Hi All, I've been looking into the problems reported by Shayne right at the start of this thread, and with a little help from Christophe's patch have pinpointed the problem and resolved it by re-ordering the reprojection and destination graph building to avoid the reproject from invalidating the internal quad map that vpb::DataSet maintains internally. This re-ordering solves the bug without having to do an costly (in time) patching of the quadMap and is more straight forward code was so will be easier to maintain thatn Christophe's patch too.
In testing I also found that the svn/trunk version of GDAL's multi-threading warp operation was generating black output images, so I've made use of the single threaded version the default which fixes the black texture problem. Could users who've seen this problem with VPB database check out the svn/trunk version of VPB and see how you get on. Cheers, Robert
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