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On Mon, 28 Sep 2015 19:47:22 +0200, Le_Forgeron <jgr### [at] freefr>
wrote:
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>> Am 27.09.2015 um 15:47 schrieb AQ:
>>
>>> I have a virtual block made of several wood that I want use a
>>> sphere to cut a depression onto to make it into a bowl. When I
>>> try it the pigment of the sphere shown on the surface hiding the
>>> laminations. I am sure in the past I could get this to work.
>>> Any advice would be appreciated.
>>
>> My spontaneous thought is that simply using an untextured sphere
>> should do the trick.
>>
>My second thought would be to look at cutaway_textures
>
>> http://wiki.povray.org/content/Reference:Cutaway_Textures
>
>But beware of the killing note:
>
>POV-Ray will determine which texture(s) to use by doing insidedness
>tests on the objects in the difference or intersection. If the
>intersection point is inside an object, that object's texture will be
>used (and evaluated at the interior point).
>If the parent object is a CSG of objects with different textures, then
>the textures on overlapping parts will be averaged together.
>
>which means that your wood's parts should be clean (and not just
>hidden by another part).
>
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Thank you I will have to think about what that means
John
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