mapnik-org/mapnik — Issue #728: ability to set a given color to transparent
Author: artemp
Created: 2011-10-11 08:09:36+00:00
State: open
Labels: Core_Library

trunks raster colorizer should likely be used to accomplish this, but I have an old patch against 0.7.x that should be reviewed to make sure similar functionality is in place before mapnik2 release.