Ticket opened: http://trac.mapnik.org/ticket/156
it's my first ticket, so please check it to see if it's good! Thank you! 2008/12/2 Dane Springmeyer <[EMAIL PROTECTED]> > Damiano, > No, Mapnik does not read from the .prj file AFAIK. > > Dane > > > On Dec 2, 2008, at 9:17 AM, Damiano Morosi wrote: > > One more question: did Mapnik use the .prj file when reading shape files? > And how? > > 2008/12/2 Damiano Morosi <[EMAIL PROTECTED]> > >> Hi, >> >> another hint: if I remove all the srs from the mapfile, the tiles are >> generated CORRECTLY while Dane said that the result should be something >> screwy... The only thing that doesn't work here are the scale based rules. I >> think that Mapnik ignore what the measure unit is, so it cannot calculate >> the scale correctly. Maybe introducing a unit="..." param for the map should >> be a good thing? >> >> 2008/12/1 Robert Coup <[EMAIL PROTECTED]> >> >>> I would assume Proj4 does a no-op if the source and destination SRSs were >>> the same, but maybe it doesn't. If it's reprojecting, it does some >>> reasonably complex calcuations on every vertex of every geometry, which >>> would explain the added time. >>> >>> In https://trac.mapnik.org/ticket/138 I added a no-op around not >>> calculating extents for same-SRS map/layers, but maybe proj_transform should >>> do a similar no-op rather than pass it through to Proj4? >>> >>> Rob :) >>> >> >> > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users > > >
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