Trajectory control point picking method and device for containing box surface of point cloud model
A point cloud model and trajectory control technology, applied in 3D modeling, instruments, geometric CAD, etc., can solve the problem that it is not easy to complete, the 3D point cloud model cannot maintain a fixed posture, and it is difficult to maintain the relationship between multiple selected path control points and other issues to achieve good consistency, improve standardization, and improve processing quality
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[0063] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0064] refer to figure 1 , figure 1 It is a schematic flowchart of the first embodiment of the method for picking trajectory control points oriented to the containing box of a point cloud model in the present invention.
[0065] Step S1, constructing an array of triangular slices.
[0066] That is, using a triangle meshing processing algorithm to determine and generate all triangles on the surface of a given point cloud model, and constructing all triangles as a triangle array.
[0067] Step S2, constructing a minimal containment box.
[0068] That is, the minimum enclosing box is constructed according to the maximum coordinate value and the minimum coordinate value of the given point cloud model in the three-dimensional coordinate system.
[0069] Step S3, selecting a working surface.
[0070] That is, one con...
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