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Texture Generation Method Based on Streamline Growth Method

A streamline and texture technology, applied in the field of texture generation based on the streamline growth method, can solve the problems of drastic changes in the vector field, redundant calculations, slow speed, etc., and achieve the effect of increased speed, strong flexibility and fast speed

Inactive Publication Date: 2017-11-24
NORTHEASTERN UNIV LIAONING
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Problems solved by technology

This will inevitably bring some confusion, especially if the vector field changes drastically during a certain period of time, the confusion will be very serious
[0011] The second disadvantage is that the speed is slow, for the following reasons
This brings a lot of computational redundancy, resulting in slow

Method used

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  • Texture Generation Method Based on Streamline Growth Method
  • Texture Generation Method Based on Streamline Growth Method
  • Texture Generation Method Based on Streamline Growth Method

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Embodiment Construction

[0052] The subject of the present invention is "computer graphics", and the research direction belongs to "scientific computing visualization". Further subdivided, it belongs to a method of art and science generation. Using this method, high-quality vector field textures can be quickly generated, and it can provide pixel-level vector field detail description capabilities, which is more conducive to scientific research personnel to analyze, understand, and mine the essence of data.

[0053] The texture generated by the method of the invention can be applied in many disciplines. Specifically, it includes mechanical design, fluid calculation, medical imaging, aircraft and spacecraft design, meteorological data analysis, etc.

[0054] The present invention relates to a texture generation method based on the streamline growth method, characterized in that: the steps of the method are as follows:

[0055] (1) First use the scanning line point positioning method to perform point po...

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Abstract

The invention relates to a texture generation method based on a streamline growth method, which belongs to the field of scientific computing visualization. This method first uses the scanning line point positioning method to perform point positioning and interpolation on each pixel in the vector field; then uses the streamline growth method to generate the static streamline texture of each frame; and then uses the particle trajectory method to generate the current frame trace. Line texture: Finally, the streamline texture of each frame obtained by the streamline growth method and the trace texture generated by the particle trajectory method are synthesized to obtain the output texture of each frame, and each frame is played in a loop to obtain the final dynamic texture animation. The method of the invention can greatly improve the calculation efficiency and precision, has excellent vector field expression ability and strong flexibility, and is suitable for popularization and application.

Description

technical field [0001] The invention belongs to the scientific computing visualization field of computer graphics, and mainly relates to a texture generation method, in particular to a texture generation method based on a streamline growth method. Background technique [0002] "Texture" is a commonly used vector field visualization technology in scientific computing visualization. etc.) to describe and convert a large amount of abstract data into intuitive images. The biggest feature of the texture method is that it can provide pixel-level vector field detail description capabilities, which is more conducive to scientific research personnel to analyze, understand, and mine the essence of data. [0003] Existing texture generation algorithms can be divided into several basic ideas. [0004] The first method is the "spot noise" method. First generates white noise covering the vector field, then stretches the point noise radially along the vector at each point in proportion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T13/00
Inventor 王成恩杜小甫
Owner NORTHEASTERN UNIV LIAONING
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