[osg-users] Issue with Model Display in OSG with VR Juggler
Doug McCorkle
mccdo at iastate.edu
Thu Jul 3 09:26:15 PDT 2008
On Jul 3, 2008, at 11:06 AM, Abhishek Seth wrote:
> Hi !
>
> I am having problems with how models look when loaded in my
> Application. I am using OSGNav Sample program from VR Juggler 2.2.1
> with OSG 2.4. Juggler uses osgUtil::SceneView but does not use
> osgViewer::.
>
> When I load the file in OsgViewer it looks great; however in
> Juggler's OSGNav it looks awful (the colors get washed out). I
> suspect this is related to how Juggler is handling the Materials and
> Lighting while rendering the model. I have spent a fair amount of
> time working through osgviewer.exe in the debuger to try to
> determine the what it is doing with lighting. It seems to set up
> multiple lights and calls into the light::apply each frame. Juggler
> sets up a sigle light and never calls into the light::apply after
> the initial set up. Before I investigate this further I thought I'd
> asked the list since I have the suspicion that is this something
> simple and someone might recognive the issue my just looking at a
> few screen shots. I have attached screenshots for both Juggler's
> OSGNav & OSGViewer and also the osg file them self. Furthermore, I
> have also included a simple model of a cube that demonstrates the
> same effect.
I imagine this has something to do with how the light is being setup.
I would try using different settings in the:
http://developer.vrjuggler.org/docs/vrjuggler/2.2/programmer.reference/classvrj_1_1OsgApp.html#1b1994aa3043cd522e749853595d4796
or setup your own light:
http://developer.vrjuggler.org/docs/vrjuggler/2.2/programmer.reference/classvrj_1_1OsgApp.html#e0a9dc2d8da29770af997f811df10144
Here is what your data looks like in my VR Juggler / OSG app.
Doug
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