CN110781542A - BIM model data processing method and device - Google Patents
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Abstract
The invention provides a BIM model data processing method and a device, wherein a BIM model file is divided into at least one minimum characteristic unit for bearing model information; acquiring the directory information of the file where the BIM model file is located, the BIM model file name and the feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information; generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit; converting the geometric features of the minimum feature unit into a feature file in a general file format; and naming the feature information of each minimum feature unit in the BIM model file and the feature file by the feature name, storing and outputting. Through carrying out relevance separation on the BIM and the data, the problems that the BIM is difficult to utilize and the association between the BIM and the model cannot be ensured are solved.
Description
Technical Field
The invention relates to the technical field of information model data processing, in particular to a BIM model data processing method and device.
Background
Building Information Modeling (BIM) technology is a datamation tool applied to engineering design, construction and management, and through Building datamation and informatization model integration, sharing and transmission are carried out in the whole life cycle process of project planning, operation and maintenance, so that engineering technicians can correctly understand and efficiently deal with various Building Information, a foundation for cooperative work is provided for design teams and all parties including construction and operation units, important functions are played in the aspects of improving production efficiency, saving cost and shortening construction period, and at present, more and more design units and construction enterprises adopt BIM technology to carry out project design and construction management.
The core of BIM is that through establishing a virtual three-dimensional model of the building engineering, the digital technology is utilized to provide complete building engineering information consistent with the actual situation for the model, the information comprises the geometric characteristics and professional attribute information of the description member, and the information integration degree of the building engineering is greatly improved by means of the three-dimensional model comprising the building engineering information.
BIM is a fusion technology of information and a three-dimensional model, the information is the core of the BIM, the model is a carrier of the information, and the cooperation of the information and the model occupies an important position in BIM application.
Currently, the common BIM software in the market includes more than 70 kinds, such as Revit, AECOsim, Tekla Structures, ArchiCAD, Digital Project, etc., each software has no unified file storage standard, and the BIM software has different support capabilities for various existing intermediate formats, so that the file format conversion is easy to cause great loss of engineering information, the incidence relation between a model and processed data cannot be guaranteed, and the use of BIM files across software is seriously influenced.
Disclosure of Invention
The present invention provides a BIM model data processing method, apparatus, electronic device and computer readable storage medium, which can at least partially solve the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a BIM model data processing method is provided, including:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring the directory information of the file where the BIM model file is located, the BIM model file name and the feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting.
Further, the BIM model file includes: a plurality of components, the component types being divided into individual components and components in an assembly, the partitioning of the BIM model file into at least one minimum feature unit carrying model information, comprising:
traversing all components in the BIM model file;
determining whether the current component is an individual component or a component in an assembly;
if the current component is an individual component, taking the individual component as a minimum feature unit;
if the current component is a component in an assembly, the assembly is treated as a minimum feature unit.
Further, generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit, and implementing by using the following formula:
wherein, T is the feature name, G is the standard compression algorithm, R is the system conversion algorithm, L is the system type, N is the number of character string connectors in the file directory information, Ki is the character information after the character string is divided after the file directory information is combined with the BIM model file name, and F is the ID information of the minimum feature unit.
Further, the standard compression algorithm is a GZIP algorithm, a BZIP2 algorithm, an LZO algorithm, an LZ4 algorithm, or a Snappy algorithm.
Further, the generic file format includes: FBX format, GLTF format, SAT format or XT format.
Further, naming, storing and outputting the feature information and the feature file of the minimum feature unit by the feature name includes:
and outputting the feature information of the minimum feature unit and the feature file to a server side for storage by taking a feature name as an index through a WEB interface of the server side.
Further, still include:
acquiring user input information through a WEB page of a server;
and modifying or adding the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
In a second aspect, a BIM model data processing apparatus is provided, which includes:
the file dividing module is used for dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
the information acquisition module acquires file directory information of the BIM model file, a BIM model file name and feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
the name generation module generates the feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
the file conversion module is used for converting the geometric characteristics of the minimum characteristic unit into a characteristic file in a general file format;
and the association output module is used for naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting the feature information and the feature file.
Further, the BIM model file includes: a plurality of components, the component types divided into individual components and components in an assembly, the file division module comprising:
the traversing unit is used for traversing all components in the BIM model file;
a judging unit that judges whether the current component is an individual component or a component in the assembly;
the first output unit is used for taking the independent component as a minimum characteristic unit if the current component is the independent component;
and the second output unit is used for taking the assembly as a minimum characteristic unit if the current component is the component in the assembly.
Further, the generic file format includes: FBX format, GLTF format, SAT format or XT format.
Further, the association output module includes:
and the correlation output unit is used for outputting the characteristic information and the characteristic file of the minimum characteristic unit to a server side for storage by taking the characteristic name as an index through a WEB interface of the server side.
Further, still include:
the user input acquisition module acquires user input information through a WEB page of a server;
and the updating module modifies or adds the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
In a third aspect, an electronic device is provided, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing when executing the program:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring the directory information of the file where the BIM model file is located, the BIM model file name and the feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and storing and outputting the feature name of the minimum feature unit and the feature file in an associated manner.
In a fourth aspect, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring the directory information of the file where the BIM model file is located, the BIM model file name and the feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and storing and outputting the feature name of the minimum feature unit and the feature file in an associated manner.
The invention provides a BIM (building information modeling) model data processing method, a BIM model data processing device, electronic equipment and a computer readable storage medium, wherein the method comprises the following steps: dividing the BIM model file into at least one minimum characteristic unit for bearing model information; acquiring the directory information of the file where the BIM model file is located, the BIM model file name and the feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including: ID information; generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit; converting the geometric features of the minimum feature unit into a feature file in a general file format; and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting the feature information and the feature file, wherein the BIM model and the data are subjected to relevance separation, so that the problem that the BIM data is difficult to utilize is solved, and the problem that the association between the BIM data and the model cannot be ensured is solved.
In addition, the converted feature files are named by adopting a specific naming mode, so that the problems that the common unique feature names cannot describe the model information in detail and cannot solve the problem of synchronization of information and model updating are solved.
In addition, user input information is acquired through a WEB page of a server, and the feature name of each minimum feature unit in the BIM model file and the feature file are modified or added according to the user input information, so that the problem of synchronous updating of the BIM is solved.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. In the drawings:
FIG. 1 is a first schematic flow chart of a BIM model data processing method according to an embodiment of the present invention;
FIG. 2 is a second flowchart illustrating a BIM data processing method according to an embodiment of the present invention;
fig. 3 shows the specific steps of step S100 in fig. 1 or fig. 2;
FIG. 4 is a block diagram showing the structure of a BIM model data processing apparatus according to an embodiment of the present invention;
FIG. 5 shows a specific structure of the file division module 10 in FIG. 4;
fig. 6 is a block diagram of an electronic device according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Currently, the common BIM software in the market includes more than 70 kinds, such as Revit, AECOsim, Tekla Structures, ArchiCAD, Digital Project, etc., each software has no unified file storage standard, and the BIM software has different support capabilities for various existing intermediate formats, so that the file format conversion is easy to cause a large amount of engineering information loss, the incidence relation between the model and the processed data cannot be ensured, and the use of the BIM files across the software is seriously influenced.
In order to at least partially solve the above technical problems in the prior art, embodiments of the present invention provide a BIM model data processing method, in which a BIM model is separated from data in association, a model file is derived into a plurality of files according to attribute definitions, and data is synchronously derived, and the data and the files maintain an association relationship, so that not only is a problem that the BIM data is difficult to use solved, but also a problem that association between the BIM data and the model cannot be guaranteed is solved.
Fig. 1 is a first schematic flow chart of a BIM model data processing method in an embodiment of the present invention. As shown in fig. 1, the BIM model data processing method may include the following:
step S100: and dividing the BIM model file into at least one minimum characteristic unit for bearing model information.
The minimum feature unit is an independent minimum information individual in the BIM, the minimum feature unit is an assembly or an independent component, and the assembly is formed by combining a plurality of components, such as a three-dimensional element, a three-dimensional unit, a three-dimensional element group and a two-dimensional symbol, a two-dimensional symbol unit, a two-dimensional element group and the like.
In particular, a component may exist as a stand-alone component if it can itself carry its professional attribute information as a stand-alone component, such as a generator; if the components cannot bear professional attributes independently, the components and other components form a construction set together to bear professional attributes, such as a generator set.
The minimum feature unit is utilized to effectively reduce the number of required processing models and maintain the original state of the models. If a large number of components are contained in the model, partial components are combined to form the assembly, the model is automatically identified as the minimum feature unit to acquire the overall attribute of the assembly, and the components in the assembly are not processed any more.
In terms of distance, a mechanical device is taken as a component, namely a minimum feature unit, and the mechanical device comprises a plurality of components such as valves, pipelines, main body parts and the like, wherein three-dimensional models of the valves, the pipelines and the main body parts are all sub-elements of the mechanical device model, but the sub-elements cannot independently bear the overall feature definition.
Step S200: acquiring directory information (also called directory tree) of a file where the BIM model file is located, a BIM model file name and feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
wherein, attribute information is professional attribute information, and take the water pump as a minimum feature unit as an example, the attribute information of water pump contains: professional attribute information such as lift, power, impeller size, ID information and the like; the geometric characteristics are the overall dimension information of the water pump, including the length, width, height, central position and the like of the water pump; the feature information is an information set generated by filtering the attribute information and the geometric feature to remove redundant and useless information.
Step S300: and generating the feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit.
Wherein the feature information takes a feature name as an index.
Specifically, the following formula is adopted:
wherein, T is a feature name, G is a standard compression algorithm, R is a system conversion algorithm, L is a system type, N is the number of character string connectors in the file directory information, Ki is the character information of the character string after the file directory information is combined with the BIM model file name and the character string is divided, and F is the ID information of the minimum feature unit.
It should be noted that the system here is a common string conversion system, and includes binary system, octal system, hexadecimal system, and the like, where hexadecimal system is the most common. The main parameters of the system conversion algorithm R are F and L, and the system type L is the system type of the result. If the final data requirement is 16, the value of L is 16 type (L is type and not 16).
The standard compression algorithm is GZIP algorithm, BZIP2 algorithm, LZO algorithm, LZ4 algorithm or Snappy algorithm and the like.
It should be noted that a character processing function (e.g., a character segmentation function, a character merging function) may be used to merge the file directory information and the BIM model file name according to the character information to obtain a character string, and a separator may be added according to a preset rule during the merging.
For example, if the character string contains "\\ requires the character string to be segmented, taking" C: \ Users \ Tony \ idlerc.dgn "as an example, the character string is segmented into" C: "," Users "," Tony "," idlerc.dgn ". I in the above formula represents one of the divided characters.
Taking a character segmentation function as an example, taking a character string of 'C: \ Users \ Steel industry dgn' as a content, and taking a '\\' character as a segmentation character of the character. The character string can be divided into three character strings of C, Users and steel industry dgn.
Taking a character merging function as an example, taking three character strings of 'C', 'Users' and 'Steel industry. dgn' as contents, and taking 'minus' as a connector, a character of 'C: -Users-Steel industry. dgn' can be obtained.
By the technical scheme, the path character can be split to analyze the mutual relation of different minimum feature units to the maximum extent, the final application of the model file is facilitated, and the influence of the Chinese characters on the whole analysis process can be effectively solved by processing by the method.
It should be noted that the file directory information of the BIM model should be configured in a standardized manner according to a project sub-item list (for example, level 1 is factory floor, level 2 is workshop, the file directory is "1 factory floor" folder, and the folder contains "2 workshop" folder) or a BIM design collaborative design rule. The process of combining the file directory information and the file name of the BIM model includes specific processing of information (for example, "\" is added between a file path and the file name, wherein a separator can be replaced by other characteristic symbols such as "/", and the information combination can be performed by other data conversion methods, such as data processing by using an MD5 method), and the specific processing includes processing of link characters and specified replacement of specific information. The processing of the link character involves the replacement of a specific character and the addition of a characteristic character.
The technical personnel in the field can understand that the standardized configuration of the file directory information can ensure that the logical relationship between the component and the whole file can be effectively displayed when the feature name is generated, so that the validity of the feature name is facilitated, and the searching efficiency is improved.
Step S400: and converting the geometric characteristics of the minimum characteristic unit into a characteristic file in a universal file format.
The universal file format includes: FBX format, GLTF format, SAT format, XT format, or the like.
Wherein the profile is named with the profile name.
Step S500: and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting.
According to the technical scheme, the BIM model data processing method provided by the embodiment of the invention has the advantages that the BIM model and the data are subjected to relevance separation, one model file is exported into a plurality of files according to the attribute definition, the data is synchronously exported, and the data and the files keep the relevance relation, so that the problem that the BIM data is difficult to use is solved, the problem that the association between the BIM data and the model cannot be ensured is solved, the conversion is automatically realized, the efficiency is high, the error is not easy to occur, the normal use of the BIM model is prevented from being influenced by the loss of an information carrier, a large number of rules and relationship matching are not needed, and the processing speed is increased.
In addition, the BIM model data processing method provided by the embodiment of the invention effectively utilizes the attribute information and realizes deeper data utilization.
In an alternative embodiment, the step S500 includes: and outputting the feature information of the minimum feature unit and the feature file to a server side for storage by taking a feature name as an index through a WEB interface of the server side.
Specifically, the server can be understood as a server, which is a central file and information processing server. And the client transmits the acquired feature information and the feature file to the server through a WEB interface, and the server stores the file and the information according to the feature name of the attribute information.
The exported feature files and feature information are delivered in a unified mode through the WEB interface of the server, so that convenience and user experience are improved.
Fig. 2 is a schematic flow chart diagram of a BIM model data processing method in the embodiment of the present invention. As shown in fig. 2, the BIM model data processing method may further include the following steps based on the flow shown in fig. 1:
step S600: acquiring user input information through a Web page of a server;
step S700: and modifying or adding the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
Namely: and modifying the characteristic information through a Web interface, adding information of multiple stages of the project, and uniformly delivering the characteristic file and the characteristic information through a WEB interface of a service end.
The information query and modification page mainly provides a friendly user interaction interface, so that query of database information and data modification are facilitated, an attribute addition function of the information is provided, and addition and modification of construction information and operation and maintenance information are facilitated. The information and file delivery interface is a final delivery interface of the data and the file, and the authorization end can obtain the feature file and the feature information by providing the feature name.
For example, a user logs in a Web interface first, searches information to be modified through the Web interface, directly modifies the information through the Web interface, submits the modification, and completes the storage, namely, completes the addition of the attribute information of multiple stages of the project.
Such as: when a device with a certain number 307 is found to have a weight filling error, the user can directly search 307 the device on the Web interface, acquire all information of the device, modify corresponding information and store the information.
It is worth explaining that, the WEB delivery interface is used for carrying out unified delivery of the feature files and the feature information, receiving the feature names and pushing the feature files and the feature information matched with the feature names to the application end; the WEB information modification and enrichment interface is used for acquiring, modifying and increasing information in a database by providing WEB pages, and the information packet is not limited to attribute information, files and other information.
By adopting the technical scheme, the BIM full-life-cycle information enrichment is facilitated, the updating and the modifying are convenient, all data do not need to be extracted again when the data are updated, and the method is simple and convenient.
Fig. 3 shows a specific step of step S100 in fig. 1 or 2. As shown in fig. 3, this step S100 may include the following:
step S101: traversing all components in the BIM model file;
step S102: judging whether the current component is an independent component or not;
wherein the BIM model file comprises a plurality of components, and the component types are divided into individual components and components in an assembly.
If yes, go to step S103; if not, go to step S104.
Step S103: treating the individual component as a minimum feature unit;
step S104: the assembly in which the current component is located is taken as a minimum feature unit.
It is worth noting that each assembly can only be regarded as one minimum feature unit, and there is no situation that one assembly is repeatedly regarded as a plurality of minimum feature units.
By adopting the technical scheme, the model is divided into a plurality of minimum feature units, so that the number of the models to be processed is effectively reduced, and the original state of the model is maintained. If a large number of components are contained in the model, partial components are combined to form the assembly, the model is automatically identified as the minimum feature unit to acquire the overall attribute of the assembly, and the components in the assembly are not processed any more.
In summary, the BIM model data processing method provided in the embodiments of the present invention, based on the minimum feature unit of the BIM model, can automatically separate the data information from the geometric model, and generate the corresponding feature name by obtaining the related information of the minimum feature unit, thereby effectively protecting the association relationship between the model file and the information data, and solving the problems of missing the association relationship in the conventional data model separation, difficult cooperation and difficult delivery of the BIM design software platform.
The BIM model data processing method provided by the embodiment of the invention can realize the complete separation and storage of project-level BIM design data, effectively get rid of the limitation of the existing BIM software on models and data, obviously improve the utilization efficiency of BIM results, provide a large amount of basic data for subsequent big data analysis and intelligent analysis due to the long-term accumulation of project-level BIM data, and effectively promote the development of the BIM industry.
Based on the same inventive concept, the embodiment of the present application further provides a BIM model data processing apparatus, which can be used to implement the methods described in the foregoing embodiments, as described in the following embodiments. Because the principle of the BIM model data processing device for solving the problems is similar to that of the method, the implementation of the BIM model data processing device can refer to the implementation of the method, and repeated details are not repeated. As used hereinafter, the term "unit" or "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
Fig. 4 is a block diagram of a first structure of a BIM model data processing apparatus according to an embodiment of the present invention. As shown in fig. 4, the BIM model data processing apparatus specifically includes: the file dividing module 10, the information acquiring module 20, the name generating module 30, the file converting module 40 and the association outputting module 50.
The file partitioning module 10 partitions the BIM model file into at least one minimum feature unit carrying model information.
The minimum feature unit is an independent minimum information individual in the BIM, the minimum feature unit is an assembly or an independent component, and the assembly is formed by combining a plurality of components, such as a three-dimensional element, a three-dimensional unit, a three-dimensional element group and a two-dimensional symbol, a two-dimensional symbol unit, a two-dimensional element group and the like.
In particular, a component may exist as a stand-alone component if it can itself carry its professional attribute information as a stand-alone component, such as a generator; if the components cannot bear professional attributes independently, the components and other components form a construction set together to bear professional attributes, such as a generator set.
The minimum feature unit is utilized to effectively reduce the number of required processing models and maintain the original state of the models. If a large number of components are contained in the model, partial components are combined to form the assembly, the model is automatically identified as the minimum feature unit to acquire the overall attribute of the assembly, and the components in the assembly are not processed any more.
In terms of distance, a mechanical device is taken as a component, namely a minimum feature unit, and the mechanical device comprises a plurality of components such as valves, pipelines, main body parts and the like, wherein three-dimensional models of the valves, the pipelines and the main body parts are all sub-elements of the mechanical device model, but the sub-elements cannot independently bear the overall feature definition.
The information obtaining module 20 obtains the file directory information where the BIM model file is located, the name of the BIM model file, and the feature information of the minimum feature unit, where the feature information includes: attribute information and geometric features, the attribute information including ID information;
wherein, attribute information is professional attribute information, and take the water pump as a minimum feature unit as an example, the attribute information of water pump contains: professional attribute information such as lift, power, impeller size, ID information and the like; the geometric characteristics are the overall dimension information of the water pump, including the length, width, height, central position and the like of the water pump; the feature information is an information set generated by filtering the attribute information and the geometric feature to remove redundant and useless information.
The name generation module 30 generates the feature name of the minimum feature unit according to the file directory information, the BIM model file name, and the ID information of the minimum feature unit.
Wherein the feature information takes a feature name as an index.
Specifically, the following formula is adopted:
wherein, T is a feature name, G is a standard compression algorithm, R is a system conversion algorithm, L is a system type, N is the number of character string connectors in the file directory information, Ki is the character information of the character string after the file directory information is combined with the BIM model file name and the character string is divided, and F is the ID information of the minimum feature unit.
The standard compression algorithm is GZIP algorithm, BZIP2 algorithm, LZO algorithm, LZ4 algorithm or Snappy algorithm and the like.
It should be noted that a character processing function may be used to merge the file directory information and the BIM model file name according to character information to obtain a character string, and a separator may be added according to a preset rule during merging.
For example, if the character string contains "\\ requires the character string to be segmented, taking" C: \ Users \ Tony \ idlerc.dgn "as an example, the character string is segmented into" C: "," Users "," Tony "," idlerc.dgn ". I in the above formula represents one of the divided characters.
By the technical scheme, the path character can be split to analyze the mutual relation of different minimum feature units to the maximum extent, the final application of the model file is facilitated, and the influence of the Chinese characters on the whole analysis process can be effectively solved by processing by the method.
It should be noted that the file directory information of the BIM model should be configured in a standardized manner according to a project sub-item list (for example, level 1 is factory floor, level 2 is workshop, the file directory is "1 factory floor" folder, and the folder contains "2 workshop" folder) or a BIM design collaborative design rule. The process of combining the file directory information and the file name of the BIM model includes specific processing of information (for example, "\" is added between a file path and the file name, wherein a separator can be replaced by other characteristic symbols such as "/", and the information combination can be performed by other data conversion methods, such as data processing by using an MD5 method), and the specific processing includes processing of link characters and specified replacement of specific information. The processing of the link character involves the replacement of a specific character and the addition of a characteristic character.
The technical personnel in the field can understand that the standardized configuration of the file directory information can ensure that the logical relationship between the component and the whole file can be effectively displayed when the feature name is generated, so that the validity of the feature name is facilitated, and the searching efficiency is improved.
The file conversion module 40 converts the geometric features of the minimum feature unit into a feature file in a general file format;
the universal file format includes: FBX format, GLTF format, SAT format, XT format, or the like.
Wherein the profile is named with the profile name.
The association output module 50 names, stores and outputs the feature information and the feature file of the minimum feature unit by the feature name.
According to the technical scheme, the BIM model data processing device provided by the embodiment of the invention has the advantages that the BIM model and the data are subjected to relevance separation, one model file is exported into a plurality of files according to the attribute definition, the data is synchronously exported, and the data and the files keep the relevance relation, so that the problem that the BIM data is difficult to use is solved, the problem that the association between the BIM data and the model cannot be ensured is solved, the conversion is automatically realized, the efficiency is high, the error is not easy to occur, the normal use of the BIM model is prevented from being influenced by the loss of an information carrier, a large number of rules and relationship matching are not needed, and the processing speed is increased.
In addition, the BIM model data processing device provided by the embodiment of the invention effectively utilizes the attribute information and realizes deeper data utilization.
In an alternative embodiment, the BIM model file includes a plurality of components, the component types are divided into individual components and components in an assembly, and the file dividing module 10 includes: a traversing unit 11, a judging unit 12, a first output unit 13 and a second output unit 14, see fig. 5.
The traversing unit 11 traverses all the components in the BIM model file;
the judgment unit 12 judges whether the current component is an individual component or a component in the assembly;
wherein the BIM model file comprises a plurality of components, and the component types are divided into individual components and components in an assembly.
If the current component is an individual component, the first output unit 13 takes the individual component as a minimum feature unit;
the second output unit 14 takes the assembly as a minimum feature unit if the current component is a component in the assembly.
It is worth noting that each assembly can only be regarded as one minimum feature unit, and there is no situation that one assembly is repeatedly regarded as a plurality of minimum feature units.
By adopting the technical scheme, the model is divided into a plurality of minimum feature units, so that the number of the models to be processed is effectively reduced, and the original state of the model is maintained. If a large number of components are contained in the model, partial components are combined to form the assembly, the model is automatically identified as the minimum feature unit to acquire the overall attribute of the assembly, and the components in the assembly are not processed any more.
In an alternative embodiment, the association output module includes: and the correlation output unit is used for outputting the characteristic information and the characteristic file of the minimum characteristic unit to a server side for storage by taking the characteristic name as an index through a WEB interface of the server side.
Specifically, the server can be understood as a server, which is a central file and information processing server. And the client transmits the acquired feature information and the feature file to the server through a WEB interface, and the server stores the file and the information according to the feature name of the attribute information.
The exported feature files and feature information are delivered in a unified mode through the WEB interface of the server, so that convenience and user experience are improved.
In an optional embodiment, the BIM model data processing apparatus may further include: the device comprises a user input acquisition module and an updating module.
And the user input acquisition module acquires user input information through a WEB page of the server.
And the updating module modifies or adds the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
Namely: and modifying the characteristic information through a Web interface, adding information of multiple stages of the project, and uniformly delivering the characteristic file and the characteristic information through a WEB interface of a service end.
The information query and modification page mainly provides a friendly user interaction interface, so that query of database information and data modification are facilitated, an attribute addition function of the information is provided, and addition and modification of construction information and operation and maintenance information are facilitated. The information and file delivery interface is a final delivery interface of the data and the file, and the authorization end can obtain the feature file and the feature information by providing the feature name.
For example, a user logs in a Web interface first, searches information to be modified through the Web interface, directly modifies the information through the Web interface, submits the modification, and completes the storage, namely, completes the addition of the attribute information of multiple stages of the project.
Such as: when a device with a certain number 307 is found to have a weight filling error, the user can directly search 307 the device on the Web interface, acquire all information of the device, modify corresponding information and store the information.
It is worth explaining that, the WEB delivery interface is used for carrying out unified delivery of the feature files and the feature information, receiving the feature names and pushing the feature files and the feature information matched with the feature names to the application end; the WEB information modification and enrichment interface is used for acquiring, modifying and increasing information in a database by providing WEB pages, and the information packet is not limited to attribute information, files and other information.
By adopting the technical scheme, the BIM full-life-cycle information enrichment is facilitated, the updating and the modifying are convenient, all data do not need to be extracted again when the data are updated, and the method is simple and convenient.
The apparatuses, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or implemented by a product with certain functions. A typical implementation device is an electronic device, which may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
In a typical example, the electronic device specifically includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor implements the following steps when executing the program:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring file directory information of the BIM model file, a BIM model file name and feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting.
As can be seen from the above description, the electronic device provided in the embodiment of the present invention may be used to process BIM model data, and by performing relevance separation on the BIM model and the data, not only is the problem that the BIM data is difficult to use solved, but also the problem that the relevance between the BIM data and the model cannot be guaranteed is solved.
In addition, the converted feature files are named by adopting a specific naming mode, so that the problems that the common unique feature names cannot describe the model information in detail and cannot solve the problem of synchronization of information and model updating are solved.
In addition, user input information is acquired through a WEB page of a server, and the feature name of each minimum feature unit in the BIM model file and the feature file are modified or added according to the user input information, so that the problem of synchronous updating of the BIM is solved.
Referring now to FIG. 6, shown is a schematic diagram of an electronic device 600 suitable for use in implementing embodiments of the present application.
As shown in fig. 6, the electronic apparatus 600 includes a Central Processing Unit (CPU)601 that can perform various appropriate works and processes according to a program stored in a Read Only Memory (ROM)602 or a program loaded from a storage section 608 into a Random Access Memory (RAM)) 603. In the RAM603, various programs and data necessary for the operation of the system 600 are also stored. The CPU601, ROM602, and RAM603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
The following components are connected to the I/O interface 605: an input portion 606 including a keyboard, a mouse, and the like; an output portion 607 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 608 including a hard disk and the like; and a communication section 609 including a network interface card such as a LAN card, a modem, or the like. The communication section 609 performs communication processing via a network such as the internet. The driver 610 is also connected to the I/O interface 605 as needed. A removable medium 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 610 as necessary, so that a computer program read out therefrom is mounted as necessary on the storage section 608.
In particular, according to an embodiment of the present invention, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, an embodiment of the invention includes a computer-readable storage medium having a computer program stored thereon, which when executed by a processor, performs the steps of:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring file directory information of the BIM model file, a BIM model file name and feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information including ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting.
As can be seen from the above description, the computer-readable storage medium provided in the embodiment of the present invention may be used to process BIM model data, and by performing relevance separation on the BIM model and the data, not only is the problem that the BIM data is difficult to use solved, but also the problem that the relevance between the BIM data and the model cannot be guaranteed is solved.
In addition, the converted feature files are named by adopting a specific naming mode, so that the problems that the common unique feature names cannot describe the model information in detail and cannot solve the problem of synchronization of information and model updating are solved.
In addition, user input information is acquired through a WEB page of a server, and the feature name of each minimum feature unit in the BIM model file and the feature file are modified or added according to the user input information, so that the problem of synchronous updating of the BIM is solved.
In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 609, and/or installed from the removable medium 611.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (14)
1. A BIM model data processing method is characterized by comprising the following steps:
dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
acquiring file directory information of the BIM model file, a BIM model file name and feature information of the minimum feature unit, wherein the feature information comprises: attribute information and geometric features, the attribute information comprising: ID information;
generating a feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
converting the geometric features of the minimum feature unit into a feature file in a general file format;
and naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting.
2. The BIM model data processing method according to claim 1, wherein the BIM model file comprises: a plurality of components, the component types being divided into individual components and components in an assembly, said dividing the BIM model file into at least one minimum feature unit carrying model information, comprising:
traversing all components in the BIM model file;
determining whether the current component is an individual component or a component in an assembly;
if the current component is an individual component, taking the individual component as a minimum feature unit;
if the current component is a component in an assembly, the assembly is treated as a minimum feature unit.
3. The BIM model data processing method according to claim 1, wherein the generating of the feature name of the minimum feature unit according to the file directory information, the BIM model file name, and the ID information of the minimum feature unit is implemented by using the following formula:
wherein, T is a feature name, G is a standard compression algorithm, R is a system conversion algorithm, L is a system type, N is the number of character string connectors in the file directory information, Ki is the character information of the character string after the file directory information is combined with the BIM model file name and the character string is divided, and F is the ID information of the minimum feature unit.
4. The BIM model data processing method of claim 3, wherein the standard compression algorithm is a GZIP algorithm, a BZIP2 algorithm, an LZO algorithm, an LZ4 algorithm, or a Snappy algorithm.
5. The BIM model data processing method of claim 1, wherein the common file format comprises: FBX format, GLTF format, SAT format or XT format.
6. The BIM model data processing method according to claim 1, wherein the naming, storing and outputting the feature information and the feature file of the minimum feature unit by the feature name includes:
and outputting the feature information of the minimum feature unit and the feature file to a server side for storage by taking a feature name as an index through a WEB interface of the server side.
7. The BIM model data processing method according to claim 6, further comprising:
acquiring user input information through a WEB page of a server;
and modifying or adding the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
8. A BIM model data processing apparatus, comprising:
the file dividing module is used for dividing the BIM model file into at least one minimum characteristic unit for bearing model information;
the information acquisition module is used for acquiring file directory information of the BIM model file, a BIM model file name and the characteristic information of the minimum characteristic unit, wherein the characteristic information comprises: attribute information and geometric features, the attribute information comprising: ID information;
the name generation module is used for generating the feature name of the minimum feature unit according to the file directory information, the BIM model file name and the ID information of the minimum feature unit;
the file conversion module is used for converting the geometric characteristics of the minimum characteristic unit into a characteristic file in a general file format;
and the association output module is used for naming the feature information and the feature file of the minimum feature unit by the feature name, storing and outputting the feature information and the feature file.
9. The BIM model data processing apparatus of claim 8, wherein the BIM model file comprises: a plurality of components, the component types divided into individual components and components in an assembly, the file partitioning module comprising:
the traversing unit is used for traversing all components in the BIM model file;
a judging unit that judges whether the current component is an individual component or a component in the assembly;
the first output unit is used for taking the independent component as a minimum characteristic unit if the current component is the independent component;
and the second output unit is used for taking the assembly as a minimum characteristic unit if the current component is the component in the assembly.
10. The BIM model data processing apparatus of claim 8, wherein the common file format comprises: FBX format, GLTF format, SAT format or XT format.
11. The BIM model data processing apparatus of claim 8, wherein the correlation output module comprises:
and the correlation output unit is used for outputting the characteristic information of each minimum characteristic unit in the BIM model file and the characteristic file to a server side for storage by taking the characteristic name as an index through a WEB interface of the server side.
12. The BIM model data processing apparatus of claim 11, further comprising:
the user input acquisition module acquires user input information through a WEB page of a server;
and the updating module modifies or adds the feature name of each minimum feature unit in the BIM model file and the feature file according to the user input information.
13. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the BIM model data processing method according to any one of claims 1 to 7 when executing the program.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the BIM model data processing method according to any one of claims 1 to 7.
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