Closed munvoseli closed 3 years ago
In 3d graphics, gradients are often calculated by sampling the 4 points in a tetrahedron around the desired point instead of 6 points in an octahedron around the desired point. This commit adds tetrahedral numerical differentiation as an option.
In 3d graphics, gradients are often calculated by sampling the 4 points in a tetrahedron around the desired point instead of 6 points in an octahedron around the desired point. This commit adds tetrahedral numerical differentiation as an option.