> But there is no reason to.  I think these references should instead
> be changed to "rgbt 1" to save the resources associated with loading
> the colors.inc file.

Ken has kindly pointed out to me that Clear is rgbf 1, not rgbt 1.

The case in question is the following:

#declare M_Wood19B =
color_map {
    [0.00 0.30 color rgb <0.35, 0.175, 0.0875> 
               color rgb <1.00, 0.500, 0.2500> ]
    [0.30 1.00 color rgbf 1 color rgbf 1]  // had "Clear" instead of "rgbf 1"
}


Note if this map was included in another map, for example
in an average, the result could depend on if filter or transmit
was used.  Therefore Ken is correct -- it should be "rgbf 1"
for Clear, as declared in "colors.inc".

Dan
-- 
http://www.flash.net/~djconnel/

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