Le 26/10/2010 23:38, Mr nous fit lire :
> Hi There is something that I try to understand every once in a while with
> povray:
> I am trying to have a sky sphere with gradient but still with an alpha layer
> fully transparent in the end image. How do you do that?
> 
> I try using two rgbt colors, both with a transmit value of 1 as entries to the
> colormap.
> 
> If I do that,  only the last entry of color map of my gradient will be used as
> if the the first entry had never existed. so it seems like the transparency is
> baked into the color for each entry. could there be an option to make it so that
> if the first entry has transmit 1 its color is still retained and all
> transparencies
> only applied in the alpha layer?
> 
> 
> 
Could we have a minimal demo scene ? please.

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