I'm not sure if this is what you're looking for, but you can pre-process your imagery using the gdalwarp utility. I believe that it contains options for rescaling and interpolating the source imagery while maintaining the georeferenced extents of the imagery.
Will On 10/18/07, om <[EMAIL PROTECTED]> wrote: > > Hi Christoph, > > Thanks for your reply. > As you suggested, it is understandable that data generation stops at the > original resolution. Is there any option which helps in creating the > required data by interpolation, in case we require a higher image > resolution? > > Thanks > > Om > > Christoph Ehrler wrote: > > Hi Om, > just a simple answer and some more questions because I'm not one of > the VirtualPlanetBuilder/osgDEM coders. > > The topmost LOD is the one with the worst resolution (only one tile). > The deepest LOD is the one with the best resolution. > When osgDEM arrives at the resolution of the original data it stops > since doing more levels of detail is ridiculous. > > One question for me is how big is LOD 1 ??? > A tile of size 512x512 pixel ?? > Is it possible to reduce the LOD count while preserving that the > highest LOD is the original resolution??? Meaning, I want to reach my > original resolution no matter what I definet as LOD count. > > Cheers > Christoph > On 10/18/07, om <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> wrote: > > Hi, > > I tried to generate paged LOD database using osgdem (Using texture map > and .dem file as input). > The application is unable to generate the LOD database in case of high > no of levels(I tried with a level 9 input but only 6 levels were created). > Application quits after generating these levels without any warning or > error message. > Is there any dependency between the image resolution and no of levels? > Or is it because of some other reasons? > > Thanks. > > Om > > > _______________________________________________ > osg-users mailing list > [EMAIL > PROTECTED]://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ > osg-users mailing list > [EMAIL > PROTECTED]://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 > >
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