A 3D Model Stakeout Method Based on Computer Geometric Offset Algorithm
A geometric offset and computer technology, applied in the field of 3D model lofting based on the computer geometric offset algorithm, can solve the problem of high cost of optimization processing, and achieve the effect of reducing the amount of calculation, 3D grid or 2D grid
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[0085] The technical solutions of the present invention will be further described below with reference to the accompanying drawings.
[0086] The 3D model lofting method based on the computer geometric offset algorithm according to the present invention comprises the following steps:
[0087] (1) According to hardware device input / interaction with other software, a cross-sectional polyline with M vertices and a polyline to be offset are obtained;
[0088] (2) Obtain an initial offset vector group whose length is equal to the number of vertices M according to the cross-sectional polyline and the first vertex of the polyline to be offset, and the specific implementation of step (2) is as follows:
[0089] (21) Declare the counter k=0, and set the coordinate of the first vertex of the polyline to be offset as p0;
[0090] (22) Obtain the coordinate p of the k+1th vertex of the cross-section polyline;
[0091] (23) assigning the k+1th element of the offset vector group as a vect...
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