Batch assignment and extraction method of attribute parameter of architecture surface material
An attribute parameter, volume surface technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problem of lack of building physical environment analysis, query, extraction functions, etc., to achieve visualization, improve simulation efficiency, simplify Effects of the face numbering process
Inactive Publication Date: 2012-11-14
ZHEJIANG UNIV
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Problems solved by technology
In the past, the 3D modeling of buildings was mainly aimed at the visualization of 3D landscapes, and lacked the functions of analysis, query and extraction of information such as the physical environment of buildings. Therefore, the previous 3D modeling of buildings could not be used to simulate the physical environment of buildings outdoors.
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[0044] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0045] (1) Constructing a vector diagram of a three-dimensional space model of a target building body, where the target building body refers to a building that has been built or a building to be built in planning.
[0046] First, establish the pixel coordinate system, latitude and longitude coordinate system, and distance coordinate system of the scene where the target building is located in sequence, and then establish the three-dimensional space coordinate system of the scene according to the distance coordinate system; secondly, upload the orthographic three-dimensional scene image of the target building to Into the established three-dimensional space coordinate system, the origin of the three-dimensional space coordinate system is set at the lower left corner of the orthographic three-dimensional scene image, and then the three-dimensional space ge...
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The invention discloses a batch assignment and extraction method of attribute parameter of architecture surface material, comprising the following steps: (1) constructing three-dimensional space model vector diagram; constructing a quality database of given material; (2) constructing correspondence between architecture code and architecture surface code, space coordinate of various point on the architecture surface and the corresponding texture coordinates on the architecture surface by establishing an index point set; (3) selecting the texture picture having the same material as the objective architecture to stick to the surface of the architecture; (4) respectively selecting the needed architecture surface and its surface texture picture by using the relative correspondence of step (2) and assigning corresponding material attribute parameter to the texture picture; (5) extracting the needed material attribute parameter and exporting it by the form file from the architecture surface finishing the material attribute parameter assignment.
Description
technical field [0001] The invention belongs to the application field of urban three-dimensional environment simulation, and relates to the visualization of material properties on buildings and the batch assignment and extraction of material attribute parameters. Background technique [0002] The outdoor environment of urban buildings is an important part of the built environment, which is closely related to people's daily life. Studying the outdoor physical environment of buildings is of great significance for improving people's living environment quality and building energy efficiency. The previous 3D modeling of buildings was mainly aimed at the visualization of 3D landscapes, and lacked the functions of analysis, query and extraction of information such as the physical environment of buildings. Therefore, the previous 3D modeling of buildings could not be used to simulate the outdoor physical environment of buildings. Contents of the invention [0003] The purpose of ...
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IPC IPC(8): G06F19/00
Inventor 王伟武姜方鑫王帆金建伟
Owner ZHEJIANG UNIV