Robert, I can't use Multipass technique because my viewer doesn't support pre-cameras.
It is my intention to use Multi-pass when I can resolve the viewer issues, but in the meantime, I'd appreciate some guidance on my original question. Alex On Tue, May 24, 2016 at 6:12 AM Robert Osfield <robert.osfi...@gmail.com> wrote: > Hi Alex, > > The osgVolume::MultipassTechnique supports mixing geometry with the > volume and constraining to a convex hull geometry. This is what you > should use instead of FixedFunctionTechnique, the only reason to use > this now is that you've have completely hopeless hardware+drivers that > are incapable of doing proper volume rendering. > > Robert. > > On 23 May 2016 at 22:49, Alex Taylor <alextay...@gmail.com> wrote: > > Hey all, > > > > From previous posts, I understand clearly that FixedFunctionTechnique is > the > > worst of the osgVolume techniques in terms of both speed and quality of > > results. > > > > However, due to some specific requirements of the application I'm trying > to > > build (need for clipping to a bounding box, need to insert other geometry > > into scene) and limitations in the osgViewer in my environment (no > support > > for pre-cameras), FixedFunctionTechnique may be something I have to > > consider. > > > > I was wondering, I understand that createNormalMapTexture is to allow for > > lighting with FixedFunctionTechnique. What does one do with the resulting > > array of normal vectors once you call createNormalMapTexture? Is there an > > interface somewhere to pass the normals? How would one use > > createNormalMapTexture to implement lighting when using > > FixedFunctionTechnique? > > > > - Alex > > > > - > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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