Weber, Cory C. writes: > > I didn't think the tiff image standard hand point of origin > specification.
Note the negative pixel Y size in the ESRI tfw file to accomplish 'flipping' the image http://www.gdal.org/frmt_various.html#WLD Cheers Norman > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Norman Vine > Sent: Tuesday, January 16, 2007 4:45 PM > To: 'osg users' > Subject: RE: [osg-users] OSG DEM Question > > Jason Beverage writes: > > > > I've looked through the code and I can't see anything glaringly > > obvious as to why files with embedded geospatial > coordinates work fine > > > but it inverts terrain when specifying the geotransform on > the command > > > line. > > The reason is latitude is positive up negative down The opposite of an > image that has line 0 at top > > Eg an image Y increases in the down direction > > Hth > > Norman > > _______________________________________________ > osg-users mailing list > [email protected] > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ > > _______________________________________________ > osg-users mailing list > [email protected] > http://openscenegraph.net/mailman/listinfo/osg-users > http://www.openscenegraph.org/ > _______________________________________________ osg-users mailing list [email protected] http://openscenegraph.net/mailman/listinfo/osg-users http://www.openscenegraph.org/
