Hi John, probably your map's projection is UTM and you choose Mercator as map projection. Everything should be fine if you select the correct UTM zone and datum for the map projection in the 1st step.
Oliver > > After some difficulty entering coordinates, I have succeeded in creating > a GeoTIFF maps. Using degrees and minutes (eg S41°21.334' E174°54.746') > produced grotesque (skewed and reversed) maps. Using decimal degrees (eg > S41.3556 E174.9127) produced near perfect GeoTIFF maps. May be this is > a conflict between North/West v South/East bearings when using degrees > and minutes? The only imperfection is that the Lon/Lat grid on the map > is not verticle/horizontal, the map is rotated counter-clockwise > 1.6degrees. Is there a way to correct this? Below is a copy of the > saved reference file. > > #V1.0 > #gcpproj: +proj=longlat +a=6378137.0000 +b=6356752.3141 > +towgs84=0,0,0,0,0,0,0,0 +units=m +no_defs > -a_srs +proj=merc +a=6378137.0000 +b=6356752.3141 > +towgs84=0,0,0,0,0,0,0,0 +units=m +no_defs > -gcp 792 1659 S41.3376 E174.9122 > -gcp 1264 1659 S41.3371 E174.9360 > -gcp 1264 2132 S41.3551 E174.9366 > > *John Groombridge* > > > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Windows: > > Build for Windows Store. > > http://p.sf.net/sfu/windows-dev2dev > > > > _______________________________________________ > Qlandkartegt-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/qlandkartegt-users > ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ Qlandkartegt-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/qlandkartegt-users
