On Sat, 2011-05-14 at 09:17 +0200, Philippe Coent wrote: > Hello to all, > I have an osm/postgis/mapnik stack running OK that I use to generate tiles > embedded into an iphone application for offline use. > (we generate tiles with a transparent background so the user is able to > adjust the display) > > I would like to add some subway information and I would like to: > a) draw subways line with specific colors for each line (for instance in > Paris : Metro 1, Metro 2,etc..) > b) draw subway stations name using the same specific colour > > I am able to do a) using osm_line table information, and I am also able to > get subway station names using osm_point table but > I have some difficulties to associate both, using the same color for the line > and the stations. > > Would you have any pointers ?
Take a look at the current osm.xml. This does something similar to associate the colour of turning_circle points with the nearest highway line. What you are looking for in the file is the use of ST_DWithin() to identify the lines which are within a small distance of the point. Jon _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
