Mike Raiford wrote:
> Could someone briefly explain to me the format of the file saved in the 
> radiosity save_file directive.

These files contain a text representation of the radiosity data tree 
generated by POV-Ray.  Direction vectors are stored in a special 
compressed form.  For the details you should have a look at the POV-Ray 
source code but for understanding most parts of it you need some deeper 
understanding of the inner workings of the radiosity feature.

Don't expect the format not to change in future versions of POV-Ray.

Christoph

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