On Tuesday 29 May 2007 12:41, Dylan Beaudette wrote: > > In order to turn a set of [src, dest] coordinate pairs into an affine > > transformation, you have to solve a system of linear equations. The > > solution is the entries in the require affine transformation matrix. In > > order to fully determine an affine transformation you need 3 control > > points and their images under the transformation.
Ok, here is a quick how-to: http://casoilresource.lawr.ucdavis.edu/drupal/node/433 cheers, -- Dylan Beaudette Soils and Biogeochemistry Graduate Group University of California at Davis 530.754.7341 _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
