Tuesday, April 14, 2009

Changing from floats to doubles

In an attempt to remove some of the banding I'm seeing, I've changed from floats to doubles:

Index of refraction 1.33, double precision floating point:

Index of refraction 1.33, single precision floating point:

Difference image of the two:

The banding is gone, but now I'm seeing some ellipse shaped dark spots that I didn't expect to see.

The next three images use an index of refraction of 2.69.

Double precision:

Single precision:


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