I try and I obtain a black image !?... how does it works ?


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>
> >   #declare Ofun_Norm=
> >   function{
> >     max
> >     (
> >     select(abs(Ifun_green_blur(x,y,z)-Ifun(x,y,z).green)-Di_Dist,0,1),
> >     select(abs(Ifun_blue_blur(x,y,z)-Ifun(x,y,z).blue)-Di_Dist,0,1)
> >     )
> >   }
> >
>
> This has to be:
>
> #declare Ofun_Norm=
>   function{
>     max
>     (
>     select(abs(Ifun_green_blur(x,y,z)-Ifun(x,y,z).green)-Di_Norm,0,1),
>     select(abs(Ifun_blue_blur(x,y,z)-Ifun(x,y,z).blue)-Di_Norm,0,1)
>     )
>   }
>
>

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