I have just made a macro that will produce "Angle Of Incidence"
function for (isosurface-) functions passed to it.
The resulting AOI function can for example be used with
pigment_map or texture_map to make accurate AOI controlled
textures for isosurfaces.
You can find an example image attached.
Tor Olav
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Download 'IsoAOI_test04.jpg' (43 KB)
Preview of image 'IsoAOI_test04.jpg'
![IsoAOI_test04.jpg](/povray.binaries.images/attachment/%3CXns9391C756C905Ftorolavkhotmailcom%40204.213.191.226%3E/IsoAOI_test04.jpg?ttop=443840&toff=7700&preview=1)
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