CN112669440A - Traffic planning engineering project achievement display method, device and storage medium - Google Patents
Traffic planning engineering project achievement display method, device and storage medium Download PDFInfo
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Abstract
The invention provides a method, a device and a storage medium for displaying achievements of a traffic planning engineering project, wherein the method comprises the following steps: building a BIM model of a traffic planning engineering project; leading the BIM into traffic simulation software, and establishing a traffic simulation model; carrying out aerial photography on the location of the traffic planning engineering project; processing the aerial video to generate an aerial video picture sequence; setting the terrain in the BIM model into a mask, and rendering a traffic simulation picture sequence and a terrain mask picture sequence; and importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain mask picture sequence into video processing software, and fusing to generate a display video. According to the invention, the BIM model, the traffic simulation model and the aerial photography video are fused, so that the traffic simulation can be accurately displayed in the real landform, the display effect is more real, and the visual display effect of the traffic planning engineering project achievement is improved.
Description
Technical Field
The invention relates to a visual display technology of traffic planning engineering, in particular to a method, a device and a storage medium for displaying achievements of a traffic planning engineering project.
Background
At present, the modeling and result display of a traffic planning project are mainly realized by simulation software such as VISSIM. The results show mainly in two forms: one is a client capable of roaming display, and after the simulation is finished in the VISSIM, the visual roaming can be realized; and the other is to make a display video based on VISSIM simulation content. The former can be operated in real time to observe traffic volume at each intersection, which is convenient for understanding, but the display effect is inferior to that of the latter. In the aspect of achievement display and promotion, video is manufactured based on VISSIM simulation, and the method is a future development direction. However, the prior art has the following problems:
1. in the traditional video production process, a video is output through the display effect of the VISSIM, and the display effect is poor;
2. the traditional video cannot accurately represent the position relation between the engineering and the actual terrain and structures, and the display effect is not real.
Disclosure of Invention
The invention aims to provide a traffic planning engineering project result display method, a device and a computer readable storage medium which can integrate traffic simulation, a BIM (building information modeling) model and aerial photography video.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
According to one aspect of the invention, a method for displaying results of a traffic planning engineering project is provided, which comprises the following steps:
s1, building a BIM (building information modeling) model of a traffic planning engineering project, wherein the BIM model comprises an engineering structure and a terrain;
s2, importing the BIM into traffic simulation software to establish a traffic simulation model;
s3, aerial photography is carried out on the location of the traffic planning project;
s4, processing the aerial video to generate an aerial video picture sequence, and obtaining three-dimensional feature points and a camera of the aerial video;
s5, importing the BIM and the traffic simulation data into rendering software to generate a simulation vehicle, and matching the BIM with the simulation vehicle;
s6, importing the three-dimensional feature points and the camera into rendering software, and matching the three-dimensional feature points and the camera with the BIM and the simulated vehicle position;
s7, setting the terrain in the BIM into a mask, setting the material and rendering parameters of the BIM, and rendering a traffic simulation picture sequence and a terrain mask picture sequence;
and S8, importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain mask picture sequence into video processing software, and fusing invisible parts of the video in the terrain mask BIM model into a display video by using the terrain mask to mask the invisible parts.
In one embodiment, the creating the traffic simulation model in S2 of the method includes: defining a driving line path and elevation; setting a simulation traffic flow; setting time parameters.
In an embodiment, the S3 of the method specifically includes: and shooting the line engineering in a way of along the line, and shooting the positions of the crossed nodes in a way of surrounding the nodes.
In one embodiment, in said S8 of the method, the sequence of aerial video pictures, the sequence of traffic simulation pictures and the sequence of terrain mask pictures are arranged in a bottom-up order.
In an embodiment, the method further comprises: and S9, processing the joint of the BIM model, the traffic simulation model and the aerial photography video.
According to another aspect of the present invention, there is also provided a device for displaying results of a traffic planning engineering project, including:
the BIM model building module is used for building a BIM model of a traffic planning engineering project, and the BIM model comprises an engineering structure and a terrain;
the traffic simulation model establishing module is used for importing the BIM into traffic simulation software to establish a traffic simulation model;
the aerial video processing module is used for processing the aerial video to generate an aerial video picture sequence and obtain three-dimensional characteristic points and a camera of the aerial video;
the first position matching module is used for importing the BIM model and the traffic simulation data into rendering software, generating a simulation vehicle and matching the BIM model with the simulation vehicle;
the second position matching module is used for guiding the three-dimensional feature points and the camera into rendering software and matching the three-dimensional feature points and the camera with the BIM and the simulated vehicle position;
the mask setting module is used for setting the terrain in the BIM model into a mask, setting the BIM model material quality and rendering parameters, and rendering a traffic simulation picture sequence and a terrain mask picture sequence;
and the video fusion module is used for importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain masking picture sequence into video processing software, and fusing the invisible part of the video in the terrain masking mask BIM model into a display video.
According to yet another aspect of the present invention, there is further provided a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method for displaying the results of a traffic planning project according to any one of the above embodiments.
The embodiment of the invention has the beneficial effects that: through the fusion of the BIM model, the traffic simulation model and the aerial photography video, the traffic simulation can be accurately displayed in the real landform, the display effect is more real, and the visual display effect of the traffic planning engineering project achievement is 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 embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
The above features and advantages of the present disclosure will be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.
FIG. 1 is a flow chart of an embodiment of the method of the present invention.
FIG. 2 is a block diagram of an embodiment of the apparatus of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for displaying a result of a traffic planning engineering project, including the following steps:
And step 102, importing the BIM model into the VISSIM. And defining a traffic route path and elevation in the VISSIM traffic simulation model by taking the BIM as a reference, and setting data such as simulation traffic flow, time and the like.
And 103, carrying out aerial photography on the location of the engineering project. The route project is shot by adopting an extension route, and the positions of the crossed nodes are shot by adopting surrounding nodes.
And 104, processing the aerial video. Firstly, importing an aerial video into Adobe Premiere to generate a picture sequence of the aerial video, then importing the picture sequence into camera tracking software boujou to generate three-dimensional characteristic points and a camera of the aerial video.
105, in order to fuse the BIM model and the VISSIM simulation vehicle with the aerial video, importing the BIM model and VISSIM simulation data into rendering software 3ds Max, generating the VISSIM simulation vehicle by the VISSIM simulation data through linking the 3ds MAX vehicle model, keeping the position of the VISSIM simulation vehicle fixed, and matching the BIM model with the position of the VISSIM simulation vehicle by moving the BIM model.
And 106, importing the three-dimensional feature points and the camera into 3ds Max, and matching the three-dimensional feature points and the camera with the BIM and the VISSIM simulation vehicle through operations of moving, rotating, zooming and the like by taking the BIM and the VISSIM simulation vehicle as reference.
And 107, setting a terrain mask to solve the problem of object shielding relation in the aerial video. Setting the terrain in the BIM as a mask, setting the material and rendering parameters of the BIM, and rendering a VISIMS simulation picture sequence and a terrain mask picture sequence.
And 108, importing the aerial video picture sequence, the VISSIM simulation picture sequence and the terrain mask picture sequence into video processing software Adobe After Effects, arranging the three picture sequences in a bottom-to-top sequence, and covering the video invisible part in the BIM model by the terrain mask.
Preferably, step 109 is further included, in Adobe After Effects, processing the joint of the BIM model, the VISSIM simulation and the aerial video through feathering and other operations, so that the BIM model, the VISSIM simulation and the aerial video are naturally fused.
Correspondingly to the above method, an embodiment of the present invention further provides a device for displaying a result of a traffic planning engineering project, as shown in fig. 2, including:
a BIM model establishing module 201, configured to establish a BIM model of a traffic planning engineering project, where the BIM model includes an engineering structure and a terrain;
the traffic simulation model establishing module 202 is used for importing the BIM into traffic simulation software to establish a traffic simulation model;
the aerial video processing module 203 is used for processing an aerial video to generate an aerial video picture sequence and obtain three-dimensional feature points and a camera of the aerial video;
the first position matching module 204 is used for importing the BIM model and the traffic simulation data into rendering software, generating a simulation vehicle and matching the BIM model with the position of the simulation vehicle;
the second position matching module 205 is used for importing the three-dimensional feature points and the camera into rendering software and matching the three-dimensional feature points and the camera with the BIM model and the simulated vehicle position;
the mask setting module 206 is configured to set a terrain in the BIM model as a mask, set a material and rendering parameters of the BIM model, and render a traffic simulation picture sequence and a terrain mask picture sequence;
and the video fusion module 207 is used for importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain mask picture sequence into video processing software, and fusing the invisible video part in the terrain mask BIM model into a display video.
It is to be understood that the method provided by the present invention may be stored in a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method for displaying the results of a traffic planning project according to any of the embodiments described above.
In summary, the embodiment of the invention provides a traffic simulation display method based on an aerial photography video fusion BIM model, which is used for carrying out BIM modeling and VISSIM simulation on the content of an engineering project, generating three-dimensional feature points and an aerial photography camera through software operation on the aerial photography video, and uniformly importing the BIM model, VISSIM simulation data, the three-dimensional feature points and the aerial photography camera into a 3ds Max. And (4) accurately positioning the BIM model and the camera according to the VISSIM simulation vehicle. And according to the actual terrain, the position relation between the structure and the BIM model, creating a terrain mask which accords with the actual mask relation, so that the BIM model and the aerial video have the correct position and mask relation. And in the later stage, the rendered picture sequence and the aerial video are overlapped together through Adobe After Effects, and the contrast of the picture sequence and the aerial video is processed, so that VISSIM simulation, a BIM model and the aerial video are perfectly fused.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.
Claims (7)
1. A method for displaying achievements of a traffic planning engineering project is characterized by comprising the following steps:
s1, building a BIM (building information modeling) model of a traffic planning engineering project, wherein the BIM model comprises an engineering structure and a terrain;
s2, importing the BIM into traffic simulation software to establish a traffic simulation model;
s3, aerial photography is carried out on the location of the traffic planning project;
s4, processing the aerial video to generate an aerial video picture sequence, and obtaining three-dimensional feature points and a camera of the aerial video;
s5, importing the BIM and the traffic simulation data into rendering software to generate a simulation vehicle, and matching the BIM with the simulation vehicle;
s6, importing the three-dimensional feature points and the camera into rendering software, and matching the three-dimensional feature points and the camera with the BIM and the simulated vehicle position;
s7, setting the terrain in the BIM into a mask, setting the material and rendering parameters of the BIM, and rendering a traffic simulation picture sequence and a terrain mask picture sequence;
and S8, importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain mask picture sequence into video processing software, and fusing invisible parts of the video in the terrain mask BIM model into a display video by using the terrain mask to mask the invisible parts.
2. The method for displaying the achievements of the traffic planning engineering project according to claim 1, wherein the step of building the traffic simulation model in the step S2 includes: defining a traveling route path and elevation; setting a simulation traffic flow; setting time parameters.
3. The method for displaying the achievements of the traffic planning engineering project according to claim 1, wherein the S3 specifically includes: and shooting the line engineering in a route-following mode, and shooting the positions of the crossed nodes in a surrounding node mode.
4. The method for displaying the achievements of the traffic planning engineering project according to claim 1, wherein in S8, the sequence of aerial video pictures, the sequence of traffic simulation pictures and the sequence of terrain mask pictures are arranged in a bottom-up order.
5. The method for displaying the achievements of the traffic planning engineering project according to claim 1, further comprising: and S9, processing the joint of the BIM model, the traffic simulation model and the aerial photography video.
6. A traffic planning engineering project achievement display device is characterized by comprising:
the BIM model building module is used for building a BIM model of a traffic planning engineering project, and the BIM model comprises an engineering structure and a terrain;
the traffic simulation model establishing module is used for importing the BIM into traffic simulation software to establish a traffic simulation model;
the aerial video processing module is used for processing the aerial video to generate an aerial video picture sequence and obtain three-dimensional characteristic points and a camera of the aerial video;
the first position matching module is used for importing the BIM model and the traffic simulation data into rendering software, generating a simulation vehicle and matching the BIM model with the position of the simulation vehicle;
the second position matching module is used for guiding the three-dimensional feature points and the camera into rendering software and matching the three-dimensional feature points and the camera with the BIM and the simulated vehicle position;
the mask setting module is used for setting the terrain in the BIM into a mask, setting the material and rendering parameters of the BIM, and rendering a traffic simulation picture sequence and a terrain mask picture sequence;
and the video fusion module is used for importing the aerial photography video picture sequence, the traffic simulation picture sequence and the terrain mask picture sequence into video processing software, and fusing the invisible part of the video in the terrain mask BIM model into a display video.
7. A computer-readable storage medium, characterized in that the storage medium has stored thereon a computer program which, when being executed by a processor, carries out the method for displaying the results of a traffic planning engineering project according to any one of claims 1 to 5.
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| CN202011395564.1A CN112669440A (en) | 2020-12-03 | 2020-12-03 | Traffic planning engineering project achievement display method, device and storage medium |
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| CN202011395564.1A CN112669440A (en) | 2020-12-03 | 2020-12-03 | Traffic planning engineering project achievement display method, device and storage medium |
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Citations (3)
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| CN107844635A (en) * | 2017-10-12 | 2018-03-27 | 上海市政工程设计研究总院（集团）有限公司 | Realize BIM information and traffic simulation information integrated system and its integrated approach |
| CN108052776A (en) * | 2018-01-12 | 2018-05-18 | 河南省水利勘测设计研究有限公司 | Based on the flood model of BIM and three-dimensional live model structure and Dynamic Display method |
| US20190325089A1 (en) * | 2018-04-18 | 2019-10-24 | Reconstruct Inc. | Computation of point clouds and joint display of point clouds and building information models with project schedules for monitoring construction progress, productivity, and risk for delays |
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- 2020-12-03 CN CN202011395564.1A patent/CN112669440A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107844635A (en) * | 2017-10-12 | 2018-03-27 | 上海市政工程设计研究总院（集团）有限公司 | Realize BIM information and traffic simulation information integrated system and its integrated approach |
| CN108052776A (en) * | 2018-01-12 | 2018-05-18 | 河南省水利勘测设计研究有限公司 | Based on the flood model of BIM and three-dimensional live model structure and Dynamic Display method |
| US20190325089A1 (en) * | 2018-04-18 | 2019-10-24 | Reconstruct Inc. | Computation of point clouds and joint display of point clouds and building information models with project schedules for monitoring construction progress, productivity, and risk for delays |
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