Hi Angus, I think you can use spatialite for datasouce.
http://trac.mapnik.org/wiki/SQLite http://code.google.com/p/pyspatialite/ I think the challenge is how to create a mapcanvas in wxpython or pyqt without use of qgis mapcanvas to render mapnik and various layer. Have a look at quantumnik as well. http://bitbucket.org/springmeyer/quantumnik/wiki/Home There is already sample program using PyQt with mapnik without Qgis mapcanvas. Have look at the archive. Right now, I can find the exact URL to download it. http://www.mail-archive.com/search?l=mapnik-users%40lists.berlios.de&q=feverzsj+simple+map Noli On 9/24/10, Angus Dickey <[email protected]> wrote: > Hi, > > I am new to Mapnik and was thinking about using Mapnik as the mapping > solution for a desktop GIS application. My initial thoughts were to use: > > - Python > - wxPython > - Mapnik > > With other packages (OGR/GDAL, Shapely, pyproj, etc.) if needed. > > I have looked at the Mapnik samples and API and I know it can make a great > looking map, what I am not sure about is the ability to add a > temporary/dynamic layer. What I would like to be able to do is have Mapnik > set up with static background mapping data and add markup (or temp layers) > to Mapnik made up of geometry (points/lines/polys) calculated elsewhere. Is > this possible in Mapnik? I see there are some provisions for a "Memory > Datasource" but it looks like it only supports points? > > Anyone have any thoughts on how this might be done? I thought about having a > text based OGR layer (GeoJSON?) added to Mapnik and changing this file on > disk; doesn't really seem like a good idea though... > > Any info or thoughts are appreciated. > > Thanks, > > ~Angus > > > > > > > _______________________________________________ > 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

