Thanks for responding. I think I was a little unclear in my original description. My xy-location raster is stored as pixel values (720 rows and 1440 columns, with the origin (0, 0) at the bottom left corner), such that an individual pixel might have a coordinate of 125, 256. I need to somehow "project" this xy location raster into a lat long location where the coordinate values to each pixel are in lat-long coordinates (e.g. 0 degrees longitude, 0 degrees latitude is the center of the grid, the left edge is at -180 degrees (West), and the north edge is at 90 degrees (North)). Since there are 720 rows, it is clear that each pixel represents 1/4 of a degree (the satellite product has a global extent), and the "re-projected" copy in the lat long location will have a resolution of 1/4 degree. In essence, I need to somehow reassign coordinate values to each pixel so they are in lat-long rather that pixel coordinates.
Thanks! Bill _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
