Jason Daly wrote: > Andrew Cunningham wrote: > > > Adjusting the material color alpha will work for some geometries but I have > > other geometries where each vertex has a BIND_PER_VERTEX color ( think of > > a contour plot of a value), so I would still need to adjust the alpha of > > each vertex color. > > > > > > Actually you don't (unless you need a different alpha for each vertex). > Normally, the material's settings will override the color array values. > However, if you set the Material's color mode to some value other than > NONE, the material color for that element (AMBIENT, DIFFUSE, > AMBIENT_AND_DIFFUSE, SPECULAR, or EMISSION) will be replaced by the > vertex color. Unless you doing something fancy, you can typically set > the color mode to AMBIENT_AND_DIFFUSE, which lets you make use of your > vertex colors, but vary the alpha as you need to. > > Look in the red book, or the glColorMaterial man page for more info. > > --"J" > > _______________________________________________ >
Ahhh light comes on... thanks! ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=13796#13796 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
