2009/12/6 Michal Migurski <[email protected]>: > On Dec 5, 2009, at 5:11 PM, Philip Stubbs wrote: > >> Ok. Before I get too deep into sql I have thought of an alternative >> solution. If I use point placment, many more labels appear. >> Unfortunatly, it looks a mess. So, is it possible to ammend the layer >> definition for the text layer to only pick up roads within a certain >> length range? >> >> Looking at the postgis docs looks like there is an ST_Length function. >> Can I use this in my layer definition? > > > Yes, you can put an awful lot of complicated SQL into the "table" > parameter. Here's one we used not long ago: http://dpaste.com/129815/
Thanks for that. It may take me some time with an SQL reference and PostGIS docs to pick that apart, but it looks like I may be in the right direction. If I get something that works, I may post back. -- Philip Stubbs _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
