4. Alpha Channel Layer in texture

Alpha Channel Layer in texture

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    THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED

    On 23/05/2007 at 12:44, xxxxxxxx wrote:

    User Information:
    Cinema 4D Version:   9.6+ 
    Platform:   Windows  ; Mac  ;  Mac OSX  ; 
    Language(s) :

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    Hi All,

    i see a very particular problem when i load a texture and try to select the alpha channel.
    here the image that show what i do.

    _<_img border="0" src= "http://www.tarabella.it/c4d/vrayforc4d/alphaproblem.jpg"_>_

    after that.. the rendering in the material always return RAY_USERBREAK and the MATPREVIEW_GENERATE_IMAGE is called until all crash... but if i start render on picture viewer... the render of alpha is good.. and the material preview is updated in a correct way.

    Same problem if i try to render in a viewport, but if i start render in picture viewer and then start rendering in viewport.. all go fine.

    seem that there are different levels of rendering.
    Another strange things is that if i try to render with scene motion blur my scene. all ok except the texture or shaders are not traced.

    Thanks for the support
    Renato T.

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