11 - Delaunay Triangulation API (#487, #565, #570, #567)
12 - Interruptibility API (C and C++)
13 - CAPI: GEOSNode (#496) - PHP: Geometry->node
14 - GeometryPrecisionReducer class (#496, #526)
15 - BufferInputLineSimplifier header exposed (#548)
16 - New Centroid class supporting mixed geometry components (#612)
17 - io::Writer::reserve() method
18 - CAPI: GEOSNearestPoints
19 - Add --cclibs, --static-clibs and --static-cclibs to geos-config (#497)
20 - Early bail out of overlay exception if input is invalid
23 - New noding::GeometryNoder class
24 - Added BufferOp::setSingleSided
25 - Signature of most functions taking a Label changed to take it
26 by reference rather than pointer.
27 - Signature of most functions taking an IntersectionMatrix changed
28 to take it by reference rather than pointer.
29 - GraphComponent::label is now a Label value (from a pointer)
30 - NodedSegmentString takes ownership of CoordinateSenuence now
31 - io::Writer's toString() returns by const ref, write() takes a const ref
32 - Unify prototypes of WKTReader and WKBReader constructor (#310)
33 - GeometryCollection::computeEnvelopInternal and
34 GeometryCollection::compareToSameClass are marked virtual (#478)
36 - Bug fixes / improvements
37 - A point interpolated from a line does not always intersect
39 - Port ConvexHull robustness fix from JTS-1.13 (#457)
40 - Improve Overlay robustness by reducing input precision on topology
41 exception and by refusing to accept unnoded output (#459)
42 - Improve Buffer robustness by reducing input precision on topology
44 - Mismatch segment sides in OffsetCurveBuilder (#633 )
45 - Fixed Linear Referencing API to handle MultiLineStrings consistently
46 by always using the lowest possible index value, and by trimming
47 zero-length components from results (#323)
48 - Fixed CMake configuration to set correct SOVERSION (current - age)
49 - Fix EMPTY return from single-point lines and zero-length polygons (#612)
50 - CMakeLists.txt, tools/geos_svn_revision_cmake.h.in: Add
51 geos_svn_revision.h generator to CMake config (#643)
52 - Makefile.vc 'clean' step leaks obj files (#607)
57 - Bug fixes / improvements
58 - IsValidOp: throw proper error on nested shells (#608)
59 - Fix header guards (#617, #618, #619)
60 - WKTWriter::appendCoordinate optimisation
61 - Fix centroid computation for collections with empty components (#582)
66 - Bug fixes / improvements
67 - Fix abort in RightmostEdgeFinder (#605)
68 - Do not force precision reduction below 6 significant digits
69 while trying to obtain a valid Buffer output (#605)
70 - Fix GEOSPointOnSurface with zero-length linestring (#609)
71 - Fix EMPTY return from zero-area polygon (#613)
72 - Segfault from symdifference (#615)
75 2012-11-15 -- that's Post-GIS day !
77 - Bug fixes / improvements
78 - Add support for testing with phpunit 3.6 (not loosing support for 3.4)
79 - Segfault from intersection (#586, #598, #599)
84 - Bug fixes / improvements
85 - Correctly increment CAPI lib version from 3.3.3 (#558)
86 - Port robustness fix to CentroidArea (#559)
87 - Always return POINT from GEOSGetCentroid, even for EMPTY (#560)
88 - Always return POINT from GEOSPointOnSurface, even for EMPTY (#561)
93 - Bug fixes / improvements
94 - Do not abort on NaN overlay input (#530)
95 - Reduce CommonBitsRemover harmful effects during overlay op (#527)
96 - Better cross-compiler support (#534)
97 - Enable overlay ops short-circuits (#542)
98 - Envelope-based short-circuit for symDifference (#543)
99 - Fix support for PHP 5.4 (#513)
100 - Fix TopologyPreservingSimplifier invalid output on closed line (#508)
101 - Reduce calls to ptNotInList, greatly speeding up Polygonizer (#545)
106 - Bug fixes / improvements
107 - Fix simplification of collections with empty items (#519)
108 - Fix MSVC compilation of ambiguous log() call (#506)
109 - Fix CMake issues with std:: namespace detection (#493)
114 - Bug fixes / improvements
115 - Fix CMAKE_CXX_FLAGS overriding -std=gnu++0x (#489)
116 - Missing versions update in CMake configuration (#490)
117 - Fix noding of self-intersecting lines through UnaryUnion (#482)
118 - Fix handling of collapsed edges skipping in BufferOp (#494)
119 - Print up to 18 digits of precision for TopologyException points
120 - Fix noding with reduced precision in Buffer operation (#473)
121 - Fix HotPixel original point invalidation (#498)
122 - Fix CascadedPolygonUnion to discard non-polygonal components (#499)
123 - Improve buffer robustness by reverting to non-snaprounding noder (#495)
124 - Fix C++11 build by avoiding std::pair<auto_ptr> (#491)
125 - Add --clibs to geos-config and GEOS_C_LIBS to geos.m4 (#497)
126 - Apply shoelace formula for area calculation (#485)
127 - Fix default initialization issue for clang (#500)
128 - Improve overlay robustness by fixing areal validity on snapping (#488)
133 - Bug fixes / improvements
134 - Fix memory leak on invalid geometry in InteriorPointArea (#475)
135 - ValidOp abort in presence of 2 touching holes forming an island (#449)
136 - Enable prepared intersects operation for points
137 - Fortify suspicious code found by static analisys tools
138 - Fix for SOLARIS build (#461)
139 - Fix EMPTY result from GEOSOffsetCurve with distance 0 (#454)
140 - Fix Geometry::clone to copy SRID (#464)
141 - Fix for clang builds (#463)
142 - Fix out-of-place builds for python binding (#332) and regress testing
143 - Fix OS X framework cmake build (#385)
149 - CAPI: GEOSBufferWithParams (allows single sided buffers)
150 - CAPI: GEOSOffsetCurve deprecates GEOSSingleSidedBuffer
151 - CAPI: GEOSUnaryUnion deprecates GEOSCascadedUnion
152 - CAPI: GEOSisValidDetail: tell state, reason & location apart. allows
154 - CAPI: GEOSContext_setNoticeHandler_r, GEOSContext_setErrorHandler_r
155 - CAPI: GEOSGeom_createEmptyPoint, GEOSGeom_createEmptyLineString
156 GEOSGeom_createEmptyPolygon, GEOSGeom_createEmptyCollection
157 - CAPI: GEOSGeom_extractUniquePoints
158 - CAPI: GEOSGetGeometryN support for single geometries
159 - CAPI: GEOSPolygonize_full to return all informations computed by
161 - CAPI: GEOSOrientationIndex
162 - CAPI: GEOSSharedPaths to find shared paths and their orientation
164 - CAPI: GEOSRelatePatternMatch
165 - CAPI: GEOSCovers, GEOSCoveredBy (#396)
166 - CAPI: GEOSRelateBoundaryNodeRule (#399)
167 - CAPI: GEOSGeom_getCoordinateDimension() (#311)
168 - CAPI: GEOSWKTWriter_setOutputDimension, GEOSWKTWriter_setOld3D (#292)
169 - PHP: new PHP5 bindings based on CAPI
170 - Semantic C++ API changes:
171 - Geometry inheritance chain changed to introduce Puntal, Lineal
172 and Polygonal classes (virtual inheritance introduced)
173 - Polygonizer::getInvalidRingLines retains ownership of vector elements
174 - Geometry::isWithinDistance method is now const
175 - Polygonizer::getCutEdges returns by const ref
176 - Polygonizer::getDangles returns by const ref
177 - Empty LinearRings are closed by definition
178 - Bug fixes / improvements
179 - Fixed Geometry.distance() and DistanceOp to return 0.0 for empty inputs
180 - Invalid compound geometries reported as valid (#333)
181 - Return up to 15 digits of precision from GEOSisValidReason_t (#329)
182 - CAPI: do not leak contexts when using the non-reentrant interface
183 - Fix duplicated dangles returned by Polygonizer
184 - Fix SnapIfNeededOverlayOp to throw the originating exception
185 - Fixed LineMerger to skip lines with only a single unique coordinate
186 - Fix NodedSegmentString to handle zero-length line segments correctly
188 - Fixed buffer OffsetCurveSetBuilder to handle "flat" rings correctly
189 - Added illegal state check in LineSegment::pointAlongOffset()
190 - Improved performance of RectangleIntersects by always using
191 segment-scanning and refining SegmentIntersectionTester
192 - Reduce memory use in PreparedGeometry predicates (#342)
193 - Fix infinite loop in RobustDeterminant with nan/inf input (#357)
198 - Add Single-sided buffer operation
200 - Drastically improved Buffer speed (20x for a case in testsuite)
201 - Improved EdgeList duplicate edge finding
202 - Added algorithm::distance package
203 - Added algorithm::Angle class
204 - Added algorithm::BoundaryNodeRule class
205 - IsSimpleOp can now return non-simple location coordinate
206 - DistanceOp can now check for 'within distance' predicate
208 - MultiPolygon::getBoundary always return MultiLineString, also
209 when the result is the EMPTY geometry.
210 - Various bug and leak fixes, optimizations
211 - Replace MarkupSTL with tinyXML
215 - PreparedGeometry operations for very fast predicate testing.
220 - Easier builds under MSVC and OpenSolaris
221 - Thread-safe CAPI option
222 - IsValidReason added to CAPI
223 - GEOSPolygonizer_getCutEdges added to CAPI
224 - CascadedUnion operation for fast unions of geometry sets
225 - Numerous bug fixes.
226 http://trac.osgeo.org/geos/query?status=closed&milestone=3.1.0&order=priority
230 These are mostly ABI breaking changes.
231 In few cases the API also changed, but the most external one
232 (the documented one) should be unchanged.
235 - Added geom::BinaryOp class performing a binary operation
236 using different heuristics to reduce probability of robustness
237 issues. Both C-API and XMLTester now use this class for
239 - Added covers() and coveredBy() predicates to Geometry class
240 - Added overlay::overlayOp() adapter class
241 - Added GEOSSimplify() and GEOSTopologyPreserveSimplify()
243 - Added closed ring checks in IsValidOp
244 - Multi-input support in XMLTester
246 - Envelope(string) ctor
248 - New ShortCircuitedGeometryVisitor class
249 - New operation/predicate package
250 - Added CGAlgorithms::isPointInRing() version working with
251 Coordinate::ConstVect type (faster!)
252 - Added getAt(int pos, Coordinate &to) funtion to CoordinateSequence
254 - Moved GetNumGeometries() and GetGeometryN() interfaces
255 from GeometryCollection to Geometry class.
256 - New planarSubgraph class
257 - New ConnectedSubgraphFinder class.
258 - New LineSequencer class
259 - New WKTWriter::toLineString and ::toPoint convenience methods
260 - New IsValidOp::setSelfTouchingRingFormingHoleValid method
261 - New WKTWriter::toLineString and ::toPoint convenience methods
262 - New IsValidOp::setSelfTouchingRingFormingHoleValid method
263 - New Envelope::centre()
264 - New Envelope::intersection(Envelope)
265 - New Envelope::expandBy(distance, [ydistance])
266 - New LineString::reverse()
267 - New MultiLineString::reverse()
268 - New Geometry::buffer(distance, quadSeg, endCapStyle)
269 - New SnapRounding code
270 - New size() and operator[] interfaces to CoordinateSequence
271 - New ScaledNoder class
272 - New unit tests (make check rule)
277 - Coordinate copies reduction
278 - Heap allocations reduction
279 - More classes made final
280 - Better use of standard containers
281 - Use of singletons when appropriate
282 - Removed many function calls in loops' end conditions
283 - Improved XMLTester output and user interface
284 - Improved memory use in geos::geom::util::PolygonExtractor
285 - Ported JTS-1.7 version of ConvexHull with big attention to
286 memory usage optimizations.
287 - Changed CoordinateArrayFilter to reduce memory copies
288 - Changed UniqueCoordinateArrayFilter to reduce memory copies
289 - Added rectangle-based optimizations of intersects() and
291 - Inlined all planarGraphComponent class
292 - More iterators returning methods and inlining in planargraph.
293 - Obsoleted toInternalGeometry/fromInternalGeometry
294 - Improved buffering speed and robustness by using Snap Rounding
298 - SegmentString: getCoordinates() doesn't return a clone
299 anymore, getCoordinatesRO() obsoleted.
300 - JTS packages mapped to geos:: sub-namespaces
301 - Geometry::getInteriorPoint() returns NULL if called
302 against an EMPTY geom
303 - LineString::get{Start,End}Point return NULL for
305 - GEOSException is now derived by std::runtim_exception
306 and thrown by const reference.
307 - Geometry constructors made protected, to force use
308 of a GeometryFactory.
311 - More const-correct signatures
312 - Stronger methods typing (removed some void * args).
313 - Changed index-related funx signatures to use size_t
315 - More const-correctness in Buffer "package"
316 - Bugfix in LineString::getCoordinate() failing to return
317 NULL from getCoordinat() when empty.
318 - Use unsigned int for indexes and sizes.
321 - Namespaces mapping JTS packages
322 - Renamed classes after JTS names (namespaces use made this possible
324 - Splitted headers, for build speedup and possible API reduction.
325 - Moved source/bigtest and source/test to tests/bigtest
327 - Moved C-API in it's own top-level dir capi/
328 - Reworked automake scripts to produce a static lib for each subdir
329 and then link all subsystem's libs togheter
330 - Renamed DefaultCoordinateSequence to CoordinateArraySequence.
331 - Renamed OverlayOp opcodes by prepending the 'op' prefix, and
332 given the enum a name (OpCode) for type-safety.
335 - Fixed bug causing redundant linestrings to be returned in the
336 result of overlaying polygons containing touching holes (#13)
337 - Fixed integer conversion bug
338 - Fixed PointLocator handling of LinearRings
339 - Added missing ::clone() methods for Multi* geoms
341 - (Partial) Detailed list of changes:
342 - Changed SegmentNode to contain a *real* Coordinate (not a pointer)
343 to reduce construction costs.
344 - Changed geomgraph nodeMap to use Coordinate pointers as keys
345 - Envelope destructor made non-virtual to give compiler more static
347 - Changed BufferSubgraph::computeDepths to use a set instead of a
348 vector for checking visited Edges.
349 - Made LineIntersector a concrete type
350 - Node::isIncidentEdgeInResult() method made virtual
351 - Const-correct signatures in LineMerger package
352 - Changed operation/valid/*NestedRingTester classes interface
353 to use Coordinate pointers instead of copies.
354 - Changed EdgeIntersectionList to use a set instead of a vector
355 - Changed DepthSegment to store a real Coordinate rather then a pointer.
356 - Changed SubgraphDepthLocater to store real containers rather then
358 - Changed BufferSubgraph to store a real RightmostEdgeFinder and real
359 containers rather then pointers.
360 - CoordinateSequence API changes:
361 - point index and size related functions
362 use unsigned int rather then int
363 - Changed EdgeEndStar to maintain a single container for EdgeEnds
364 - Changed PlanarGraph::addEdges to take a const vector by ref
365 rathern then a non-const vector by pointer
366 - Changed EdgeList::addAll to take a const vector by ref
367 rather then a non-const vector by pointer
368 - Added apply_rw(CoordinateFilter *) and apply_ro(CoordinateFilter *)
369 const to CoordinateSequence
370 - LineBuilder::lineEdgesList made a real vector, rather then pointer
372 - SegmentString::eiList made a real SegmentNodeList, rather then
373 a pointer (private member)
374 - Removed coordinate copies in ElevationMatrix::elevate
375 - Changed CoordinateFilter interface to have a const method
376 for filter_rw, updated interfaces using this to take
377 const CoordinateFilter (apply_rw).
382 - Added version.in.vc to distribution
386 - Support for MingW builds
387 - Bugfix in Polygonizer chocking on invalid LineString inputs
388 - CAPI: small leak removed in GEOSHasZ()
392 - Performance improvement in OverlayOp::insertUniqueEdge()
393 - CoordinateSequence copy removal in EdgeRing
394 - Minor memory allocation improvements
395 - Higher dimensions interface for CoordinateSequence
396 - Added getCoordinatesRO for Point class
398 - NEW Simplified and stabler C API
402 - Severe BUGFIX in BufferSubgraphGT and other functions used
403 as StrictWeakOrdering predicates for sort()
407 - win32/mingw build support
408 - Segfault fix in LinearRing and LineString constructors
409 - Segfault fix in Polygonizer
410 - XMLTester installed by default
411 - XMLTester code cleanup
412 - Fixed handling of collection input in GeometryFactory::buildGeometry
413 - Added shortcircuit test for Union operation
414 - Reduced useless Coordinate copies in CGAlgorithms::isPointInRing()
415 - Performance improvements in CGAlgorithms::isOnLine()
416 - Other minor performance improvements
417 - New Node::isIncidentEdgeInResult() method
418 - OverlayOp's PointBuilder performance improvement by reduction
419 of LineIntersector calls.
420 - Optimizations in Buffer operation
421 - Sever BUGFIX in DepthSegmentLT as suggested by Graeme Hiebert
425 - Segfault fix in Point::isEmpty
426 - Mem Leak fix in OffsetCurveBuilder::getRingCurve
427 - Bugfix in LineSegment::reverse
428 - Added multipolygon buffering test in source/test/testLeaksBig
429 - Ported JTS robustness patch for RobustLineIntersector
430 - Removed useless Coordinate copies in OverlayOp::mergeZ()
431 - Avoided throws by IsValid on invalid input
432 - Stricter C++ syntax (math.h=>cmath, ieeefp.h in "C" block, ostringstream
434 - Better support for older compilers (Polygonizer::LineStringAdder friendship)
435 - Removed useless Coordinate copies in CGAlgorithms::isOnLine()
436 - Added support for polygonize and parametrized buffer tests in XMLTester
437 - Fixed support for --includedir and --libdir
438 - Fixed Z interpolation in LineIntersector
439 - Handled NULL results from getCentroid() in XMLTester
440 - Segfault fix in (EMPTY)Geometry::getCentroid()
441 - Made polygon::getBoundary() always OGC-valid (no LinearRings)
442 - Input checking and promoting in GeometryFactory::createMultiLineString()
443 - Segfault fix in GeometryEditor::editPolygon()
448 - Fixed uninitialized Coordinate in TopologyException
449 - Added install of version.h, platform.h and timeval.h
450 - Memleak fix in PolygonizeGraph
451 - Memleak fix in OverlayOp
452 - Compiler warnings removal
454 - Z interpolation in overlay operations
455 - Debian package build scripts
460 - Added Polygonizer and LineMerger classes.
461 - python wrapper examples
462 - General cleanup / warnings removal
463 - cleaner win32 / older copilers builds
464 - Reduced heap allocations
465 - debian package builder scripts
466 - reduction of standard C lib headers dependency
467 - Z support in overlay operations.
472 - CoordinateList renamed to CoordinateSequence, BasicCoordinateList
473 renamed to DefaultCoordinateSequence to reflect JTS changes.
474 DefaultCoordinateSequenceFactory and CoordinateSequenceFactory
475 got same interface as JTS.
476 - Added geos/version.h defining versioning infos
477 - Added geos.h for quick inclusion. It will include geos/geom.h,
478 new geos/version.h, geos/util.h geos/io.h and geos/unload.h
479 (geometry input/output, exceptions, operations).
480 - Added a geos::version() function showing GEOS and equivalent
481 JTS versions as strings.
482 - All geometry constructors take ownership of given arguments.
483 GeometryFactory provides pass-by-reference geometry creators
484 to take care of a deep-copy.
485 - GeometryFactory::createMultiPoint(const CoordinateList *)
487 GeometryFactory::createMultiPoint(const CoordinateList &)
488 to reflect copy semantic
489 - GeometryFactory: EMPTY geometry creation do now have their
490 own constructors taking no arguments.
491 - Geometry constructors taking PrecisionModel and SRID have
492 been dropped. You have to use GeometryFactory instead.
493 - WKTWriter default constructor has been dropped. You need
494 to initialize it with an explicit GeometryFactory