
Anisotropic Filter 32 samples, takes around 7 sec.

Left : Default, Middle : Trilinear Filter, Right : Anisotropic Filter duvw computed using ray-differentials

Left : Default, Middle : Trilinear filter, Right : Anisotropic FilterThis is using duvw from tracing 3 rays.

Derivatives of texture coordinates using Ray-Differentials

derivatives of the texture coordinate, by tracing 3 rays

Default Output working now

I dont know what environment map isnt working properly !!!