Hi, Sending it again since first mail somehow didn't make it Hb On Nov 29, 2009, at 9:22 PM, Hemant Bist <[email protected]> wrote:
> Hi, > Mapnik is correctly generating the tiles for me. > I am trying to figure out if Mapnik can tell me if the tile (or map > I generated) is empty(i.e. there is no information in the tile). > I have a sparse map with few polygons covering less than 50% of the > total map rendered. > > The empty tiles have small size so that would be one heuristic. I > am hoping there is some better way: either Mapnik can tell me or may > there is some imagemagick or some other tool that can check that all > the pixels in the png are transparent(I am using transparent > background). > > I am currently using generate_tiles.py. > > Would appreciate any pointers. In past I have benefited from > suggestion for workarounds on this list, even if there is no direct > solution. > > Happy Holidays! > HB _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
