3 - Add Single-sided buffer operation
5 - Drastically improved Buffer speed
6 - Improved EdgeList duplicate edge finding
7 - Added algorithm::distance package
8 - Added algorithm::Angle class
9 - Added algorithm::BoundaryNodeRule class
10 - IsSimpleOp can now return non-simple location coordinate
11 - DistanceOp can now check for 'within distance' predicate
13 - MultiPolygon::getBoundary always return MultiLineString, also
14 when the result is the EMPTY geometry.
18 - PreparedGeometry operations for very fast predicate testing.
23 - Easier builds under MSVC and OpenSolaris
24 - Thread-safe CAPI option
25 - IsValidReason added to CAPI
26 - CascadedUnion operation for fast unions of geometry sets
28 http://trac.osgeo.org/geos/query?status=closed&milestone=3.1.0&order=priority
32 These are mostly ABI breaking changes.
33 In few cases the API also changed, but the most external one
34 (the documented one) should be unchanged.
37 - Added geom::BinaryOp class performing a binary operation
38 using different heuristics to reduce probability of robustness
39 issues. Both C-API and XMLTester now use this class for
41 - Added covers() and coveredBy() predicates to Geometry class
42 - Added overlay::overlayOp() adapter class
43 - Added GEOSSimplify() and GEOSTopologyPreserveSimplify()
45 - Added closed ring checks in IsValidOp
46 - Multi-input support in XMLTester
48 - Envelope(string) ctor
50 - New ShortCircuitedGeometryVisitor class
51 - New operation/predicate package
52 - Added CGAlgorithms::isPointInRing() version working with
53 Coordinate::ConstVect type (faster!)
54 - Added getAt(int pos, Coordinate &to) funtion to CoordinateSequence
56 - Moved GetNumGeometries() and GetGeometryN() interfaces
57 from GeometryCollection to Geometry class.
58 - New planarSubgraph class
59 - New ConnectedSubgraphFinder class.
60 - New LineSequencer class
61 - New WKTWriter::toLineString and ::toPoint convenience methods
62 - New IsValidOp::setSelfTouchingRingFormingHoleValid method
63 - New WKTWriter::toLineString and ::toPoint convenience methods
64 - New IsValidOp::setSelfTouchingRingFormingHoleValid method
65 - New Envelope::centre()
66 - New Envelope::intersection(Envelope)
67 - New Envelope::expandBy(distance, [ydistance])
68 - New LineString::reverse()
69 - New MultiLineString::reverse()
70 - New Geometry::buffer(distance, quadSeg, endCapStyle)
71 - New SnapRounding code
72 - New size() and operator[] interfaces to CoordinateSequence
73 - New ScaledNoder class
74 - New unit tests (make check rule)
79 - Coordinate copies reduction
80 - Heap allocations reduction
81 - More classes made final
82 - Better use of standard containers
83 - Use of singletons when appropriate
84 - Removed many function calls in loops' end conditions
85 - Improved XMLTester output and user interface
86 - Improved memory use in geos::geom::util::PolygonExtractor
87 - Ported JTS-1.7 version of ConvexHull with big attention to
88 memory usage optimizations.
89 - Changed CoordinateArrayFilter to reduce memory copies
90 - Changed UniqueCoordinateArrayFilter to reduce memory copies
91 - Added rectangle-based optimizations of intersects() and
93 - Inlined all planarGraphComponent class
94 - More iterators returning methods and inlining in planargraph.
95 - Obsoleted toInternalGeometry/fromInternalGeometry
96 - Improved buffering speed and robustness by using Snap Rounding
100 - SegmentString: getCoordinates() doesn't return a clone
101 anymore, getCoordinatesRO() obsoleted.
102 - JTS packages mapped to geos:: sub-namespaces
103 - Geometry::getInteriorPoint() returns NULL if called
104 against an EMPTY geom
105 - LineString::get{Start,End}Point return NULL for
107 - GEOSException is now derived by std::runtim_exception
108 and thrown by const reference.
109 - Geometry constructors made protected, to force use
110 of a GeometryFactory.
113 - More const-correct signatures
114 - Stronger methods typing (removed some void * args).
115 - Changed index-related funx signatures to use size_t
117 - More const-correctness in Buffer "package"
118 - Bugfix in LineString::getCoordinate() failing to return
119 NULL from getCoordinat() when empty.
120 - Use unsigned int for indexes and sizes.
123 - Namespaces mapping JTS packages
124 - Renamed classes after JTS names (namespaces use made this possible
126 - Splitted headers, for build speedup and possible API reduction.
127 - Moved source/bigtest and source/test to tests/bigtest
129 - Moved C-API in it's own top-level dir capi/
130 - Reworked automake scripts to produce a static lib for each subdir
131 and then link all subsystem's libs togheter
132 - Renamed DefaultCoordinateSequence to CoordinateArraySequence.
133 - Renamed OverlayOp opcodes by prepending the 'op' prefix, and
134 given the enum a name (OpCode) for type-safety.
137 - Fixed bug causing redundant linestrings to be returned in the
138 result of overlaying polygons containing touching holes (#13)
139 - Fixed integer conversion bug
140 - Fixed PointLocator handling of LinearRings
141 - Added missing ::clone() methods for Multi* geoms
143 - (Partial) Detailed list of changes:
144 - Changed SegmentNode to contain a *real* Coordinate (not a pointer)
145 to reduce construction costs.
146 - Changed geomgraph nodeMap to use Coordinate pointers as keys
147 - Envelope destructor made non-virtual to give compiler more static
149 - Changed BufferSubgraph::computeDepths to use a set instead of a
150 vector for checking visited Edges.
151 - Made LineIntersector a concrete type
152 - Node::isIncidentEdgeInResult() method made virtual
153 - Const-correct signatures in LineMerger package
154 - Changed operation/valid/*NestedRingTester classes interface
155 to use Coordinate pointers instead of copies.
156 - Changed EdgeIntersectionList to use a set instead of a vector
157 - Changed DepthSegment to store a real Coordinate rather then a pointer.
158 - Changed SubgraphDepthLocater to store real containers rather then
160 - Changed BufferSubgraph to store a real RightmostEdgeFinder and real
161 containers rather then pointers.
162 - CoordinateSequence API changes:
163 - point index and size related functions
164 use unsigned int rather then int
165 - Changed EdgeEndStar to maintain a single container for EdgeEnds
166 - Changed PlanarGraph::addEdges to take a const vector by ref
167 rathern then a non-const vector by pointer
168 - Changed EdgeList::addAll to take a const vector by ref
169 rather then a non-const vector by pointer
170 - Added apply_rw(CoordinateFilter *) and apply_ro(CoordinateFilter *)
171 const to CoordinateSequence
172 - LineBuilder::lineEdgesList made a real vector, rather then pointer
174 - SegmentString::eiList made a real SegmentNodeList, rather then
175 a pointer (private member)
176 - Removed coordinate copies in ElevationMatrix::elevate
177 - Changed CoordinateFilter interface to have a const method
178 for filter_rw, updated interfaces using this to take
179 const CoordinateFilter (apply_rw).
184 - Added version.in.vc to distribution
188 - Support for MingW builds
189 - Bugfix in Polygonizer chocking on invalid LineString inputs
190 - CAPI: small leak removed in GEOSHasZ()
194 - Performance improvement in OverlayOp::insertUniqueEdge()
195 - CoordinateSequence copy removal in EdgeRing
196 - Minor memory allocation improvements
197 - Higher dimensions interface for CoordinateSequence
198 - Added getCoordinatesRO for Point class
200 - NEW Simplified and stabler C API
204 - Severe BUGFIX in BufferSubgraphGT and other functions used
205 as StrictWeakOrdering predicates for sort()
209 - win32/mingw build support
210 - Segfault fix in LinearRing and LineString constructors
211 - Segfault fix in Polygonizer
212 - XMLTester installed by default
213 - XMLTester code cleanup
214 - Fixed handling of collection input in GeometryFactory::buildGeometry
215 - Added shortcircuit test for Union operation
216 - Reduced useless Coordinate copies in CGAlgorithms::isPointInRing()
217 - Performance improvements in CGAlgorithms::isOnLine()
218 - Other minor performance improvements
219 - New Node::isIncidentEdgeInResult() method
220 - OverlayOp's PointBuilder performance improvement by reduction
221 of LineIntersector calls.
222 - Optimizations in Buffer operation
223 - Sever BUGFIX in DepthSegmentLT as suggested by Graeme Hiebert
227 - Segfault fix in Point::isEmpty
228 - Mem Leak fix in OffsetCurveBuilder::getRingCurve
229 - Bugfix in LineSegment::reverse
230 - Added multipolygon buffering test in source/test/testLeaksBig
231 - Ported JTS robustness patch for RobustLineIntersector
232 - Removed useless Coordinate copies in OverlayOp::mergeZ()
233 - Avoided throws by IsValid on invalid input
234 - Stricter C++ syntax (math.h=>cmath, ieeefp.h in "C" block, ostringstream
236 - Better support for older compilers (Polygonizer::LineStringAdder friendship)
237 - Removed useless Coordinate copies in CGAlgorithms::isOnLine()
238 - Added support for polygonize and parametrized buffer tests in XMLTester
239 - Fixed support for --includedir and --libdir
240 - Fixed Z interpolation in LineIntersector
241 - Handled NULL results from getCentroid() in XMLTester
242 - Segfault fix in (EMPTY)Geometry::getCentroid()
243 - Made polygon::getBoundary() always OGC-valid (no LinearRings)
244 - Input checking and promoting in GeometryFactory::createMultiLineString()
245 - Segfault fix in GeometryEditor::editPolygon()
250 - Fixed uninitialized Coordinate in TopologyException
251 - Added install of version.h, platform.h and timeval.h
252 - Memleak fix in PolygonizeGraph
253 - Memleak fix in OverlayOp
254 - Compiler warnings removal
256 - Z interpolation in overlay operations
257 - Debian package build scripts
262 - Added Polygonizer and LineMerger classes.
263 - python wrapper examples
264 - General cleanup / warnings removal
265 - cleaner win32 / older copilers builds
266 - Reduced heap allocations
267 - debian package builder scripts
268 - reduction of standard C lib headers dependency
269 - Z support in overlay operations.
274 - CoordinateList renamed to CoordinateSequence, BasicCoordinateList
275 renamed to DefaultCoordinateSequence to reflect JTS changes.
276 DefaultCoordinateSequenceFactory and CoordinateSequenceFactory
277 got same interface as JTS.
278 - Added geos/version.h defining versioning infos
279 - Added geos.h for quick inclusion. It will include geos/geom.h,
280 new geos/version.h, geos/util.h geos/io.h and geos/unload.h
281 (geometry input/output, exceptions, operations).
282 - Added a geos::version() function showing GEOS and equivalent
283 JTS versions as strings.
284 - All geometry constructors take ownership of given arguments.
285 GeometryFactory provides pass-by-reference geometry creators
286 to take care of a deep-copy.
287 - GeometryFactory::createMultiPoint(const CoordinateList *)
289 GeometryFactory::createMultiPoint(const CoordinateList &)
290 to reflect copy semantic
291 - GeometryFactory: EMPTY geometry creation do now have their
292 own constructors taking no arguments.
293 - Geometry constructors taking PrecisionModel and SRID have
294 been dropped. You have to use GeometryFactory instead.
295 - WKTWriter default constructor has been dropped. You need
296 to initialize it with an explicit GeometryFactory