Gerrick, Thanks for the tip. I searched for osg and "normalizing normals" and came up with:
posAttitudeTrans->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON); We gave it a try and sure enough it worked. Regards Galen On Thu, Jul 3, 2008 at 1:58 PM, Gerrick Bivins <[EMAIL PROTECTED]> wrote: > By that I meant enabling GL_NORMALIZE. > > > On 7/3/08 1:50 PM, "Gerrick Bivins" <[EMAIL PROTECTED]> wrote: > >> >> Have you tried "normalizing" your normals after scaling? >> >> >> On 7/3/08 1:36 PM, "Galen Faidley" <[EMAIL PROTECTED]> wrote: >> >>> Doug, >>> >>> Thanks for getting back to Abhishek on this. I have been working with >>> him on the issue as well. >>> >>> We had already tried alternate default lights and the custom lighting >>> but nothing seemed to help (we also tried them again after your post >>> as a sanity check). However, seeing the working lights in your screen >>> shot made us do some more experimentation. It turns out we were not >>> quite using the default osgNav. We had scaled the model by a factor >>> 0.001. When we removed the scale the lighting behaved as expected. >>> We also added the scale to the osg file and the lighting in osgviewer >>> looked exactly like what we originally saw in juggler (the files are >>> both attached). >>> >>> So I guess the question is how do we scale a light or at least get >>> equivalently lighting with the scaled model? I tried a number of >>> things: attaching the light below the scale transform, scaling the >>> light position, and scaling all the light parameters >>> (constant_attenuation, linear_attenuation, etc). So far none of these >>> seem to make a difference. >>> >>> We'd appreciate any insight. >>> >>> Regards >>> Galen >>> >>> >>> >>> On Thu, Jul 3, 2008 at 11:26 AM, Doug McCorkle <[EMAIL PROTECTED]> wrote: >>>> >>>> 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/class>>> > v >>>> rj_1_1OsgApp.html#1b1994aa3043cd522e749853595d4796 >>>> >>>> or setup your own light: >>>> >>>> > http://developer.vrjuggler.org/docs/vrjuggler/2.2/programmer.reference/class>>> > v >>>> rj_1_1OsgApp.html#e0a9dc2d8da29770af997f811df10144 >>>> >>>> Here is what your data looks like in my VR Juggler / OSG app. >>>> >>>> Doug >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> osg-users mailing list >>>> [email protected] >>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>>> >>>> >>> _______________________________________________ >>> osg-users mailing list >>> [email protected] >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
