> hello group. I hope you can help me.
>
> i have a fairly complex scene using lightsysIVc and one sun (light source)
> i use no radiosity
> i use ambient_light 0.5
> i use #version 3.7
> i replaced ambient with emission on some objects
>
> the problem is objects where shadows are cast on, do not display any fine
> texture details anymore on the cast shadow side. they appear as completely
> uniform matte pigments.
>
> More problematic, i tried to use no_shadow to get around the issue.
> Does not work, shadow is still cast ! (i applied no_shadow to the object, then
> inside the first level CSG, then on all last level objects of the nested CSG, no
> effect)
>
> something seems broken. please advise.
>
>
>

Ambient totaly negate your normals where it's the only source of 
illumination.

I'd turn down ambient down to a more "normal" value of around 0.1 or less.
Add a shadowless light located in the same location as the main light.
Reduce the intensity of the main light to keep the same overall 
illumination.

The shadowless light will bring out the effect of the normal from your 
textures.

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