id summary reporter owner description type status priority milestone component version resolution keywords cc 2227 Visvalingam line generalization function strk nicklas "See http://www2.dcs.hull.ac.uk/CISRG/publications/DPs/DP10/DP10.html The algorithm is known allowing ""tagging"" vertices with their importance and thus allowing run-time simplification by only looking at the tags. For this reason I envision a tag-only function and a trim-by-tag one. Both would be useful. See also http://bost.ocks.org/mike/simplify/" enhancement closed blocker PostGIS 2.2.0 postgis master fixed