2009/1/13 Carl Johansson <[email protected]>: > > > Artem Pavlenko-5 wrote: >> >> Yes. Please note, that the above assumes you don't need >> datum/ellipsoid transforms. >> If you do, then you need to use mapnik::proj_transform object. >> >> I can give a more definite answer if you post both proj4 strings (map >> and what you want to display) >> > > My srs is "+proj=merc +datum=WGS84". > > The initial practical application is to output the clicked point's > coordinates in the status bar (no datum conversion). The future application > will be to plot warfighting symbols onto the QWidget MapWidget. > > Do you think I'm missing something vital?
As I mentioned, if you don't need to do datum/ellipsoid transformations then approach outlined in your previous email should work just fine. Let me know if this is not the case Best Artem > > Regards > Carl > -- > View this message in context: > http://www.nabble.com/Coordinates-in-degrees%2C-radians-and...-what-else--tp21436631p21438392.html > Sent from the Mapnik - Users mailing list archive at Nabble.com. > > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users > _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
