CN109271685B - BIM-based urban updating and reconstruction data storage method and device - Google Patents
BIM-based urban updating and reconstruction data storage method and device Download PDFInfo
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Abstract
The embodiment of the invention discloses a city updating and reforming data storage method and device based on BIM, comprising the steps of obtaining geometric data information and non-geometric data information of each building in a selected area; building a building model according to the geometric data information and the non-geometric data information of each building and storing the building model; if a new model adding instruction of the building is detected, obtaining a new model, and storing the new model into a storage area of a corresponding building; if a new and old model comparison instruction of the building is detected, acquiring a building model and a new model of the selected building, comparing the building model and the new model to obtain a comparison result, and displaying the comparison result. The historical model and the current model of the building are respectively modeled in the BIM to form the reserved historical data, when the new model and the old model are compared, the building model of the building and the newly added model can be intuitively compared to obtain a comparison result and then displayed, the informatization level of the building model data is improved, and the model can be more intuitively and efficiently checked through the three-dimensional model.
Description
Technical Field
The invention relates to the technical field of building information models, in particular to a city updating and reconstruction data storage method and device based on BIM.
Background
At present, a large amount of information is generated and updated in the whole process of planning, designing, constructing, operating and maintaining and dismantling the building, and the information can be generally divided into two types: geometric information (three-dimensional spatial shape, etc.), non-geometric information (materials, properties, etc.). The conventional mode is to store and process information of the current building in the modes of drawing, chart and the like, so that the informatization level is low, the information is not visual, and the efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a city updating and reforming data storage method and device based on BIM, which aim to solve the problems of low informatization level, non-intuitiveness and low efficiency caused by the fact that information data of a building are stored and processed in a drawing, a chart and other modes in the prior art.
In a first aspect, an embodiment of the present invention provides a method for storing urban transformation data based on BIM, including:
acquiring geometric data information and non-geometric data information of each building in the selected area;
building a building model according to the geometric data information and the non-geometric data information of each building and storing the building model;
if a new model adding instruction of the building is detected, obtaining a new model, and storing the new model into a storage area of a corresponding building;
if a new and old model comparison instruction of the building is detected, acquiring a building model and an newly-added model of the selected building, comparing the building model and the newly-added model of the building to obtain a comparison result, and displaying.
In a second aspect, an embodiment of the present invention provides a BIM-based urban transformation data storage device, including:
the building basic information acquisition unit is used for acquiring geometric data information and non-geometric data information of each building in the selected area;
the modeling storage unit is used for correspondingly creating and storing a building model according to the geometric data information and the non-geometric data information of each building;
the new detection unit is used for acquiring a new model if a new model addition instruction of the building is detected, and storing the new model into a storage area of the corresponding building;
and the new and old comparison unit is used for acquiring the building model and the new model of the selected building if the new and old model comparison instruction of the building is detected, and comparing the building model and the new model of the building to obtain a comparison result and displaying the comparison result.
In a third aspect, an embodiment of the present invention provides a terminal, including a processor, an input device, an output device, and a memory, where the processor, the input device, the output device, and the memory are connected to each other, where the memory is configured to store a computer program supporting the terminal to perform the method described above, the computer program including program instructions, and the processor is configured to execute the program instructions to perform the method of the first aspect described above.
In a fourth aspect, embodiments of the present invention provide a computer readable storage medium storing a computer program comprising program instructions which, when executed by a processor, cause the processor to perform the method of the first aspect described above.
According to the city updating and reforming data storage method and device based on the BIM, the historical model and the current model of the building are modeled in the BIM respectively, when the new and old model comparison instruction of the building is detected, the building model and the new model of the building can be intuitively compared to obtain a comparison result and then displayed, the informatization level of the building model data is improved, and the model can be more intuitively and efficiently checked through the three-dimensional model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a BIM-based urban transformation data storage method in an embodiment of the invention;
FIG. 2 is a schematic flow chart of sub-steps in a BIM-based urban transformation data storage method according to an embodiment of the invention;
FIG. 3 is a schematic flow chart of another sub-step in a BIM-based urban transformation data storage method according to an embodiment of the invention;
FIG. 4 is a schematic flow chart of another sub-step in a BIM-based urban transformation data storage method according to an embodiment of the invention;
FIG. 5 is a schematic flow chart of another sub-step in a BIM-based urban transformation data storage method according to an embodiment of the invention;
FIG. 6 is a schematic block diagram of a BIM-based urban improvement data storage device provided in accordance with one embodiment of the invention;
fig. 7 is a schematic block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
In particular implementations, the terminals described in embodiments of the invention include, but are not limited to, other portable devices such as mobile phones, laptop computers, or tablet computers having a touch-sensitive surface (e.g., a touch screen display and/or a touch pad). It should also be appreciated that in some embodiments, the device is not a portable communication device, but a desktop computer having a touch-sensitive surface (e.g., a touch screen display and/or a touch pad).
In the following discussion, a terminal including a display and a touch sensitive surface is described. However, it should be understood that the terminal may include one or more other physical user interface devices such as a physical keyboard, mouse, and/or joystick.
The terminal supports various applications, such as one or more of the following: drawing applications, presentation applications, word processing applications, website creation applications, disk burning applications, spreadsheet applications, gaming applications, telephony applications, video conferencing applications, email applications, instant messaging applications, workout support applications, photo management applications, digital camera applications, digital video camera applications, web browsing applications, digital music player applications, and/or digital video player applications.
Various applications that may be executed on the terminal may use at least one common physical user interface device such as a touch sensitive surface. One or more functions of the touch-sensitive surface and corresponding information displayed on the terminal may be adjusted and/or changed between applications and/or within the corresponding applications. In this way, the common physical architecture (e.g., touch-sensitive surface) of the terminal may support various applications with user interfaces that are intuitive and transparent to the user.
Referring to fig. 1, fig. 1 is a schematic flow chart of a city transformation data storage method based on BIM according to an embodiment of the present invention. As shown in fig. 1, the city transformation data storage method based on BIM includes:
s101, acquiring geometric data information and non-geometric data information of each building in a selected area;
s102, building models are correspondingly created and stored according to the geometric data information and the non-geometric data information of each building;
s103, if a model adding instruction of the building is detected, obtaining a new model, and storing the new model in a storage area of a corresponding building;
and S104, if a new and old model comparison instruction of the building is detected, acquiring a building model and an newly-added model of the selected building, and comparing the building model and the newly-added model of the building to obtain a comparison result and displaying the comparison result.
In this embodiment, the geometric data information and the non-geometric data information of each building can be obtained by data collection for the building included in each of the plurality of areas in the city. For example, a city is divided into N administrative areas, and it is assumed that M buildings are in one administrative area, and each building collects geometric data information and non-geometric data information. At this time, an initial building model can be correspondingly built according to the geometric data information of each building, and then the non-geometric data information of each building is bound to the corresponding initial building model as attribute data to obtain the building model of each building. Because the building model can be built once for each building to collect the geometric data information and the non-geometric data information, but the building model is built more frequently to generate a large amount of repeated data, the building model of each period can be stored only by collecting the geometric data information and the non-geometric data information of the building again for modeling and storing when the building is updated or rebuilt, and the building model can be used as the basic data for comparing the historical reference data with the data of the building in different periods.
If new building or reconstruction requirements exist in each building in the selected area, the building model at the current moment is stored as historical data, at the moment, geometric data information and non-geometric data information of the newly-added building are correspondingly acquired according to the new building or reconstruction requirements, and a newly-added model is correspondingly generated, and at the moment, the newly-added model is replaced with the building model at the current moment. Because the building model at the current moment is stored as the historical data, when a new and old model comparison instruction of a building is detected, the building model (the building model at the current moment) and the newly-added model of the selected building are obtained, and the building model and the newly-added model of the building are compared to obtain a comparison result and then displayed. Thus, the historical data of each building can be reserved, and accurate historical data can be provided for city updating. For example, the building model of the building is compared with the newly added model, the obtained comparison result is that the building model of the building is larger than the occupation area of the newly added model, and the occupation area of the newly added model is standard legal occupation area, so that the history violation problem of the building can be judged.
In an embodiment, the geometric data information includes spatial position data of a building, three-dimensional size data, spatial constraint relation within the building;
the non-geometric data information comprises material information, price information, engineering sponsor, ownership information, construction party information and remark information of the building.
In this embodiment, the geometric data information of the building is spatial position data (i.e. geographical positioning data representing the building, more vividly, which specific position the building is), three-dimensional size data (i.e. geometric data representing the length, width, height, etc. of the building), and space constraint relation in the building (i.e. space constraint relation between each member in the building, such as corridor, living room, washroom, etc.), which are required for three-dimensional modeling in the BIM (wherein the english holly name of the BIM is Building Information Modeling, which represents the informationized model of the building), and the engineering information, process and resource of each different stage in the whole life cycle of the engineering project can be integrated into one model.
The non-geometric data information of the building comprises material information of the building (which indicates what materials are adopted by each part of the building), price information (which indicates the total cost of the building), engineering sponsor of the building (which indicates who receives construction items of the building), rights information (which indicates property owners of the building), construction party information (which indicates specific construction units of the building) and remark information.
The remark information is written text information aiming at the building model, and the use problems aiming at the building can be recorded in the remark information. And the text information corresponding to different points obtained by comparing the building model of the building with the newly added model can also be recorded in the remark information.
In one embodiment, as shown in fig. 2, the step S101 includes:
s1011, acquiring rough geometric data information of each building in a selected area obtained by scanning of an unmanned aerial vehicle, and acquiring fine geometric data information of each building in the selected area obtained by laser scanning or live-action modeling;
s1012, acquiring the rough geometric data information and the fine geometric data information of each building in the selected region, and obtaining the geometric data information of each building.
In this embodiment, when performing rough modeling on each building in a certain area, multiple building photographs are aerial taken on each building by the unmanned aerial vehicle, and rough geometric data information of the building is obtained from the aerial taken multiple building photographs. And then, fine geometric data information of each building in the selected area is obtained through laser scanning or live-action modeling (live-action modeling is that a plurality of live-action photos are scanned through a rotating camera) so as to perfect the geometric data information of each building and realize accurate modeling of each building. The model modeled at the time can be used for replacing the current building model after the building is accurately modeled once, so that abundant historical data can be obtained through continuous accumulated data, a basis is provided for restoration of the building, and a historical reference can be provided for next updating.
In one embodiment, as shown in fig. 3, step S102 includes:
s1021, correspondingly establishing an initial building model according to the geometric data information of each building;
s1021, binding non-geometric data information of the building with a corresponding initial building model to obtain a building model;
s1023, importing the building model into a corresponding region in the electronic map for storage and display.
In this embodiment, a building model is obtained after the geometric data information and the non-geometric data information of each building are correspondingly modeled, and the building model is imported into a corresponding area in the electronic map to be stored, so that archiving of the latest data of each building is rapidly completed, and subsequent query by a user is facilitated. This means that once a building in the electronic map is updated or reconstructed, the updated or reconstructed building model is also immediately imported into the electronic map as the latest building model for that building.
In one embodiment, as shown in fig. 4, step S103 includes:
s1031, obtaining geometric data information and non-geometric data information of the newly added model;
s1032, correspondingly establishing a current initial building model according to the geometric data information of the newly-added model;
s1033, binding the non-geometric data information of the newly added model with the corresponding current initial building model to obtain the current building model;
s1034, hiding the building model of the corresponding area in the electronic map, and importing the current building model into the corresponding area in the electronic map for storage and display.
In this embodiment, when a certain building needs to be rebuilt or updated, the current latest model needs to be acquired and stored as the latest data in the model database of the building, the building model of the building is still stored in the model database of the building as the historical data, the building model of the building is automatically adjusted to be a hidden attribute in the electronic map, and the current latest model of the building is imported as the updated data into the corresponding area in the electronic map for storage and display. Thus, the latest building model of the building can be intuitively displayed by automatically hiding the old model of the building and realizing the latest building model.
In one embodiment, as shown in fig. 5, step S104 includes:
s1041, displaying a building model of a building and displaying a new model of the building with preset transparency, or displaying the new model of the building and displaying the building model of the building with preset transparency;
s1042, displaying non-geometric data information corresponding to a building model of a building in a first display frame;
s1043, displaying the non-geometric data information corresponding to the new model of the building in a second display frame.
In this embodiment, when a user needs to check the comparison between the historical data and the current data of a certain building, when detecting a comparison instruction of new and old models of the building, the user may obtain the building model and the new model of the selected building, and compare the building model and the new model of the building to obtain a comparison result, and display the comparison result. More specifically, the building model of the building is displayed and the new model of the building is displayed with preset transparency, or the new model of the building is displayed and the building model of the building is displayed with preset transparency, for example, the preset transparency is 30%, and the difference of the two models can be more intuitively compared by displaying the new model and the old model with different image transparency. And simultaneously, in the comparison process, the non-geometric data information of the two is displayed in the first display frame and the second display frame, so that the update history of a certain building is reflected in a more visual mode. And the search box aiming at specific contents in the first display box and the second display box can be set, the user can quickly inquire the information related to the inquiry keyword in the non-geometric data information by inputting the inquiry keyword, for example, the user inputs the inquiry keyword of the engineering contractor of the building, the information content corresponding to the engineering contractor of the input building is searched and highlighted in the first display box, and the information content corresponding to the engineering contractor of the input building is also searched and highlighted in the second display box.
In the process of displaying the building model of the building and displaying the new model of the building with preset transparency or displaying the new model of the building and displaying the building model of the building with preset transparency, the dimension measurement of the building model of the building and the new model can be carried out through a dimension measuring tool of the BIM, so that the difference value of the building model and the new model of the building can be conveniently obtained.
Therefore, the historical data of the building is modeled in the BIM and the current model is reserved in the BIM, when the new model and the old model are compared, the building model of the building and the newly added model can be intuitively compared to obtain a comparison result and then displayed, the informatization level of the building model data is improved, and the model can be more intuitively and efficiently checked through the three-dimensional model.
The embodiment of the invention also provides a BIM-based urban reconstruction data storage device. Specifically, referring to fig. 6, a schematic block diagram of a city improvement data storage device based on BIM according to an embodiment of the present invention is provided. The city improvement data storage device 100 based on BIM of the present embodiment includes: a building foundation information acquisition unit 101, a modeling storage unit 102, a new addition detection unit 103, and a new and old comparison unit 104.
The building foundation information obtaining unit 101 is configured to obtain geometric data information and non-geometric data information of each building in the selected area;
a modeling storage unit 102, configured to correspondingly create and store a building model according to the geometric data information and the non-geometric data information of each building;
a new detection unit 103, configured to acquire a new model if a new model addition instruction of a building is detected, and store the new model into a storage area corresponding to the building;
and the new and old comparison unit 104 is configured to obtain the building model and the new model of the selected building if the new and old model comparison instruction of the building is detected, compare the building model and the new model of the building, and display the comparison result.
In an embodiment, the geometric data information includes spatial position data of a building, three-dimensional size data, spatial constraint relation within the building;
the non-geometric data information comprises building material information, price information, building engineering sponsor, rights and interests information, construction party information and remark information;
the building foundation information acquisition unit 101 includes:
the first acquisition unit is used for acquiring rough geometric data information of each building in the selected area obtained by scanning of the unmanned aerial vehicle and acquiring fine geometric data information of each building in the selected area obtained by laser scanning or live-action modeling;
the second acquisition unit is used for acquiring the rough geometric data information and the fine geometric data information of each building in the selected region to obtain the geometric data information of each building.
In one embodiment, the modeling storage unit 102 includes:
the model building unit is used for correspondingly building an initial building model according to the geometric data information of each building;
the information binding unit is used for binding the non-geometric data information of the building with the corresponding initial building model to obtain a building model;
and the information importing unit is used for importing the building model into a corresponding area in the electronic map to store and display.
In one embodiment, the new detection unit 103 includes:
the newly added model data acquisition unit is used for acquiring geometric data information and non-geometric data information of the newly added model;
the newly added model modeling unit is used for correspondingly establishing a current initial building model according to the geometric data information of the newly added model;
the newly-added model data binding unit is used for binding the non-geometric data information of the newly-added model with the corresponding current initial building model to obtain the current building model;
and the newly added model storage unit is used for hiding the building model of the corresponding region in the electronic map, and guiding the current building model into the corresponding region in the electronic map for storage and display.
In one embodiment, the old and new comparing unit 104 includes:
the model comparison display unit is used for displaying the building model of the building and displaying the newly-added model of the building with preset transparency, or displaying the newly-added model of the building and displaying the building model of the building with preset transparency;
the first information display unit is used for displaying non-geometric data information corresponding to the building model of the building in a first display frame;
and the second information display unit is used for displaying the non-geometric data information corresponding to the new model of the building in a second display frame.
Referring to fig. 7, a schematic block diagram of a terminal according to an embodiment of the present invention is provided. The terminal in the present embodiment as shown in fig. 7 may include: one or more processors 1601; one or more input devices 1602, one or more output devices 1603, and a memory 1604. The processor 1601, the input device 1602, the output device 1603, and the memory 1604 are connected by a bus 1605. The memory 1602 is for storing a computer program comprising program instructions, and the processor 1601 is for executing the program instructions stored by the memory 1602. Wherein the processor 1601 is configured to execute the program instructions to perform a BIM-based urban retrofit data storage method in an embodiment of the present invention.
It should be appreciated that in embodiments of the present invention, the processor 1601 may be a central processing unit (Central Processing Unit, CPU), which may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The input device 1602 may include a touch pad, a fingerprint sensor (for collecting fingerprint information of a user and direction information of a fingerprint), a microphone, etc., and the output device 1603 may include a display (LCD, etc.), a speaker, etc.
The memory 1604 may include read only memory and random access memory, and provides instructions and data to the processor 1601. A portion of memory 1604 may also include non-volatile random access memory. For example, the memory 1604 may also store information of a device type.
In a specific implementation, the processor 1601, the input device 1602 and the output device 1603 described in the embodiments of the present invention may execute the implementation described in the embodiments of the BIM-based urban transformation data storage method provided in the embodiments of the present invention, which is not described herein.
In another embodiment of the present invention, a computer readable storage medium is provided, the computer readable storage medium storing a computer program comprising program instructions which, when executed by a processor, implement the BIM-based urban transformation data storage method of embodiments of the present invention.
The computer readable storage medium may be an internal storage unit of the terminal according to any of the foregoing embodiments, for example, a hard disk or a memory of the terminal. The computer readable storage medium may also be an external storage device of the terminal, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the terminal. Further, the computer-readable storage medium may also include both an internal storage unit and an external storage device of the terminal. The computer-readable storage medium is used to store the computer program and other programs and data required by the terminal. The computer-readable storage medium may also be used to temporarily store data that has been output or is to be output.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software 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 invention.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working procedures of the terminal and the unit described above may refer to the corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In several embodiments provided in the present application, it should be understood that the disclosed terminal and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices, or elements, or may be an electrical, mechanical, or other form of connection.
The units described as separate units may or may not be physically separate, and units shown 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 may be selected according to actual needs to achieve the purpose of the embodiment of the present invention.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention is essentially or a part contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A BIm-based urban transformation data storage method, comprising:
acquiring geometric data information and non-geometric data information of each building in the selected area;
building a building model according to the geometric data information and the non-geometric data information of each building and storing the building model;
if a new model adding instruction of the building is detected, obtaining a new model, and storing the new model into a storage area of a corresponding building;
if a new and old model comparison instruction of the building is detected, acquiring a building model and an newly-added model of the selected building, comparing the building model and the newly-added model of the building to obtain a comparison result, and displaying the comparison result;
if the comparison instruction of the new model and the old model of the building is detected, the building model and the newly-added model of the selected building are obtained, the building model and the newly-added model of the building are compared to obtain a comparison result, and then the comparison result is displayed, and the method further comprises the following steps: when a building needs to be rebuilt or updated, a current latest model is obtained and is stored as latest data in a model database of the building, the building model of the building is still stored in the model database of the building as historical data, the building model of the building is automatically adjusted to be a hidden attribute in the electronic map, and the current latest model of the building is imported as updated data into a corresponding area in the electronic map for storage and display.
2. The BIM-based city transformation data storage method of claim 1, wherein the geometric data information includes spatial location data of a building, three-dimensional size data, spatial constraint relation within the building;
the non-geometric data information comprises building material information, price information, building engineering sponsor, rights and interests information, construction party information and remark information;
the acquiring the geometric data information and the non-geometric data information of each building in the selected area comprises the following steps:
acquiring rough geometric data information of each building in a selected area obtained by unmanned aerial vehicle scanning, and acquiring fine geometric data information of each building in the selected area obtained by laser scanning or live-action modeling;
and acquiring the rough geometric data information and the fine geometric data information of each building in the recorded selected area to obtain the geometric data information of each building.
3. The BIM-based city improvement data storage method of claim 1, wherein the creating and storing the building model according to the geometric data information and the non-geometric data information of each building includes:
correspondingly establishing an initial building model according to the geometric data information of each building;
binding the non-geometric data information of the building with a corresponding initial building model to obtain a building model;
and importing the building model into a corresponding region in the electronic map for storage and display.
4. The BIM-based city improvement data storage method of claim 1, wherein the obtaining the new model and storing the new model in the storage area of the corresponding building includes:
obtaining geometric data information and non-geometric data information of the newly added model;
correspondingly establishing a current initial building model according to the geometric data information of the newly-added model;
binding the non-geometric data information of the newly added model with the corresponding current initial building model to obtain a current building model;
hiding the building model of the corresponding region in the electronic map, and importing the current building model into the corresponding region in the electronic map for storage and display.
5. The city transformation data storage method based on BIM according to claim 1, wherein the comparing the building model of the building with the newly added model to obtain the comparison result and displaying the comparison result includes:
displaying the building model of the building and displaying the new model of the building with preset transparency, or displaying the new model of the building and displaying the building model of the building with preset transparency;
displaying non-geometric data information corresponding to the building model of the building in a first display frame;
and displaying the non-geometric data information corresponding to the newly added model of the building in a second display frame.
6. A BIM-based urban retrofit data storage device, comprising:
the building basic information acquisition unit is used for acquiring geometric data information and non-geometric data information of each building in the selected area;
the modeling storage unit is used for correspondingly creating and storing a building model according to the geometric data information and the non-geometric data information of each building;
the new detection unit is used for acquiring a new model if a new model addition instruction of the building is detected, and storing the new model into a storage area of the corresponding building;
the new and old comparison unit is used for obtaining the building model and the new model of the selected building if the new and old model comparison instruction of the building is detected, comparing the building model and the new model of the building to obtain a comparison result and displaying the comparison result;
the new and old comparison unit further comprises: when a building needs to be rebuilt or updated, a current latest model is obtained and is stored as latest data in a model database of the building, the building model of the building is still stored in the model database of the building as historical data, the building model of the building is automatically adjusted to be a hidden attribute in the electronic map, and the current latest model of the building is imported as updated data into a corresponding area in the electronic map for storage and display.
7. The BIM-based city modification data storage device of claim 6, wherein the geometric data information includes spatial location data of the building, three-dimensional size data, spatial constraint relationships within the building;
the non-geometric data information comprises building material information, price information, building engineering sponsor, rights and interests information, construction party information and remark information;
the building foundation information acquisition unit includes:
the first acquisition unit is used for acquiring rough geometric data information of each building in the selected area obtained by scanning of the unmanned aerial vehicle and acquiring fine geometric data information of each building in the selected area obtained by laser scanning or live-action modeling;
the second acquisition unit is used for acquiring the rough geometric data information and the fine geometric data information of each building in the selected region to obtain the geometric data information of each building.
8. The BIM-based city improvement data storage device of claim 6, wherein the modeling storage unit includes:
the model building unit is used for correspondingly building an initial building model according to the geometric data information of each building;
the information binding unit is used for binding the non-geometric data information of the building with the corresponding initial building model to obtain a building model;
and the information importing unit is used for importing the building model into a corresponding area in the electronic map to store and display.
9. A terminal comprising a processor, an input device, an output device, and a memory, the processor, the input device, the output device, and the memory being interconnected, wherein the memory is configured to store a computer program comprising program instructions, the processor being configured to execute the program instructions to perform the BIM-based city modification data storage method of any of claims 1-5.
10. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program comprising program instructions which, when executed by a processor, cause the processor to perform the BIM-based city modification data storage method of any of claims 1 to 5.
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