On Wed, Mar 31, 2010 at 8:09 PM, Firmin,Mark [Ontario] <[email protected]> wrote: > First time caller, long time listener.
"Hey now... Thanks for calling." Really, Mark from Environment Canada? Thanks for the weather today. It was super. > I've been using OSM for about three month now and am amazed at it's > potential. I have been exporting street maps for printing, and am drooling > for more. After reading a series of threads, I am sure that what I am about > to ask has been accomplished, but I can't find any documentation to support > it. > > Here goes: I am interested in making larger maps than OSM.org allows and > have successfully setup Mapnik to create these images, but cannot get the > scale right. If I export using the OSM export tag, it's perfect, but if I > create a bounding box in Mapnik and export and set the zoom level and image > size, my image isn't scaled correctly. Does anyone know how the export > algorithm in OSM works, and what steps I may be missing? nik2img seems to make a really good match to the web site zoom levels. I don't grok all of the settings so I haven't worked out what to do when I want to print at say 600dpi, but you might have more luck with it than I nik2img: http://code.google.com/p/mapnik-utils/wiki/Nik2Img examples: http://trac.mapnik.org/wiki/Nik2Img _______________________________________________ newbies mailing list [email protected] http://lists.openstreetmap.org/listinfo/newbies
