sphere_grid_test, a Fortran90 code which calls sphere_grid(), which constructs a variety of sets of points over the surface of the unit sphere in 3D.
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sphere_grid, a Fortran90 code which generates grids of points, or of points and lines, or of points and lines and faces, on the surface of the unit sphere in 3D.
To see the XYZ data files and images of the sphere grids created by this example program, go to the SPHERE_GRID dataset directory.