Bogota Colombia This image shows use of an unusual PCS, but it is otherwise normal. The image isn't really from Bogota of course. Frank Warmerdam warmerda@home.com Geotiff_Information: Version: 1 Key_Revision: 1.0 Tagged_Information: ModelTiepointTag (2,3): 0 0 0 440720 100000 0 ModelPixelScaleTag (1,3): 60 60 0 End_Of_Tags. Keyed_Information: GTModelTypeGeoKey (Short,1): ModelTypeProjected GTRasterTypeGeoKey (Short,1): RasterPixelIsArea ProjectedCSTypeGeoKey (Short,1): PCS_Bogota_Colombia_Bogota End_Of_Keys. End_Of_Geotiff. In GXF terms: #MAP_PROJECTION "Bogota / Colombia Bogota zone" "International 1924",6378388,0.08199189,0.0000000 "Transverse Mercator",6.1547222,-74.2091667,1,1000000,1000000 #UNIT_LENGTH "m",1