[Radiance-general] formZ and Radiance

[Thomas Seebohm]

I forgot to mention that there is a convenient way for dealing with
material colors when exporting to Radiance by way of obj files and the
obj2rad translator. Before exporting make sure that, in the export
options dialogue for obj, the material option is set to "wrapped" rather
than "off". This will produce a materials file (.mtl extension) which
contains parameters for each surface style (=material) in formZ. This
files is exported with the .obj file. If you name the surface styles you
actually use in formZ (rather than leaving them as style_1, style_2
etc.), you can easily identify the surface styles that you will need in
the Radiance material file. The red, green, blue values for each
material are the three numbers after the kd parameter for a material in
the .mtl file. These can be used directly in the Radiance material file
and will produce colors that correspond closely to those that appeared
in formZ renderings (barring differences in monitor calibration).