I had a presesentation about this some years ago on INTERGEO fair. It was about nautic maps and how to use them with a compass (sailing from Europe to America).
I am from Germany, our "Norths" are identical, but on a trip from South to North America with a compass only would make lots of trouble. Thanks for your ideas in this topic :) -- Von einem iPhone gesendet und wird daher Fehler enthalten… Am 15.03.2017 um 23:19 schrieb "Tudorache, Marian" <marian.tudora...@navcanada.ca>: > Well some of our maps are not on True North. > Each point on the map was transformed by applying a rotation equal to the > angle between the true north pole and magnetic north . > _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user