CN116029009B - Building intelligent drawing method and system based on BIM technology - Google Patents
Building intelligent drawing method and system based on BIM technology Download PDFInfo
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Abstract
The invention provides a building intelligent drawing method and system based on BIM technology, which relates to the technical field of data processing and comprises the following steps: obtaining basic information of a BIM three-dimensional building model, wherein the basic information comprises a model relation tree diagram; constructing a pdf building plan according to the BIM three-dimensional integral model; setting the pdf building plan as a pdf browser first display interface; acquiring first feedback information from a first display interface of the pdf browser, wherein the first feedback information comprises graph view angle information and graph node information, and inputting the graph node information into a model relation tree diagram to acquire a node matching model; performing graph optimization on the node matching model according to graph view angle information to generate to-be-mapped parameter information; and constructing a second display interface of the pdf browser according to the parameter information to be mapped. The technical problem of the prior art that the system storage pressure is large due to the fact that the data size of the two-dimensional drawing of the building construction is large and redundancy is achieved is solved.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a building intelligent drawing method and system based on a BIM technology.
Background
The two-dimensional map obtained through derivation according to the three-dimensional building model can be used for efficiently managing the building construction process for constructors. According to the three-dimensional building model, two-dimensional graph data of various angles and various sections can be derived, and the application is wider at present.
When the two-dimensional graphs of all types are stored in advance and are called when the two-dimensional graphs need to be used, however, the two-dimensional graphs related to building construction have large data quantity and are relatively complicated, and a large number of two-dimensional graphs lead to large system storage pressure.
In the prior art, the technical problem of high system storage pressure is caused by the large data size and redundancy of the two-dimensional map of the building construction.
Disclosure of Invention
The application provides a building intelligent drawing method and system based on a BIM technology, which are used for solving the technical problem that the storage pressure of a system is high due to the fact that the data size of a two-dimensional drawing for building construction is large and redundancy is high in the prior art.
In view of the above problems, the present application provides a building intelligent plotting method and system based on BIM technology.
In a first aspect of the present application, a building intelligence mapping method based on a BIM technology is provided, including: obtaining basic information of a BIM three-dimensional building model, wherein the basic information of the BIM three-dimensional building model comprises a model relation tree diagram; constructing a pdf building plan according to the BIM three-dimensional integral model; setting the pdf building plan as a pdf browser first display interface; acquiring first feedback information from a first display interface of the pdf browser, wherein the first feedback information comprises drawing view angle information and drawing node information; inputting the graph node information into the model relation tree graph to obtain a node matching model; performing drawing optimization on the node matching model according to the drawing view angle information to generate parameter information to be drawn; and constructing a second display interface of the pdf browser according to the parameter information to be mapped.
In another aspect of the present application, there is provided a building intelligence graphic system based on a BIM technology, including: the first obtaining unit is used for obtaining basic information of the BIM three-dimensional building model, wherein the basic information of the BIM three-dimensional building model comprises a model relation tree diagram; the plan constructing unit is used for constructing a pdf building plan according to the BIM three-dimensional integral model; the first interface setting unit is used for setting the pdf building plan as a pdf browser first display interface; the second obtaining unit is used for obtaining first feedback information from the pdf browser first display interface, wherein the first feedback information comprises graphic view angle information and graphic node information; the node model matching unit is used for inputting the graph node information into the model relation tree graph to obtain a node matching model; the drawing parameter determining unit is used for carrying out drawing optimization on the node matching model according to the drawing view angle information to generate to-be-drawn parameter information; and the second interface setting unit is used for constructing a pdf browser second display interface according to the parameter information to be mapped.
In a third aspect of the present application, there is provided a computer device comprising a memory and a processor, the memory having stored therein a computer program which, when executed by the processor, implements the steps of the method of the first aspect.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
according to the technical scheme, the overall and local model relation of the BIM three-dimensional building model is stored in a model relation tree diagram, and then the diagram is drawn according to the BIM three-dimensional overall model, so that a pdf building plan is determined; setting the pdf building plan as a pdf browser first display interface; determining first feedback information of the graphic information required by the user by acquiring click information of the user on a first display interface of the pdf browser; inputting the first feedback information into a model relation tree diagram; thereby determining a node matching model; determining the graph parameters according to the node matching model to obtain the to-be-mapped parameter information; and constructing a second display interface of the pdf browser in real time according to the parameter information to be mapped. And the model relationship tree diagram and the pdf browser with the feedback function are utilized to determine two-dimensional diagram data to be exported in real time, and then the two-dimensional diagram data is matched with the model to carry out real-time diagram, so that a pre-picture storage database is not needed, and the technical effect of reducing the storage pressure of the two-dimensional diagram is achieved.
Drawings
FIG. 1 is a schematic flow chart of a building intelligent drawing method based on BIM technology;
FIG. 2 is a schematic diagram of a model relationship tree diagram determining process in a building intelligence mapping method based on BIM technology;
FIG. 3 is a schematic diagram of a pdf building plan determination process in a building intelligence mapping method based on BIM technology provided in the present application;
FIG. 4 is a schematic diagram of a building intelligent graphic system based on BIM technology;
fig. 5 is a schematic structural diagram of an exemplary computer device according to an embodiment of the present application.
Reference numerals illustrate: the node model matching unit comprises a first obtaining unit 11, a plan view constructing unit 12, a first interface setting unit 13, a second obtaining unit 14, a node model matching unit 15, a graph parameter determining unit 16, a second interface setting unit 17, a computer device 300, a memory 301, a processor 302, a communication interface 303 and a bus architecture 304.
Detailed Description
The application provides a building intelligent drawing method and system based on BIM technology, which are used for solving the technical problem that the storage pressure of a system is high because of large data size and redundancy of two-dimensional drawing of building construction in the prior art. And the model relationship tree diagram and the pdf browser with the feedback function are utilized to determine two-dimensional diagram data to be exported in real time, and then the two-dimensional diagram data is matched with the model to carry out real-time diagram, so that a pre-picture storage database is not needed, and the technical effect of reducing the storage pressure of the two-dimensional diagram is achieved.
Example 1
As shown in fig. 1, the present application provides a building intelligence plotting method based on BIM technology, which includes the steps of:
s100: obtaining basic information of a BIM three-dimensional building model, wherein the basic information of the BIM three-dimensional building model comprises a model relation tree diagram;
further, as shown in fig. 2, the obtaining basic information of the BIM three-dimensional building model, where the basic information of the BIM three-dimensional building model includes a model relationship tree diagram, and step S100 includes the steps of:
s110: performing first-level segmentation on the BIM three-dimensional integral model to generate a second-level leaf node three-dimensional model;
s120: traversing the three-dimensional model of the second-level leaf node to carry out second-level segmentation, and generating a three-dimensional model of a third-level leaf node;
s130: traversing the three-dimensional model of the leaf node of the nth level to perform N-1 level segmentation to generate the three-dimensional model of the nth level;
s140: and setting the BIM three-dimensional integral model as a root node, setting the second-level leaf node three-dimensional model, the third-level leaf node three-dimensional model until the N-1-level leaf node three-dimensional model and the N-level three-dimensional model as leaf nodes, and constructing the model relation tree diagram.
In detail, the basic information of the BIM three-dimensional building model at least stores the relation data of each mother and child node model of the BIM three-dimensional building model, wherein the mother node model refers to a macroscopic integral model relative to the child node model, and the child node models are spliced together to form the mother node model. In any BIM three-dimensional building model, the model relationship tree diagram is introduced to store the mother-child attribution relationship among the node models because the relationship presents tree-like characteristics.
The model relationship dendrogram construction flow is preferably as follows:
the BIM three-dimensional integral model refers to a node which is preset to start building model segmentation, and a sub-node model of the BIM three-dimensional integral model is segmented and is set as a second-level leaf node three-dimensional model; and separating sub-node models of any second-level leaf node three-dimensional model from the second-level leaf node three-dimensional model, and storing the sub-node models in an associated mode. Repeating the segmentation until the N-1 level segmentation is carried out on any one of the N-1 level leaf node three-dimensional models to obtain an N level three-dimensional model; the nth level three-dimensional model refers to a node model group without child node models. At this time, the separated BIM three-dimensional overall model and the second-level leaf node three-dimensional model have a parent-child relationship, the second-level leaf node three-dimensional model and the third-level leaf node three-dimensional model have a parent-child relationship … …, the N-1-level leaf node three-dimensional model and the N-level three-dimensional model have a parent-child relationship, the BIM three-dimensional overall model is set as a root node, and the second-level leaf node three-dimensional model, the third-level leaf node three-dimensional model, the N-1-level leaf node three-dimensional model and the N-level three-dimensional model are set as leaf nodes of each level, thereby obtaining a model relationship tree diagram.
Any clicked node can be responded quickly through the model relation tree diagram, so that corresponding node model parameters are determined, and a guarantee is provided for efficient real-time diagram.
S200: constructing a pdf building plan according to the BIM three-dimensional integral model;
further, as shown in fig. 3, the step S200 of constructing the pdf building plan according to the BIM three-dimensional integral model includes the steps of:
s210: acquiring pdf map control parameters, wherein the pdf map control parameters comprise a preset map position list and a preset map direction list;
s220: cutting the BIM three-dimensional integral model according to the preset map position list and the preset map direction list to generate a plurality of two-dimensional building maps;
s230: typesetting the two-dimensional building graphs to generate the pdf building plan.
Further, typesetting the plurality of two-dimensional building graphs to generate the pdf building plan, and step S230 includes the steps of:
s231: performing cluster analysis on the two-dimensional building graphs according to the graph positions to generate a primary plane graph clustering result;
s232: performing cluster analysis on the two-dimensional building graphs according to the graph direction to generate a secondary plane graph clustering result;
s233: intersection is taken from the primary plane graph clustering result and the secondary plane graph clustering result, and a tertiary plane graph clustering result is generated;
s234: and traversing the three-level plan clustering result to typeset, and generating the pdf building plan.
Further, traversing the three-level plan clustering result to typeset, and generating the pdf building plan, wherein step S234 includes the steps of:
s2341: acquiring three-level plan view quantity information according to the three-level plan view clustering result, wherein the three-level plan view quantity information corresponds to the three-level plan view clustering result one by one;
s2342: according to the three-level plan number information, carrying out region segmentation on the pdf browser interface to obtain a display interface region segmentation result:
s2343: typesetting is conducted according to the display interface region division result, and the pdf building plan is generated.
In detail, the pdf building plan is mapped according to the BIM three-dimensional integral model, and the obtained plan representing all angles and all sections of the building integral is preferably mapped according to the following algorithm flow:
and determining pdf graph control parameters, wherein the pdf graph control parameters represent graph control parameters set by staff, and comprise a preset graph position list and a preset graph direction list. The preset drawing position refers to a section starting position at any selected view angle of the BIM three-dimensional integral model, the section starting position is preferably a line, namely, the preset drawing position represents a connecting line of two determined position points at any view angle, and the section takes the line as a starting point to cut a drawing of the BIM three-dimensional integral model; the preset drawing direction refers to the extending direction of a cutting plane for cutting the drawing at the preset drawing position. Storing a plurality of preset drawing positions and preset drawing directions which are in one-to-one correspondence as a preset drawing position list and a preset drawing direction list respectively, and setting the preset drawing positions and the preset drawing directions as a state to be responded and waiting for later steps to be used.
Cutting the BIM three-dimensional integral model according to any group of preset drawing positions and preset drawing directions which correspond to each other in the preset drawing position list and the preset drawing direction list, and deriving the tangent planes to obtain a plurality of two-dimensional building drawings; and automatically typesetting the two-dimensional building graphs to generate the pdf building plan.
Further, the automatic typesetting process of the two-dimensional building graphs is as follows:
the primary plan clustering result refers to a result obtained by performing clustering analysis on a plurality of two-dimensional building graphs according to the graph positions, namely, the two-dimensional building graphs with the same graph positions are clustered into one type; the secondary plan clustering result refers to a result obtained by performing clustering analysis on a plurality of two-dimensional building graphs according to the direction of the graph, namely, the two-dimensional building graphs with the same direction of the graph are clustered into one type. And then, taking intersection of the primary plane graph clustering result and the secondary plane graph clustering result to obtain a tertiary plane graph clustering result, namely, in any class, the graph positions are the same and the graph directions are the same.
Further, generating one pdf graph or a plurality of continuous pdf graphs for any class of three-level plan graph clustering results; still further, different categories of pdf map groupings are stored and a worker looks at each type of pdf building plan by clicking on the different groupings.
Further, according to the three-level plan view quantity information of the pdf images generated by the clustering result of the three-level plan view of any type, region segmentation is performed on the pdf browser interface for performing pdf browsing, preferably, the size of the region occupied by a single picture is set, and the total size information occupied by any type of display region is determined according to the three-level plan view quantity information. And then, carrying out region segmentation on the pdf browser interface according to the three-level plan number information to obtain a display interface region segmentation result for representing the pdf picture display picture. Preferably, when the set size of the pdf browser interface is divided, but the three-level plan clustering result is not divided completely, one page of pdf browser interface is added to continue dividing, and any group has the same drawing position and drawing direction identification, and data such as size, specification identification and the like. Typesetting is carried out according to the display interface region division result, and the pdf graph is filled, so that the pdf building plan is obtained.
The existing pdf graphs are generally arranged on the pdf building plan according to the graph time sequence, so that the visibility is weak, and the visibility is improved by clustering graph results according to the same graph position and graph direction, so that the method is more convenient for assisting workers in building construction management.
S300: setting the pdf building plan as a pdf browser first display interface;
s400: acquiring first feedback information from a first display interface of the pdf browser, wherein the first feedback information comprises drawing view angle information and drawing node information;
in detail, a model node which can be subdivided can be preset in the pdf browser, whether the corresponding node can be subdivided or not can be set according to a model relation tree diagram, when a sub-node model exists, the sub-node model can be subdivided, and the subdivided node is set for the pdf building plan according to the model relation tree diagram, so that a first browser display interface is obtained.
When a worker clicks a certain node on the pdf browser first display interface and the corresponding node can be subdivided, the corresponding sub-node model number of the node can be jumped out, and if the jumped-out sub-node has a sub-node model, the sub-node model number can be further jumped out by clicking, and until the sub-node model number cannot be jumped out by clicking. When a worker clicks any child node model number in a certain node of the pdf browser first display interface, the worker jumps out: and if the pdf map is confirmed, adding the clicked node and the user-defined view angle data into the first feedback information, setting the first feedback information into a state to be responded, and waiting for later calling, wherein the pdf browser is a browser for browsing the pdf, and can be any one of software with the function of browsing the pdf and a webpage plug-in.
S500: inputting the graph node information into the model relation tree graph to obtain a node matching model;
in detail, the node information input and the node model number are input into a model relation tree diagram, so that the node matching model corresponding to the number can be matched, and the three-dimensional model required to be taken from the BIM building model is characterized. Based on the mother-son relationship with clear hierarchy and the number-node model name corresponding to each other, the node matching model can be determined efficiently.
S600: performing drawing optimization on the node matching model according to the drawing view angle information to generate parameter information to be drawn;
s700: and constructing a second display interface of the pdf browser according to the parameter information to be mapped.
Further, performing graph optimization on the node matching model according to the graph view angle information to generate to-be-mapped parameter information, and step S600 includes the steps of:
s610: acquiring node plotting position information and node plotting direction information according to the plotting view angle information;
s620: cutting the node matching model according to the node plotting position information and the node plotting direction information to obtain node model two-dimensional plot parameters;
s630: and adding the node model two-dimensional graph parameters into the to-be-mapped parameters.
Further, cutting the node matching model according to the node graph position information and the node graph direction information to obtain two-dimensional graph parameters of the node model, wherein step S620 includes the steps of:
s621: constructing a BIM reference surface model according to node plotting position information and node model plotting direction information;
s622: judging whether the BIM reference surface model passes through the node matching model or not;
s623: if the node model passes through the BIM reference plane model, cutting the node matching model according to the BIM reference plane model, and generating a node model section two-dimensional map parameter;
s624: if the node matching model does not pass through the BIM reference plane model, the BIM reference plane model cuts the node matching model to generate a node model preset visual angle two-dimensional graph parameter;
s625: and adding the node model section two-dimensional graph parameters or/and the node model preset view angle two-dimensional graph parameters into the node model two-dimensional graph parameters.
In detail, the to-be-mapped parameter information refers to picture parameter information about to be mapped in pdf real-time, and the pdf real-time picture can be generated according to the to-be-mapped parameter information, and a determining flow of the to-be-mapped parameter information is as follows:
the view angle information refers to a view angle corresponding to the graph, for example: side view, top view, bottom view, etc. Further, the drawing view angle information includes node drawing position information and node drawing direction information, the node drawing position information refers to starting point information set by a worker to cut a model on the basis of the determination of the drawing view angle information, and preferably the starting point information is composed of two points with determined positions; the node map direction information refers to plane direction data set by a worker and extending from the node map position information.
The plane obtained after extension can be used for cutting the node model, and parameters corresponding to the two-dimensional graph of the node model obtained through the cutting surface after cutting are set as parameters of the two-dimensional graph of the node model.
Preferably, the cutting process is as follows, the BIM reference surface model refers to a cutting surface which takes node plotting position information as a starting point and extends based on node plotting direction information; when the BIM reference plane model passes through the node matching model, cutting the node matching model, and then extracting two-dimensional map parameters of a cut model section to be set as two-dimensional map parameters of the node model section; when the BIM reference plane model does not pass through the node matching model, cutting the node matching model, obtaining a two-dimensional graph which is a certain set view angle of the node model, and setting the two-dimensional graph parameter of the certain set view angle of the node model as the preset view angle two-dimensional graph parameter of the node model, wherein the two-dimensional graph is not a section view. Further, the node model profile two-dimensional map parameters, or the node model preset view angle two-dimensional map parameters, or the node model profile two-dimensional map parameters and the node model preset view angle two-dimensional map parameters are added into the node model two-dimensional map parameters. And the pdf building drawing is convenient to be carried out in the later step with high efficiency.
In summary, the embodiments of the present application have at least the following technical effects:
according to the technical scheme, the overall and local model relation of the BIM three-dimensional building model is stored in a model relation tree diagram, and then the diagram is drawn according to the BIM three-dimensional overall model, so that a pdf building plan is determined; setting the pdf building plan as a pdf browser first display interface; determining first feedback information of the graphic information required by the user by acquiring click information of the user on a first display interface of the pdf browser; inputting the first feedback information into a model relation tree diagram; thereby determining a node matching model; determining the graph parameters according to the node matching model to obtain the to-be-mapped parameter information; and constructing a second display interface of the pdf browser in real time according to the parameter information to be mapped. And the model relationship tree diagram and the pdf browser with the feedback function are utilized to determine two-dimensional diagram data to be exported in real time, and then the two-dimensional diagram data is matched with the model to carry out real-time diagram, so that a pre-picture storage database is not needed, and the technical effect of reducing the storage pressure of the two-dimensional diagram is achieved.
Example two
Based on the same inventive concept as the building intelligence plotting method based on the BIM technology in the foregoing embodiments, as shown in fig. 4, the present application provides a building intelligence plotting system based on the BIM technology, including:
a first obtaining unit 11, configured to obtain basic information of a BIM three-dimensional building model, where the basic information of the BIM three-dimensional building model includes a model relationship tree diagram;
a plan construction unit 12 for constructing pdf building plan from the BIM three-dimensional overall model;
a first interface setting unit 13, configured to set the pdf building plan as a pdf browser first display interface;
a second obtaining unit 14, configured to obtain first feedback information from the pdf browser first display interface, where the first feedback information includes graph view angle information and graph node information;
the node model matching unit 15 is used for inputting the graph node information into the model relation tree graph to obtain a node matching model;
the graph parameter determining unit 16 is configured to perform graph optimization on the node matching model according to the graph view angle information, and generate to-be-mapped parameter information;
and a second interface setting unit 17, configured to construct a pdf browser second display interface according to the parameter information to be mapped.
Further, the first obtaining unit 11 performs the steps of:
performing first-level segmentation on the BIM three-dimensional integral model to generate a second-level leaf node three-dimensional model;
traversing the three-dimensional model of the second-level leaf node to carry out second-level segmentation, and generating a three-dimensional model of a third-level leaf node;
traversing the three-dimensional model of the leaf node of the nth level to perform N-1 level segmentation to generate the three-dimensional model of the nth level;
and setting the BIM three-dimensional integral model as a root node, setting the second-level leaf node three-dimensional model, the third-level leaf node three-dimensional model until the N-1-level leaf node three-dimensional model and the N-level three-dimensional model as leaf nodes, and constructing the model relation tree diagram.
Further, the plan view constructing unit 12 performs the steps of:
acquiring pdf map control parameters, wherein the pdf map control parameters comprise a preset map position list and a preset map direction list;
cutting the BIM three-dimensional integral model according to the preset map position list and the preset map direction list to generate a plurality of two-dimensional building maps;
typesetting the two-dimensional building graphs to generate the pdf building plan.
Further, the plan view constructing unit 12 performs the steps of:
performing cluster analysis on the two-dimensional building graphs according to the graph positions to generate a primary plane graph clustering result;
performing cluster analysis on the two-dimensional building graphs according to the graph direction to generate a secondary plane graph clustering result;
intersection is taken from the primary plane graph clustering result and the secondary plane graph clustering result, and a tertiary plane graph clustering result is generated;
and traversing the three-level plan clustering result to typeset, and generating the pdf building plan.
Further, the plan view constructing unit 12 performs the steps of:
acquiring three-level plan view quantity information according to the three-level plan view clustering result, wherein the three-level plan view quantity information corresponds to the three-level plan view clustering result one by one;
according to the three-level plan number information, carrying out region segmentation on the pdf browser interface to obtain a display interface region segmentation result:
typesetting is conducted according to the display interface region division result, and the pdf building plan is generated.
Further, the map parameter determining unit 16 performs the steps of:
acquiring node plotting position information and node plotting direction information according to the plotting view angle information;
cutting the node matching model according to the node plotting position information and the node plotting direction information to obtain node model two-dimensional plot parameters;
and adding the node model two-dimensional graph parameters into the to-be-mapped parameters.
Further, the map parameter determining unit 16 performs the steps of:
constructing a BIM reference surface model according to node plotting position information and node model plotting direction information;
judging whether the BIM reference surface model passes through the node matching model or not;
if the node model passes through the BIM reference plane model, cutting the node matching model according to the BIM reference plane model, and generating a node model section two-dimensional map parameter;
if the node matching model does not pass through the BIM reference plane model, the BIM reference plane model cuts the node matching model to generate a node model preset visual angle two-dimensional graph parameter;
and adding the node model section two-dimensional graph parameters or/and the node model preset view angle two-dimensional graph parameters into the node model two-dimensional graph parameters.
Example III
As shown in fig. 5, based on the same inventive concept as a building intelligence mapping method based on BIM technology in the foregoing embodiments, the present application further provides a computer device 300, where the computer device 300 includes a memory 301 and a processor 302, and a computer program is stored in the memory 301, where the computer program is executed by the processor 302 to implement steps of a method in an embodiment.
The computer device 300 includes: a processor 302, a communication interface 303, a memory 301. Optionally, the computer device 300 may also include a bus architecture 304. Wherein the communication interface 303, the processor 302 and the memory 301 may be interconnected by a bus architecture 304; the bus architecture 304 may be a peripheral component interconnect (peripheral component interconnect, PCI) bus, or an extended industry standard architecture (extended industry Standard architecture, EISA) bus, among others. The bus architecture 304 may be divided into address buses, data buses, control buses, and the like. For ease of illustration, only one thick line is shown in fig. 5, but not only one bus or one type of bus.
The communication interface 303 uses any transceiver-like means for communicating with other devices or communication networks, such as ethernet, radio access network (radio access network, RAN), wireless local area network (wireless local area networks, WLAN), wired access network, etc.
The memory 301 may be, but is not limited to, ROM or other type of static storage device, RAM or other type of dynamic storage device, which may store static information and instructions, or may be an electrically erasable programmable read-only memory (electrically erasable Programmable read only memory, EEPROM), a compact disk read-only memory (compact discread only memory, CD ROM) or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), magnetic disk storage or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be self-contained and coupled to the processor through bus architecture 304. The memory may also be integrated with the processor.
The memory 301 is used for storing computer-executable instructions for executing the embodiments of the present application, and is controlled by the processor 302 to execute the instructions. The processor 302 is configured to execute computer-executable instructions stored in the memory 301, so as to implement a building intelligence mapping method based on the BIM technology provided in the foregoing embodiments of the present application.
The specification and drawings are merely exemplary of the application and are to be regarded as covering any and all modifications, variations, combinations, or equivalents that are within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (8)
1. The building intelligence drawing method based on BIM technology is characterized by comprising the following steps:
obtaining basic information of a BIM three-dimensional building model, wherein the basic information of the BIM three-dimensional building model comprises a model relation tree diagram;
constructing a pdf building plan according to the BIM three-dimensional integral model;
setting the pdf building plan as a pdf browser first display interface;
acquiring first feedback information from a first display interface of the pdf browser, wherein the first feedback information comprises drawing view angle information and drawing node information;
inputting the graph node information into the model relation tree graph to obtain a node matching model;
performing drawing optimization on the node matching model according to the drawing view angle information to generate parameter information to be drawn;
constructing a pdf browser second display interface according to the parameter information to be mapped;
the performing graph optimization on the node matching model according to the graph view angle information to generate to-be-mapped parameter information includes:
acquiring node plotting position information and node plotting direction information according to the plotting view angle information;
cutting the node matching model according to the node plotting position information and the node plotting direction information to obtain node model two-dimensional plot parameters;
and adding the node model two-dimensional graph parameters into the to-be-mapped parameters.
2. The building intelligence plotting method based on the BIM technology according to claim 1, wherein the obtaining basic information of the BIM three-dimensional building model includes a model relationship tree diagram, and includes:
performing first-level segmentation on the BIM three-dimensional integral model to generate a second-level leaf node three-dimensional model;
traversing the three-dimensional model of the second-level leaf node to carry out second-level segmentation, and generating a three-dimensional model of a third-level leaf node;
traversing the three-dimensional model of the leaf node of the nth level to perform N-1 level segmentation to generate the three-dimensional model of the nth level;
and setting the BIM three-dimensional integral model as a root node, setting the second-level leaf node three-dimensional model, the third-level leaf node three-dimensional model until the N-1-level leaf node three-dimensional model and the N-level three-dimensional model as leaf nodes, and constructing the model relation tree diagram.
3. The building intelligence drawing method based on the BIM technology as recited in claim 1, wherein the constructing pdf building plan according to the BIM three-dimensional overall model comprises:
acquiring pdf map control parameters, wherein the pdf map control parameters comprise a preset map position list and a preset map direction list;
cutting the BIM three-dimensional integral model according to the preset map position list and the preset map direction list to generate a plurality of two-dimensional building maps;
typesetting the two-dimensional building graphs to generate the pdf building plan.
4. A building intelligence drawing method based on BIM technology according to claim 3, wherein typesetting the plurality of two-dimensional building drawings to generate the pdf building plan includes:
performing cluster analysis on the two-dimensional building graphs according to the graph positions to generate a primary plane graph clustering result;
performing cluster analysis on the two-dimensional building graphs according to the graph direction to generate a secondary plane graph clustering result;
intersection is taken from the primary plane graph clustering result and the secondary plane graph clustering result, and a tertiary plane graph clustering result is generated;
and traversing the three-level plan clustering result to typeset, and generating the pdf building plan.
5. The building intelligence graph method based on the BIM technology as set forth in claim 4, wherein traversing the three-level plan clustering results to typeset, generating the pdf building plan comprises:
acquiring three-level plan view quantity information according to the three-level plan view clustering result, wherein the three-level plan view quantity information corresponds to the three-level plan view clustering result one by one;
performing region segmentation on the pdf browser interface according to the three-level plan quantity information to obtain a display interface region segmentation result;
typesetting is conducted according to the display interface region division result, and the pdf building plan is generated.
6. The building intelligence drawing method based on the BIM technology according to claim 1, wherein the node matching model is cut according to the node drawing position information and the node drawing direction information to obtain two-dimensional drawing parameters of the node model, comprising:
constructing a BIM reference surface model according to node plotting position information and node model plotting direction information;
judging whether the BIM reference surface model passes through the node matching model or not;
if the node model passes through the BIM reference plane model, cutting the node matching model according to the BIM reference plane model, and generating a node model section two-dimensional map parameter;
if the model does not pass through, cutting the node matching model according to the BIM reference plane model to generate a node model preset view angle two-dimensional graph parameter;
and adding the node model section two-dimensional graph parameters or/and the node model preset view angle two-dimensional graph parameters into the node model two-dimensional graph parameters.
7. A building intelligence mapping system based on BIM technology for implementing the method of any one of claims 1 to 6, comprising:
the first obtaining unit is used for obtaining basic information of the BIM three-dimensional building model, wherein the basic information of the BIM three-dimensional building model comprises a model relation tree diagram;
the plan constructing unit is used for constructing a pdf building plan according to the BIM three-dimensional integral model;
the first interface setting unit is used for setting the pdf building plan as a pdf browser first display interface;
the second obtaining unit is used for obtaining first feedback information from the pdf browser first display interface, wherein the first feedback information comprises graphic view angle information and graphic node information;
the node model matching unit is used for inputting the graph node information into the model relation tree graph to obtain a node matching model;
the drawing parameter determining unit is used for carrying out drawing optimization on the node matching model according to the drawing view angle information to generate to-be-drawn parameter information;
the performing graph optimization on the node matching model according to the graph view angle information to generate to-be-mapped parameter information includes:
acquiring node plotting position information and node plotting direction information according to the plotting view angle information;
cutting the node matching model according to the node plotting position information and the node plotting direction information to obtain node model two-dimensional plot parameters;
adding the node model two-dimensional graph parameters into the to-be-mapped parameters;
and the second interface setting unit is used for constructing a pdf browser second display interface according to the parameter information to be mapped.
8. A computer device, characterized in that it comprises a memory and a processor, the memory having stored therein a computer program which, when executed by the processor, implements the steps of the method according to any of claims 1-6.
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