Using the GDAL tools, I've built a mosaic of terrain tiles that I'm stitching together using osgdem to create a terrain database. Each terrain tile uses a UTM mapping that is reprojected from a lat/long mapping. Unfortunately when I do the reprojection for each tile, the terrain tile gets slightly shifted so that when I stitch them all together using osgdem, I have discontinuities at each tile boundary in the finished terrain database.
My question is, is there a way to avoid this nasty artifact using either GDAL or osgdem? Perhaps I need to resort to another tool to massage the data before handing it over to osgdem? Thanks for any input in advance. -Shayne
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