CN110807213A - Method and related device for constructing three-dimensional BIM model elevation map - Google Patents
Method and related device for constructing three-dimensional BIM model elevation map Download PDFInfo
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Abstract
The application discloses a method and a related device for constructing a three-dimensional BIM model elevation, which comprise the following steps: acquiring a first tile block from a CAD file, wherein the first tile block comprises at least one first primitive; determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element; obtaining at least one member associated with the at least one first primitive from a BIM member database; and processing the at least one component according to the feature data set to obtain a BIM (building information modeling) model elevation corresponding to the first image block. By implementing the embodiment of the invention, the drawing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method and a related device for constructing a three-dimensional BIM model elevation map.
Background
In the construction industry, Computer Aided Design (CAD) and Building Information Modeling (BIM) are 1 very important drawing software. Therefore, architects often need to use drawings drawn by CAD as well as drawings drawn by BIM.
Generally, a design institute needs to draw drawings of the same building by using a CAD and a BIM respectively, so that the drawings can be conveniently checked by an architect. Therefore, in the prior art, the drawing drawn by the BIM cannot be constructed based on the drawing drawn by the CAD, so that drawing can only be performed manually, and the drawing efficiency is low in such a mode.
Disclosure of Invention
The embodiment of the invention provides a method and a related device for constructing a three-dimensional BIM model elevation, and solves the problem that a drawing drawn by BIM drawing software cannot be constructed on the basis of a drawing drawn by CAD drawing software, and the drawing efficiency is improved.
The first aspect of the embodiments of the present invention provides a method for constructing a three-dimensional BIM model elevation, including:
acquiring a first tile block from a CAD file, wherein the first tile block comprises at least one first primitive;
determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element;
obtaining at least one member associated with the at least one first primitive from a BIM member database;
and processing the at least one component according to the feature data set to obtain a BIM (building information modeling) model elevation corresponding to the first image block.
A second aspect of an embodiment of the present invention provides a server, including:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a first picture block from a CAD file, and the first picture block comprises at least one first primitive;
a determining module, configured to determine, according to the CAD file, a feature data set corresponding to the first tile, where the feature data set includes feature data corresponding to each first primitive in the at least one first primitive;
a second obtaining module, configured to obtain at least one component associated with the at least one first primitive from a BIM component database;
and the processing module is used for processing the at least one component according to the characteristic data set so as to obtain a BIM model elevation map corresponding to the first image block.
A third aspect of embodiments of the present invention provides an electronic device for building a three-dimensional BIM model facade comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are generated as instructions for execution by the processor to perform the steps of the method of any one of the first aspect of the claims.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium for storing a computer program for execution by a processor to perform the method of any one of the first aspect of the claims.
It can be seen that, in the above technical solution, a first tile block is obtained from a CAD file, where the first tile block includes at least one first primitive; determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element; obtaining at least one member associated with the at least one first primitive from a BIM member database; and processing the at least one component according to the characteristic data set to obtain a BIM model elevation corresponding to the first image block, so that the problem that the drawing drawn by the BIM drawing software cannot be constructed on the basis of the drawing drawn by the CAD drawing software is solved, and the drawing efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic flowchart of a method for constructing a three-dimensional BIM model elevation according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of another method for constructing an elevation of a three-dimensional BIM model according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a server according to an embodiment of the present invention;
fig. 4 is a schematic server structure diagram of a hardware operating environment according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following are detailed below.
The terms "first," "second," and "third" in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Referring first to fig. 1, fig. 1 is a schematic flow chart of a method for constructing a three-dimensional BIM model elevation according to an embodiment of the present invention, which may include, but is not limited to, the following steps:
101. the method comprises the steps that a server obtains a first picture block from a CAD file, wherein the first picture block comprises at least one first primitive;
the CAD file comprises at least one drawing adopting CAD drawing, the format of the CAD file is DWG format, and DWG is a proprietary file format used for computer aided design and software based on the computer aided design to save design data.
The graphic elements are graphic data in computer aided design, namely, entities visible on an interface of the computer aided design. Such as straight lines, circles, triangles, dashed lines, etc. Further, a tile is a set of primitives formed by at least one primitive. For example, a wall made of straight lines or the like and belonging to a CAD file.
Wherein the at least one first primitive may be, for example, a line, a circle, a triangle, a dashed line, etc. The first tile is a set of primitives formed by the at least one first primitive.
102. The server determines a feature data set corresponding to the first image block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first image element in the at least one first image element;
the feature data corresponding to each first primitive in the at least one first primitive is the size of each first primitive, and further, the size of each first primitive is determined according to the shape class corresponding to each first primitive.
For example, the first primitive is a circle, and then the size of the first primitive is a radius and a height; the first primitive is a straight line, then the size of the first primitive is length, etc.
Optionally, in a possible implementation, the determining, according to the CAD file, the feature data set corresponding to the first tile block includes: determining at least one drawing title bar corresponding to the at least one drawing according to the CAD file; determining a first drawing where the first drawing block is located according to the at least one drawing title bar; detecting the position of the at least one first graphic element in the first graphic block on the first drawing to obtain position information corresponding to each first graphic element in the at least one first graphic element; and acquiring the feature data set according to the position information corresponding to each first graphic element in the at least one first graphic element.
Wherein, the determining the first drawing where the first drawing block is located according to the at least one drawing title bar comprises: extracting at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; and determining the first drawing where the first image block is located according to the at least one piece of first attribute data.
Wherein the attribute data is a title name in a title column of the drawing. For example, the drawing title bar may include a drawing name, a change document number, a signature, approval, process, material marking and proportions, and the like.
The preset attribute data set comprises a plurality of preset attribute data, and each preset attribute data is a synonym, a similar synonym or a sentence with the same meaning of a graph name. Such as a picture name, a drawing name, etc.
Further, acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar, including: and determining at least one first attribute data which is semantically the same as any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title column in the at least one drawing title column.
Wherein the obtaining the feature data set according to the position information corresponding to each first primitive in the at least one first primitive comprises: and determining feature data associated with each first primitive in the at least one first primitive according to the position information corresponding to each first primitive in the at least one first primitive to obtain the feature data set.
It can be seen that, in the above scheme, at least one drawing title bar corresponding to the at least one drawing is determined according to the CAD file; determining a first drawing where the first drawing block is located according to the at least one drawing title bar; detecting the position of the at least one first graphic element in the first graphic block on the first drawing to obtain position information corresponding to each first graphic element in the at least one first graphic element; the characteristic data set is obtained according to the position information corresponding to each first graphic primitive in the at least one first graphic primitive, and the drawing where the graphic blocks are located is determined according to the drawing title bar, so that the position determination of the graphic primitives on the drawing is accelerated, and the efficiency of obtaining the characteristic data set is improved.
103. The server acquires at least one component associated with the at least one first primitive from a BIM component database;
optionally, in a possible implementation, the obtaining, from the BIM building block database, at least one building block associated with the at least one first primitive includes: determining the shape class of each first primitive in the at least one first primitive; analyzing the arrangement rule among the primitives with the same shape category according to the determination result; and when the arrangement rule is matched with any preset arrangement rule in a preset arrangement rule set, acquiring the at least one component from the BIM component database according to the arrangement rule.
The preset arrangement rule set comprises a plurality of preset arrangement rules, and each preset arrangement rule corresponds to one component. Further, each preset arrangement rule is associated with an entity, and the entity may include a pillar, a wall, a window, and the like.
For example, some primitives are straight lines, and the arrangement rules of the primitives are matched with the arrangement rules of the pillars, so that the component is a cuboid corresponding to the pillars.
It can be seen that, in the above technical solution, the shape class to which each first primitive in the at least one first primitive belongs is determined; analyzing the arrangement rule among the primitives with the same shape category according to the determination result; when the arrangement rule is matched with any one preset arrangement rule in the preset arrangement rule set, the at least one component is obtained from the BIM component database according to the arrangement rule, so that the component can be quickly determined according to the arrangement rule, and the construction efficiency of the three-dimensional BIM model elevation map is improved.
104. The server processes the at least one component according to the feature data set to obtain a BIM model elevation map corresponding to the first image block;
it can be seen that, in the above technical solution, a first tile block is obtained from a CAD file, where the first tile block includes at least one first primitive; determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element; obtaining at least one component associated with the first tile from a BIM component database; and processing the at least one component according to the characteristic data set to obtain a BIM model elevation corresponding to the first image block, so that the problem that the drawing drawn by the BIM drawing software cannot be constructed on the basis of the drawing drawn by the CAD drawing software is solved, and the drawing efficiency is improved.
Referring to fig. 2, fig. 2 is a schematic flow chart of another method for constructing a three-dimensional BIM model elevation according to an embodiment of the present invention, where the CAD file includes at least one drawing, and the obtaining a first drawing block from the CAD file includes:
201. the server acquires identification data corresponding to the first image block;
the identification data is used to represent an entity corresponding to the first tile, for example, the entity corresponding to the first tile is a wall. Further, the identification data may be, for example, a name of the entity.
202. The server detects whether a second image block identified by the identification data exists in the CAD file;
if not, go to step 203;
further, in a possible embodiment, the method further includes: if yes, all the primitives included in the second image block are obtained; setting the second tile as the first tile upon detecting that all primitives included in the second tile match the at least one first primitive.
203. The server determines at least one drawing title bar corresponding to the at least one drawing according to the CAD file;
in a possible implementation manner, the determining, according to the CAD file, at least one drawing title bar corresponding to the at least one drawing includes: acquiring at least one primitive with the primitive size same as the standard primitive size from the CAD file; for each primitive of the at least one primitive, performing the following steps, including: when detecting that other primitives with primitive sizes smaller than the primitive currently processed exist in the primitive currently processed, determining the primitive currently processed as a drawing; retrieving fields included in the currently processed primitive according to the determination result; when a field included in the currently processed primitive is matched with any field in a preset field set, acquiring the position of the field included in the currently processed primitive; and determining a drawing title bar corresponding to the currently processed graphic element according to the position of the field included in the currently processed graphic element.
The field comprises a title name in a drawing title column or information related to the title name. For example, the drawing title bar may include a drawing name, a change document number, a signature, approval, process, material marking and proportions, and the like. Further, as shown in Table 1,
TABLE 1 title name or information associated with title name
It can be seen that the information associated with the graph name is, for example, xx cell 15 floor plan, the information associated with the scale is 1:1, and the information associated with the signature is decimal.
The preset field set comprises a plurality of preset fields, and is extracted according to the title name in the title bar of the drawing or information related to the title name.
It can be seen that, in the above technical solution, at least one primitive with a primitive size that is the same as the standard primitive size is obtained from the CAD file; for each primitive of the at least one primitive, performing the following steps, including: when detecting that other primitives with primitive sizes smaller than the primitive currently processed exist in the primitive currently processed, determining the primitive currently processed as a drawing; retrieving fields included in the currently processed primitive according to the determination result; when a field included in the currently processed primitive is matched with any field in a preset field set, acquiring the position of the field included in the currently processed primitive; the drawing title bar corresponding to the currently processed graphic element is determined according to the position of the field included in the currently processed graphic element, so that the drawing title bar is determined based on the CAD file, and the drawing title bar is determined according to the title name included in the drawing title bar or the information related to the title name, and the determination efficiency of the drawing title bar is improved.
204. The server determines a first drawing where the first drawing block is located according to the at least one drawing title bar;
optionally, in a possible implementation manner, the determining, according to the at least one drawing title bar, the first drawing in which the first drawing block is located includes: extracting at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; and determining the first drawing where the first image block is located according to the at least one piece of first attribute data.
Wherein the attribute data is a title name in a title column of the drawing. For example, the drawing title bar may include a drawing name, a change document number, a signature, approval, process, material marking and proportions, and the like.
The preset attribute data set comprises a plurality of preset attribute data, and each preset attribute data is a synonym, a similar synonym or a sentence with the same meaning of a graph name. Such as a picture name, a drawing name, etc.
Further, acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar, including: and determining at least one first attribute data which is semantically the same as any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title column in the at least one drawing title column.
It can be seen that, in the above technical solution, at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar is extracted; acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; and determining the first drawing where the first image block is located according to the at least one piece of first attribute data, so that the drawing where the image block is located is determined based on the drawing title bar, and the image block position determining efficiency is improved.
205. The server acquires all the primitives in the first drawing to obtain a plurality of primitives;
206. the server determines the at least one first primitive according to the plurality of primitives;
207. and the server acquires the first image block corresponding to the at least one first primitive.
Optionally, in a possible implementation manner, the obtaining the first tile corresponding to the at least one first primitive includes: acquiring any one primitive from the at least one first primitive to obtain a second primitive; when detecting the tile block associated with the second primitive, acquiring the tile block associated with the second primitive to obtain a third tile block, determining all the primitives which do not include the currently processed primitive in the third tile block to obtain at least one third primitive, and when any of the at least one third primitive is not associated with any tile other than the third tile, obtaining all primitives from the plurality of primitives except for a currently processed primitive to obtain at least one fourth primitive, when detecting that a fifth primitive exists in the at least one fourth primitive, recording the image blocks of each primitive except the primitive which is the same as the fifth primitive in the plurality of primitives, and determining the first image block corresponding to the at least one first primitive according to the recording result, wherein the layer where the fifth primitive is located is a default layer in the CAD file.
It can be seen that, in the above technical solution, the determination of the first image block is realized, and preparation is made for the construction of the subsequent three-dimensional BIM model elevation map.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a server according to an embodiment of the present invention. As shown in fig. 3, the server 300 includes:
a first obtaining module 301, configured to obtain a first tile from a CAD file, where the first tile includes at least one first primitive;
the CAD file comprises at least one drawing adopting CAD drawing, the format of the CAD file is DWG format, and DWG is a proprietary file format used for computer aided design and software based on the computer aided design to save design data.
The graphic elements are graphic data in computer aided design, namely, entities visible on an interface of the computer aided design. Such as straight lines, circles, triangles, dashed lines, etc. Further, a tile is a set of primitives formed by at least one primitive. For example, a wall made of straight lines or the like and belonging to a CAD file.
Wherein the at least one first primitive may be, for example, a line, a circle, a triangle, a dashed line, etc. The first tile is a set of primitives formed by the at least one first primitive.
Optionally, the first obtaining module is specifically configured to obtain identification data corresponding to the first image block, where the at least one drawing is included in the CAD file; detecting whether a second image block identified by the identification data exists in the CAD file; if not, determining at least one drawing title bar corresponding to the at least one drawing according to the CAD file; determining a first drawing where the first drawing block is located according to the at least one drawing title bar; acquiring all the primitives in the first drawing to obtain a plurality of primitives; determining the at least one first primitive from the plurality of primitives; and acquiring the first tile block corresponding to the at least one first primitive.
The identification data is used to represent an entity corresponding to the first tile, for example, the entity corresponding to the first tile is a wall. Further, the identification data may be, for example, a name of the entity.
Optionally, the first obtaining module is specifically configured to extract at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar; and determining the first drawing where the first image block is located according to the at least one piece of first attribute data.
Wherein the attribute data is a title name in a title column of the drawing. For example, the drawing title bar may include a drawing name, a change document number, a signature, approval, process, material marking and proportions, and the like.
The preset attribute data set comprises a plurality of preset attribute data, and each preset attribute data is a synonym, a similar synonym or a sentence with the same meaning of a graph name. Such as a picture name, a drawing name, etc.
Optionally, the first obtaining module is specifically configured to obtain any one primitive from the at least one first primitive to obtain a second primitive; when detecting the tile block associated with the second primitive, acquiring the tile block associated with the second primitive to obtain a third tile block, determining all the primitives which do not include the currently processed primitive in the third tile block to obtain at least one third primitive, and when any of the at least one third primitive is not associated with any tile other than the third tile, obtaining all primitives from the plurality of primitives except for a currently processed primitive to obtain at least one fourth primitive, when detecting that a fifth primitive exists in the at least one fourth primitive, recording the image blocks of each primitive except the primitive which is the same as the fifth primitive in the plurality of primitives, and determining the first image block corresponding to the at least one first primitive according to the recording result, wherein the layer where the fifth primitive is located is a default layer in the CAD file.
Optionally, the first obtaining module is further configured to, if yes, obtain all primitives included in the second tile block; setting the second tile as the first tile upon detecting that all primitives included in the second tile match the at least one first primitive.
A determining module 302, configured to determine, according to the CAD file, a feature data set corresponding to the first tile, where the feature data set includes feature data corresponding to each first primitive in the at least one first primitive;
the feature data corresponding to each first primitive in the at least one first primitive is the size of each first primitive, and further, the size of each first primitive is determined according to the shape class corresponding to each first primitive.
For example, the first primitive is a circle, and then the size of the first primitive is a radius and a height; the first primitive is a straight line, then the size of the first primitive is length, etc.
Optionally, the determining module is specifically configured to determine, according to the CAD file, at least one drawing title bar corresponding to the at least one drawing; determining a first drawing where the first drawing block is located according to the at least one drawing title bar; detecting the position of the at least one first graphic element in the first graphic block on the first drawing to obtain position information corresponding to each first graphic element in the at least one first graphic element; and acquiring the feature data set according to the position information corresponding to each first graphic element in the at least one first graphic element.
A second obtaining module 303, configured to obtain at least one component associated with the at least one first primitive from a BIM component database;
a processing module 304, configured to process the at least one component according to the feature data set to obtain a BIM model elevation corresponding to the first tile block.
Referring to fig. 4, fig. 4 is a schematic diagram of a server structure of a hardware operating environment according to an embodiment of the present application. As shown in fig. 4, a server of a hardware operating environment according to an embodiment of the present application may include:
a processor 401, such as a CPU.
The memory 401 may be a high-speed RAM memory, or may alternatively be a stable memory, such as a disk memory.
A communication interface 402 for implementing connection communication between the processor 401 and the memory 401.
Those skilled in the art will appreciate that the configuration of the server shown in fig. 4 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 4, the memory 401 may include therein an operating system, a network communication module, and a program for information processing. The operating system is a program that manages and controls server hardware and software resources, a program that supports personnel management, and the execution of other software or programs. The network communication module is used for realizing communication among the components in the memory 401 and communication with other hardware and software in the server.
In the server shown in fig. 4, the processor 401 is configured to execute the program for migrating information stored in the memory 401, and implement the following steps: acquiring a first tile block from a CAD file, wherein the first tile block comprises at least one first primitive; determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element; obtaining at least one member associated with the at least one first primitive from a BIM member database; and processing the at least one component according to the feature data set to obtain a BIM (building information modeling) model elevation corresponding to the first image block.
For specific implementation of the server related to the present application, reference may be made to the above embodiments of the method for constructing a three-dimensional BIM model elevation, which are not described herein again.
The present application further provides a computer readable storage medium for storing a computer program, the stored computer program being executable by the processor to perform the steps of: acquiring a first tile block from a CAD file, wherein the first tile block comprises at least one first primitive; determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element; obtaining at least one member associated with the at least one first primitive from a BIM member database; and processing the at least one component according to the feature data set to obtain a BIM (building information modeling) model elevation corresponding to the first image block.
For specific implementation of the computer-readable storage medium related to the present application, reference may be made to the above embodiments of the method for constructing a three-dimensional BIM model elevation, which are not described herein again.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or modules through some interfaces, and may be in an electrical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for constructing a three-dimensional BIM model elevation map is characterized by comprising the following steps:
acquiring a first tile block from a CAD file, wherein the first tile block comprises at least one first primitive;
determining a feature data set corresponding to the first graphic block according to the CAD file, wherein the feature data set comprises feature data corresponding to each first graphic element in the at least one first graphic element;
obtaining at least one member associated with the at least one first primitive from a BIM member database;
and processing the at least one component according to the feature data set to obtain a BIM (building information modeling) model elevation corresponding to the first image block.
2. The method of claim 1, wherein the CAD file comprises at least one drawing, and wherein obtaining the first tile from the CAD file comprises:
acquiring identification data corresponding to the first image block;
detecting whether a second image block identified by the identification data exists in the CAD file;
if not, determining at least one drawing title bar corresponding to the at least one drawing according to the CAD file;
determining a first drawing where the first drawing block is located according to the at least one drawing title bar;
acquiring all the primitives in the first drawing to obtain a plurality of primitives;
determining the at least one first primitive from the plurality of primitives;
and acquiring the first tile block corresponding to the at least one first primitive.
3. The method of claim 2, wherein determining the first drawing on which the first tile is located according to the at least one drawing title bar comprises:
extracting at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar;
acquiring at least one first attribute data matched with any one preset attribute data in a preset attribute data set according to at least one attribute data corresponding to each drawing title bar in the at least one drawing title bar;
and determining the first drawing where the first image block is located according to the at least one piece of first attribute data.
4. The method of claim 2, wherein said obtaining the first tile corresponding to the at least one first primitive comprises:
acquiring any one primitive from the at least one first primitive to obtain a second primitive;
when detecting the tile block associated with the second primitive, acquiring the tile block associated with the second primitive to obtain a third tile block, determining all the primitives which do not include the currently processed primitive in the third tile block to obtain at least one third primitive, and when any of the at least one third primitive is not associated with any tile other than the third tile, obtaining all primitives from the plurality of primitives except for a currently processed primitive to obtain at least one fourth primitive, when detecting that a fifth primitive exists in the at least one fourth primitive, recording the image blocks of each primitive except the primitive which is the same as the fifth primitive in the plurality of primitives, and determining the first image block corresponding to the at least one first primitive according to the recording result, wherein the layer where the fifth primitive is located is a default layer in the CAD file.
5. The method of claim 2, further comprising:
if yes, all the primitives included in the second image block are obtained;
setting the second tile as the first tile upon detecting that all primitives included in the second tile match the at least one first primitive.
6. The method according to any one of claims 1-5, wherein the determining the feature dataset corresponding to the first tile from the CAD file comprises:
determining at least one drawing title bar corresponding to the at least one drawing according to the CAD file;
determining a first drawing where the first drawing block is located according to the at least one drawing title bar;
detecting the position of the at least one first graphic element in the first graphic block on the first drawing to obtain position information corresponding to each first graphic element in the at least one first graphic element;
and acquiring the feature data set according to the position information corresponding to each first graphic element in the at least one first graphic element.
7. A server, comprising:
the system comprises a first acquisition module, a second acquisition module and a third acquisition module, wherein the first acquisition module is used for acquiring a first picture block from a CAD file, and the first picture block comprises at least one first primitive;
a determining module, configured to determine, according to the CAD file, a feature data set corresponding to the first tile, where the feature data set includes feature data corresponding to each first primitive in the at least one first primitive;
a second obtaining module, configured to obtain at least one component associated with the at least one first primitive from a BIM component database;
and the processing module is used for processing the at least one component according to the characteristic data set so as to obtain a BIM model elevation map corresponding to the first image block.
8. The server according to claim 7, wherein the CAD file includes at least one drawing, and the first obtaining module is specifically configured to obtain identification data corresponding to the first drawing block; detecting whether a second image block identified by the identification data exists in the CAD file; if not, determining at least one drawing title bar corresponding to the at least one drawing according to the CAD file; determining a first drawing where the first drawing block is located according to the at least one drawing title bar; acquiring all the primitives in the first drawing to obtain a plurality of primitives; determining the at least one first primitive from the plurality of primitives; and acquiring the first tile block corresponding to the at least one first primitive.
9. An electronic device for constructing three-dimensional BIM model elevation maps, comprising a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and generated as instructions for execution by the processor to perform the steps of the method of any of claims 1-6.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium is used to store a computer program, which is executed by the processor, to implement the method of any of claims 1-6.
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