CN114253394A - BIM platform-based VR (virtual reality) image examination method and system - Google Patents

BIM platform-based VR (virtual reality) image examination method and system Download PDF

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CN114253394A
CN114253394A CN202111327777.5A CN202111327777A CN114253394A CN 114253394 A CN114253394 A CN 114253394A CN 202111327777 A CN202111327777 A CN 202111327777A CN 114253394 A CN114253394 A CN 114253394A
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project
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map
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CN114253394B (en
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刘亚鑫
唐崇武
储倩
龙玉峰
张一凡
林彬
唐伟超
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Shenzhen Huayang International Engineering Design Co ltd
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Abstract

The invention discloses a VR (virtual reality) image examination method and system based on a BIM (building information modeling) platform, wherein the method comprises the following steps: selecting a project to be checked on a BIM platform, and determining a picture checking mode according to the project to be checked; when the image examination mode is a VR image examination mode, switching VR visual angles, and entering a virtual image examination space according to the VR visual angles; and presenting the project map in the project to be audited in the virtual map examination space so as to audit the project map and create annotation information. According to the invention, when the image examination mode is the VR image examination mode, the virtual image examination space is entered by switching the VR visual angle, so that the project image can be examined by multiple persons in the virtual image examination space, and the examination information can be shared in time, thereby achieving the real-time and efficient image examination effect.

Description

BIM platform-based VR (virtual reality) image examination method and system
Technical Field
The invention relates to the technical field of graph auditing, in particular to a VR graph auditing method and system based on a BIM platform.
Background
With the development of the BIM technology, although the expression of the architectural design drawing is more visual and the viewing is more intuitive, the rendered animation is very vivid, but is often out of synchronization with the design result or even has deviation, and is also inconvenient to be used for detailed examination of the design result. The two-dimensional construction drawing verification process is limited by locality, for example, when multiple reviewers are required to perform drawing verification, the multiple reviewers need to perform verification together before a computer, so that the application scene is limited. And if the drawing is respectively sent to the auditors for auditing, timely sharing of the auditing information is difficult to guarantee. Therefore, the existing graph auditing mode is difficult to achieve the real-time and efficient graph auditing effect.
Thus, there is a need for improvements and enhancements in the art.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, a VR (virtual reality) image examination method and system based on a BIM (building information modeling) platform are provided, and the problems that in the prior art, image examination is inconvenient for a plurality of examiners to examine simultaneously, and when picture papers are respectively sent to the examiners to be examined, the examination information is difficult to be guaranteed to be shared in time are solved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a VR graph examination method based on a BIM platform, where the method includes:
selecting a project to be checked on a BIM platform, and determining a picture checking mode according to the project to be checked;
when the image examination mode is a VR image examination mode, switching VR visual angles, and entering a virtual image examination space according to the VR visual angles;
and presenting the project map in the project to be audited in the virtual map examination space so as to audit the project map and create annotation information.
In one implementation manner, selecting an item to be checked on a BIM platform, and determining a graph checking mode according to the item to be checked includes:
receiving an operation instruction, and selecting the item to be checked on the BIM platform based on the operation instruction;
acquiring item information corresponding to the item to be checked, wherein the item information is used for reflecting introduction details of the item to be checked;
determining the map-examining mode according to the project information, wherein the map-examining mode comprises a VR map-examining mode and a conventional map-examining mode.
In one implementation, when the map review mode is a VR map review mode, switching a VR view angle and entering a virtual map review space according to the VR view angle includes:
when the image examination mode is the VR image examination mode, switching an image examination visual angle to the VR visual angle, and generating a VR image examination invitation link;
and entering a virtual image examination space according to the VR image examination invitation link.
In one implementation, after the generating the VR review invitation link, the method includes:
and sharing the VR picture examination invitation link to realize the picture examination of multiple people.
In one implementation, the sharing the VR review invitation link to implement multi-person VR review includes:
and when a plurality of users enter the virtual image examination space according to the VR image examination invitation links, appointing a guide user from the plurality of users.
In one implementation, the sharing the VR review invitation link to implement multi-person VR review includes:
and generating a view viewport link, and sharing the view viewport link to realize switching of the view viewport among users.
In one implementation, after the creating the annotation information, the method further includes:
and sharing the annotation information, and transmitting the annotation information to an image examination module of the BIM platform for storage.
In a second aspect, an embodiment of the present invention further provides a VR graph examination system based on a BIM platform, where the system includes:
the image examination mode determining module is used for selecting an item to be examined on the BIM platform and determining an image examination mode according to the item to be examined;
the image examination space entering mode is used for switching VR visual angles when the image examination mode is a VR image examination mode, and entering a virtual image examination space according to the VR visual angles;
and the graph auditing module is used for presenting the project map in the project to be audited in the virtual map auditing space, auditing the project map and creating annotation information.
In a third aspect, an embodiment of the present invention further provides a terminal device, where the terminal device includes a memory, a processor, and a VR image examination program based on a BIM platform, which is stored in the memory and is executable on the processor, and when the processor executes the VR image examination program based on the BIM platform, the step of implementing the VR image examination method based on the BIM platform in any one of the above-mentioned schemes is implemented.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, where a VR image examination program based on a BIM platform is stored on the computer-readable storage medium, and when the VR image examination program based on the BIM platform is executed by a processor, the steps of the VR image examination method based on the BIM platform in any one of the foregoing schemes are implemented.
Has the advantages that: compared with the prior art, the VR image examination method based on the BIM platform is characterized in that firstly, the item to be examined is selected on the BIM platform based on the operation instruction, the item information corresponding to the item to be examined is obtained, and the image examination mode is determined according to the corresponding item information. And then, when the image examination mode is the VR image examination mode, switching the image examination view angle to the VR view angle, generating a VR image examination invitation link, sharing the VR image examination invitation link, and enabling multiple persons to enter a virtual image examination space for image examination according to the VR image examination invitation link. And finally, auditing the project drawing in the virtual drawing examination space, creating an annotation, sharing the annotation information, and transmitting the annotation information to a drawing examination module of the BIM platform for storage. Therefore, the method and the device can realize sharing of the VR examination map invitation link, so that multiple people can enter the virtual examination map space through the VR examination map invitation link to examine the map, and share the annotation information after annotating the project map in the virtual examination map space, thereby realizing sharing of the annotation information by multiple people. By sharing the VR examination image invitation link and the comment information, the examination information can be guaranteed to be shared in time, and the real-time and efficient examination image effect on the project image examination is achieved.
Drawings
Fig. 1 is a flowchart of a specific implementation of a VR graph examination method based on a BIM platform according to an embodiment of the present invention.
Fig. 2 is a schematic flowchart of determining a map examination mode in a VR map examination method based on a BIM platform according to an embodiment of the present invention.
Fig. 3 is a schematic flow diagram illustrating a process of entering a virtual map examination space for map examination in the VR map examination method based on the BIM platform according to the embodiment of the present invention.
Fig. 4 is a schematic block diagram of a VR graph examination apparatus based on a BIM platform according to an embodiment of the present invention.
Fig. 5 is a schematic block diagram of an internal structure of a terminal device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the prior art, the graphic audit is inconvenient for a plurality of auditors to simultaneously audit, and when the graphic papers are respectively sent to the auditors to audit, the timely sharing of audit information is difficult to guarantee.
In order to solve the problems of the prior art, the embodiment provides a VR examination method based on a BIM platform, and by the method, sharing of the VR examination invitation link can be achieved, so that multiple persons can enter a virtual examination space for a building drawing and a building model through the VR examination invitation link to examine the drawing, and share annotation information after annotating a project drawing in the virtual examination space, and the sharing of the annotation information by multiple persons can be achieved. By sharing the VR examination image invitation link and the comment information, the examination information can be guaranteed to be shared in time, and the real-time and efficient examination image effect on the project image examination is achieved. In specific implementation, firstly, the item to be checked is selected on the BIM platform based on the operation instruction, item information corresponding to the item to be checked is obtained, and the image checking mode is determined according to the corresponding item information. And then, when the image examination mode is the VR image examination mode, switching the image examination view angle to the VR view angle, generating a VR image examination invitation link, sharing the VR image examination invitation link, and enabling multiple persons to enter a virtual image examination space for image examination according to the VR image examination invitation link. And finally, auditing the project drawing in the virtual drawing examination space, creating an annotation, sharing the annotation information, and transmitting the annotation information to a drawing examination module of the BIM platform for storage.
For example, when a certain li wants to check the building drawing of the 3-19 buildings in the fixed lower rural new village and the building model, the BIM platform receives the operating instruction, pops up a window for inputting a project to be checked, and the building drawing of the 19-th building in the lower rural new village and the project file of the building model are selected by the certain li through the building drawing of the 19-th building in the lower rural new village and the storage path of the building model. After clicking and confirming, the BIM platform obtains the construction drawing and the project information of the construction model of the 19-third building in the new village of the lower surrounding garden, the occupied memory size of the project file is determined to be 100M, the preset occupied memory size threshold value is 50M, the BIM platform identifies that the occupied memory size of the project file is larger than the preset occupied memory size threshold value, and the VR image examination mode is adopted for image examination. And then, switching the view angle of the map examination into a VR view angle, simultaneously generating a VR map examination invitation link, sending the generated VR map examination invitation link to other auditors, and entering a virtual map examination space of the building drawing and the building model by the VR map examination invitation link. If a certain lie can designate itself as a guide person, other persons cannot move the auditing model diagram at the moment, and the visual angles of all persons are consistent. When some of other auditors want to communicate with one part of the audit model diagrams, for communication convenience, some of the auditors may share the generated audit view port link of the audit view port with other auditors, and other auditors may click the audit view port link to enter the view angle of some of the auditors. In the auditing process, some plum annotates the auditing model diagram, the auditing model diagram is synchronously updated after the annotation information is stored and shared, and other auditors can see the annotation content of some plum to the auditing model diagram under own visual angles.
Exemplary method
The embodiment provides a VR (virtual reality) image examination method based on a BIM (building information modeling) platform, which can be applied to an intelligent terminal.
As shown in fig. 1 in particular, the method comprises:
and S100, selecting a project to be checked on the BIM platform, and determining a picture checking mode according to the project to be checked.
When the examination is performed, the examination objects are to be determined, and each examination object can select a proper examination mode for examination. In this embodiment, the item to be checked can be selected on the BIM platform, the user can select the item to be checked according to the checking requirement of the user, and after the user selects the item to be checked, the user identifies the item to be checked and determines the appropriate image checking mode according to the identified item information.
Specifically, as shown in fig. 2, the step S100 includes the steps of:
s101, receiving an operation instruction, and selecting the item to be checked on the BIM platform based on the operation instruction;
step S102, acquiring item information corresponding to the item to be checked, wherein the item information is used for reflecting introduction details of the item to be checked;
step S103, determining the image examination mode according to the project information, wherein the image examination mode comprises a VR image examination mode and a conventional image examination mode.
In this embodiment, when a user performs a map-reviewing operation on a BIM platform, the BIM platform receives an operation instruction, pops up a window for inputting a to-be-reviewed item, and the user can specify the to-be-reviewed item through a storage path of a to-be-reviewed item file. For example, when a user wants to perform a picture examination operation on three 19-building construction drawings and a construction model of a new rural area in a BIM platform, the BIM platform receives an operation instruction, pops up a window for inputting a project to be examined, and the user selects the 19-building construction drawings and a construction model project file of the new rural area according to the requirement through the storage paths of the three 19-building construction drawings and the construction model of the new rural area.
Further, after an item to be checked is input to the BIM platform, the BIM platform obtains item information corresponding to the item to be checked, where the item information may be information used for reflecting introduction details of the item to be checked, such as a name of a project diagram, an occupied memory size of the project diagram, and a drawing introduction of the project diagram. And finally, the BIM platform determines the image examination mode according to the acquired project information corresponding to the project to be examined, specifically, the image examination mode comprises a VR image examination mode and a conventional image examination mode, and the BIM platform can determine whether to select the VR image examination mode or the conventional image examination mode according to the project image complexity of the project to be examined. In an embodiment, the complexity of the project diagram may be divided according to the project diagram name and the occupied memory of the project diagram, an occupied memory threshold value for comparing with the size of the occupied memory of the project diagram may be preset in the review mode determining module, the occupied memory threshold value may be set according to the requirement, when the size of the occupied memory of the project diagram is greater than the occupied memory threshold value, the project diagram is regarded as a complex drawing, the review mode is determined to be a VR review mode, and when the size of the occupied memory of the project diagram is less than the occupied memory threshold value, the project diagram is regarded as a simple drawing, the review mode is determined to be a conventional review mode. In another embodiment, the complexity level may be determined according to the introduction contents of some drawings in the project information. According to the embodiment, the image examination mode can be selected without manual selection, and the BIM platform can automatically select the image examination mode according to the acquired project information corresponding to the project to be examined, so that the image examination mode is more intelligent.
And when the image review mode of the item to be reviewed is determined to be the VR image review mode, entering a VR mode interface for reviewing the item to be reviewed, namely executing the step S200 in the figure 1, switching the VR visual angle when the image review mode is the VR image review mode, and entering a virtual image review space according to the VR visual angle.
Specifically, the step S200 includes the steps of:
step S201, when the image examination mode is the VR image examination mode, switching an image examination visual angle to the VR visual angle, and generating a VR image examination invitation link;
and S202, entering a virtual image examination space according to the VR image examination invitation link.
In this embodiment, when the review mode of the to-be-reviewed project is the VR review mode, the review view angle is switched to the VR view angle, the VR view angle can be used to view the review interface, and the VR review invitation link is generated at the same time, the generated VR review invitation link is displayed on the review interface of the VR view angle, and the user clicks the VR review invitation link to directly enter the virtual review space. Furthermore, the VR examination invitation link can be shared, a user can share the generated VR examination invitation link with other people, and a shared user can click the VR examination invitation link to enter the virtual examination space, so that the sharing user and the shared user can enter the same project at different places from a VR visual angle, and therefore multiple people can conduct VR examination on the same project. In an embodiment, before the user will share the VR examination paper invitation link, the VR examination paper invitation link can be subjected to authority setting, that is, the VR examination paper invitation link can be used by designated personnel to enter a virtual examination paper space, for example, when the user wants to share the VR examination paper invitation link with a plurality of persons, the user can send the authority setting to a group, the personnel who need to examine the images in the group can enter the virtual examination paper space by the VR examination paper invitation link, and does not need one to share the personnel who need to examine the images, so that not only the sharing operation is simplified, but also the VR examination paper invitation link can be opened only to the personnel who need to examine the images, and the confidentiality of the VR examination paper invitation link is guaranteed.
Further, in an embodiment, when multiple persons enter the virtual examination space at the VR view angle to examine the same project at the same time, a guide may be designated, and the guide may lead other examiners to view the project map together, and of course, the guide may also act freely, where the premise of the guide mode is that the view angles of all persons are consistent. In another embodiment, each auditor may cause different view angles to differ in the viewed project views, so when the auditor needs to communicate the project views, the auditor can share its own view ports with other auditors who are viewing the project views through the VR view angle, and the other auditors can switch to the shared view ports to discuss together, specifically, when the user wants to communicate with other auditors about the project views, the user's own view ports can be converted into view port links, the view port links are shared with other auditors, and the other auditors can click the view port links to enter the view of the sharing user, further, the user who can only view the view ports can move the project view in the shared view port by himself or herself, other reviewers who enter the review view ports through the shared review view port link cannot autonomously control the project drawing pictures in the shared review view port. After the user switches the view viewport, the user can withdraw to the original view viewport.
When the auditor audits the project drawing, auditing and annotating the project drawing are performed, that is, step S300 in fig. 1 is executed, the project drawing in the project to be audited is presented in the virtual view space, so as to audit the project drawing and create annotation information.
The method comprises the steps that a user enters a virtual image examination space, a project image in a project to be audited is presented in the virtual image examination space, when the user audits the project image in the project to be audited, the project image in the project to be audited can be annotated, in one embodiment, annotation information can be shared, after the annotation information is shared, the project image is automatically updated, other auditors audit the project image in a view port and can display the shared annotation information, and the annotation information can be transmitted to an image examination module of a BIM platform to be stored.
Exemplary devices
Based on the above embodiment, the present invention further provides a VR map examination apparatus based on a BIM platform, as shown in fig. 4, the apparatus includes: the map review mode determination module 401, the map review space entry mode 402 and the graphic review module 403. Specifically, the examination mode determining module 401 is configured to select an item to be examined on the BIM platform, and determine an examination mode according to the item to be examined; the examination space entering mode 402 is configured to switch a VR view angle when the examination mode is a VR examination mode, and enter a virtual examination space according to the VR view angle; the graph review module 403 is configured to present a project diagram in the to-be-reviewed project in the virtual map review space, so as to review the project diagram and create annotation information. The VR graphic examination apparatus in this embodiment is a VR terminal device.
Based on the above embodiments, the present invention further provides a terminal device, and a schematic block diagram thereof may be as shown in fig. 5. The terminal equipment comprises a processor and a memory which are connected through a system bus. Wherein the processor of the terminal device is configured to provide computing and control capabilities. The memory of the terminal equipment comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the terminal device is used for connecting and communicating with an external terminal through a network. The computer program is executed by a processor to realize a VR map-viewing method based on a BIM platform.
It will be understood by those skilled in the art that the block diagram of fig. 5 is only a block diagram of a part of the structure related to the solution of the present invention, and does not constitute a limitation to the terminal device to which the solution of the present invention is applied, and a specific terminal device may include more or less components than those shown in the figure, or may combine some components, or have different arrangements of components.
In one embodiment, a terminal device is provided, where the terminal device includes a memory, a processor, and a BIM platform-based VR image examination program stored in the memory and executable on the processor, and when the processor executes the BIM platform-based VR image examination program, the following operation instructions are implemented:
selecting a project to be checked on a BIM platform, and determining a picture checking mode according to the project to be checked;
when the image examination mode is a VR image examination mode, switching VR visual angles, and entering a virtual image examination space according to the VR visual angles;
and presenting the project map in the project to be audited in the virtual map examination space so as to audit the project map and create annotation information.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, operational databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
In summary, the invention discloses a VR (virtual reality) image examination method, a VR image examination device, a terminal device and a storage medium based on a BIM platform, wherein the method comprises the following steps: selecting a project to be checked on a BIM platform, and determining a picture checking mode according to the project to be checked; when the image examination mode is a VR image examination mode, switching VR visual angles, and entering a virtual image examination space according to the VR visual angles; and presenting the project map in the project to be audited in the virtual map examination space so as to audit the project map and create annotation information. According to the invention, when the image examination mode is the VR image examination mode, the virtual image examination space is entered by switching the VR visual angle, so that the project image can be examined by multiple persons in the virtual image examination space, and the examination information can be shared in time, thereby achieving the real-time and efficient image examination effect.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A VR picture examination method based on a BIM platform is characterized by comprising the following steps:
selecting a project to be checked on a BIM platform, and determining a picture checking mode according to the project to be checked;
when the image examination mode is a VR image examination mode, switching VR visual angles, and entering a virtual image examination space according to the VR visual angles;
and presenting the project map in the project to be audited in the virtual map examination space so as to audit the project map and create annotation information.
2. The VR image examination method based on the BIM platform of claim 1, wherein selecting an item to be examined on the BIM platform and determining an image examination mode according to the item to be examined comprises:
receiving an operation instruction, and selecting the item to be checked on the BIM platform based on the operation instruction;
acquiring item information corresponding to the item to be checked, wherein the item information is used for reflecting introduction details of the item to be checked;
determining the map-examining mode according to the project information, wherein the map-examining mode comprises a VR map-examining mode and a conventional map-examining mode.
3. The BIM platform-based VR map-viewing method of claim 1, wherein when the map-viewing mode is a VR map-viewing mode, switching a VR view angle and entering a virtual map-viewing space according to the VR view angle comprises:
when the image examination mode is the VR image examination mode, switching an image examination visual angle to the VR visual angle, and generating a VR image examination invitation link;
and entering a virtual image examination space according to the VR image examination invitation link.
4. The BIM platform-based VR picture-viewing method of claim 3, wherein after the generating of the VR picture-viewing invitation link, the method further comprises:
and sharing the VR picture examination invitation link to realize the picture examination of multiple people.
5. The BIM platform-based VR picture-examination method of claim 4, wherein the sharing the VR picture-examination invitation link to achieve multi-person VR picture-examination comprises:
and when a plurality of users enter the virtual image examination space according to the VR image examination invitation links, appointing a guide user from the plurality of users.
6. The BIM platform-based VR picture-examination method of claim 5, wherein the sharing the VR picture-examination invitation link to achieve multi-person VR picture-examination comprises:
and generating a view viewport link, and sharing the view viewport link to realize switching of the view viewport among users.
7. The BIM platform-based VR mapping method of claim 1, further comprising, after creating the annotation information:
and sharing the annotation information, and transmitting the annotation information to an image examination module of the BIM platform for storage.
8. A VR mapping system based on a BIM platform, the system comprising:
the image examination mode determining module is used for selecting an item to be examined on the BIM platform and determining an image examination mode according to the item to be examined;
the image examination space entering mode is used for switching VR visual angles when the image examination mode is a VR image examination mode, and entering a virtual image examination space according to the VR visual angles;
and the graph auditing module is used for presenting the project map in the project to be audited in the virtual map auditing space, auditing the project map and creating annotation information.
9. A terminal device, comprising a memory, a processor and a BIM platform based VR mapping program stored in the memory and executable on the processor, wherein the processor implements the steps of the BIM platform based VR mapping method according to any one of claims 1 to 7 when executing the BIM platform based VR mapping program.
10. A computer-readable storage medium, wherein the computer-readable storage medium has stored thereon a BIM platform based VR censoring program, which when executed by a processor, performs the steps of the BIM platform based VR censoring method as recited in any one of claims 1-7.
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