I had been building terrain complexes using osgdem using both the -d and -t 
flags to combine elevation and textures.  This works great when I have 
relatively low resolution.  I am now running into scenarios where I am using 1 
meter lidar elevation data and want the maximum number of levels.  This takes 
hours to generate, but I may be looking at the same area over and over.  
However, the texture that I wrap onto that same are will be changing.  Do I 
need to run osgdem for each texture?  As far as I can see in the documentation 
there isn't any way to add texture to an existing osgdem-generated terrain 
complex; am I wrong?  I know that for each level, osgdem is breaking up the 
original texture and doing level of detail wrappings for it, so maybe it is 
impossible.  I may end up digging into the source code for osgdem to see what 
can be done but wanted to pose this question to the forum to see if anyone has 
any ideas about whether this can be done already or how feasible it is to 
 do this by changing the existing source code.  Thanks!

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Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=45162#45162





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