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
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