Method for texture combination of model data

A model data and texture technology, applied in the computer field, can solve the problems of low rendering efficiency and high hardware requirements, and achieve the effect of solving the problem of large file volume, good flexibility and reduced overhead

Inactive Publication Date: 2017-02-08
ZHEJIANG KELAN INFORMATION TECH CO LTD
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Problems solved by technology

[0003] Aiming at the shortcomings of high hardware requirements and low rendering efficiency in the prior art, the present invention provides a method for texture merging of model data

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  • Method for texture combination of model data

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Such as Figure 1 to Figure 2 As shown, a method for texture merging of model data includes the following steps:

[0016] (1) Obtain the existing model data, and for multiple model data nodes on the model data, when building up the pyramid level, merge the vertices so that it is organized into model data of one node;

[0017] (2) Merge multiple model data vertices, obtain the size and aspect ratio information of the original texture, and merge the original texture corresponding to the model data into the target texture; access to information;

[0018] (3) According to the texture coordinate information calculated in step (2), use the texture placement strategy to place the original texture on the specific position of the target texture. The texture placement strategy is based on the current original texture width information, degree h...

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Abstract

The present invention relates to the computer technology field, and discloses a method for texture combination of model data. The method comprises the following steps: (1) performing peak combination to form the model data of one node when a plurality of model data nodes on the model data construct the hierarchy of a pyramid upwards; (2) performing peak combination of the model data, performing combination of the textures corresponding to the model data, obtaining the original texture information, and obtaining the target texture information; (3) employing a texture putting strategy to put the original texture on the concrete position of the target texture according to the texture coordinate information obtained through the calculation in the step (2), and determining the matching of the width and the height; and (4) in the texture combination process, performing preprocessing of the original texture, wherein the target texture putting rule is that the target textures are putted in from left to right until the combination is completed. According to the invention, the problems are solved that the number of the files is big and the reading and writing are frequent, and the scheduling and drawing cost is reduced.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a method for combining textures of model data. Background technique [0002] In the application of 3D digital city, it is a relatively difficult problem to render massive city model data efficiently and in real time. Due to the limited hardware performance of ordinary computer graphics cards, optimizing the rendering efficiency of massive city model data at the software level has become an urgent problem. Contents of the invention [0003] Aiming at the shortcomings of high hardware requirements and low rendering efficiency in the prior art, the present invention provides a method for texture merging of model data. [0004] In order to solve the above technical problems, the present invention is solved through the following technical solutions. [0005] A method for texture merging of model data, comprising the steps of: [0006] (1) Obtain the existing model data, and for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T19/20
CPCG06T19/20G06T2219/2008
Inventor 吕健刚俞蔚
Owner ZHEJIANG KELAN INFORMATION TECH CO LTD
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