I wish to "add" intensity to the base texture during the multi-texturing pass, or if necessary a second pass. With multipass and blending function glBlend(GL_DST_COLOR,GL_SRC_COLOR) or glBlendFuncGL_ONE, GL_ONE(GL_ONE, GL_ONE), everything above 0.5 brightens the color. I am unclear how to apply a luminescence texture in Java3d and alternatively darken or brighten the base texture. To do it *right* I would need a third pass to glBlendEquationGL_FUNC_REVERSE_SUBTRACT(GL_FUNC_REVERSE_SUBTRACT) the bias version of the detail with slightly different texcoords, but I don't think these blending options are not available in Java3d. Any suggestions? Dave Yazel =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".