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DRAWFN3D - 3d parametric surfaces drawing program

Gershon Elber

This program allows drawing of 3D free form explicit algebraic surfaces of the form: x = X(u,v), y = Y(u,v), z = Z(u,v), where u,v are the parametric domain parameters.The program displays the surface by sampling it along its isoparametriccurves, and approximating (with settable accuracy) them as piecewise linear polylines. It it also possible to save the surface as a collection of polygons approximating the surface (again with settable accuracy). As on line help is available which can be modifies.

(from the documentation) contains the C source code for this program.
Download [81 KB].

Download the source code [72 KB].

Look at the readme file from the program.