Hi Thomas,

thanks for the effort, and bringing this into the 21st century.

Here is a little piece of software to set the type and SCS (or any other
variable) in a Povray file from the command line. You don't have to change the
source then to render another texture.

On the command line give
declare=TYP=1

In the Povray file add
#ifdef (TYP)
    #declare Typ = TYP;
#else
    #declare Typ = 1;
#end

// Check whether the correct value is given.
#if ((Typ < 1) | (Typ > 2)
// Give a #warning and set Typ to 1, or give an #error
#end

I use this idea to set radiosity (with a #switch) and I can choose between
several camera positions.

Cheers
Ton

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