CN113051650A - Real-time acquisition method and device for building information model component data - Google Patents
Real-time acquisition method and device for building information model component data Download PDFInfo
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Abstract
The invention discloses a real-time data acquisition method for building information model members, which comprises the steps of uniformly defining BIM decomposition structures and element representation modes of each component of BIM through an external database; the home object and the used software version of each node of the BIM software definition decomposition structure are separated; establishing a corresponding binding relationship between the nodes in the decomposition structure and the established BIM elements; and monitoring and capturing the operation of different BIM modeling software and generating or updating the BIM data of the external database in real time. The invention also provides a device for realizing the method. The method and the device can not be limited by BIM modeling software, independently maintain the decomposition structure of BIM data, facilitate modification and update and software class replacement, effectively solve the problem that modeling results are difficult to utilize mutually due to different model decomposition modes of different software, realize component level data management, have small data volume for single acquisition or update, and solve the problem that the resource consumption is overlarge during the update of the BIM model at present.
Description
Technical Field
The invention relates to the technical field of building information models, in particular to a method and a device for acquiring data of building information model components in real time.
Background
In the field of Building Information Modeling, a unified tool is not available for Building and using BIM data, and the integration of BIM data is generally built by Modeling personnel by using the existing BIM Modeling design software under the constraint of Modeling standards, and then the transformation of BIM data is performed according to the requirements of a data application party (for example, the transformation is performed into a geometric description file and each element Information base for lightweight display of BIM data). There are the following problems:
1. because the types of software, software versions, standard understanding, professions and task division are different, BIM models established by respective software often have the problems of different model structures, different modeling depths and the like, and the problems of non-uniform data structures, non-uniform model segmentation modes, more extracted data redundancy, repeated geometric data and the like can occur when the data extraction integration is carried out by depending on the existing method.
2. The existing method for extracting the BIM data is the format conversion of the whole file (or model) after design, data management is not carried out from the dimension of single component data (one model consists of a plurality of components), and after the content or the relation of partial components of the BIM model is modified by a data producer, the BIM data cannot be updated to the data of an application party in time, and the BIM data cannot be processed by the model data in the design process.
Disclosure of Invention
Aiming at the technical problems, the invention provides a real-time data acquisition method for building information model components, which aims to solve the problems that in the prior art, different modeling software data formats and decomposition modes are not uniform, so that information is difficult to extract and utilize, and in the prior art, only the whole BIM model can be subjected to data management, so that data transmission and updating are not facilitated.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a real-time data acquisition method for building information model components comprises the following steps:
s100, uniformly defining a BIM decomposition structure, BIM component data element types of all nodes in the BIM decomposition structure and a data storage mode for the project to be built through an external database;
s200, defining the attribution object of each node of the BIM decomposition structure and the type and version of modeling software used by the attribution object without the BIM modeling software;
s300, establishing a corresponding binding relationship between the BIM component and each node in the BIM decomposition structure;
s400, monitoring and capturing the attribution objects of different nodes, performing operations including component creation, component modification, component deletion, data recovery and synchronization on the BIM component through BIM modeling software, and generating or updating the BIM component data in the corresponding external database in real time.
Further, the real-time data acquisition method for the building information model member further comprises the following steps:
s500, reading BIM data or partially updating BIM component data by accessing an external database by a third party application; or/and
and the node attribution object updates the BIM element information in the BIM modeling software by accessing external data.
Specifically, in step S100, the external database at least adopts one database to store the BIM decomposition structure data including the structure hierarchy and the node type and the BIM component definition data including the component type, the unique code, the instance code rule, the position code rule, the sequence code rule, the geometric definition element, the attribute, the parameter, and the mapping relationship of the modeling software.
Specifically, in step S200, a BIM data management authority relationship is established, and according to work division, the personnel to which the node belongs, the type and the version of the BIM modeling software used by the node are specified for each node in the BIM decomposition structure, and are stored in a corresponding external database in a node set manner.
Specifically, the corresponding binding relationship between the BIM component and each node in the BIM decomposition structure in step S300 includes the following conditions:
s301, when the BIM element definition and the corresponding BIM component definition data have an association relationship, automatically completing mapping;
s302, when the BIM element definition is not associated with the corresponding BIM component definition data, a mapping relation is specified and mapping is completed;
s303, establishing an instance based on the current BIM construction model, taking the instance as an attribute set of the node, and storing the instance according to the definition requirement of the corresponding BIM component definition data;
s304, when the BIM component definition data has the condition of many-to-one binding with the nodes, manually selecting the nodes to which the instances belong;
s305, when the BIM element definition data is not bound to the node, the node automatically establishes a virtual component definition, and records the attribute and the parameter as the sum of all the lower-layer nodes.
Specifically, the process of operating the BIM member in the step S400 is as follows:
building a new component: if the component is directly built on the node bound with the BIM component, the model elements of the built component data are directly extracted and stored in the node which is an attribute set; if a component is newly built according to the BIM modeling software original technology line, capturing the operation of the newly built component, and storing the position according to the mapping relation or the appointed data; if the new construction member does not need to be managed by the node where the home object is located, skipping binding and data extraction; if the new construction member is managed by the node where the home object is located, but no corresponding node exists at present, the node is newly built, and BIM construction member definition data mapping is carried out; if the BIM component which is not decomposed by the related engineering elements exists, manually binding the BIM component to the node where the attribution object is located; the method has the advantages that the authority and data stability of the BIM component are ensured through the accessory verification information in the BIM component;
modifying the component: monitoring modification operation of a capture node home object, searching and checking corresponding BIM component data through unique codes, determining an update version through additional mark information in the BIM component, and modifying update data;
deleting components: monitoring the deletion operation of the object to which the capture node belongs, searching and checking the data of the corresponding BIM component through the unique code, determining an update version through additional marking information in the BIM component, and marking the data for abandonment;
and (3) recovering data: for the condition that the time stamp of the external database is higher than the time stamp of the engineering file, reading and inputting the data of each BIM component in the external database into the engineering file to realize the synchronization of each data;
and (3) synchronous operation: and for the condition that the data needs to be updated manually, checking all the change data stored this time, reading the modified BIM component data and updating the data in the external database.
Furthermore, the invention also provides a real-time data acquisition device for the building information model component for realizing the method, which comprises
The decomposition planning module is used for establishing a proposed object engineering element decomposition structure and defining the type of a proposed BIM component and a data storage mode corresponding to each decomposition node;
the authority division module is used for dividing the modeling personnel corresponding to each decomposition node and the type and version of the modeling software;
the data hooking module is used for establishing hooking relation between component data in the BIM modeling software and nodes in the element decomposition structure; and
and the operation monitoring module is used for marking, identifying and monitoring the operation in the modeling software of the specific software class and version and correspondingly updating the external database data.
Specifically, each node in the engineering element decomposition structure corresponds to a BIM element type, and the definition of the BIM element type includes a component type, a unique code, an instance code rule, a position code rule, a sequential code rule, a geometric definition element, an attribute, a parameter and a modeling software modeling element.
Specifically, in the data hooking module, for a specified modeling worker and modeling software, a plurality of project files are associated with nodes to be built, and one project file establishes data for the plurality of nodes to be built;
for the condition that the existing BIM data is associated with the node to be built, screening association is carried out according to the type of the BIM element corresponding to the node;
adding mark information in the newly built or associated BIM component to ensure that a data hooking module identifies the node to which the BIM component belongs, the current updating times and owner information;
after the BIM member is associated with the node, converting and storing the data into an external database according to the format requirements of the node on the information including geometry and attributes in the BIM element type definition.
Specifically, the operation monitoring module monitors the revocation operation of a modeling worker, compares the change conditions of all BIM components after the last saving operation, and updates the external database correspondingly;
after a modeling worker completes building operation of the BIM component, reading BIM component data, adding mark information, and storing the data into an external database according to rule requirements in node binding BIM element definition;
when monitoring the modification operation of a BIM component, after the modification is stored by a modeling worker, reading the data of the modified BIM component and updating the data in an external database;
for the condition that the version of the external database is higher than that of the engineering file, reading and inputting the BIM component data in the external database into the engineering file to realize data synchronization;
and for the condition that the data needs to be updated manually, checking all the changed data stored this time, reading the modified BIM component data and updating the data in the external database.
Compared with the prior art, the invention has the following beneficial effects:
the method and the device can not be limited by BIM modeling software, independently maintain the decomposition structure of the BIM data, change the prior engineering decomposition by depending on the modeling software into the active engineering decomposition by modeling personnel, are convenient for modifying, updating and replacing software types, effectively solve the problem that the modeling results are difficult to utilize mutually due to different model decomposition modes of different software, realize component level data management, have small data volume for single acquisition or updating, and solve the problem of overlarge resource consumption for updating the current BIM model. The invention has the advantages of ingenious design, simple structure and convenient use, and is suitable for being applied to BIM.
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FIG. 1 is a schematic flow chart of a method in an embodiment of the present invention.
FIG. 2 is a schematic diagram of an apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of BIM data displayed by a node accessing a database according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of BIM data displayed by a third party application accessing a database according to an embodiment of the present invention.
Detailed Description
The present invention is further illustrated by the following figures and examples, which include, but are not limited to, the following examples.
Examples
As shown in fig. 1, the method for collecting data of building information model members in real time comprises the following steps:
s100, uniformly defining the BIM decomposition structure, the BIM component data element type of each node in the BIM decomposition structure and a data storage mode for the project to be built through an external database. Building a building object engineering BIM decomposition structure, and defining BIM data of each node; the type of the external database is appointed, namely the data storage mode is adopted, and a plurality of external databases can be adopted at the same time; establishing a project BIM component definition library (FDDataset) which comprises component types, unique codes, instance code rules, position code rules, sequence code rules, geometric definition elements, attributes, parameters, modeling software mapping relations and the like, wherein the geometric definition elements further comprise geometric expression rules (such as grids, voxels, ifcs (industrial basic classes), customizations and the like), material rules (such as UV (ultraviolet) maps, data sets and the like), central point coordinates and the like.
Taking the component definition (reinforced concrete exterior wall) as an example, the BIM component definition library can include the following contents:
the method comprises the steps of establishing an element decomposition structure (IPDM) of the whole BIM model, flexibly selecting decomposition modes such as WBS (work decomposition structure), PBS (project decomposition structure), EBS (engineering system decomposition structure) and the like according to data application requirements, and also being capable of self-defining the decomposition modes (for example, linear engineering can be segmented according to mileage), wherein the hierarchy and node types of the decomposition structures are not limited, a plurality of structure trees can be maintained simultaneously, but the lowest node represents the minimum segmentation unit meeting the application requirements, and can correspond to the content in a BIM component definition library.
S200, defining the attribution object of each node of the BIM decomposition structure and the type and version of the modeling software by deviating from the BIM modeling software. Establishing a BIM data management authority relationship, appointing personnel (x) to which each node belongs, the type and the version (y) of used BIM modeling software to each node in a BIM decomposition structure according to work division, and storing the personnel, the type and the version (y) in a corresponding external database in a node set mode, wherein the node and a child node set thereof are recorded as ipdm-x-y, and different nodes can appoint different software or versions. The specified modeling software includes not only geometry modeling software such as Revit, AECOsim Building Designer, Catia, etc., but also other applications (e.g., excel, AutoCAD, SketchUp) capable of generating BIM data. Specifying modeling software to comprise software classes and versions; and binding format names of corresponding engineering files (the format specified by each modeling software) according to the requirements.
S300, establishing a corresponding binding relationship between the BIM component and each node in the BIM decomposition structure. Establishing a mapping relation between the ipdm-x-y and the corresponding existing BIM model, and marking as the ipdm-x-y-bound, wherein the Node defined by the bound component is marked as the Node-bound, and the following conditions are provided:
s301, when the BIM element definition has an association relation with the bound FDDataset data, automatically completing mapping;
s302, when the BIM element definition has no incidence relation with the bound FDDataset data, a mapping relation is specified, and mapping is completed;
s303, establishing an instance based on the current BIM construction model, taking the instance as an attribute set of the node, and storing the instance according to the definition requirement of the corresponding BIM component definition data;
s304, when the binding condition of the FDDataset and the nodes is many-to-one, the nodes to which the instances belong are manually selected;
s305, when the BIM element definition data (such as non-bottom layer nodes) is not bound to the node, the node automatically establishes a virtual component definition, and records the attribute and the parameter to be the sum of all the lower layer nodes.
S400, monitoring and capturing the attribution objects of different nodes, performing operations including component creation, component modification, component deletion, data recovery and synchronization on the BIM component through BIM modeling software, and generating or updating the BIM component data in the corresponding external database in real time. The specific process is as follows:
building a new component: if a component is directly newly built on a Node-bound of the ipdm-x-y-bound, directly extracting and storing model elements of the built component data in the Node attribute set; if a component is newly built according to the BIM modeling software original technology line, capturing the operation of the newly built component, and specifying a data storage position according to a mapping relation (if any) or a user; if the newly built component does not need the ipdm-x-y-bound management (namely, the data does not need to be collected to an external database), the binding and the data extraction can be skipped; if the newly-built component is managed by the ipdm-x-y-bound but no corresponding node exists at present, supporting a modeler to newly build a node and carry out FDDataset mapping; if the BIM component which is not decomposed by related engineering elements exists, manually binding the BIM component to a node ipdm-x-y-bound; the method has the advantages that the authority and data stability of the BIM component are ensured through the accessory verification information in the BIM component;
taking component data (outer wall-400) as an example to show the data content of the newly-built component:
modifying the component: monitoring modification operation of a capture node home object, searching and checking corresponding BIM component data through unique codes, determining an update version through additional mark information in the BIM component, and modifying update data;
deleting components: monitoring the deletion operation of the object to which the capture node belongs, searching and checking the data of the corresponding BIM component through the unique code, determining an update version through additional marking information in the BIM component, and marking the data for abandonment;
and (3) recovering data: for the condition that the time stamp of the external database is higher than the time stamp of the engineering file, reading and inputting the data of each BIM component in the external database into the engineering file to realize the synchronization of each data;
and (3) synchronous operation: and for the condition that the data needs to be updated manually, checking all the change data stored this time, reading the modified BIM component data and updating the data in the external database.
S500, reading the BIM data or partially updating the BIM component data by accessing an external database by a third-party application, as shown in FIG. 4; or/and
each node home object updates BIM element information in each BIM modeling software by accessing external data, as shown in fig. 3.
As shown in fig. 2, the real-time data collecting device of building information model members for implementing the above method comprises:
the decomposition planning module 100 is used for establishing a proposed object engineering element decomposition structure and defining the type and data storage mode of a proposed BIM component corresponding to each decomposition node; specifically, the data 101 decomposed on engineering elements is stored and accessed without relying on modeling software, such as an external database; each node 102 in the engineering element decomposition structure corresponds to a BIM element type, and the definition of the BIM element type includes a component type, a unique code, an instance code rule, a position code rule, a sequential code rule, a geometric definition element, an attribute, a parameter and a modeling software modeling element 103.
The authority division module 200 is used for dividing the modeling personnel corresponding to each decomposition node 201 and the type and version of the modeling software; specifically, the specified modeling software 202 includes geometric modeling software such as Revit, AECOsim Building Designer, Catia, etc., but may also be other applications capable of generating BIM data (e.g., excel, AutoCAD, SketchUp); specifying that the modeling software should contain a software class and a software version; and binding format names of corresponding engineering files (the format specified by each modeling software) according to the requirements.
The data hooking module 300 is used for establishing hooking relation between component data in the BIM modeling software and nodes in the element decomposition structure;
specifically, in the data hooking module, for a specified modeling worker and modeling software 301, a plurality of project files are associated with nodes to be built, and one project file establishes data for the plurality of nodes to be built;
for the condition that the existing BIM data is associated with the node to be built, screening association 302 is carried out according to the type of the BIN element corresponding to the node, and manual binding can also be carried out;
adding mark information 303 in the newly built or associated BIM component to ensure that a data hooking module identifies information such as a node to which the BIM component belongs, the current updating times, an owner and the like;
after the BIM member is associated with the node, the data is converted and stored in an external database according to the format requirements of the node on the information 304 containing geometry and attributes in the BIM element type definition.
The operation monitoring module 400 is used for marking, identifying and monitoring the operation in the modeling software of a specific software class and version, and updating the external database data correspondingly;
specifically, the operation monitoring module monitors the revocation operation 401 of a modeling worker, compares the change conditions of all BIM components after the last saving operation, and updates the external database correspondingly;
after the modeling personnel complete the BIM component new building operation 411, reading the BIM component data, and storing the data into an external database according to the rule requirements in the node binding BIM element definition (for example, the BIM element in BN2.1.1 node is stored into the external database according to the J1S1 rule); after new construction is completed, corresponding to the additional marking information 412 in the BIM component, additional data is recorded in BIM4, the attribution of the additional data is marked with BN2.1.1-X1Y1, and the internal GUID is GUID 4;
when monitoring modification operation 421 (for example, moving \ rotating \ modifying parameter value \ adding attribute item, etc.) of a BIM component, after the modification is stored by a modeling worker, reading the modified BIM component data and updating the data in an external database;
when a deletion operation 431 for a BIM component is monitored, after the modeling personnel save the modification, marking the deleted BIM component data and updating the data in the external database;
for the condition that the time stamp of the external database is higher than the time stamp of the engineering file, reading and inputting the data of each BIM component in the external database into the engineering file to realize data synchronization 441;
for the case where the data needs to be manually updated, all the change data 451 after this saving is checked, the modified BIM component data is read, and the data in the external database is updated.
By the method and the device, the BIM data decomposition structure can be maintained independently without being limited by BIM modeling software, engineering decomposition is carried out by modeling software instead of engineering decomposition by modeling personnel, modification, update and software class replacement are facilitated, the problem that modeling results are difficult to utilize mutually due to different model decomposition modes of different software is solved effectively, component level data management is realized, single acquisition or update data amount is small, and the problem that resources are consumed by updating the BIM model at present is solved.
Those skilled in the art will clearly understand that the method of the above embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation method. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all changes that can be made by applying the principles of the present invention and performing non-inventive work on the basis of the principles shall fall within the scope of the present invention.
Claims (10)
1. A real-time data acquisition method for building information model components is characterized by comprising the following steps:
s100, uniformly defining a BIM decomposition structure, BIM component data element types of all nodes in the BIM decomposition structure and a data storage mode for the project to be built through an external database;
s200, defining the attribution object of each node of the BIM decomposition structure and the type and version of modeling software used by the attribution object without the BIM modeling software;
s300, establishing a corresponding binding relationship between the BIM component and each node in the BIM decomposition structure;
s400, monitoring and capturing the attribution objects of different nodes, performing operations including component creation, component modification, component deletion, data recovery and synchronization on the BIM component through BIM modeling software, and generating or updating the BIM component data in the corresponding external database in real time.
2. The method for real-time data collection of building information model members according to claim 1, further comprising:
s500, reading BIM data or partially updating BIM component data by accessing an external database by a third party application; or/and
and the node attribution object updates the BIM element information in the BIM modeling software by accessing external data.
3. The method according to claim 1, wherein the external database in step S100 is at least one database for storing BIM decomposition structure data including structure hierarchy and node type and BIM component definition data including component type, unique code, instance code rule, position code rule, sequence code rule, geometric definition element, attribute, parameter, and mapping relationship of modeling software.
4. The method according to claim 1, wherein the step S200 is performed by establishing a BIM data management authority relationship, assigning personnel to which nodes belong, and types and versions of the BIM modeling software to each node in the BIM decomposition structure according to work division, and storing the personnel, the types and the versions in the corresponding external database in a node set manner.
5. The method according to claim 3, wherein the binding relationship between the BIM component and each node in the BIM decomposition structure in step S300 includes the following conditions:
s301, when the BIM element definition and the corresponding BIM component definition data have an association relationship, automatically completing mapping;
s302, when the BIM element definition is not associated with the corresponding BIM component definition data, a mapping relation is specified and mapping is completed;
s303, establishing an instance based on the current BIM construction model, taking the instance as an attribute set of the node, and storing the instance according to the definition requirement of the corresponding BIM component definition data;
s304, when the BIM component definition data has the condition of many-to-one binding with the nodes, manually selecting the nodes to which the instances belong;
s305, when the BIM element definition data is not bound to the node, the node automatically establishes a virtual component definition, and records the attribute and the parameter as the sum of all the lower-layer nodes.
6. The method for collecting data of building information model member in real time according to claim 5, wherein the BIM member is operated in the step S400 as follows:
building a new component: if a component is directly newly built on a node bound with the BIM component, directly extracting and storing model elements of the built component data in the node attribute set; if a component is newly built according to the BIM modeling software original technology line, capturing the operation of the newly built component, and storing the position according to the mapping relation or the appointed data; if the new construction member does not need to be managed by the node where the home object is located, skipping binding and data extraction; if the new construction member is managed by the node where the home object is located, but no corresponding node exists at present, the node is newly built, and BIM construction member definition data mapping is carried out; if the BIM component which is not decomposed by the related engineering elements exists, manually binding the BIM component to the node where the attribution object is located; the method has the advantages that the authority and data stability of the BIM component are ensured through the accessory verification information in the BIM component;
modifying the component: monitoring modification operation of a capture node home object, searching and checking corresponding BIM component data through unique codes, determining an update version through additional mark information in the BIM component, and modifying update data;
deleting components: monitoring the deletion operation of the object to which the capture node belongs, searching and checking the data of the corresponding BIM component through the unique code, determining an update version through additional marking information in the BIM component, and marking the data for abandonment;
and (3) recovering data: for the condition that the time stamp of the external database is higher than the time stamp of the engineering file, reading and inputting the data of each BIM component in the external database into the engineering file to realize the synchronization of each data;
and (3) synchronous operation: and for the condition that the data needs to be updated manually, checking all the change data stored this time, reading the modified BIM component data and updating the data in the external database.
7. A real-time data acquisition device for building information model members is characterized by comprising
The decomposition planning module is used for establishing a proposed object engineering element decomposition structure and defining the type of a proposed BIM component and a data storage mode corresponding to each decomposition node;
the authority division module is used for dividing the modeling personnel corresponding to each decomposition node and the type and version of the modeling software;
the data hooking module is used for establishing hooking relation between component data in the BIM modeling software and nodes in the element decomposition structure; and
and the operation monitoring module is used for marking, identifying and monitoring the operation in the modeling software of the specific software class and version and correspondingly updating the external database data.
8. The device for real-time collection of construction information model component data according to claim 7, wherein each node in the engineering element decomposition structure corresponds to a BIM element type, and the definition of the BIM element type includes component type, unique code, instance code rule, position code rule, sequential code rule, geometric definition element, attribute, parameter, modeling software modeling element.
9. The real-time data acquisition device for the building information model component according to claim 7, wherein in the data hooking module, for a specified modeling worker and modeling software, a plurality of engineering files are associated with the node to be built, and one engineering file establishes data for a plurality of nodes to be built;
for the condition that the existing BIM data is associated with the node to be built, screening association is carried out according to the type of the BIM element corresponding to the node;
adding mark information in the newly built or associated BIM component to ensure that a data hooking module identifies the node to which the BIM component belongs, the current updating times and owner information;
after the BIM member is associated with the node, converting and storing the data into an external database according to the format requirements of the node on the information including geometry and attributes in the BIM element type definition.
10. The real-time data acquisition device for building information model members according to claim 7, wherein the operation monitoring module monitors the revocation operation of modeling personnel, and updates the external database correspondingly to the change condition of all BIM members after the last saving operation;
after a modeling worker completes building operation of the BIM component, reading BIM component data, adding mark information, and storing the data into an external database according to rule requirements in node binding BIM element definition;
when monitoring the modification operation of a BIM component, after the modification is stored by a modeling worker, reading the data of the modified BIM component and updating the data in an external database;
for the condition that the version of the external database is higher than that of the engineering file, reading and inputting the BIM component data in the external database into the engineering file to realize data synchronization;
and for the condition that the data needs to be updated manually, checking all the changed data stored this time, reading the modified BIM component data and updating the data in the external database.
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