On 02/19/2015 09:37 AM, yannis.forums wrote: > Hi all > Does anyone know where I can find the formulas used for the > transformations in georeferencer module? > Yannis Yanniris > > > GDAL source code. Polynomial seems to be in http://www.gdal.org/gvgcpfit_8h_source.html Best to ask on the GDAL mailing lists. Thanks, Alex