CN106951583B - Method for virtually arranging monitoring cameras on construction site based on BIM technology - Google Patents
Method for virtually arranging monitoring cameras on construction site based on BIM technology Download PDFInfo
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- CN106951583B CN106951583B CN201710068573.1A CN201710068573A CN106951583B CN 106951583 B CN106951583 B CN 106951583B CN 201710068573 A CN201710068573 A CN 201710068573A CN 106951583 B CN106951583 B CN 106951583B
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- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The invention discloses a method for virtually arranging monitoring cameras on a construction site based on a BIM technology, which comprises the following steps: establishing a three-dimensional model of a construction site; importing the three-dimensional model into three-dimensional design model software to form a spatial three-dimensional model; adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting imaging information and viewpoint information of the current monitoring picture; and selecting a corresponding monitoring camera according to the imaging information, determining the installation position of the monitoring camera according to the viewpoint information, and virtually arranging the monitoring cameras on a construction site. The invention can be reasonably arranged by the BIM technology, and the monitoring cameras on the construction site are virtually and reasonably arranged by utilizing the visual characteristic and the simulation characteristic of the BIM technology, thereby reducing unnecessary waste of materials in the actual installation process, accelerating the installation speed and reducing the management cost.
Description
Technical Field
The invention relates to a method for virtually arranging monitoring cameras on a construction site based on a BIM technology, in particular to a method for arranging the monitoring cameras on the construction site, which has large construction site, more unit projects and complicated project peripheral conditions.
Background
For the arrangement of a monitoring system in an engineering construction site, the point selection arrangement of a monitoring camera is carried out by referring to a general plane layout diagram and a method of site survey and simulation imagination in a brain on the basis of a traditional arrangement method. The traditional method for arranging the monitoring system has great limitation, because a commonly used camera is installed and fixed at a certain height and faces to a certain specified direction, the imaging range is limited, and the picture cannot be specifically simulated by the human brain; in addition, in the construction process, along with the gradual pulling of the main body structure, the main body structure can block an object originally monitored by a part of cameras, the brains of one or two unit engineering people can also imagine that if the number of unit engineering people is large and the surrounding environment is complex, blind areas and barrier points are more and more, for the situation, the monitoring cameras are usually added to make up for the situation, and because the imaging situation and the visual field height of the monitoring cameras cannot be specifically simulated, the arranged effect is often unsatisfactory, and the result is half the result. Materials are wasted when the monitoring effect is not achieved, and the maintenance cost in the process is increased. Therefore, a new arrangement method is necessary for arrangement of the monitoring cameras in the construction site.
Disclosure of Invention
In view of the defects of the traditional construction site monitoring camera arrangement method, the problem is solved by the invention of the method for virtually arranging the construction site monitoring cameras based on the BIM technology, the monitoring cameras on the engineering construction site can be reasonably arranged in advance, the material waste is reduced, the installation speed is accelerated, and the management cost is reduced.
In order to achieve the technical effect, the invention discloses a method for virtually arranging monitoring cameras on a construction site based on a BIM technology, which comprises the following steps:
establishing a three-dimensional model of a construction site;
importing the three-dimensional model into three-dimensional design model software to form a spatial three-dimensional model;
adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting imaging information and viewpoint information of the current monitoring picture;
and selecting a corresponding monitoring camera according to the imaging information, determining the installation position of the monitoring camera according to the viewpoint information, and virtually arranging the monitoring cameras on a construction site.
In a further development of the method, the method further comprises:
integrating the construction progress plan with the space three-dimensional model in the three-dimensional design model software in time to form an animation set;
combining the animation set with the selected viewpoint information of the installation position of the monitoring camera to produce virtual animation;
and carrying out dynamic monitoring simulation of the monitoring camera in the construction process according to the virtual animation.
The method is further improved in that the building of the three-dimensional module of the construction site comprises: and establishing a structural three-dimensional model of the engineering and a construction general plane arrangement three-dimensional model.
In a further development of the method, the method further comprises: adjusting output parameters of the monitoring picture;
and wherein, the adjusting the view angle of the space three-dimensional model to the monitoring picture to be monitored and outputting the imaging information and the viewpoint information of the current monitoring picture comprises:
and adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting the imaging information and the viewpoint information of the current monitoring picture according to the output parameters.
The method is further improved in that the imaging information includes imaging effect and imaging range of the output monitoring picture.
The method is further improved in that the viewpoint information includes position information at or near a position where the monitoring screen was taken.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the method for virtually arranging the monitoring cameras on the construction site can be reasonably arranged through the BIM technology, and the monitoring cameras on the construction site are virtually and reasonably arranged by utilizing the visual characteristics and the simulation characteristics of the BIM technology, so that unnecessary waste of materials in the actual installation process is reduced, the installation speed is increased, and the management cost is reduced.
Drawings
Fig. 1 is an operation flowchart of a method for virtually arranging monitoring cameras on a construction site based on a BIM technique according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a flowchart illustrating an operation of a method for virtually arranging monitoring cameras on a construction site based on the BIM technique according to the present invention. As shown in fig. 1, the method for virtually arranging the monitoring cameras on the construction site based on the BIM technology mainly includes the following steps:
s01: establishing a three-dimensional model of a construction site;
s02: importing the three-dimensional model into three-dimensional design model software to form a spatial three-dimensional model;
s03: adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting imaging information and viewpoint information of the current monitoring picture;
s04: and selecting a corresponding monitoring camera according to the imaging information, determining the installation position of the monitoring camera according to the viewpoint information, and virtually arranging the monitoring cameras on the construction site.
Taking the autodesk review software and the Navisworks software in the BIM (Building Information Modeling, Building Information model) technology as examples (autodesk review software is used as Modeling software of BIM, Navisworks software is used as design software of BIM, both can be replaced by other BIM software or other technical software with the same function to achieve the effect of the invention, the invention does not specially limit application software), further explaining the invention, and the implementation scheme of the virtual arrangement of the monitoring camera on the construction site is specifically as follows:
in step S01: the three-dimensional module for establishing the construction site comprises: and (3) establishing a structural three-dimensional model of the engineering and a construction general plane arrangement three-dimensional model by using Autodesk Revit software.
The Autodesk Revit software is specially constructed for a Building Information Model (BIM), and the Autodesk Revit is named as building design and construction software in Chinese. BIM is an integrated process built on the basis of coordinated, reliable project information from design, construction to operation. By employing BIM, building companies can design and draw innovative projects using consistent information throughout the process, and can also support better communication by accurately visualizing building appearance, simulating real performance to let project parties know cost, construction period, and environmental impact. In the invention, a structural three-dimensional model of the engineering and a construction general plane arrangement three-dimensional model are established by utilizing the modeling function of the Autodesk Revit software.
In step S02: firstly, exporting an established three-dimensional model of the engineering structure and a three-dimensional model of the construction total plane arrangement into nwc format files by using Autodesk Revit software; and then, introducing and integrating the nwc-format structure three-dimensional model and the construction total plane arrangement three-dimensional model by using Navisvarks software, thereby forming a space three-dimensional model in the Navisvarks software.
And a spatial three-dimensional model in nwc format integrated by Navisvarks software is used as a scene carrier for virtual arrangement of monitoring cameras on a construction site.
The Navisthrocks software is three-dimensional design model software which is visual and simulated and analyzes various formats. The solution supports all project stakeholders to reliably integrate, share, and review detailed three-dimensional design models, at a central position in the Building Information Model (BIM) workflow. BIM is significant in that mutually consistent and computable information about a construction project is created and used at the design and construction stage and thereafter. The Navisworks software can combine design data created by applications such as AutoCAD and Revit & reg series with geometric figures and information from other design tools, and review the three-dimensional project as a whole in real time through multiple file formats regardless of the size of the file. The Navisworks software product can help all related parties to treat a project as a whole, so that various links from design decision, building implementation, performance prediction and planning to facility management and operation are optimized. nwc format is an operating format for Navisthroks software.
After the three-dimensional model established by the Autodesk Revit software is introduced into Navisvarks software, a visual and simulated three-dimensional spatial model can be integrated.
In step S03: the method comprises the steps that the Navisthrocks software is operated to a monitoring picture to be monitored through functions of moving, zooming and the like, the size and the imaging range of an output image of the monitoring picture can be used as a reference basis for selecting a monitoring camera in the future, and a viewpoint where the monitoring picture is located can be used as a position for installing the monitoring camera in the future. That is, the image size and the imaging range of the output image of the monitoring picture are the imaging information output by the current monitoring picture, and the position information of the position where the monitoring picture is shot or the position close to the position where the monitoring picture is shot is the viewpoint information output by the current monitoring picture.
Therefore, the viewpoint function of Navisthrocks software is utilized to provide site selection for three-dimensional space installation of the monitoring camera on the construction site and selection for the model (or parameter) of the monitoring camera in future.
Further, the method of the invention also comprises the following steps: adjusting output parameters of the monitoring picture;
and wherein step S03: adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting the imaging information and the viewpoint information of the current monitoring picture, wherein the method comprises the following steps:
and adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting the imaging information and the viewpoint information of the current monitoring picture according to the output parameters.
The method specifically comprises the following steps: the imaging effect and the imaging size of the output monitoring picture are changed by adjusting parameters (namely output parameters) in the output → image in the Navisthroks software menu bar, so that the imaging effect and the imaging range of a certain monitoring camera can be simulated.
The invention relates to a method for virtually arranging monitoring cameras on a construction site based on a BIM technology, which further comprises the following steps:
integrating a construction progress plan (which can be compiled by common project or Excel and other software) with components (such as walls, columns, beams, plates and the like) of a space three-dimensional model in time in three-dimensional design model software (Naviswirks software) to form an animation set;
combining the animation set with the viewpoint information of the mounting position of the virtually selected monitoring camera to produce a virtual animation;
and carrying out dynamic monitoring simulation of the corresponding monitoring camera in the construction process according to the virtual animation.
By adopting the operation, the Navisthrocks software can be used for simulating the 4D construction period of the project, and virtual animation manufactured by combining the visual angle of the viewpoint can be used as dynamic monitoring simulation of a corresponding monitoring camera in the project construction process in the future.
The 4D construction period simulation is the prior art and indicates that: by linking the BIM with the construction progress plan and integrating the spatial information and the Time information into a visual 4D (3D + Time) model, the construction process of the whole building can be intuitively and accurately reflected. The 4D construction simulation technology can reasonably make a construction plan in the project construction process, accurately master the construction progress, optimize and use construction resources and scientifically arrange a site, and carry out unified management and control on the construction progress, the resources and the quality of the whole project so as to shorten the construction period, reduce the cost and improve the quality. In addition, by means of multimedia video (virtual animation), a project manager can intuitively know the time node and the installation process of the installation of the whole structure, and eliminate the difficulty and the requirement of grasping the installation process, so that the control capability of the project manager on the construction progress is further improved. The constructor can further optimize and improve the original installation scheme so as to meet the requirements of a manager.
The method for virtually arranging the monitoring cameras on the construction site based on the BIM technology can be reasonably arranged through the BIM technology, and the monitoring cameras on the construction site are virtually and reasonably arranged by utilizing the visual characteristic and the simulation characteristic of the BIM technology, so that unnecessary waste of materials in the actual installation process is reduced, the installation speed is increased, and the management cost is reduced.
In order to facilitate understanding of the technical method for virtually arranging the monitoring cameras on the construction site based on the BIM technology, the invention is further explained by taking an operation example, and the specific technical steps for virtually arranging the monitoring cameras on the construction site are as follows:
establishing a structural three-dimensional model and a construction general plane arrangement three-dimensional model of the project by using Autodesk Revit software;
exporting the structural three-dimensional model of the project and the construction total plane arrangement three-dimensional model in the revit format into a file in a nwc format by operating the upper left corner output → nwc in Autodesk Revit software;
opening Navisvarks software, and introducing a nwc-format structure three-dimensional model and a construction total plane arrangement three-dimensional model to form a space three-dimensional model in the Navisvarks software;
the monitoring images to be monitored are operated in Navisthrocks software through functions of moving, zooming and the like, the positions where the monitoring images stand or the positions close to the monitoring images are seen can be used as the positions for erecting the monitoring cameras, and the positions are stored as viewpoints. The corresponding imaging size can be adjusted by setting the size and rendering effect of the output → image window, and the imaging size can be used as a reference basis (the size of a visual angle range, a wide angle or a non-wide angle and the like) for selecting parameters of a monitoring camera in the future;
the project schedule (which can be compiled by project or Excel and the like) and the components (such as walls, columns, beams, plates and the like) of a three-dimensional model are correspondingly integrated to form an animation set through the Timeliner function of Navisthrocks software (the overall image schedule of the project site on any day in the overall construction schedule can be checked through the function), and then the saved viewpoints of the installation points of the monitoring cameras are combined to make a virtual animation, so that the animation can simulate the overall change condition of the installation position monitoring cameras monitoring the construction site in the construction process according to the overall schedule.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A method for virtually arranging monitoring cameras on a construction site based on a BIM technology is characterized by comprising the following steps:
establishing a three-dimensional model of a construction site;
importing the three-dimensional model into three-dimensional design model software to form a spatial three-dimensional model;
adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting imaging information and viewpoint information of the current monitoring picture, wherein the viewpoint information comprises position information of the position where the monitoring picture is located or the position close to the position where the monitoring picture is located when the monitoring picture is shot;
selecting a corresponding monitoring camera according to the imaging information, determining the installation position of the monitoring camera according to the viewpoint information, and virtually arranging the monitoring cameras on a construction site;
the method further comprises the following steps: adjusting output parameters of a monitoring picture, and changing the imaging effect and the imaging size of the output monitoring picture by adjusting the output parameters to simulate the visual angle imaging effect and the imaging range of a certain monitoring camera; and wherein, the adjusting the view angle of the space three-dimensional model to the monitoring picture to be monitored and outputting the imaging information and the viewpoint information of the current monitoring picture comprises: adjusting the visual angle of the space three-dimensional model to a monitoring picture to be monitored, and outputting imaging information and viewpoint information of the current monitoring picture according to the output parameters;
the method further comprises the following steps:
integrating the construction progress plan with the space three-dimensional model in the three-dimensional design model software in time to form an animation set;
combining the animation set with the selected viewpoint information of the installation position of the monitoring camera to produce virtual animation;
and carrying out dynamic monitoring simulation of the monitoring camera in the construction process according to the virtual animation.
2. The method of claim 1, wherein establishing a three-dimensional module for a job site comprises: and establishing a structural three-dimensional model of the engineering and a construction general plane arrangement three-dimensional model.
3. The method of claim 1, wherein: the imaging information comprises the imaging effect and the imaging range of the output monitoring picture.
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| CN110399622A (en) * | 2018-04-24 | 2019-11-01 | 上海欧菲智能车联科技有限公司 | The method for arranging of vehicle-mounted camera and the arrangement system of vehicle-mounted camera |
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| CN110542004B (en) * | 2019-10-10 | 2023-12-22 | 中信国安建工集团有限公司 | Building construction method based on BIM |
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