id summary reporter owner description type status milestone component version severity resolution keywords cc 9871 remove_spikes does not remove spike Volker Schöch Barend Gehrels "The following call... {{{ boost::geometry::remove_spikes( ""MULTIPOLYGON(((4287 2160,5984 2160)))"" ) }}} ...does not modify the input at all. Given that my polygons are oriented counter-clockwise, '''open''' and based on int, this is a valid multi-polygon that consists of only a spike, which should be removed. Please refer to discussion at [http://lists.boost.org/geometry/2014/04/2858.php]" Bugs reopened Boost 1.56.0 geometry Boost 1.66.0 Problem open, polygon, multi-polygon, spike Barend Gehrels