Thanks All! GDAL rocks! Turns out it can read ONC & TPC files, just didn't see the extension supported in the GDAL list so I never tried, but like I said, I'm a new user. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.osgeo.org/pipermail/gdal-dev/attachments/20070320/1da694dd/attachment.html