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</o:shapelayout></xml><![endif]--></head><body lang=IT link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>I’m trying to warp a GeoTiff image from its datum/projection to EPSG:32633 (WGS84 UTM33 Nord).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>These are the info about the source tiff file:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Driver: GTiff/GeoTIFF<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Files: C:\Users\gpsal\Desktop\venezia.tif<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Size is 10600, 3904<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Coordinate System is:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>PROJCS["WGS 84 / Pseudo-Mercator",<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> GEOGCS["WGS 84",<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> DATUM["WGS_1984",<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> SPHEROID["WGS 84",6378137,298.257223563,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","7030"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","6326"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PRIMEM["Greenwich",0,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","8901"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> UNIT["degree",0.0174532925199433,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","9122"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","4326"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PROJECTION["Mercator_1SP"],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PARAMETER["central_meridian",0],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PARAMETER["scale_factor",1],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PARAMETER["false_easting",0],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> PARAMETER["false_northing",0],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> UNIT["metre",1,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","9001"]],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AXIS["Easting",EAST],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AXIS["Northing",NORTH],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> EXTENSION["PROJ4","+proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs"],<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AUTHORITY["EPSG","3857"]]<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Data axis to CRS axis mapping: 1,2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>PROJ.4 string is:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>'+proj=merc +a=6378137 +b=6378137 +lat_ts=0 +lon_0=0 +x_0=0 +y_0=0 +k=1 +units=m +nadgrids=@null +wktext +no_defs'<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Origin = (1335698.850769308628514,5704032.021438719704747)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Pixel Size = (3.356372516969551,-3.345286391264631)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Metadata:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> AREA_OR_POINT=Area<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> TIFFTAG_XRESOLUTION=72<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> TIFFTAG_YRESOLUTION=72<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Image Structure Metadata:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> COMPRESSION=LZW<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> INTERLEAVE=PIXEL<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Corner Coordinates:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Upper Left ( 1335698.851, 5704032.021) ( 11d59'55.63"E, 45d31'18.17"N)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Lower Left ( 1335698.851, 5690972.023) ( 11d59'55.63"E, 45d26'22.04"N)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Upper Right ( 1371276.399, 5704032.021) ( 12d19' 6.19"E, 45d31'18.17"N)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Lower Right ( 1371276.399, 5690972.023) ( 12d19' 6.19"E, 45d26'22.04"N)<o:p></o:p></span></p><p class=MsoNormal>Center ( 1353487.625, 5697502.022) ( 12d 9'30.91"E, 45d28'50.16"N)<o:p></o:p></p><p class=MsoNormal><span lang=EN-US>Band 1 Block=10600x1 Type=Byte, ColorInterp=Red<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Band 2 Block=10600x1 Type=Byte, ColorInterp=Green<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Band 3 Block=10600x1 Type=Byte, ColorInterp=Blue<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The result is a warped image but georeferencing is bad (difference of some kilometers).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The problem is in the input map or what?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you for your support.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Gian Paolo Saliola<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>