AutoLisp source for B-spline control polygon and interpolated contour lines

1 year ago
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Science Education autocad autolisp computational design source code bspline contourline interpolate surveying b-spline

It creates the control polygon and interpolates a POLYLINE with cubic B-Spline. The interpolated curve passes through the initial points and you can control its curvature. It can also generate interpolated contour lines on a triangulation
https://rcad.eu/autolisp_source/

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