Fix CascadedPolygonUnion to discard non-polygonal components created during unioning
commit26e105f295b38355af6f11358e206e5b11548e76
authorstrk <strk@5242fede-7e19-0410-aef8-94bd7d2200fb>
Fri, 9 Dec 2011 08:46:21 +0000 (9 08:46 +0000)
committerstrk <strk@5242fede-7e19-0410-aef8-94bd7d2200fb>
Fri, 9 Dec 2011 08:46:21 +0000 (9 08:46 +0000)
tree109a05c4d3da5d999cb4c760e28fd9118c6a22fd
parenteba830994584abba282d19c16f16557693962569
Fix CascadedPolygonUnion to discard non-polygonal components created during unioning

This is to avoid failures and provide more desirable behaviour.
Includes automated testing. Closes ticket #499.

git-svn-id: http://svn.osgeo.org/geos/branches/3.3@3532 5242fede-7e19-0410-aef8-94bd7d2200fb
NEWS
include/geos/operation/union/CascadedPolygonUnion.h
src/operation/union/CascadedPolygonUnion.cpp
tests/xmltester/Makefile.am
tests/xmltester/tests/general/TestUnaryUnion.xml