> When I rotate the sphere .. nothing happens.> When I rescale the sphere the results are almost the same.
Have you tried a texture without a HDR image? If you have and it still
behaves odd, it's probably your code.
I'd be glad to help, but I will need to see the code.
You can post it on povray.binaries.scene-files, or mail it to me.
Regards,
Hugo
