Hello, I'm using OSG 2.4 and VPB 0.9.8 and I'm having an issue. I'm handing osgdem raster texture files with transparency but the resulting terrain models seem to ignore the alpha channels entirely. Also, I thought VPB alpha'd out NODATA regions. For some reason, it seems to be coloring them solid black instead, for me. Does VPB support having transparency in the texture imagery? I've tried various PNG and GeoTIFF images and seem to come upon the same result. I've tried the various --RGBA and --default-color command line options to no avail. Am I missing something?
Thanks
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