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STL (Standard Template Library) file format based three-dimensional model coloring and color information access method

A 3D model and file format technology, applied in 3D modeling, image data processing, instruments, etc., can solve problems such as single color of the model and unsatisfactory visualization effect, and achieve good technical inspiration, excellent visualization effect, and low processing cost Reduced effect

Active Publication Date: 2014-04-23
GUANGDONG PHARMA UNIV
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Problems solved by technology

However, since the 3D model expressed by the STL file only records the geometric position information on the surface of the object, there is no topological information expressing the relationship between the geometry, and the overall color of the model is single. Therefore, when expressing a more complex 3D model structure, its visualization unsatisfactory effect

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  • STL (Standard Template Library) file format based three-dimensional model coloring and color information access method
  • STL (Standard Template Library) file format based three-dimensional model coloring and color information access method
  • STL (Standard Template Library) file format based three-dimensional model coloring and color information access method

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[0034] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the patent.

[0035] For those skilled in the art, it is understandable that some well-known structures and descriptions thereof may be omitted in the drawings.

[0036] The technical solutions in the invention will be clearly and completely described below in conjunction with the description and drawings of the invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] Such as Figure 1~Figure 11 As shown, this implementation includes three parts: the first part is color access, the second part is the mapping from the 2D screen to the 3D space, and the third part is the coloring of the 3D ...

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Abstract

The invention discloses an STL file format based three-dimensional model coloring and color information access method. The method comprises the following steps of: firstly improving the STL file format to store triangular color information; secondly, performing boundary division and regional color filling to the interested part of the model according to a visualization requirement of the three-dimensional model; at last, saving color information in the improved STL file. When a complicated three-dimensional model structure is expressed, the visualization effect of the method is outstanding. The method supplements the deficiency in the prior art excellently and improves the storage mode and the process mode, so as to facilitate promotion of the operating efficiency and reduction of the processing cost. Therefore, the method can enlighten technology better and is of profound significance.

Description

technical field [0001] The invention belongs to the technical field of three-dimensional model visualization, and in particular relates to a three-dimensional model coloring and color information access method aimed at the STL file format. Background technique [0002] The STL (STereo Lithograph) file format is a three-dimensional geometric model that represents the outer contour shape of an object with a collection of triangles. It has been widely used in various three-dimensional solid model processing fields. However, since the 3D model expressed by the STL file only records the geometric position information on the surface of the object, there is no topological information expressing the relationship between the geometric bodies, and the overall color of the model is single. Therefore, when expressing a more complex 3D model structure, its visualization The effect is unsatisfactory. Contents of the invention [0003] The present invention aims to solve the above techn...

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Application Information

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IPC IPC(8): G06T17/30
Inventor 易法令徐文华黄展鹏
Owner GUANGDONG PHARMA UNIV
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