CN116401748B - Method for automatically generating lower hanging beam based on Revit and Dynamo - Google Patents
Method for automatically generating lower hanging beam based on Revit and Dynamo Download PDFInfo
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- CN116401748B CN116401748B CN202310601617.8A CN202310601617A CN116401748B CN 116401748 B CN116401748 B CN 116401748B CN 202310601617 A CN202310601617 A CN 202310601617A CN 116401748 B CN116401748 B CN 116401748B
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- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000009432 framing Methods 0.000 abstract 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Abstract
The invention relates to the field of drawing deepening design in building construction technology, in particular to a method for automatically generating a lower hanging beam based on Revit and Dynamo. The method comprises the following steps: s1, acquiring all members comprising a door and a structural frame beam through a Select Model Elements node; s2, automatically acquiring the position of a door opening through an element 'GetParameterValueByName' node; s3, calculating the position of the lower hanging beam and the size of the lower hanging beam according to the position of the door opening; and S4, automatically generating a lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of a lower hanging beam group, specifically, creating the lower hanging beam through a construction Framing. Beam Curve node, and generating the lower hanging beam entity. The method for automatically searching the door opening and automatically generating the lower hanging beam according to the position of the door opening replaces manual deepening, well solves the problems of low manual deepening efficiency, inaccuracy and easy error, can realize batch operation, and saves deepening cost.
Description
Technical Field
The invention relates to the field of drawing deepening design in building construction technology, in particular to a method for automatically generating a lower hanging beam based on Revit and Dynamo.
Background
At present, the domestic BIM (building information model; english Building Information Modeling abbreviation) technology is rapidly developed, and in the design stage and construction stage of building engineering, various applications are usually carried out by using the BIM model to assist drawing deepening design or to solve and optimize the heavy and difficult points of site construction. In field construction, an aluminum alloy template is often required to be used as a template material for pouring a building concrete member, and a manufacturer or a construction unit usually carries out deepening design of the aluminum alloy template before using the aluminum alloy template material so as to pour the corresponding concrete member.
When carrying out aluminum alloy template deepening design, can carry out the deepening design with the lower hanging beam of door entrance to a cave top in the floor according to certain rule generally, but often because its deepening is numerous, adopt traditional modeling operation mode can not only lead to deepening inefficiency, and be difficult to quick accurate building information model of formation lower hanging beam.
Disclosure of Invention
The invention provides a method for automatically generating a lower hanging beam based on Revit and Dynamo, which is used for automatically searching a door opening and automatically generating the lower hanging beam according to the position of the door opening to replace manual deepening, so that the problems of low manual deepening efficiency, inaccuracy and easy error are well solved, batch operation and intelligent operation are realized, and deepening cost is saved.
The invention provides a method for automatically generating a lower hanging beam based on Revit and Dynamo, which comprises the following steps: s1, acquiring all members comprising a door and a structural frame beam through a Select Model Elements node; s2, automatically acquiring the position of a door opening through an element, getParameterValueByName node; s3, calculating the position of the lower hanging beam and the size of the lower hanging beam according to the position of the door opening; and S4, automatically generating a lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of the lower hanging beam family.
Further, the step of automatically acquiring the position of the door opening through the element, getparametervaluebyname node in S2 is specifically: s21, creating a straight line above the origin of the door component, and judging whether the intersected door component and the structural frame beam component exist or not; s22, acquiring the intersected door members and the structural frame beam members to determine the positions of door openings.
Further, the step S21 of creating a straight line above the origin of the door member to determine whether there is an intersecting door member and structure frame beam member is specifically: s211, connecting the original point coordinate of the door component through a node of 'line. ByStartPointEndPoint', translating the door component towards the z-axis direction according to a given distance through a node of 'geometry. Translate', and forming a straight line with the translated coordinate by the original point coordinate; s212, judging whether the structural frame beam member is intersected with the straight line through a node of geometry, doesInterselect, and if so, returning to the intersected door member and structural frame member; otherwise, return the empty list.
Further, the step S22 of acquiring the intersected door component and the structural frame beam component to determine the position of the door opening is specifically as follows: s221, acquiring the door component returned in the step S212 through a 'List. GetItemAtIndex' node; s222, acquiring the width a and the height c of the gate member through an element.
Further, the step S3 of calculating the position of the lower hanging beam according to the position of the door opening specifically comprises the following steps: and determining the central line of the lower hanging beam according to the position of the door opening.
Further, the step S3 of calculating the size of the lower hanging beam according to the position of the door opening specifically comprises the following steps: and determining the height a and the width c of the lower hanging beam according to the position of the door opening.
Further, the center line of the lower hanging beam is determined according to the position of the door opening specifically comprises: s311, acquiring the original point position coordinate of a door component, translating the door component towards the z-axis direction according to a given distance c+h through a geometry. Translate node, and acquiring the position coordinate of the lower hanging beam after translation; s312, respectively translating the position coordinates of the lower hanging beam line twice through a geometry. Translate node, wherein the translation distance is L=a/2+100; s313, a straight line is created between the two translated coordinate points through the section of 'line. ByStartPointEndPoint', and then the line segment is the center line of the lower hanging beam.
Further, the height and width of the lower hanging beam are determined according to the position of the door opening specifically: s321, obtaining the distance x between a door component and a structural frame beam component through a node of geometry, distance to, wherein c represents the height of the door, and h represents the height of a lower hanging beam; s322, obtaining the wall thickness of the main body of the door component through the "family instance.
Further, the bottom wall girder family name is named by size, i.e., family name= "bottom wall girder" + "b" x "h".
Further, the automatic generation of the lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of the lower hanging beam family is specifically as follows: the underbeam entity is created by the "structuralframe.
Further, before executing the step S1, defining a standard component library, specifically: all standard components in the architectural design are defined for subsequent matching with the defined components after the corresponding information is identified.
The beneficial effects of the invention are as follows: the invention provides a method for automatically generating a lower hanging beam based on Revit and Dynamo, which is used for automatically searching a door opening and automatically generating the lower hanging beam according to the position of the door opening to replace manual deepening, so that the problems of low manual deepening efficiency, inaccuracy and easy error are well solved, batch operation can be realized, and deepening cost is saved.
Drawings
For a better understanding of the present disclosure, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale and related elements may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may have different arrangements as known in the art. Furthermore, in the drawings, like reference numerals designate identical or similar parts throughout the several views. Wherein:
fig. 1 is a method for automatically generating a lower hanging beam based on Revit and Dynamo according to an embodiment of the present invention;
FIG. 2 is a method for automatically obtaining a door opening position based on Revit and Dynamo according to an embodiment of the present invention;
FIG. 3 is a method for automatically generating a lower hanging beam according to a door opening position according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another method for automatically generating an underbeam based on Revit and Dynamo according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. Embodiments of the invention and features of the embodiments may be combined with one another arbitrarily without conflict. Also, while a logical order of illustration is depicted in the flowchart, in some cases the steps shown or described may be performed in a different order than presented.
The terms first and second in the description and claims of the invention and in the above-mentioned figures are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the term "include" and any variations thereof is intended to cover non-exclusive protection. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus. The term "plurality" in the present invention may mean at least two, for example, two, three or more, and embodiments of the present invention are not limited.
In order to solve the problems of low artificial deepening efficiency, inaccuracy, easy error and high cost of the lower hanging beam, the invention provides a method for automatically generating the lower hanging beam based on Revit and Dynamo. As shown in fig. 1, the method comprises the steps of:
s1, acquiring all members comprising a door and a structural frame beam.
The invention obtains all the components comprising the door and the structural frame beam through the Select Model Elements node.
S2, automatically acquiring the position of the door opening.
According to the invention, the position of the door opening is automatically obtained through an element, getParameterValueByName node;
and S3, calculating the position of the lower hanging beam and the size of the lower hanging beam according to the position of the door opening.
The position of the lower hanging beam is the center line of the lower hanging beam, and the dimension of the lower hanging beam is the height a and the width c of the lower hanging beam.
And S4, automatically generating a lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of the lower hanging beam family.
Three necessary conditions for generating the lower hanging beam entity are as follows: (1) lower beam position (2) lower beam dimension (3) lower beam family name. The name of the lower hanging beam family is named according to the size, namely the family name= "lower hanging beam" + "b" x "h", wherein b represents the width of the lower hanging beam, and h represents the height of the lower hanging beam.
Specifically, the automatic generation of the lower hanging beam entity according to the center line of the lower hanging beam, the height a and the width c of the lower hanging beam and the name of the lower hanging beam family is as follows: the underbeam entity is created by the "structuralframe.
The beneficial effects of the invention are as follows: the method can automatically find the door opening, automatically generate the lower hanging beam entity according to the position of the door opening, completely replace the manual deepening of the lower hanging beam, well solve the problems of low manual deepening efficiency, inaccuracy and easy error, realize batch operation and save deepening cost.
In another embodiment, since the lower hanging beam is below the upper structural frame beam corresponding to the door, in order to obtain the position of the door opening, the structural frame beam corresponding to the upper side of the door must be determined first, and fig. 2 shows a method for automatically generating the position of the door opening based on Revit and Dynamo according to the embodiment of the present invention, as shown in fig. 2, the method includes the following steps:
and S21, creating a straight line above the origin of the door component, and judging whether the intersected door component and the structural frame beam component exist or not.
Specifically, first, the origin coordinates of the gate member are connected by a "line. ByStartPointEndPoint" node, and the gate member is translated by a "geometry. Transfer" node by a given distance, for example 4000mm, toward a positive Z-axis (0, 1) in a given direction, at which point the origin coordinates of the gate member and the translated coordinates form a straight line. Secondly, judging whether the structural frame beam member is intersected with the straight line through a node of 'geometry, doesInterselect', and if so, returning to the intersected door member and structural frame member; otherwise, return the empty list.
S22, acquiring the intersected door members and the structural frame beam members to determine the positions of door openings.
Specifically, first, the intersecting gate members returned in the previous step are acquired through the "list.getitemilndex" node; next, the width a and height c of the gate member are obtained by the "element.
In another embodiment, in order to further improve deepening efficiency, the self-lower hanging beam entity is automatically generated through the position of the door opening, and three necessary conditions are needed for generating the lower hanging beam entity: (1) lower beam position (2) lower beam dimension (3) lower beam family name. Thus, as shown in fig. 3, the method comprises the steps of:
and S31, determining the center line of the lower hanging beam according to the position of the door opening.
To generate the lower joist, the position of the lower joist should be obtained in advance, which can be represented by the lower joist line. The central line of the lower hanging beam is determined according to the position of the door opening, and is specifically: s311, acquiring the original point position coordinate of a door component, translating the door component towards the z-axis direction according to a given distance c+h through a geometry. Translate node, and acquiring the position coordinate of the lower hanging beam after translation;
s312, respectively translating the position coordinates of the lower hanging beam line twice through a geometry. Translate node, wherein the translation distance is L=a/2+100;
s313, a straight line is created between the two translated coordinate points through the section of 'line. ByStartPointEndPoint', and then the line segment is the center line of the lower hanging beam.
S32, determining the center line height a and the width c of the lower hanging beam according to the position of the door opening.
The method comprises the following steps: s321, obtaining the distance x between a door component and a structural frame beam component through a node of geometry, distance to, wherein c represents the height of the door, and h represents the height of a lower hanging beam; s322, obtaining the wall thickness of the main body of the door component through the "family instance.
S41, automatically generating a lower hanging beam entity according to the center line of the lower hanging beam, the height a and the width c of the lower hanging beam and the name of the lower hanging beam family.
The name of the lower hanging beam family is named according to the size, namely the family name= "lower hanging beam" + "b" x "h". For example: lower hanging beam 200x400;
the automatic generation of the lower hanging beam entity according to the center line of the lower hanging beam, the height a and the width c of the lower hanging beam and the name of the lower hanging beam family is specifically as follows: the underbeam entity is created by the "structuralframe.
In another embodiment, because the traditional component recognition is to manually recognize the components drawn on the building drawing class by class, the meaning represented by each component is specified in the design auxiliary software after the recognition; the design auxiliary software performs component assembly according to a component library defined in the system so as to generate a three-dimensional model; during recognition, a designer needs to have stronger specialty and enough care, and a great deal of time is often required to be invested to manually confirm and recognize the components in each layer of the drawing; once in error, the subsequent three-dimensional model generates errors, thereby causing the die matching errors, and causing huge economic loss and construction period delay. Therefore, in order to further improve the deepening efficiency, the present invention provides another method for automatically generating a lower hanging beam based on Revit and Dynamo, as shown in FIG. 4, the method includes the following steps:
s0, defining a standard component library.
The method comprises the following steps: all standard components in the architectural design are defined for subsequent matching with the defined components after the corresponding information is identified.
According to the invention, the time required to be input for original manual identification can be greatly compressed, and the average manual identification time of a previous drawing is 40 minutes from the current implementation client; after automatic recognition is achieved, drawing recognition and inspection time is reduced to 11 seconds as an average value.
S1, acquiring all members comprising a door and a structural frame beam.
In the invention, the whole project is selected firstly, and the corresponding type name is put forward by using a node String from Object. And all the components including the door and the structural frame beam are obtained through the Select Model Elements node.
S2, automatically acquiring the position of the door opening.
According to the invention, the position of the door opening is automatically obtained through an element, getParameterValueByName node;
and S3, calculating the position of the lower hanging beam and the size of the lower hanging beam according to the position of the door opening.
The position of the lower hanging beam is the center line of the lower hanging beam, and the dimension of the lower hanging beam is the height a and the width c of the lower hanging beam.
And S4, automatically generating a lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of the lower hanging beam family.
The method comprises the following steps: the underbeam entity is created by the "structuralframe.
The method can automatically find the door opening, automatically generate the lower hanging beam according to the position of the door opening, completely replace the manual deepening of the lower hanging beam, well solve the problems of low manual deepening efficiency, inaccuracy and easy error, realize batch operation and save deepening cost.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. The specification and example embodiments are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (7)
1. A method for automatically generating a lower hanging beam based on Revit and Dynamo, which is characterized by comprising the following steps:
s1, acquiring all members comprising a door and a structural frame beam through a Select Model Elements node;
s2, automatically acquiring the position of a door opening through an element, getParameterValueByName node;
s3, calculating the position of the lower hanging beam and the size of the lower hanging beam according to the position of the door opening;
s4, automatically generating a lower hanging beam entity according to the position of the lower hanging beam, the size of the lower hanging beam and the name of the lower hanging beam family;
the step 2 of automatically acquiring the position of the door opening through the 'element. GetParameterValueByName' node is specifically as follows:
s21, creating a straight line above the origin of the door component, and judging whether the intersected door component and the structural frame beam component exist or not;
s22, acquiring crossed door members and structural frame beam members to determine the position of a door opening;
creating a straight line above the origin of the door component, and judging whether the intersected door component and the structural frame beam component exist or not specifically comprises the following steps:
s211, connecting the original point coordinate of the door component through a line. ByStartPointEndPoint node, translating the door component towards the z-axis direction according to a given distance through a geometry. Transfer node, and forming a straight line with the translated coordinate by the original point coordinate;
s212, judging whether the structural frame beam member is intersected with the straight line through a node of geometry, doesInterselect, and if so, returning to the intersected door member and structural frame member; otherwise, returning to the empty list;
the S22 is to acquire the crossed door component and the structural frame beam component so as to determine the position of the door opening specifically as follows:
s221, acquiring the door component returned in the step S212 through a 'List. GetItemAtIndex' node;
s222, acquiring the width a and the height c of the gate member through an element.
2. The method for automatically generating the lower hanging beam according to claim 1, wherein the step S3 of calculating the position of the lower hanging beam according to the position of the door opening is specifically: and determining the central line of the lower hanging beam according to the position of the door opening.
3. The method for automatically generating the lower hanging beam according to claim 1, wherein the step S3 of calculating the size of the lower hanging beam according to the position of the door opening specifically comprises: and determining the height a and the width c of the lower hanging beam according to the position of the door opening.
4. The method for automatically generating a bottom wall hanger according to claim 2, wherein determining a centerline of the bottom wall hanger based on the location of the door opening comprises:
s311, acquiring the original point position coordinate of a door component, translating the door component towards the z-axis direction according to a given distance c+h through a geometry. Translate node, and acquiring the position coordinate of the lower hanging beam after translation;
s312, respectively translating the position coordinates of the lower hanging beam line twice through a geometry. Translate node, wherein the translation distance is L=a/2+100;
s313, a straight line is created between the two translated coordinate points through the section of 'line. ByStartPointEndPoint', and then the line segment is the center line of the lower hanging beam.
5. The method for automatically generating a bottom bracket according to claim 3, wherein the determining the height and width of the bottom bracket according to the position of the door opening specifically comprises:
s321, obtaining the distance x between a door component and a structural frame beam component through a node of geometry, distance to, wherein c represents the height of the door, and h represents the height of a lower hanging beam;
s322, obtaining the wall thickness of the main body of the door component through the "family instance.
6. The method of automatically generating an under-hanging beam according to claim 1, wherein the under-hanging beam family name is named by size, i.e. family name= "under-hanging beam" + "b" x "h".
7. The method of automatically generating an underbeam according to claim 1, characterized in that it further comprises defining a library of standard components, in particular: all standard components in the architectural design are defined for subsequent matching with the defined components after the corresponding information is identified.
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| CN111475879A (en) * | 2020-03-25 | 2020-07-31 | 青岛腾远设计事务所有限公司 | Method and device for generating building entrance to a cave lintel based on BIM technology |
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| CN115186322A (en) * | 2022-09-13 | 2022-10-14 | 合肥坤颐建筑科技合伙企业(有限合伙) | Cross beam generation method, device, equipment and storage medium |
| CN115587412A (en) * | 2022-10-19 | 2023-01-10 | 中国建筑第五工程局有限公司 | Light wood structure wall frame modeling and calculating method based on Rhino Inside Revit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220391553A1 (en) * | 2021-06-06 | 2022-12-08 | Purdue Research Foundation | Building information modeling systems and methods |
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| CN111475879A (en) * | 2020-03-25 | 2020-07-31 | 青岛腾远设计事务所有限公司 | Method and device for generating building entrance to a cave lintel based on BIM technology |
| CN113656863A (en) * | 2021-07-22 | 2021-11-16 | 上海市城市建设设计研究总院（集团）有限公司 | BIM (building information modeling) lintel generation method based on inventory item |
| CN115186322A (en) * | 2022-09-13 | 2022-10-14 | 合肥坤颐建筑科技合伙企业(有限合伙) | Cross beam generation method, device, equipment and storage medium |
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