Hi,

the same way you created your quad you can create many quads ( have a look
at osggeometry example ) or quad strip. Then run osgUtil::SmoothingVisitor
on your Geode to get nice normals. It should be enough for what you want to
do

-Nick


On Wed, Dec 8, 2010 at 4:35 AM, Alden Peterson <[email protected]>wrote:

> Hi,
>
> What I am trying to do is draw a large quad (purpose to use ground, using a
> high res google earth jpg).  I have been doing this by specifying the end
> points of the square, and then putting the texture onto it.  This works
> fine.
>
> However this results in only one lighting condition being applied to the
> entire square/ground.  I would like to allow lighting to be variable across
> the surface - ie if I have a spotlight on the surface, the entire ground
> will light up in the same color instead of having a gradient across it (as
> if the ground was subdivided into many polygons with their own lighting
> calculations).
>
> It would seem there would be an easy way to get OSG to do this - but I do
> not know it.
>
> Any advice in this regard would be greatly appreciated!
>
> Thank you!
>
> Cheers,
> Alden
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=34596#34596
>
>
>
>
>
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