Because image_width and image_height are enabled
all the time, im left with something like this:

#ifdef(unofficial_version)
	// for MegaPOV
	#declare Image_width=image_width;#declare Image_height=image_height;
#else 
	// for Official POV
	#declare Image_width=800;#declare Image_height=600;
#end

camera{ location <...> right x*image_width/image_height look_at <...> }

Thanks for your help,
Mr. Art
Mark Wagner wrote:

> #ifdef(unofficial_version)
>   #if(unofficial_version = -1)
>     Official = true;
>   #else
>     Official = false;
>   #end
> #else
>   Official = true;
> #end
>

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