Well, if it's shrinking towards the poles, it basically is not a Mercator projection (at least not the traditional normal Mercator where the cylinder is wrapped around the Equator)...
Which "nautical chart viewer" did you see this in...? -- Barend Köbben Senior Lecturer, ITC - University of Twente, Faculty of Geo-Information Science and Earth Observation PO Box 217, 7500AE Enschede (The Netherlands) +31-(0)53 4874 253 +++++++++++++++++++++++ FOSS4G 2013: Geo for All Nottingham (UK), 17-21 Sep 2013 http://2013.foss4g.org +++++++++++++++++++++++ On 04-02-13 06:26, "feverzsj" <[email protected]> wrote: >hi, list >I've noticed that lots of map viewer (especially those nautical chart >viewer) will shrink a mercator projected chart while panning towards >poles. >Is this some compensation for mercator distortion? >Is this a dedicated projection? >How to implement that under qgis? > > > > >-- >View this message in context: >http://osgeo-org.1560.n6.nabble.com/Mercator-projection-that-shrinks-towar >d-pole-tp5031876.html >Sent from the Quantum GIS - User mailing list archive at Nabble.com. >_______________________________________________ >Qgis-user mailing list >[email protected] >http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
