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Dan Whiteside's fog mat and transparency tree leaves

gabrielmoreau1968_8c02e302d9gabrielmoreau1968_8c02e302d9 Posts: 0
edited October 2012 in Bryce Discussion

Bonjour,

Dan's fog is a great discovery... http://www.daz3d.com/forums/discussion/5266/P15/#74617

But, there are artifacts when rendering with tree leaves.

the transparency of the texture of the leaves can see through the fog...

You should use the correct foliage shape and texture without transpence to avoid the problem.

tree.jpg
640 x 480 - 223K
Post edited by gabrielmoreau1968_8c02e302d9 on

Comments

  • Dan WhitesideDan Whiteside Posts: 506
    edited December 1969

    Hi Gabriel;
    Unfortunately, that's a flaw in the volumetric algorithm - Alpha Transparency doesn't work "inside" V-Textures. My understanding this is a conceptual problem that is extremely difficult to fix.
    -Dan-

  • foleyprofoleypro Posts: 485
    edited December 1969

    If I am not mistaken it all comes down to the alpha map...
    If I had the product I could delve into it and see...

    I had this same problem using a png file as an alpha and when I switched over to a tiff it changed...?

  • gabrielmoreau1968_8c02e302d9gabrielmoreau1968_8c02e302d9 Posts: 0
    edited December 1969

    Fortunately, you can avoid this flaw ... Do not use the alpha mask texture!!!

  • Dan WhitesideDan Whiteside Posts: 506
    edited December 1969

    Cool! Good find.

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