CN110633518A - BIM-based simple parameterized unit type curtain wall material classification statistical method - Google Patents
BIM-based simple parameterized unit type curtain wall material classification statistical method Download PDFInfo
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Abstract
The invention discloses a BIM-based simple parameterized unitized curtain wall material classification statistical method, wherein a self-adaptive metric system conventional model family is newly built in Revit, and 6 self-adaptive points are placed; connecting 6 self-adaptive points to generate an upper conventional model and a lower conventional model; in CAD, connecting the outline sidelines of the curtain wall into a closed curve; leading the curve into the elevation of the floor corresponding to Revit; splitting the curve according to the width of the curtain wall unit plate at Dynamo to obtain a plurality of coordinate points; combining two adjacent points on three adjacent closed curves in the vertical direction into a list to obtain a two-dimensional array with 6 coordinate points as a group; sequentially placing the two-dimensional arrays on the family, and generating a curtain wall unit plate in Revit; and counting the material, size and position of each curtain wall unit plate by using a detailed table counting function in Revit software, and deriving a statistical table. And adverse factors such as limitation of the Revit software on curtain wall modeling are solved.
Description
Technical Field
The invention relates to a BIM technology, in particular to a simple parameterized unitized curtain wall material classification statistical method based on BIM.
Background
At present, the traditional domestic method for classifying and counting the unitized curtain walls carries out engineering quantity accounting by manually referring to a two-dimensional CAD drawing, and the method has the defects of low efficiency, low accuracy and the like. And the design scheme is changed, the previously counted engineering quantity information becomes meaningless, and classification statistics needs to be carried out again.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a BIM-based simple parameterized unit type curtain wall material classification statistical method, which is a method for establishing a simple curtain wall unit plate model and exporting information such as materials and the like by a Revit + Dynamo visualized parameter programming simple modeling mode.
The technical scheme of the invention is as follows: a simple parameterized unit type curtain wall material classification statistical method based on BIM comprises the following steps:
newly building a self-adaptive metric system conventional model family in Revit software, and sequentially placing 6 self-adaptive points in the self-adaptive metric system conventional model family for placing the family;
connecting the 6 self-adaptive points by using model lines in sequence to generate an upper conventional model and a lower conventional model, and respectively endowing the two conventional models with different materials;
in CAD software, connecting the outline boundary lines of the curtain wall by using a multi-segment command to form a complete closed curve;
importing the closed curve drawn by the CAD software into the elevation of the floor corresponding to the Revit software;
opening a Dynamo function in the Revit software, picking up the closed curve under the Dynamo function, splitting the closed curve according to the width of a curtain wall unit plate, and obtaining a plurality of coordinate points;
combining two adjacent coordinate points on three closed curves adjacent in the vertical direction into a list, and performing row-column replacement to obtain a two-dimensional array with 6 coordinate points as a group;
sequentially placing the obtained two-dimensional arrays on the self-adaptive metric system conventional model family, and generating a curtain wall unit plate on a Revit software interface;
numbering the generated curtain wall unit plates;
and counting the material, size and position of each curtain wall unit plate by using a detailed table counting function in Revit software, and deriving a statistical table.
In a further development of the invention, after deriving the statistical table, the method further comprises the steps of: and using the material and size information of the curtain wall unit plate in the statistical table for subsequent processing and manufacturing and entrance time control analysis.
In a further development of the invention, after deriving the statistical table, the method further comprises the steps of: and (4) utilizing the position information of the curtain wall unit plate in the statistical table in combination with a three-dimensional scanning technology to carry out installation and acceptance inspection on the finished project.
The invention is further improved in that the step of importing the closed curve drawn by the CAD software into the corresponding floor elevation of the Revit software comprises the following steps: and importing the closed curve drawn by the CAD software into Revit software, and placing the closed curve at the elevation position of the corresponding floor curtain wall in the Revit software.
A further improvement of the invention is that the 6 adaptation points placed in the family of adaptive metric conventional models are arranged in three rows and two columns.
The further improvement of the invention is that the step of connecting 6 self-adaptive points by model lines in sequence to generate an upper and a lower conventional models is as follows: and connecting two adjacent self-adaptive points in the vertical direction and the transverse direction by using model lines, wherein 7 model lines are connected to form an upper rectangular wire frame and a lower rectangular wire frame, and each wire frame is generated into a conventional model.
The invention has the further improvement that after the upper and lower conventional models are generated, the two conventional models are respectively endowed with different materials.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
compared with a modeling method of more than 16 self-adaptive points in the traditional Revit software and the operational complexity of the Catia software, the method adopts a visual parameter programming method of Revit + Dynamo, and simply selects 6 self-adaptive points as positioning points of the curtain wall unit plate. The purpose of modeling of the method is not to obtain a model of the depth of the processing image, but to classify and count the information such as the material, the size, the position and the like of the curtain wall unit plate. The material size can be used for further deep processing material purchase, and the position information can be matched with a three-dimensional scanning technology to check and accept the finished project.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic distribution diagram of 6 adaptive points in a simple parameterized unitized curtain wall material classification statistical method based on BIM according to an embodiment of the present invention.
Fig. 2 is a schematic distribution diagram of an upper conventional model and a lower conventional model in a simple parameterized unitized curtain wall material classification statistical method based on BIM according to an embodiment of the present invention.
Fig. 3 is a schematic distribution diagram of three boundary line profile curves of a curtain wall in a simple parameterized unit type curtain wall material classification statistical method based on BIM according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating generation of a curtain wall unit plate in a simple parameterized unit curtain wall material classification statistical method based on BIM according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
When Revit is used for manufacturing the curtain wall with high curved surface fitting degree, the number of self-adaptive points is required to be increased, generally, the number of the self-adaptive points is more than 16 or 25, the more dense the self-adaptive points are, the higher the fitting degree is, the problem that the special-shaped curved surface in software cannot be tiled can be solved after the self-adaptive points are increased, gaps can be reduced by modifying the self-adaptive thickness, and the gaps can also be reduced by increasing grid separation. But the model can be done, the grid data is changed, and the modeling significance is lost.
Mainstream curtain wall modeling software at the present stage mainly comprises three types, namely Revit, Rhino and Catia, and has respective limitations.
Revit currently uses the most widely used modeling software in China, but has limitations. For example, there is a certain limitation when Revit draws a curved curtain wall, which sometimes indicates that creation cannot be performed, and the part that cannot be created must be deleted: if the thickness of the lower curtain wall is properly changed or the curved surface is properly changed, a relatively complete curved curtain wall can be directly created. Therefore, the special-shaped curved surface has general expression capability.
The Rhino has strong three-dimensional space curved surface modeling capability relative to Revit and has the capability of building complex special-shaped space curved surfaces, but is mostly used in the project scheme design stage. The model information bearing capacity is far inferior to software such as revit and the like. The method is not enough in the deepening design stage or the construction stage of project construction.
Aerospace modeling software developed by Catia France Dasuo is developed to become a good tool for modeling a special-shaped component in the building field. The method has the capability of modeling the curtain wall with the depth of a processing diagram, and some domestic large companies have the capability of directly processing the model, such as the upper transverse section of a unit plate, storing the upper transverse section into an intermediate format, guiding the upper transverse section into a numerical control machine, and realizing cutting, drilling, mouth milling and the like.
The method is mainly used in the project construction stage, adopts a visual parameter programming modeling mode of Revit + Dynamo, not only solves the problems of limitation of Revit software on curtain wall modeling and other adverse factors, but also can utilize the powerful detail table derivation function to carry out classification statistics on curtain wall materials, sizes, numbers and positions for the next processing and material purchasing.
Referring to fig. 1, the embodiment of the invention provides a simple parameterized unit type curtain wall material classification statistical method based on BIM, which is used in a project construction stage, and adopts a Revit + Dynamo visualized parameter programming modeling mode, so that not only are adverse factors such as limitation of Revit software on curtain wall modeling solved, but also classification statistics of curtain wall materials, sizes, numbers and positions can be performed by using a strong detail table derivation function, and the classification statistical method is used for next processing and material purchasing.
Revit in the embodiment of the invention completely integrates Dynamo graphical programming interfaces suitable for computational design and is installed along with Revit, so that the powerful functions of Revit API can be more easily and fully utilized. A Dynamo starting button can be found on a Revit management panel, a Dynamo software starting interface can be seen by clicking a command to start Dynamo, the Dynamo interface is entered, and the visualization parameters of Dynamo are used for programming a modeling function. Revit + Dynamo is prior art, and Revit2017 has Dynamo function.
Specifically, the simple parameterized unit type curtain wall material classification statistical method based on BIM of the embodiment of the invention mainly comprises the following steps:
step 1: an adaptive metric conventional model family is newly created in Revit, and 6 adaptive points (1, 2, 3, 4, 5 and 6) as shown in the attached figure 1 are sequentially placed in the family for placing the family in the project. Connecting the 6 self-adaptive points by model lines in sequence, respectively generating an upper conventional model and a lower conventional model as shown in figure 2, and respectively endowing the two models with different materials (such as glass, GRC, metal plates, thousand fiber plates and the like) according to projects.
Step 2: in CAD drawing software, the curtain wall contour lines are connected by multi-segment commands to form a complete closed curve.
And step 3: and importing the CAD drawing into the elevation of the floor corresponding to Revit. In Dynamo, the profile curve is picked up with a "select model element" node, as shown in fig. 3. The curve is split according to the width of the curtain wall unit plate by using a node of 'cut. point attachment Length' and 'a point on the segment Length of the curve', and a plurality of coordinate points are obtained.
And 4, step 4: and (4) copying the curves to corresponding elevations in sequence, splitting the curves according to the step (3) and obtaining corresponding coordinate points.
And 5: create node, merge the adjacent points on three curves in vertical direction into a list. And (4) performing row-column permutation by using 'list. Transpose' ('transposition list') to obtain a two-dimensional array with 6 coordinate points as a group.
Step 6: the Adaptive component point node is used to place the Adaptive curtain wall unit board family created in step 1, and the floor curtain wall unit board is generated in Revit, as shown in fig. 4.
And 7: and 6, repeating the step 6 to generate all the curtain wall unit plates of the project.
And 8: and numbering the generated curtain wall unit plates By using the element Parameter By name node.
And step 9: in Revit, a detail list counting function is utilized to count the material, size and position of each cell plate and derive an excel table.
Step 10: the information such as material, size and the like can be used for next processing and manufacturing and entrance time control analysis; and the position information can be combined with a three-dimensional scanning technology to carry out installation and acceptance inspection on the finished project.
The invention has the advantages that: compared with a modeling method of more than 16 self-adaptive points in the traditional Revit software and the operational complexity of the Catia software, the method adopts a visual parameter programming method of Revit + Dynamo, and simply selects 6 self-adaptive points as positioning points of the curtain wall unit plate. The purpose of modeling of the method is not to obtain a model of the depth of the processing image, but to classify and count the information such as the material, the size, the position and the like of the curtain wall unit plate. The material size can be used for further deep processing material purchase, and the position information can be matched with a three-dimensional scanning technology to check and accept the finished project.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A BIM-based simple parameterized unit type curtain wall material classification statistical method is characterized by comprising the following steps:
newly building a self-adaptive metric system conventional model family in Revit software, and sequentially placing 6 self-adaptive points in the self-adaptive metric system conventional model family for placing the family;
connecting the 6 self-adaptive points by model lines in sequence to generate an upper conventional model and a lower conventional model;
in CAD software, connecting the outline boundary lines of the curtain wall by using a multi-segment command to form a complete closed curve;
importing the closed curve drawn by the CAD software into the elevation of the floor corresponding to the Revit software;
opening a Dynamo function in the Revit software, picking up the closed curve under the Dynamo function, splitting the closed curve according to the width of a curtain wall unit plate, and obtaining a plurality of coordinate points;
combining two adjacent coordinate points on three closed curves adjacent in the vertical direction into a list, and performing row-column replacement to obtain a two-dimensional array with 6 coordinate points as a group;
sequentially placing the obtained two-dimensional arrays on the self-adaptive metric system conventional model family, and generating a curtain wall unit plate on a Revit software interface;
numbering the generated curtain wall unit plates;
and counting the material, size and position of each curtain wall unit plate by using a detailed table counting function in Revit software, and deriving a statistical table.
2. The BIM-based simple parameterized unit curtain wall material classification statistical method according to claim 1, further comprising the following steps after deriving the statistical table: and using the material and size information of the curtain wall unit plate in the statistical table for subsequent processing and manufacturing and entrance time control analysis.
3. The BIM-based simple parameterized unit curtain wall material classification statistical method according to claim 2, further comprising the step of, after deriving the statistical table: and (4) utilizing the position information of the curtain wall unit plate in the statistical table in combination with a three-dimensional scanning technology to carry out installation and acceptance inspection on the finished project.
4. The BIM-based simple parameterized unitized curtain wall material classification statistical method according to claim 1, wherein the step of importing the closed curve drawn by CAD software to the corresponding floor elevation of the Revit software comprises the steps of:
and importing the closed curve drawn by the CAD software into Revit software, and placing the closed curve at the elevation position of the corresponding floor curtain wall in the Revit software.
5. The BIM-based simple parameterized unitized curtain wall material classification statistical method of claim 1, wherein the 6 adaptive points placed in the adaptive metric conventional model family are arranged in three rows and two columns.
6. The BIM-based simple parameterized unit curtain wall material classification statistical method according to claim 5, wherein the step of sequentially connecting 6 adaptive points by model lines to generate two upper and lower conventional models is as follows:
and connecting two adjacent self-adaptive points in the vertical direction and the transverse direction by using model lines, wherein 7 model lines are connected to form an upper rectangular wire frame and a lower rectangular wire frame, and each wire frame is generated into a conventional model.
7. The BIM-based simple parameterized unit curtain wall material classification statistical method according to claim 1, wherein after the upper and lower conventional models are generated, different materials are respectively given to the two conventional models.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111339640A (en) * | 2020-02-12 | 2020-06-26 | 北京中外建建筑设计有限公司 | Automatic building parking space number creation method based on Revit plug-in Dynamo |
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| CN112906089A (en) * | 2021-02-07 | 2021-06-04 | 中国建筑第八工程局有限公司 | Method and system for rapidly counting number of CAD (computer-aided design) random closed curves |
| CN112860701A (en) * | 2021-03-01 | 2021-05-28 | 成都理工大学 | Non-modal frame data transmission system and method based on Revit |
| CN114722445A (en) * | 2022-06-08 | 2022-07-08 | 山东高速德建集团有限公司 | Rivers and Dynamo-based dangerous engineering identification method |
| CN115587495A (en) * | 2022-10-31 | 2023-01-10 | 中建三局集团(深圳)有限公司 | Linear curvature member modeling plug-in and method based on Revit platform |
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