I did what said Zach : 2) Add a material to the top of the node's hierarchy, and then apply alpha values to it.
And it works very well. Thanks ! 2007/4/18, Paul Martz <[EMAIL PROTECTED]>:
I believe you can set a BlendColor state attribute at your top level node to achieve this effect. -Paul ------------------------------ *From:* [EMAIL PROTECTED] [mailto: [EMAIL PROTECTED] *On Behalf Of *christophe loustaunau *Sent:* Wednesday, April 18, 2007 6:46 AM *To:* osg users *Subject:* [osg-users] transparency on a node Hello ! I have some questions about transparency. I load a file (ive) into a node, and then i wan't this node to be more and more transparent. I think i can do this with blending and the value of alpha. But we can't do a setcolor(r,g,b,a), on a node, so.. Next i have look the nodeMask. with it i could hide the node completely but not progressivly. I someone have an idea how doing this it will be helpfull. thanks _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
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