Kai and all other respondents, This is great response to my query and I will definitely continue to look into using the latest mod_tile/renderd code to work - in my specific case - with British National Grid projection, 27700.
Jason On 26 March 2013 04:44, Kai Krueger <kakrue...@gmail.com> wrote: > On 03/07/2013 08:36 AM, Jason Lee wrote: > >> Hi all, >> It might seem an odd question but I'll give it a shot - would >> mod_tile/renderd support the dynamic generation of map tiles in a map >> projection other than web mercator? If not, then would it be possible/how >> difficult would it be to modify the code to support it? >> > In case you are still interested, I have now refactored the code a bit to > make it easier to support different projections. Supporting new projections > now should be as simple as adding 6 numbers, (the boundaries in projected > coordinates and the map aspect ratio). For the moment you still need to > recompile renderd after changing / adding those numbers, but in the future > that might change. > > At the moment it supports spherical mercator and plate carree out of the > box and they can be mixed in the same rendering server. You configure those > by changing the srs of the mapnik style sheet to the appropriate values. > > Also it is now possible to configure the size of the tiles in renderd.conf > and it is no longer hard coded to be 256 px. (You still need to change the > mapnik stylesheet for the appropriate PPI though). > > Kai > > >> The only other thing I can think of is using MapProxy with Mapnik backend >> but I'm not sure the scalabilty/performance compared to mod_tile. >> >> Thanks and regards, >> Jason >> > >
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