional model screen. And an individual information search input means for inputting search conditions.

A three-dimensional model information retrieval system according to a fifth aspect of the present invention is the three-dimensional model information retrieval system according to the fourth aspect, wherein the two-dimensional model plane arrangement diagram displayed on the two-dimensional model screen is displayed by the two-dimensional model plane arrangement diagram. It has an element mesh generation division means for dividing into an element mesh generated according to the size of the constituent elements of the two-dimensional model, and the area extraction means instructs the divided element mesh displayed on the two-dimensional model screen. Thus, the area to be extracted is specified.

In the three-dimensional model information retrieval system according to the invention of claim 6, the three-dimensional model constituent element retrieving means according to claim 5 is designated through the two-dimensional model plane layout displayed on the two-dimensional model screen. 2 in the defined planar range
Calculate the three-dimensional range by adding information about the height entered through the dimensional model vertical layout,
It is characterized in that a component included in the range is searched from the three-dimensional model.

In the three-dimensional model information retrieval system according to the seventh aspect of the invention, the three-dimensional model component retrieval means according to the fifth aspect is designated through the two-dimensional model plane layout diagram displayed on the two-dimensional model screen. The three-dimensional model is calculated by adding information about a predetermined height to the created planar range, and the constituent elements included in the range are searched from the three-dimensional model. To do.

In the three-dimensional model information retrieval system according to the eighth aspect of the present invention, the three-dimensional model component retrieval means according to any one of the first to seventh aspects corresponds to the retrieval result.
It is characterized in that the search result is displayed on the two-dimensional model screen by relating it to the two-dimensional model layout or the two-dimensional model vertical layout.

A three-dimensional model information retrieval system according to a ninth aspect of the present invention is characterized in that a structure having a spatial extension has three
Independent two-dimensional model that is arranged two-dimensionally and does not express the spatial positional relationship and expresses only the connection relationship between each constituent element. The independent two-dimensional model is displayed through the operation on the independent two-dimensional model displayed on the screen. A related two-dimensional model search condition input means for inputting a condition for searching a related two-dimensional model representing a spatial positional relationship of the constituent elements of the model, a three-dimensionally arranged constituent element, It is divided into a point object as a component corresponding to a device and a interval object as a complex element that collectively represents a plurality of pipes and devices existing between each point object, and each object has a connection relationship between objects. And an attribute item indicating the attribute of an element that constitutes the object, and Of the attribute values of the objects are arranged in the same order as the array of the physical piping elements, and the point object and the interval object are used to construct a general-purpose model common to various models, and a related two-dimensional model search condition input means. And a related two-dimensional model searching means for searching a corresponding two-dimensional model from the three-dimensional model via the modeling means.
The three-dimensional model component searching means described in 1. corresponds to the corresponding three-dimensional model obtained from the modeling means.
The feature is that the component of the dimensional model is searched.

In the three-dimensional model information retrieval system according to the invention of claim 10, the modeling means according to claim 9
It is characterized in that the search result is displayed on the independent two-dimensional model screen by associating the corresponding independent two-dimensional model from the search result searched by the three-dimensional model component searching means.

In the three-dimensional model information retrieval system according to the eleventh aspect of the present invention, the three-dimensional model constituent element retrieving means according to the ninth or tenth aspect is a three-dimensional model and an independent 2 corresponding to the three-dimensional model. The three-dimensional model and the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram corresponding to the three-dimensional model and the two-dimensional model vertical layout diagram are bidirectionally linked to each other, thereby making the components of the three-dimensional model a medium. Then, the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram and the information of the independent two-dimensional model displayed on the independent two-dimensional model screen are bidirectionally searched, and the search result is searched for by two. It is characterized in that it is displayed on each of the dimensional model screen, the independent two-dimensional model screen, and the three-dimensional model screen.

[0022]

A three-dimensional model information retrieval system according to claim 1 of the present invention generates a two-dimensional model plane layout diagram and a two-dimensional model vertical layout diagram from a three-dimensional model, and displays the layout diagram on the screen. Through the three-dimensional model components.

This makes it possible to maintain the consistency of the corresponding constituent elements between the three-dimensional model and the two-dimensional model.

In the three-dimensional model information retrieval system according to the second aspect of the present invention, the plane layout information generating means according to the first aspect minimizes the data types of the three-dimensional model components and the three-dimensional shape. By using the information, the projection information on the horizontal plane and the cross-sectional information are combined for each type of component, and 2
Generate a dimensional model plane layout.

As a result, in order to generate information corresponding to the plan layout, it can be applied to a general three-dimensional model regardless of the system used for creating the data.

In the three-dimensional model information retrieval system according to claim 3 of the present invention, the vertical layout drawing information generating means according to claim 1 uses information relating to the data type and shape of the constituent elements of the three-dimensional model. By combining the projection information on the vertical plane and the cross-sectional information for each type of component, a two-dimensional model vertical layout drawing is generated.

As a result, since information corresponding to the vertical layout drawing is generated, it can be applied to a general three-dimensional model regardless of the system used for data creation.

In the three-dimensional model information retrieval system according to claim 4 of the present invention, the plan layout information generating means according to any one of claims 1 to 3 is a substance, although it is characteristic like a room or a section. A spatial region in which there is no constituent element having is extracted by designating an existing constituent element and used as a search condition.

As a result, it is possible to perform a general-purpose search without adding attribute information about the room or the compartment to the elements such as the pipes and equipment in advance.

In the three-dimensional model information retrieval system according to claim 5 of the present invention, the plane layout information generating means according to claim 4 is a characteristic element such as a room or a partition, A spatial area that does not exist is specified by a combination of virtual area elements that are created by objectively dividing the existing constituent elements, and these are used as search conditions.

As a result, it is possible to perform a general-purpose search without adding attribute information about the room or the division to the elements such as the pipes and equipment in advance.

In the three-dimensional model information retrieval system according to the sixth aspect of the present invention, the three-dimensional model component retrieval means according to the fifth aspect is input through a screen displaying a two-dimensional model plane layout diagram. The three-dimensional search range is calculated by adding the height information input through the screen display corresponding to the vertical layout view to the vertical plane generated from the three-dimensional model to the two-dimensional range.

As a result, it is possible to perform a highly accurate search without adding special search attribute information to each component of the three-dimensional model.

In the three-dimensional model information retrieval system according to the seventh aspect of the present invention, the three-dimensional model constituent element retrieving means according to the fifth aspect is input through the screen on which the two-dimensional model plane layout diagram is displayed. A three-dimensional search range is calculated by adding uniform height information such as from the floor surface to the ceiling surface to the planar range.

As a result, it is possible to perform a search without adding special search attribute information to each component of the three-dimensional model.

In the three-dimensional model information retrieval system according to the eighth aspect of the present invention, the three-dimensional model constituent element retrieval means according to any one of the first to seventh aspects presents the retrieval result to the corresponding two-dimensional plane layout diagram. Alternatively, the search result is displayed on the two-dimensional model screen by relating it to the two-dimensional model vertical layout drawing.

As described above, since the three-dimensional model and the two-dimensional model corresponding to the plane layout diagram or the vertical layout diagram are bidirectionally associated with each other, the components of the three-dimensional model retrieved by the prior art or the present invention are arranged in the plane layout diagram. It is possible to display and confirm it on the screen of a two-dimensional model corresponding to the vertical layout drawing.

A three-dimensional model information retrieval system according to claim 9 of the present invention displays an independent two-dimensional model that does not represent a spatial positional relationship but represents only a connection relationship between each component. By designating through the screen, based on the designated independent 2D model, the related 2D model expressing the spatial positional relationship is searched, and the corresponding 3D model component is searched from the related 2D model. .

As a result, 3 based on the unique information expressed in the drawing showing the system classification and connection relationship of the piping.
It is possible to search the dimensional model.

In the three-dimensional model information retrieval system according to the tenth aspect of the present invention, the modeling means according to the ninth aspect corresponds to the independent two-dimensional information from the retrieval result retrieved by the three-dimensional model constituent element retrieval means. Relate models.

As a result, the constituent elements of the three-dimensional model retrieved by the conventional technique or the present invention can be displayed and confirmed on the two-dimensional model screen corresponding to the piping instrumentation diagram.

A three-dimensional model information retrieval system according to claim 11 of the present invention is the three-dimensional model information retrieval system according to claim 9 or claim 10.
A three-dimensional model and its three
By bidirectionally connecting the independent two-dimensional model corresponding to the three-dimensional model and the three-dimensional model and the two-dimensional model plan layout diagram or the two-dimensional model vertical layout diagram corresponding to the three-dimensional model, respectively. Using the constituent elements of the dimensional model as a medium, bidirectional search is performed between the information of the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram and the independent two-dimensional model displayed on the independent two-dimensional model screen. ,
The search result is displayed on each of the two-dimensional model screen, the independent two-dimensional model screen, and the three-dimensional model screen.

As a result, the information retrieved on the two-dimensional model screen such as the plane layout diagram or the vertical layout diagram is displayed on the independent two-dimensional model screen such as the pipe instrumentation diagram, and vice versa. It is possible to display the information retrieved on the independent two-dimensional model screen such as, for example, on the two-dimensional model screen such as a plane layout diagram or a vertical layout diagram.

[0044]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a technique as a premise for applying the present invention will be described.

The present invention is premised on the existence of a detailed three-dimensional model including all components for plants, buildings, ships, aircrafts, automobiles and the like.
It is irrelevant to the present invention what kind of input system the dimensional model is created by.

However, the three-dimensional model treats its constituent elements as independent data units, and each data unit includes unique identification information corresponding to at least a part name, a pipe number, and the like.
It is supposed to have means for displaying type information of components such as walls, columns, equipment, and piping, and three-dimensional graphic information (shape / position), and displaying an arbitrary range of the model on the computer screen. .

On the other hand, information equivalent to a two-dimensional drawing includes a drawing used for the purpose of expressing information different from three-dimensional information such as a piping diagram and a piping instrumentation diagram, and a horizontal layout drawing. And a drawing in which three-dimensional information is expressed on the drawing, such as a vertical layout drawing. Regarding the former, assuming that there is a two-dimensional model created by a drawing system suitable for the type of drawing, each model component, which is an independent data unit, has at least unique identification information and two-dimensional graphic information. However, it is assumed that a means for displaying an arbitrary range of the model on the CRT screen of the computer is provided. On the other hand, regarding the latter, that is, the layout drawing, it is assumed that a two-dimensional model is generated from a three-dimensional model and used as a part of the means proposed in the present invention as described later.

Examples of the present invention will be described below.

A first embodiment of the three-dimensional model information retrieval system according to claim 1 of the present invention will be described with reference to FIG.
FIG. 1 is a block diagram showing the first embodiment.

As shown in the figure, in the first embodiment, piping, equipment, measuring equipment, wiring, and supporting equipment are provided in a structure having a spatial expansion such as a plant, a building, a ship, an aircraft and an automobile. , A three-dimensional model database 1 showing a state in which other components are arranged, and a two-dimensional model horizontal layout drawing corresponding to a horizontal layout drawing is generated from the three-dimensional model database 1 and the two-dimensional model horizontal layout drawing is Horizontal layout drawing information generating means 2a expressed on the dimensional model screen 6
And a vertical layout drawing information generating means 2b for generating a two-dimensional model vertical layout drawing corresponding to the vertical layout drawing from the three-dimensional model database 1 and expressing the two-dimensional model vertical layout drawing on the two-dimensional model screen 6. Horizontal layout information generating means 2a
Or 2 generated by the vertical layout information generating means 2b
2D model database 3 which is a database of 2D model horizontal layout or 2D vertical layout, and 3 for the user
Three-dimensional model search condition input means 4 for inputting a condition for searching a three-dimensional model, and 2 depending on the input condition.
A two-dimensional model retrieving means 5 for retrieving the two-dimensional model database 3 and a three-dimensional model retrieving condition input means when retrieving the constituent elements of the three-dimensional model through the two-dimensional model horizontal layout or the two-dimensional model vertical layout 4 or a two-dimensional model search means 5 is used to search the three-dimensional model database 1 for a three-dimensional model constituent element. 7 and a three-dimensional model screen 6 that displays the search result.

In this embodiment, first, a horizontal layout drawing information generating means 2a and a vertical layout drawing information generating means 2b create a two-dimensional model horizontal layout drawing and a two-dimensional model vertical layout drawing, respectively, from the three-dimensional model database 1. These data are stored in the two-dimensional database 3 and displayed on the two-dimensional model screen 6.

The user can view the 2 items displayed on the 2D model screen 6 via the 3D model search condition input means 4.
By designating the two-dimensional model horizontal layout drawing and the two-dimensional model vertical layout drawing, a search is made for the corresponding component of the three-dimensional model. The three-dimensional model search condition input means 4 receives the input conditions via the two-dimensional model search means 5,
Alternatively, by directly activating the three-dimensional model component search means 7,
The three-dimensional model database 1 is searched for the corresponding component, and the search result is displayed on the three-dimensional model screen 6.

As described above, by using the two-dimensional model corresponding to the horizontal layout drawing or the vertical layout drawing generated from the three-dimensional model, the components of the three-dimensional model can be easily changed from the two-dimensional model displayed on the screen. Search is possible.

Next, the horizontal layout information generating means of the second embodiment by the three-dimensional model information retrieving system according to claim 2 of the present invention will be explained with reference to FIGS.

FIG. 2 shows an example in which only the structural elements such as walls and columns showing the structure of the building are displayed as a wire frame in the three-dimensional model of a certain plant building. Note that the actual 3D model includes various components such as piping, equipment, measuring equipment, wiring, support equipment, etc. in the building, but if all of them are displayed, the density of the figure becomes too high and the identification becomes difficult. In FIG. 2, only walls and pillars are shown in order to grasp the image of the object in the following description because it becomes impossible.

FIGS. 3A to 3C show only the uppermost floor portion of the three-dimensional model plant shown in FIG. 3A to 3C are side views, upper views, and
3B and 3C, each element of FIG. 2 is represented by a wire frame. FIG.
In order to search the constituent elements of the three-dimensional model through the display as in (a) to (c), the model element displayed on the screen is directly designated, or an arbitrary coordinate or coordinate range on the screen is displayed. Is generally performed, and the model element of the relevant point or the relevant range is extracted.

In the three-dimensional model, in addition to the coordinate information indicating the three-dimensional shape of the constituent element, as the minimum information for identifying each element, information such as a unique name or number, an element type, etc. Is usually added.
For example, in the case of a skeleton element representing a plant building as shown in FIG. 3, types such as pillars, ceilings, floors, beams, walls, stairs, and slopes can be cited. When a vertical layout view or a cross-sectional view as shown in FIG. 3B is generated from a three-dimensional model, processing corresponding to projection or cutting is uniformly performed regardless of the types of these elements. On the other hand, the so-called layout drawing that is often used during design is a 3D model because it has a unique style that was originally devised to describe the structure of a three-dimensional object such as a building on a single paper surface. Represents information different from the result of uniform conversion of each element of.

The horizontal layout information generating means of the second embodiment is
Based on such a basic feature of the horizontal layout drawing, different processing contents corresponding to projection or cutting on a horizontal plane are set in advance for each component type, and for example, the plant 3
In a dimensional model, by applying a plurality of processes collectively to each element included in a height range corresponding to a specific floor, information corresponding to a two-dimensional horizontal layout drawing is obtained from the three-dimensional model. To generate.

The operation of the horizontal layout information generating means will be described in more detail below.

It is well known that there are various forms of shape representation in a three-dimensional model, and the conversion processing corresponding to projection, cutting, etc. also differs depending on the three-dimensional shape representation. As one of the typical three-dimensional shape representation,
Several types of basic 3 pre-determined model element shapes
There is a method of expressing it as a set of three-dimensional shapes. Although what shape is defined as the basic shape is arbitrary, for example, combinations such as the basic shapes shown in (a) to (g) of FIG. 4 can be considered. Especially in plant buildings,
In the case of an object with a small number of components having a complicated shape, it is possible to reduce the physical data size of the entire model by expressing the shape of each element with a combination of simple basic shapes as shown in FIG. There are advantages. When the basic shape as shown in FIG. 4 is used, the shape obtained by processing such as projection on an arbitrary surface or cutting by an arbitrary surface can be easily calculated.

Each element constituting the model has information representing the type of the object shown, in addition to the shape. For example, in the case of a skeleton element representing a plant building as shown in FIG. 3, types such as pillars, ceilings, floors, beams, walls, stairs, and slopes can be cited. As already mentioned, vertical layouts and cross-sectional views of three-dimensional models are the result of uniformly performing the same processing on each element regardless of their type. This is the information represented by so-called horizontal layouts. Is different from.

The horizontal layout drawing information generating means defines conversion processing as shown in FIG. 5 for each type of elements constituting the model and is included in the height range corresponding to a specific floor in the three-dimensional model. The conversion process shown in the chart of FIG. 5 is applied to each element. This is expressed as follows using a simple formula.

The entire three-dimensional model representing a certain plant building is represented by a set A of elements a.

A = {a (n)} a (n) = {N (n), T (n), E (n)} N (n) = “name or identifier of object represented by element” T ( n) = “type of object represented by element; wall” E (n) = {(“basic shape; cube”, (xyz coordinate sequence that specifies the cube)), (“basic shape; cylinder”, (specify cylinder) Xyz coordinate sequence and variables)), ...} In addition, the x floor of the same building has heights Hmin (x) and Hmax.
When defined between (x), the set for the element a included in the xth floor is A (x).

A (x) = {a (n)} _{Hmin (x) <a <Hmax (x) When the} entire conversion process shown in FIG.
(T) indicates the conversion process defined in FIG. 5 for each element type t. Let B (x) be the element set resulting from the conversion process Φ for all the elements included in the xth floor of the building model.

B (x) = Φ * A (x) b (n) = φ (t) * a (n) = φ (t) * {N (n), T (n), E (n)} = {N (n), T (n), φ (T (n)) * E (n)} = {N (n), T (n), F (n)} As an example, the value φ has a basic shape On the other hand, if the projection process on a plane orthogonal to it is expressed, a cube / cylinder in the three-dimensional model is converted into a square / circle, respectively.

F (n) = φ (T (n)) * E (n) = {(“basic shape; square”, (xy coordinate sequence specifying square)), (“basic shape; circle”, ( Xy coordinate sequence for specifying a circle and variables)), ...} B obtained as a result of such processing constitutes a set of elements b having a two-dimensional shape, that is, a two-dimensional model. An example of a two-dimensional model horizontal layout drawing corresponding to the horizontal layout drawing obtained by performing the conversion process defined in FIG. 5 on the three-dimensional model on the top floor of the plant shown in FIG. 3B. 6 shows.

Here, as a shape representation of each element constituting the three-dimensional model, a method of combining basic three-dimensional shapes has been described as an example. However, the horizontal layout drawing information generating means of the second embodiment uses three-dimensional shapes. The same can be applied to so-called polygon data in which is expressed as a polyhedron composed of a plurality of quadrangles or triangles.
A dimensional model can be generated.

With this, the horizontal layout drawing is made by using the minimum information relating to the data type and the three-dimensional shape of the three-dimensional model constituent elements and the basic technique of projecting or cross-sectioning on the horizontal plane for each element type. Generates a lot of information, so
It is possible to search for a three-dimensional model on a two-dimensional model screen corresponding to a horizontal layout for a general three-dimensional model.

Next, the operation of the vertical layout information generating means of the third embodiment by the three-dimensional model information retrieval system according to claim 3 will be described.

The vertical layout information generating means of the third embodiment is
Similar to the horizontal layout information creating means of the second embodiment described above, different processing contents corresponding to projection or cutting on a vertical plane are previously prepared for each component type based on the basic features of the layout drawing. Is set and, for example, in a three-dimensional model of a plant, the plurality of processing contents are collectively applied to each element included in the height range corresponding to a certain specific floor. Generate information corresponding to the vertical layout of the dimension.

The vertical layout drawing information generating means of the third embodiment is similar to the horizontal layout drawing information generating means of the second embodiment, so-called polygon data for expressing a three-dimensional shape as a polyhedron composed of a plurality of squares or triangles. Can be similarly applied, and a two-dimensional model corresponding to the vertical layout can be generated.

By this means, the minimum information relating to the data type and the three-dimensional shape of the three-dimensional model constituent elements, and the basic technique of projecting onto a vertical plane or generating a cross section for each element type are used for vertical arrangement. Since the information equivalent to the figure is generated,
It is possible to search for a three-dimensional model on a two-dimensional model screen corresponding to a horizontal layout for a general three-dimensional model.

Next, a fourth embodiment of the three-dimensional model information retrieval system according to claim 4 of the present invention will be described with reference to FIG.

As described above, as a search for the constituent elements of the three-dimensional model, the model element displayed on the screen as shown in FIG. 3 is directly designated, or any coordinate or coordinate range on the screen is designated. A general method is to extract the model element at the relevant point or the relevant range.

However, in the actual design, it is often considered that the unit is a compartment or room with a specific name or number. Although the compartments and rooms have information such as unique names and attributes, they are not things that have entities such as pipes and equipment, so they generally exist as components of a 3D model from the beginning. is not. Therefore, the plan layout information generating means of the fourth embodiment is 3
The virtual component that represents a section or room is generated for the dimensional model, and an attribute generation unit that gives a name and an attribute to this virtual component and this virtual component
Virtual element display means displayed on the two-dimensional model screen 6 displaying the two-dimensional model horizontal layout diagram, and individual information search input for inputting search conditions by directly instructing the virtual constituent elements on the two-dimensional model screen 6 And means.

Similar to FIG. 6, FIG. 7 shows a part of a two-dimensional model corresponding to the horizontal layout of the building generated from the three-dimensional model by the horizontal layout drawing generating means of the second embodiment. As shown in FIG. 7, an operation of designating a room R1 composed of several characteristic regions will be described below as an example. Originally, a section or room in a building refers to a closed space surrounded by components such as walls, floors, and ceilings, but in reality, it has a complicated shape like room R1 due to the purpose and structural restrictions. It is often taken. However, even in the case of room R1,
Since the area is characterized by the extension of the protruding wall surface, each area can be extracted by designating those characteristic elements.

After that, the area extracting means included in the horizontal layout drawing information generating means of the fourth embodiment first sets the elements 12.13.
14 ・ 17, and the respective center lines a, b, c, d
A rectangular area Sa surrounded by is extracted. Subsequently, in the same manner, the area S is formed by the elements 12, 17, 21, and 23.
The area Sc is extracted by b and the elements 21, 23, 29, and 32. Simultaneously with this series of operations, the attribute generation means included in the horizontal layout information generation means corresponds to the room R1 for the set B (x) of model elements having a two-dimensional shape corresponding to FIG. A new component b (r) is added.

B (r) = {N (r), T (r), F (r)} N (r) = “Name or identification name of the object represented by the element; R1” T (r) = “element is Type of object; room "F (r) = {(" rectangle ", (xy coordinate sequence specifying region Sa)), (" square ", (xy coordinate sequence specifying region Sb)), (" square ", (Xy coordinate sequence that specifies the region Sc)," The virtual element display means included in the horizontal layout information generating means displays the new component b (r) in the two-dimensional model horizontal layout. It is possible to input the search condition by displaying it on the displayed screen and directly instructing the virtual component on the screen through the individual information search input means.

As described above, a characteristic space area such as a room or a compartment is extracted by enclosing it with existing constituent elements, and a search is performed with this as a condition. Therefore, each constituent element of the three-dimensional model is special. It is possible to perform an objective and general-purpose search without adding attribute information for search.

Next, a fifth embodiment of the three-dimensional model information retrieval system according to claim 5 of the present invention will be described with reference to FIG.

FIG. 8 shows a display example of a two-dimensional model corresponding to a horizontal layout diagram showing the result of applying the element mesh generating / dividing means included in the fifth embodiment to the same structure shown in FIG. ing.

In the above-described fourth embodiment, the regions Sa to Sc forming the room R1 are designated in such a manner that the regions Sa to Sc are sequentially added. On the other hand, the element mesh generating / dividing means of the fifth embodiment first sets the elements 12 ... By instructing 13.30.32,
The entire range Sx that covers the room R1 is designated. Subsequently, the system includes elements 14, 16, 17, which are included in the range of Sx.
18.21.23.24.24.25.29 are automatically extracted, and the range Sx is defined by the axes of the respective elements in the areas S1 to S1.
Divide into nine. After these processings, the area extracting means S1
A model having a two-dimensional shape at the same time as an operation of sequentially instructing S4, S5, S6, and S9 to add to the target area or instructing S2, S3, S7, and S8 to remove from the target area The following new constituent element b (r) corresponding to the room R1 is added to the element set B (x).

B (r) = {N (r), T (r), F (r)} N (r) = “name or identification name of the object represented by the element; R1” T (r) = “element is Type of object; room "F (r) = {(" square ", (xy coordinate sequence that specifies the region S1)), (" square ", (xy coordinate sequence that specifies the region S4)), (" square ", (Xy coordinate sequence identifying region S5), (" square ", (xy coordinate sequence identifying region S6)), (" square ", (xy coordinate sequence identifying region S9)),} What is obtained by the fourth embodiment or the fifth embodiment is a new configuration corresponding to a section or a room in the two-dimensional model corresponding to the layout drawing in which the original three-dimensional model is subjected to the conversion processing as shown in FIG. It is an element b (r). Finally, the information of the original three-dimensional model is searched using the information of these sections or rooms.

As a result, a characteristic spatial area such as a room or a section is extracted by surrounding it with existing constituent elements, and a search is performed using this as a condition. Therefore, a special search is made for each constituent element of the three-dimensional model. It is possible to perform an objective and general-purpose search without adding attribute information for use.

Next, a sixth embodiment of the three-dimensional model information retrieval system according to claim 6 of the present invention will be described.

The three-dimensional model information retrieving means of the sixth embodiment uses the above-mentioned two-dimensional shape F (r) of the element b (r) to retrieve the information of the original three-dimensional model.
Convert to (r). Therefore, a set B of two-dimensional elements
The heights Hmin (x) and Hmax (x) corresponding to the x-th floor of the building used to obtain the three-dimensional element set A (x) that is the basis of (x) are calculated for each element of F (r). And add them uniformly. That is, in the example of FIG. 7 or 8, Sa, Sb, Sc or S1, S4, S5, S6.
By adding heights Hmin (x) and Hmax (x) to S9, E (r) having a cubic shape is generated.

In this way, within the planar range input through the screen display of the two-dimensional model corresponding to the horizontal layout,
For example, since the three-dimensional search range is calculated by adding uniform height information such as from the floor surface to the ceiling surface, special search attribute information is not added to each component of the three-dimensional model. You can also search.

Next, a seventh embodiment of the three-dimensional model information retrieval system according to claim 7 of the present invention will be described.

While the 3D model information retrieving means of the 6th embodiment described above generates a 3D element corresponding to a partition or room consisting of areas having a uniform height, 3D of the 7th embodiment The dimensional model information search means generates a three-dimensional element corresponding to a section or room composed of regions having different heights. Originally, in the layout plan, when there is a difference in height on the floor or ceiling, the boundary is described so that it can be seen. Second
The horizontal layout drawing information generating means of the embodiment also specifies Hmin (x) and Hm by specifying the use of the projection surface instead of the cutting surface for the wall in the conversion processing shown in the chart of FIG.
2 for walls with partial height between ax (x)
Since the dimensional element is generated, the element serving as the boundary is clearly shown on the upper side of FIG. 7 or 8. That is, in the example of FIG. 8, the heights of S1, S4, S5, S6, and S9 do not differ from each other, and if there are ranges of different heights, they are expressed as regions separated from others like S7 and S8. Will be. Therefore, in the element mesh generating / dividing means and the area extracting means of the fifth embodiment, not only the areas S1, S4, S5, S6, and S9 are added to the elements of the room R1,
Assuming that S7 and S8 are designated, the two-dimensional component b (r) corresponding to the room R1 is represented as follows.

B (r) = {N (r), T (r), F (r)} N (r) = “Name or identification name of object represented by element; R1” T (r) = “element is Type of object; room "F (r) = {(" square ", (xy coordinate sequence that specifies the region S1)), (" square ", (xy coordinate sequence that specifies the region S4)), (" square ", (Xy coordinate string that specifies the area S5), (" square ", (xy coordinate string that specifies the area S6)), (" square ", (xy coordinate string that specifies the area S7)), (" Quadrangle ", (xy coordinate sequence specifying region S8), (" square ", (xy coordinate sequence specifying region S9)),} In the three-dimensional model information searching means of the seventh embodiment, room R1
Region S1 included in the two-dimensional component b (r) corresponding to
For the area groups having different heights among S4, S5, S6, S7, S8 and S9, the vertical layout drawing information generating means of the second embodiment is applied to the vertical plane passing through each representative area. A side view model is generated, and the height to be added to each area is specified through the model. In the example regarding the two-dimensional component b (r) corresponding to the room R1, it is shown in the layout model that the areas S1, S4, S5, S6, S9 and the areas S7, S8 have different heights as described above. As expected from FIG. Therefore, as shown in FIG. 9A, a vertical plane e passing through the regions S7 and S8 of the cross-sectional model 9-1 corresponding to the horizontal layout is designated on the layout model, and shown in FIG. 9B. As described above, the cross-sectional model 9-2 corresponding to the vertical layout is generated. Then, in FIG. 9B, by designating the elements 40 and 41, the area S7.
The height information H1 and H2 to be added to S8 is designated. Area S
Similarly, for 1, S4, S5, S6, and S9, for example, when the cross-sectional view model 9-2 corresponding to the vertical layout is used, the height information H is specified by designating the elements 40 and 42.
Specify 0 and H2.

In this way, within the planar range input through the screen display of the two-dimensional model corresponding to the horizontal layout,
Since the three-dimensional search range is calculated by adding the height information input through the screen display corresponding to the vertical layout diagram for the vertical plane generated from the three-dimensional model, a special search attribute for each component of the three-dimensional model. Highly accurate search is possible even if no information is added.

The fourth to seventh embodiments described above provide a method for defining a constituent element representing a characteristic spatial area such as a section or a room for a three-dimensional model such as a plant building. It is a thing. This is not limited to plant buildings and the like, and can be similarly applied to the case of identifying a characteristic spatial area in a ship, an aircraft, an automobile, or the like. The spatial elements as described above are defined for these three-dimensional models, and for each element, a room name is a room, a work name is a section where work is performed, and an object is a path for moving an object. If an attribute such as a name or a root name is added, the process of calling the spatial element based on the attribute and extracting the element occupying the corresponding space is nothing but the search process of the three-dimensional model information.

Next, an eighth embodiment of the three-dimensional model information retrieval system according to claim 8 of the present invention will be described.

In the eighth embodiment, the reverse application of any of the first to seventh embodiments is possible, that is, the direct retrieval result for the three-dimensional model using the conventional technique is This makes it possible to display, for example, a section or a room in which a certain component exists, in association with a two-dimensional model corresponding to a horizontal layout drawing or a vertical layout drawing.

As described above, since the three-dimensional model and the two-dimensional model corresponding to the horizontal layout diagram or the vertical layout diagram can be bidirectionally associated with each other, the retrieved three-dimensional model components are arranged in the horizontal layout diagram or the vertical layout diagram. 2D model screen 6 equivalent to the figure
It is possible to display and confirm it above.

Next, a ninth embodiment of the three-dimensional model information retrieval system according to claim 9 of the present invention will be described.

While the first to eighth embodiments described above provide means for performing a spatial search by utilizing the coordinate information of the elements forming the three-dimensional model, the ninth embodiment Provides means for performing a search using the identification information of the object represented by the component and the connection information between the components. Next, the ninth embodiment will be described with reference to the block diagram of FIG. 10 for the model relating to the plant building. In FIG. 10, the description of the same parts as those described with reference to FIG. 1 will be omitted when the first embodiment is described.

In the ninth embodiment, independent of the data of the three-dimensional model database 1 and the two-dimensional model database 3, only the systematic relationship between the respective constituent elements of the object is expressed, for example, in the piping instrumentation diagram. Independent two-dimensional model database 101 of an independent two-dimensional model corresponding to such a simplified drawing
And the related two-dimensional model for displaying the independent two-dimensional model and inputting search conditions for the related two-dimensional model indicating the spatial positional relationship corresponding to the independent two-dimensional model through the independent two-dimensional model screen 106. Search condition input means 10
4, a modeling means 102 for associating the independent 2D model with the 3D model, a 2D database 103 for the associated 2D model, and a 2D related model based on the input search conditions. Related 2 for searching the 2D database 103 and displaying the searched related 2D model on the independent 2D model screen 26.
And a dimensional model search means 105. In addition, as described in the first embodiment, the three-dimensional model component retrieving unit that retrieves the three-dimensional model component corresponding to the related two-dimensional model retrieved by the two-dimensional model retrieving unit 105 from the three-dimensional model database 1. And display the search result 3
And a dimensional model screen 8.

Here, the three-dimensional model database 1 or 2
An independent two-dimensional model corresponding to a simplified drawing such as a piping instrumentation diagram, in which only the systematic relationship between the respective constituent elements of the object is expressed independently of the data of the dimensional model database 3, will be described.

Not limited to plants, buildings, ships, airplanes,
For automobiles, etc., piping,
Various components such as equipment, measuring equipment, wiring, support materials, etc. are arranged. As the information used for designing and building such a structure, there is a piping instrumentation diagram in addition to a three-dimensional model and a layout diagram. FIG. 11 shows an example of a piping instrumentation diagram. Unlike the horizontal and vertical layout diagrams described above, the piping and instrumentation diagram does not represent the positional relationship of the constituent elements, but the connection relationship from the functional aspect of piping, equipment, and instrumentation. It is the intended drawing. Therefore, the graphic information (shape / position) of the elements on the piping and instrumentation diagram is irrelevant to the actual shape and position of the object, and is not the same as the three-dimensional model element as in the case of horizontal and vertical layout drawings. The convertible correlation of does not hold. Not only does the graphic information not correspond, but in the piping instrumentation diagram, it is common to simplify the system because it shows the configuration of the entire system. Of the elements that correspond to the elements that make up the 3D model, There are many pipe instrumentation diagrams that do not exist as independent elements, such as curved pipes that represent bends and straight pipes that connect them.

Therefore, the modeling means of the ninth embodiment is
Information with different degrees of detail, such as a three-dimensional model and a piping instrumentation diagram model, is integrated into a model.

The operation of the modeling means of the ninth embodiment will be described below.

There is always a common point in both the three-dimensional model and the simplified model such as the piping instrumentation diagram as long as they represent the same piping system. In particular, in order to correctly express the basic functions of the piping system, equipment such as pumps and valves, and branch points of piping are indispensable characteristic elements. Therefore, the piping system is divided into characteristic points and characteristic sections that connect the characteristic points into elements, and the elements of the model with different levels of detail are stored below or inside the elements corresponding to the corresponding characteristic points or characteristic sections. To do. As an example, (a) of FIG.
As shown in (b), a three-dimensional model and a piping instrumentation diagram model relating to a part of a piping system of a plant are collected into sets A and C.
Represents.

Here, in the piping system, a point object as a single element corresponding to a branching and merging point and a device, and an interval as a complex element collectively representing a plurality of pipes and devices existing between the point objects.
It is divided into objects, and each object is provided with an attribute item that indicates the connection relationship between objects and an attribute item that indicates the attributes of the elements that make up that object, and the array of attribute values of the above interval object is physically piped. Based on the technology of constructing a general-purpose model common to various models with the point object and interval object in the same order as the array of elements,
Piping model in which both models of sets A and C are combined. Let (c) in FIG. 12 be set X, the component x of X and sets A and C are shown.
The relationship between the components a and c of is expressed as follows.

X (1) = {{..., a (1)}, {..., c (1)}} x (2) = {{a (2)}, {c (2)}} x (3 ) = {{A (3), a (4), a (5)}, {c (3)}} x (4) = {{a (6)}, {c (4)}} x (5 ) = {{A (7), a (8), a (9)}, {c (5), c (6)}} x (6) = {{a (10)}, {c (7) }} X (7) = {{a (11), ...}, {c (8), ...}} x (8) = {{a (12), a (13), a (14), a ( 15), a (16)}, {c (9), c (10)}} x (9) = {{a (17)}, {c (11)}} x (10) = {{a ( 18), ...}, {c (12), ...}} Thus, if the correspondence relationship between each element of the three-dimensional model and the piping instrumentation diagram model is expressed as above, the piping instrumentation By designating an arbitrary element c on the diagram model, it becomes possible to extract a set {a} of corresponding constituent elements on the three-dimensional model via the element x of the combined model including the same element. . This corresponds to the search means based on the piping instrumentation diagram for the information in the three-dimensional model.

As a result, attribute information to be individually associated with each constituent element of a two-dimensional model or a three-dimensional model corresponding to a horizontal layout diagram, a vertical layout diagram, a piping instrumentation diagram, etc. must be added in advance. Also, based on the conditions entered through the screens corresponding to the horizontal layout diagram, vertical layout diagram, pipe instrumentation diagram, etc., the 3D model can be searched, and the 3D model can be used as an intermediate medium for horizontal layout. Information of different two-dimensional models such as diagrams, vertical layout diagrams, and piping instrumentation diagrams can be correlated with each other.

Next, a tenth embodiment of the three-dimensional model information retrieval system according to claim 10 of the present invention will be described.

The modeling means of the tenth embodiment uses a three-dimensional model as an intermediate medium, so that a two-dimensional model such as a horizontal layout diagram or a vertical layout diagram and an independent two-dimensional model such as a piping instrumentation diagram are used. The components of the model are searched in association with each other.

As a result, the three-dimensional model and the independent two-dimensional model corresponding to the piping instrumentation diagram and the like can be associated bidirectionally, so that the components of the retrieved three-dimensional model can be associated with the piping instrumentation diagram and the like. The two-dimensional model corresponding to can be displayed and confirmed on the independent two-dimensional model screen 106.

Next, an eleventh embodiment of the three-dimensional model information retrieval system according to claim 11 of the present invention will be described.

In the eleventh embodiment, the three-dimensional model component retrieving means 7 described in the ninth embodiment uses the three-dimensional model as an intermediate medium, so that the two-dimensional layout such as the horizontal layout or the vertical layout is obtained. The model and the constituent elements of an independent two-dimensional model such as a piping instrumentation diagram are associated with each other and searched.

Thus, by using the three-dimensional model as an intermediate medium, the two-dimensional model such as the horizontal layout diagram and the components of the independent two-dimensional model such as the piping instrumentation diagram can be associated with each other. Displaying and confirming the search result displayed on the two-dimensional model screen 6 such as a layout diagram on the independent two-dimensional model screen 106 such as the piping and instrumentation diagram, and checking the independent results such as the piping and instrumentation diagram. Dimensional model screen 1
The search results displayed on 06 are displayed in 2
It can be displayed and confirmed on the dimensional model screen 6.

[0114]

According to the invention of claim 1, when a three-dimensional model of a plant, a building, a ship, an aircraft, an automobile, etc. is searched, a two-dimensional model corresponding to a horizontal layout diagram generated from the three-dimensional model is used. Because it is used, 2 which is equivalent to the horizontal layout
A three-dimensional model can be easily searched on the three-dimensional model screen.

According to the second aspect of the invention, the minimum information relating to the data type and the three-dimensional shape of the three-dimensional model constituent element and the basic technique of projecting or cross-section generation on the horizontal plane for each element type are provided. Since the information corresponding to the horizontal layout drawing is generated by utilizing the information, the three-dimensional model can be searched from the two-dimensional model screen corresponding to the horizontal layout drawing for the general three-dimensional model.

According to the third aspect of the present invention, the minimum information relating to the data type and the three-dimensional shape of the three-dimensional model constituent element, and the basic technique of projecting onto the vertical plane or generating a cross section for each element type Since the information corresponding to the vertical layout drawing is generated by using, the three-dimensional model can be searched from the two-dimensional model screen corresponding to the horizontal layout drawing with respect to the general three-dimensional model.

According to the invention of claim 4, a characteristic space area such as a room or a partition is extracted by enclosing it with existing constituent elements, and the search is performed under the condition. It is possible to perform an objective and general-purpose search without adding special search attribute information to the constituent elements.

According to the fifth aspect of the present invention, the entire two-dimensional model is divided into characteristic area elements based on the existing constituent elements, and a characteristic spatial area such as a room or a partition is divided into those area elements. Since it is defined as a combination and the search is performed with this as a condition, it is possible to specify an area having a complicated shape, and even if no special search attribute information is added to each component of the 3D model. You can perform an objective and general-purpose search.

According to the sixth aspect of the present invention, uniform height information, for example, from the floor surface to the ceiling surface, is provided in the planar range input through the screen display of the two-dimensional model corresponding to the horizontal layout. Since the three-dimensional search range is calculated by adding,
It is possible to perform a search without adding special search attribute information to each component of the three-dimensional model.

According to the seventh aspect of the present invention, the screen display corresponding to the vertical layout drawing with respect to the vertical plane generated from the three-dimensional model is displayed in the planar range input through the screen display of the two-dimensional model corresponding to the horizontal layout drawing. Since the three-dimensional model search range is calculated by adding the height information input through, accurate search can be performed even if no special search attribute information is added to each component of the three-dimensional model.

According to the eighth aspect of the present invention, the three-dimensional model and the two-dimensional model corresponding to the horizontal layout diagram or the vertical layout diagram can be associated bidirectionally. It is possible to display and confirm it on the screen of a two-dimensional model corresponding to the layout drawing or the vertical layout drawing.

According to the invention of claim 9, since the two-dimensional model corresponding to the piping instrumentation diagram or the like is used as the means for retrieving the three-dimensional model, the systematic classification of pipes and the connection relation are expressed in the same drawing. The 3D model can be searched based on unique information.

According to the tenth aspect of the present invention, the three-dimensional model and the two-dimensional model corresponding to the piping instrumentation diagram and the like can be associated bidirectionally. It can be displayed and confirmed on the screen of the two-dimensional model corresponding to the instrumentation diagram.

According to the invention of claim 11, by using the three-dimensional model as an intermediate medium, it is possible to associate a two-dimensional model such as a horizontal layout diagram with a component of a two-dimensional model such as a piping instrumentation diagram. 2 such as horizontal layout and vertical layout
The search results on the dimensional model screen can be displayed in 2
It can be displayed and confirmed on the dimensional model screen, and the search result on the two-dimensional model screen such as the piping instrumentation diagram can be displayed and confirmed on the two-dimensional model screen such as the horizontal layout diagram.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment according to a three-dimensional model information retrieval system of the present invention.

FIG. 2 is a diagram showing a three-dimensional model for explaining the operation of horizontal layout drawing information generating means.

FIG. 3 is a view of the top floor portion of the three-dimensional model as seen from the side, above, and diagonally above.

FIG. 4 is a diagram showing each basic shape expressing a three-dimensional model.

FIG. 5 is a diagram for explaining an operation of converting a three-dimensional model into a two-dimensional model by means of horizontal layout drawing information generation means.

FIG. 6 is a diagram showing a two-dimensional model generated from a three-dimensional model by horizontal layout drawing information generating means.

FIG. 7 is a diagram showing a two-dimensional model generated from a three-dimensional model.

FIG. 8 is another diagram showing a two-dimensional model generated from the three-dimensional model.

FIG. 9 is a diagram showing a horizontal layout and a vertical layout.

FIG. 10 is a block diagram showing a ninth embodiment according to the present invention.

FIG. 11 is a diagram showing a two-dimensional model corresponding to a piping instrumentation diagram showing only the connection relationship of each component.

FIG. 12 is a diagram for explaining association between a three-dimensional model and a piping instrumentation diagram model.

[Explanation of symbols]

 1 3D model database 2a Horizontal layout information generation means 2b Vertical layout information generation means 3 2D model database 4 3D model search condition input means 5 2D model search means 6 2D model screen 7 3D model component search Means 8 3D model screen 9-1 Cross sectional model equivalent to horizontal layout 9-2 Cross sectional model equivalent to vertical layout 101 Independent 2D model database 102 Modeling means 103 Related 2D model database 104 Related 2D model search conditions Input means 105 Related two-dimensional model search means 106 Independent two-dimensional model screen R1 room

Claims (11)

[Claims] 1. A three-dimensional model information retrieval system for retrieving a three-dimensional model stored in a computer for structural elements arranged three-dimensionally in a structure having a spatial expansion. A plane layout drawing information generating means for generating a two-dimensional model plane layout drawing corresponding to the plane layout drawing from the three-dimensional model and expressing it on the two-dimensional model screen, and a two-dimensional model corresponding to the vertical layout drawing from the three-dimensional model. Through a vertical layout drawing information generating means for creating a vertical layout drawing and expressing it on the two-dimensional model screen, and an operation on the two-dimensional model plane layout drawing or the two-dimensional model vertical layout drawing expressed on the two-dimensional model screen. A three-dimensional model search condition for inputting a condition for searching a constituent element of the three-dimensional model that is a source for generating the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram Based on the input means and the input condition, the constituent elements of the three-dimensional model are searched directly or through the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram, and the search result is searched for in the three-dimensional model. A three-dimensional model information search system having a three-dimensional model component search means for outputting on a screen or to a peripheral device. 2. The plane layout drawing information generating means uses the information relating to the data type and shape of the constituent elements of the three-dimensional model to project information on the horizontal plane and sectional information for each kind of the constituent elements. The three-dimensional model information retrieval system according to claim 1, wherein the two-dimensional model plane layout diagram is generated by combining the two. 3. The vertical layout information generating means uses the information relating to the data type and shape of the constituent elements of the three-dimensional model to project information and cross-section onto a vertical plane for each type of the constituent elements. The three-dimensional model information retrieval system according to claim 1, wherein the information is combined to generate a two-dimensional model vertical layout drawing. 4. The plane layout drawing information generating means specifies the arbitrary range by designating a constituent element of the two-dimensional model plane layout drawing displayed on the two-dimensional model screen in order to specify an arbitrary range. Area extraction means for extracting an area surrounded by a range, attribute generation means for generating a virtual virtual constituent element corresponding to the area, and giving a name and an attribute to this virtual constituent element, and this virtual constituent element Virtual element display means for displaying on the two-dimensional model screen,
The three-dimensional model information retrieval system according to any one of claims 1 to 3, further comprising: individual information retrieval input means for inputting retrieval conditions by directly instructing a virtual component on the three-dimensional model screen. 5. The plane layout drawing information generating means generates the two-dimensional model plane layout displayed on the two-dimensional model screen according to the size of the constituent elements of the two-dimensional model. The area extraction means has an element mesh generation division means for dividing into meshes, and the area extraction means extracts an area surrounded by the arbitrary range by instructing the divided element mesh displayed on the two-dimensional model screen. The three-dimensional model information retrieval system according to claim 4, characterized in that the area is designated. 6. The three-dimensional model component searching means is 2
By adding the information about the height input through the 2D model vertical layout map to the planar range specified through the 2D model layout plan displayed on the 2D model screen, the three-dimensional range can be obtained. And calculate 3
The three-dimensional model information retrieval system according to claim 5, wherein the three-dimensional model information retrieval system retrieves the constituent elements included in the range from the three-dimensional model. 7. The three-dimensional model component searching means adds information regarding a predetermined height to a planar range designated through the two-dimensional model plane layout displayed on the two-dimensional model screen. The three-dimensional model information search system according to claim 5, wherein the three-dimensional model information calculation system calculates a three-dimensional range and searches the three-dimensional model for components included in the range. 8. The three-dimensional model component search means relates the search result to a corresponding two-dimensional plane layout diagram or two-dimensional model vertical layout diagram to display the search result on the two-dimensional model screen. The three-dimensional model information retrieval system according to any one of claims 1 to 7, which is displayed. 9. An independent two-dimensional model which is three-dimensionally arranged in a structure having a spatial expansion and which expresses only a connection relationship between respective constituent elements without expressing a spatial positional relationship. Through the operation of the independent 2D model displayed on the screen, input the conditions for searching the related 2D model that represents the spatial positional relationship of the components of the independent 2D model. Means and a constituent element of the three-dimensional model as a composite element that collectively represents a point object as a constituent element corresponding to a branching confluence point and a device, and a plurality of pipes and devices existing between the point objects. It is divided into interval objects, and each object has an attribute item that represents the connection relationship between objects and an attribute that represents the attributes of the elements that make up that object. Modeling means for constructing a general-purpose model common to various models with the point object and the interval object by setting the array of the attribute values of the interval object in the same order as the array of the physical piping elements and providing the items, And a related 2D model searching means for searching the 3D model through the modeling means for the corresponding 2D model corresponding to the input from the related 2D model search condition inputting means. 3. The three-dimensional model information retrieval according to claim 1, wherein the means retrieves a corresponding constituent element of the three-dimensional model from the associated two-dimensional model obtained by the associated two-dimensional model retrieval means. system. 10. The modeling means associates the corresponding independent two-dimensional model from the search result searched by the three-dimensional model component searching means, thereby displaying the search result on the independent two-dimensional model screen. The three-dimensional model information retrieval system according to claim 9, which is displayed. 11. The three-dimensional model component search means comprises:
Independent 2 corresponding to the 3D model and the 3D model
Configuration of the three-dimensional model by bidirectionally connecting the three-dimensional model and the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram corresponding to the three-dimensional model, respectively. Using an element as a medium, the two-dimensional model plane layout diagram or the two-dimensional model vertical layout diagram and the information of the independent two-dimensional model displayed on the independent two-dimensional model screen are bidirectionally searched, and 11. The three-dimensional model information search according to claim 9 or 10, wherein a search result is displayed on each of the two-dimensional model screen, the independent two-dimensional model screen, and the three-dimensional model screen. system.