> I just rendered 600 pictures for
> an animation.
>
> Flying over a village with big
> photovoltaic roofs.
>
> The source for the scnee is at
>
> http://wohnen.pege.org/2011-solares-bauland/pov.zip
>
> With the setings in this file,
> picture 316, 364, 450
> has complete different color on the roof.
>
> The roof is with a material map
>
> #declare house_t_PV_Unit = texture
> { material_map
> { gif "map-pv.gif"
> texture { house_t_Aluminium }
> texture { house_t_PV_Silizium }
> texture { house_t_PV_Silizium }
> texture { house_t_PV_Silizium }
> } // material_map
> } // texture
>
> can this be an error in POV?

The failure was in map-pv.gif

In all the pictures had been only
used

color index 0
color index 254

I reduced color depth to 16.
Now had the 2 used colors index 0, 1
and the effect dissappeared

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