robertosfield wrote:
> Hi GG,
> 
> 
> When you switch off fixed function lighting via GL_LIGHTING you change the 
> way that OpenGL's fixed function pipeline is configured so it no longer uses 
> the glMaterial/osg::Material values and only uses the glColor/ColorArray 
> (osg::Geometry::setColorArray(..) values.
> 
> 


Thanks, Robert.
The color issue is about line which osgFX::Outline producted, not about 
osg::Drawable itself. I meant when I switched off GL_LIGHTING related with 
Drawable,  the color of outline went wrong.  I checked the source about 
osgFX::Outline and found that it used a class of Outline::OutlineTechnique 
derived  from osgFX::Technique. I don't very understand the mechanism about 
osgFX::Effect.
I would appreciated it if you give me some information about mechanism 
osgFX::Effect used.

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http://forum.openscenegraph.org/viewtopic.php?p=76617#76617





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