CN112948928A - Headroom calculation method based on building information model and related device - Google Patents
Headroom calculation method based on building information model and related device Download PDFInfo
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Abstract
The application provides a clearance height calculation method and a related device based on a building information model, and the method comprises the following steps of firstly, obtaining a building information model of a target building constructed according to an engineering drawing of the target building; then, identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height; then, determining the top lowest elevation of the target space; and finally, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height. The calculation of the clearance height can be automatically identified in the target area, the model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
Description
Technical Field
The application relates to the technical field of Building Information Models (BIMs), in particular to a headroom calculation method based on a building information model and a related device.
Background
In the field of Building engineering, Building Information Modeling (BIM) applications are embodied in a component production phase, a transportation phase, a field construction phase, and an operation and maintenance phase. The clearance height is an important building parameter, and how to calculate and obtain the clearance height efficiently becomes a problem.
According to the existing method, after the BIM model is established, the clearance height of the area needs to be manually calculated by manually checking the relevant area, so that the efficiency is low, and a large amount of manpower is wasted.
Disclosure of Invention
Based on the problems, the application provides a headroom calculation method and a related device based on a building information model, the calculation of the headroom in a target area can be automatically identified, the model does not need to be checked manually, the labor cost is reduced, and meanwhile the efficiency of the headroom calculation is greatly improved.
In a first aspect, an embodiment of the present application provides a headroom calculation method based on a building information model, where the method includes:
acquiring a building information model of a target building constructed according to an engineering drawing of the target building;
identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height;
determining a top minimum elevation of the target space;
and calculating according to the preset bottom elevation of the target space and the minimum top elevation to obtain the target clearance height.
In a second aspect, an embodiment of the present application provides a headroom calculation apparatus based on a building information model, including:
the modeling unit is used for acquiring a building information model of a target building, which is constructed according to an engineering drawing of the target building;
the identification unit is used for identifying a target space of the building information model, and the target space is used for representing a closed space needing to calculate the clearance height;
a first height calculation unit for determining a top lowest elevation of the target space;
and the second height calculating unit is used for calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height.
In a third aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing the steps in the first aspect of the embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program enables a computer to perform some or all of the steps described in the first aspect of the embodiment of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps as described in the first aspect of the embodiments of the present application. The computer program product may be a software installation package.
Therefore, according to the method and the related device for calculating the clearance height based on the building information model provided by the embodiment of the application, firstly, the building information model of the target building constructed according to the engineering drawing of the target building is obtained; then, identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height; then, determining the top lowest elevation of the target space; and finally, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height. The calculation of the clearance height can be automatically identified in the target area, the model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a system architecture diagram of a headroom calculation method based on a building information model according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a method for calculating a clearance height based on a building information model according to an embodiment of the present application;
fig. 3 is a schematic flowchart of another headroom calculation method based on a building information model according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;
fig. 5 is a headroom calculation apparatus based on a building information model according to an embodiment of the present application;
fig. 6 is another headroom calculation device based on a building information model according to an embodiment of the present disclosure.
Detailed Description
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions of the present application better understood, 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 a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The electronic device described in the embodiment of the present application may include a smart Phone (e.g., an Android Phone, an iOS Phone, a Windows Phone, etc.), a tablet computer, a palm computer, a notebook computer, a video matrix, a monitoring platform, a Mobile Internet device (MID, Mobile Internet Devices), or a wearable device, which are merely examples, but not exhaustive, and include but are not limited to the foregoing Devices.
A system architecture of a headroom calculation method based on a building information model in the embodiment of the present application is described below with reference to fig. 1, fig. 1 is a system architecture diagram of a method for calculating a headroom based on a building information model according to an embodiment of the present disclosure, where the system architecture 100 may include a development device 110 and a server 120, the development device 110 may be configured to obtain a building information model (i.e., BIM model) of a target building, which is constructed according to an engineering drawing of the target building, the engineering drawing may be drawn by CAD software, and the format may include dwg format, it is understood that the engineering drawing may include a plurality of drawings, a complete building information model may be constructed and rendered according to the engineering drawing, the rendering software of the building information model may be, but is not limited to, REVIT, guangda, 3DMAX, and the like. The development device 110 may be communicatively connected to the server 120, and upload the constructed building information model to the server 120, and the server 120 may have a built-in recognition algorithm and a calculation algorithm for recognizing the building information model from the development device 110, analyzing relevant component information in the building information model to determine a target space, where the target space represents a closed space where the headroom needs to be calculated, and after the target space is recognized, invoking the calculation algorithm to calculate the headroom of the target space. It is understood that the server 120 can simultaneously identify all the closed spaces of the whole building information model and calculate the headroom of each closed space, thereby completing the headroom calculation for the whole target building.
Therefore, through the system architecture, the target area in the building information model can be automatically identified and the corresponding clearance height can be calculated, manual checking of the model is not needed for calculation, and the efficiency of calculating the clearance height is greatly improved.
Fig. 2 is a schematic flow chart of a method for calculating a clearance based on a building information model according to an embodiment of the present application, and specifically, the method includes the following steps:
The target building can be a building, a garage and the like, the engineering drawings are CAD drawings which can support and construct a complete building information model, modeling personnel can construct a basic BIM through preprocessing the engineering drawings, and then can further render the BIM to obtain a three-dimensional building information model, wherein the building information model comprises a large number of relevant parameters of the target building, such as the height of a floor, the size of an area and the like. The server side can acquire the building information model.
Therefore, by constructing the building information model, a large amount of parameter information of the target building can be carried in the three-dimensional model, and the accuracy of subsequent target space identification is improved.
Wherein the target space is used to represent any closed space in which the clearance height needs to be calculated, such as any room of a residential building.
Specifically, target component information in the building information model may be read first, where the target component information may include a structural wall parameter, a column parameter, a beam parameter, a building wall parameter, an electromechanical component parameter, a partition wall parameter, and the like, then a size parameter of the enclosed space is determined according to the structural wall parameter, the column parameter, the beam parameter, the building wall parameter, the electromechanical component parameter, and the partition wall parameter, and the target space is partitioned according to the size parameter of the enclosed space, it can be understood that a positional relationship and a connection relationship of the structural wall, the column, the beam, the building wall, and the partition wall may be determined by a size of each structural wall, a size of each column, a size of each beam, a size of each building wall, and a size of each partition wall, so as to determine a size parameter of the enclosed space composed of all target components, it should be noted that the enclosed space does not represent a space completely enclosed without a gap, as long as there is a void less than a preset void threshold, the space may be considered to be a closed space.
In one possible embodiment, the target member information in the building information model may be determined by:
target component identification and three-dimensional positioning can be carried out on the engineering drawing of the target building; the target member identification can be carried out on the target member by a building symbol identification method, so that the plane size, the position information and the like of a wall, a door and a window member are obtained; the three-dimensional positioning refers to establishing a global coordinate system, and performing global positioning on the position of each identified member, for example, when a member such as a door, a window, a wall and the like is identified, data such as a relative position and a size of the member in a two-dimensional engineering drawing can be determined, and the relative position is converted into a position in the global coordinate system, so as to determine target member information of a corresponding position in the building information model.
In one possible embodiment, the target member information in the building information model may be determined by:
the building information model is input into the component recognition model, and the target component is determined according to the output of the component recognition model, where the component recognition model may be a trained neural network model, and may include an input layer, a convolutional layer, a pooling layer, a fully connected layer, an output layer, and the like, which is not specifically limited herein. In determining the target members, each target member may be automatically measured to determine target member information.
It is understood that, this step may be performed to identify all the spaces in the building information model that need to be subjected to the headroom calculation, and this step is merely illustrated as an example for understanding the identification process of one target space, and a plurality of "target spaces" may be identified simultaneously in the actual identification, and is not limited specifically herein.
Therefore, the space in the building information model, which needs to be measured, can be automatically determined by identifying the target space of the building information model, and the efficiency of calculating the clearance height is improved.
Wherein a first top minimum value of the target space, such as a minimum height of a ceiling, can be determined based on the dimensional parameter, while a second top minimum value of the mechatronic device within the target space can be identified, it being understood that the mechatronic device herein can be included in the previously identified target member, and the minimum height of the mechatronic device can be one of the parameters required for headroom calculation based on existing room headroom calculation rules; then, a target floor where the target space is located can be obtained, if the target space is on the third floor, a high-rise floor parameter of the fourth floor can be obtained, wherein the high-rise floor parameter comprises a bottom elevation of the high-rise floor, namely a floor elevation of the fourth floor; finally, the first top minimum, the second top minimum and the high floor bottom elevation may be compared to determine the minimum as the top minimum elevation. That is, if the first top lowest value is the minimum value, determining that the first top lowest value is the top lowest elevation; if the second top lowest value is the minimum value, determining the second top lowest value as the top lowest elevation; and if the bottom elevation of the high-rise floor is the minimum value, determining the bottom elevation of the high-rise floor as the lowest elevation of the top.
Therefore, the top minimum elevation of the target space can be automatically identified under the condition of meeting the relevant calculation rules by determining the top minimum elevation of the target space, and the accuracy of the calculation of the subsequent clearance height is improved.
And 204, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height.
Wherein the target headroom height may be calculated by the following formula:
target clearance height-top lowest elevation-preset bottom elevation
The preset bottom elevation can be determined by obtaining the floor of the target space, and the elevation of the floor is the preset bottom elevation.
Therefore, by the method, the calculation of the clearance height of the target area can be automatically identified, a model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
Fig. 3 is a schematic flow chart of another method for calculating headroom based on a building information model according to an embodiment of the present application, and specifically, fig. 3 includes the following steps:
And step 304, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height.
the space types can be obtained by reading the building information model, and can comprise shopping malls, apartment rooms, underground garage parking spaces and the like. For example, the type of the target building may be determined according to the building information model, and then the type of the target space may be determined, for example, if the target building is a civil building, the type of the target space may include a house, a toilet, a kitchen, and the like, and is not specifically limited herein. It is understood that the spatial types of all the target spaces in the building information model can be acquired simultaneously.
Therefore, the space type of the target space of the building information model is obtained, a basis can be provided for subsequently verifying the accuracy of the target clearance height, and the accuracy of the target clearance height is improved.
The preset headroom may be obtained through a relevant specification of a space type, or may be set by itself, and the preset headroom may be a range or a value, which is not specifically limited herein.
In one possible embodiment, if the type of space is a bedroom of a house, the following is specified in the House design Specification GB 50096-2011:
the indoor clear height of a bedroom and a living room (a living room) is not less than 2.40m, the local clear height is not less than 2.10m, and the indoor area of the local clear height is not more than 1/3 of the indoor use area. When the space in the pitched roof is used as a bedroom or a living room (a living room), the indoor clear height of at least 1/2 using area is not less than 2.10 m.
The preset headroom may be determined to be greater than or equal to 2.10m to 2.40 m.
In one possible embodiment, if the type of space is a kitchen or toilet of a home, the following is specified according to the residential design Specification GB 50096-2011:
the indoor clear height of the kitchen and the toilet is not less than 2.20 m. The clear distance between the lower surface of the horizontal drainage pipe in the kitchen and the toilet and the floor and the ground is not less than 1.90m, and the opening of the door and the window sashes is not influenced.
The preset headroom may be determined to be greater than or equal to 1.90m to 2.20 m.
Therefore, according to the preset clearance height determined by the space type, the reasonability of the preset clearance height can be improved, and reference is provided for subsequent comparison with the target clearance height.
The target headroom may be compared with a preset headroom to determine a difference between the headrooms, where it is understood that the preset headroom is a reasonable headroom of the target space, and if the difference between the target headroom and the preset headroom is too large, the target headroom may be determined to be an unreasonable value, which may be a calculation error or a model modeling error. Calculating the headroom difference can improve the accuracy of the target headroom.
And 308, when the clearance height difference value is smaller than or equal to a preset difference threshold value, generating a clearance height analysis table with the target clearance height in a normal state.
The preset difference threshold value can be set according to relevant building specifications or set according to experience values. It is understood that all target spaces in the building information model are included in the headroom analysis table, and the headroom analysis table can reflect the headroom status of the target space.
Therefore, the headroom height analysis table can be used for verifying after calculating the target headroom height, so that the accuracy of the target headroom height is improved, reference data of abnormal parts are provided for users, and the user experience is improved.
The above parts which are not described in detail can be referred to the description of all or part of the method in fig. 2, and are not described again here.
An electronic device in the embodiment of the present application is described below with reference to fig. 4, fig. 4 is a schematic structural diagram of an electronic device provided in the embodiment of the present application, as shown in fig. 4, the electronic device 400 includes a processor 401, a communication interface 402, and a memory 403, where the processor, the communication interface, and the memory are connected to each other, where the electronic device 400 may further include a bus 404, the processor 401, the communication interface 402, and the memory 403 may be connected to each other through the bus 404, and the bus 404 may be a Peripheral Component Interconnect Standard (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 404 may be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in FIG. 4, but this does not indicate only one bus or one type of bus. The memory 403 is used for storing a computer program comprising program instructions, and the processor is configured to call the program instructions to execute all or part of the method described in fig. 2 or fig. 3.
Therefore, according to the method and the related device for calculating the clearance height based on the building information model provided by the embodiment of the application, firstly, the building information model of the target building constructed according to the engineering drawing of the target building is obtained; then, identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height; then, determining the top lowest elevation of the target space; and finally, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height. The calculation of the clearance height can be automatically identified in the target area, the model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the electronic device comprises corresponding hardware structures and/or software modules for performing the respective functions in order to realize the above-mentioned functions. Those of skill in the art will readily appreciate that the present application is capable of hardware or a combination of hardware and computer software implementing the various illustrative elements and algorithm steps described in connection with the embodiments provided herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the electronic device may be divided into the functional units according to the method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
In the case of dividing each functional module corresponding to each function, a detailed description is given below, with reference to fig. 5, of a headroom calculation apparatus based on a building information model in an embodiment of the present application, where the headroom calculation apparatus 500 includes:
a modeling unit 510, configured to obtain a building information model of a target building, which is constructed according to an engineering drawing of the target building;
an identifying unit 520, configured to identify a target space of the building information model, where the target space is used to represent a closed space where a headroom needs to be calculated;
a first height calculating unit 530 for determining a top lowest elevation of the target space;
and a second height calculating unit 540, configured to calculate according to the preset bottom elevation of the target space and the lowest top elevation to obtain a target clearance height.
Therefore, according to the method and the related device for calculating the clearance height based on the building information model provided by the embodiment of the application, firstly, the building information model of the target building constructed according to the engineering drawing of the target building is obtained; then, identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height; then, determining the top lowest elevation of the target space; and finally, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height. The calculation of the clearance height can be automatically identified in the target area, the model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
In the case of using an integrated unit, the following describes in detail another headroom calculation apparatus 600 based on a building information model in the embodiment of the present application with reference to fig. 6, where the headroom calculation apparatus 600 includes a processing unit 601 and a communication unit 602, where the processing unit 601 is configured to perform any one of the steps in the above method embodiments, and when performing data transmission such as sending, the communication unit 602 is optionally invoked to complete the corresponding operation.
The headroom calculation device 600 may further include a storage unit 603 for storing program codes and data. The processing unit 601 may be a processor, the communication unit 602 may be a touch display screen, and the storage unit 603 may be a memory.
The processing unit 601 is specifically configured to:
acquiring a building information model of a target building constructed according to an engineering drawing of the target building;
identifying a target space of the building information model, wherein the target space is used for representing any closed space needing to calculate the clearance height;
determining a top minimum elevation of the target space;
and calculating according to the preset bottom elevation of the target space and the minimum top elevation to obtain the target clearance height.
Therefore, according to the method and the related device for calculating the clearance height based on the building information model provided by the embodiment of the application, firstly, the building information model of the target building constructed according to the engineering drawing of the target building is obtained; then, identifying a target space of the building information model, wherein the target space is used for representing a closed space needing to calculate the clearance height; then, determining the top lowest elevation of the target space; and finally, calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height. The calculation of the clearance height can be automatically identified in the target area, the model does not need to be checked manually, the labor cost is reduced, and meanwhile, the calculation efficiency of the clearance height is greatly improved.
It can be understood that, since the method embodiment and the apparatus embodiment are different presentation forms of the same technical concept, the content of the method embodiment portion in the present application should be synchronously adapted to the apparatus embodiment portion, and is not described herein again. Both the above-described building information model-based headroom calculation apparatus 500 and the building information model-based headroom calculation apparatus 600 can perform all of the headroom calculation methods included in the above-described embodiments.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, the computer program enabling a computer to perform part or all of the steps of any one of the methods as described in the above method embodiments, and the computer includes a fish school detection device.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package, the computer comprising an electronic device.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A headroom calculation method based on a building information model is characterized by comprising the following steps:
acquiring a building information model of a target building constructed according to an engineering drawing of the target building;
identifying a target space of the building information model, wherein the target space is used for representing any closed space needing to calculate the clearance height;
determining a top minimum elevation of the target space;
and calculating according to the preset bottom elevation of the target space and the minimum top elevation to obtain the target clearance height.
2. The method of claim 1, wherein the identifying the target space of the building information model comprises:
reading target component information in the building information model;
and dividing the target space according to the target component information.
3. The method of claim 2, wherein the target component information includes structural wall parameters, column parameters, beam parameters, building wall parameters, electromechanical component parameters, and partition wall parameters; the dividing the target space according to the target member information includes:
determining a size parameter of a closed space according to the structural wall parameter, the column parameter, the beam parameter, the building wall parameter, the electromechanical component parameter and the partition wall parameter;
and dividing the target space according to the size parameters.
4. The method of claim 3, wherein said determining a top-lowest elevation of said target space comprises:
determining a first top-lowest value of the target space from the size parameter, and identifying a second top-lowest value of an electromechanical device within the target space;
acquiring high-rise floor parameters of a layer above a target floor where the target space is located, wherein the high-rise floor parameters comprise bottom elevations of high-rise floors;
and comparing the first top lowest value, the second top lowest value and the bottom elevation of the high-rise floor, and determining that the minimum value is the top lowest elevation.
5. The method of claim 1, wherein calculating from the preset bottom elevation and the top minimum elevation of the target space a target headroom is obtained, comprising:
and subtracting the preset bottom elevation from the minimum top elevation to obtain the target clearance height.
6. The method of claim 1, wherein after the calculating according to the preset elevation and the lowest elevation of the target space to obtain the target clearance height of the target space, the method further comprises:
acquiring a space type of a target space of the building information model;
determining a preset clearance height according to the space type;
and comparing the target headroom height with a preset headroom height to generate a headroom height analysis table.
7. The method of claim 6, wherein comparing the target headroom to a preset headroom to generate a headroom analysis table comprises:
determining a headroom difference between the target headroom and the preset headroom;
when the headroom difference is smaller than or equal to a preset difference threshold, generating a headroom analysis table of which the target headroom is in a normal state;
and when the headroom difference value is greater than a preset difference threshold value, generating a headroom analysis table of which the target headroom is in an abnormal state.
8. A headroom calculation apparatus based on a building information model, comprising:
the modeling unit is used for acquiring a building information model of a target building, which is constructed according to an engineering drawing of the target building;
the identification unit is used for identifying a target space of the building information model, and the target space is used for representing a closed space needing to calculate the clearance height;
a first height calculation unit for determining a top lowest elevation of the target space;
and the second height calculating unit is used for calculating according to the preset bottom elevation of the target space and the lowest top elevation to obtain the target clearance height.
9. An electronic device comprising a processor, a memory, and one or more programs stored in the memory and configured for execution by the application processor, the programs including instructions for performing the steps of the method of any of claims 1-7.
10. A computer storage medium, characterized in that the computer storage medium stores a computer program comprising program instructions that, when executed by a processor, cause the processor to perform the method according to any of claims 1-7.
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