A Method for Realizing 3D Mesh Subdivision in Earth Space
A technology of 3D grid and space division, applied in 3D image processing, image data processing, 3D modeling, etc., can solve the problems of data integration management increase, inaccuracy, data sharing obstacles, etc.
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[0058] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0059] like figure 1 as shown, figure 1 The flow chart of the method for realizing the three-dimensional grid division of the earth space provided by the present invention, the method specifically includes the following steps:
[0060] First, select a dummy sphere. The virtual sphere is not the same concept as the reference ellipsoid mentioned in geodesy. It is a virtual sphere, which can be an approximate sphere of the reference ellipsoid stipulated by the International Geodetic Association, or an approximate sphere whose radius is larger or smaller than the approximate sphere. virtual sphere. The radius of the virtual sphere depends on the research scope. For example, if the research scope is the atmosphere and below...
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