**sphere_llt_grid_test**,
a MATLAB program which
calls sphere_llt_grid() to use longitudes and latitudes to create grids of points, lines,
and triangles
over the surface of a sphere in 3D.

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

sphere_llt_grid, a MATLAB library which uses longitudes and latitudes to create grids of points, lines, and triangles on the surface of the unit sphere in 3D.

- sphere_llt_grid_test.m, calls all the tests;
- sphere_llt_grid_test.sh, runs all the tests;
- sphere_llt_grid_test.txt, the output file.

- sphere_llt_grid_display_test.m
- sphere_llt_grid_line_count_test.m
- sphere_llt_grid_lines_test.m
- sphere_llt_grid_point_count_test.m
- sphere_llt_grid_points_test.m
- sphere_llt_grid.png, a PNG image of an LLT grid.