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JTS Release 1.20.0

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@jodygarnett jodygarnett released this 30 Aug 06:56
· 163 commits to master since this release
1.20.0
6e95fe8

Release Date: 09/04/2024

Developer updates:

Eclipse: LocationTech JTS Topology Suite 1.20.0 and release review / #794

New Features

  • Add CoverageValidator CoveragePolygonValidator (#900)
  • Add CoverageGapFinder (#900)
  • Add CoverageUnion (#900)
  • Add CoverageSimplifier (#911)
  • Add OverlayNG support for simple GeometryCollection inputs (#915)
  • Add Geometry.hasDimension(int dim) method {#944}
  • Add ConcaveHull.alphaShape function (#952)
  • Add OffsetCurve Joined mode (#956)
  • Add PointLocation.isOnSegment function (#1048)
  • Add RelateNG API for improved topological relationship functionality and performance (#1052, #1055)
  • Add system property jts.relate=ng to enable use of RelateNG in Geometry methods (#1073)

Functionality Improvements

  • Improve TopologyPreservingSimplifier to prevent edge-disjoint line collapse (#925)
  • Improve OffsetCurve to return more linework for some input situations (#956)
  • Reduce buffer curve short fillet segments (#960)
  • Added ability to specify boundary for LargestEmptyCircle (#973)
  • Improve DouglaPeuckerSimplifier and TopologyPreservingSimplifier to handle ring endpoints (#1013)
  • Add Angle functions sinSnap and cosSnap to avoid small errors, e.g. with buffer operations (#1016)
  • Improve Buffer input simplification for rings (#1022)
  • Improve CoverageSimplifier with ring removal, smoothing, inner/outer and per-feature tolerances (#1060)

Bug Fixes

  • Fix WKBReader and WKBWriter handling of M measures when writing to WKB and reading from WKB (#734)
  • Fix PreparedGeometry handling of EMPTY elements (#904)
  • Fix WKBReader parsing of WKB containing multiple empty elements (#905)
  • Fix LineSegment.orientationIndex(LineSegment) to correct orientation for non-collinear segments on right (#914)
  • Fix DepthSegment compareTo method (#920)
  • Ensure GeometryFixer does not change coordinate dimension (#922)
  • Improve ConvexHull radial sort robustness (#927)
  • Improve robustness of Delaunay Triangulation frame size heuristic (#931)
  • Fix PreparedLineString.intersects to handle mixed GCs correctly (#944)
  • Fix QuadEdgeSubdivision.TriangleEdgesListVisitor (#945)
  • Fix PolygonHoleJoiner to handle all valid inputs
    (allows PolygonTriangulator, ConstrainedDelaunayTriangulator, and ConcaveHullOfPolygons to work correctly) (#946)
  • Fix OffsetCurve handling of input with repeated points (#956)
  • Fix OffsetCurve handling zero offset distance (#971)
  • Fix MaximumInscribedCircle and LargestEmptyCircle to avoid long looping for thin inputs (#978)
  • Fix OffsetCurve to use a minimum QuadrantSegs value (#981)
  • Fix HilbertEncoder Y extent handling
  • Fix Geometry.getCoordinate to return non-null coordinate for collections with empty first element (#987)
  • Fix LargestEmptyCircle to handle polygonal obstacles (#988)
  • Make intersection computation more robust (#989)
  • Fix VariableBuffer to handle zero vertex buffer distances correctly (#997)
  • Fix IncrementalDelaunayTriangulator to ensure triangulation boundary is convex (#1004)
  • Fix OverlayNG Area Check heuristic for difference (#1005)
  • Fix InteriorPointPoint to handle empty elements
  • Fix DistanceOp for empty elements (#1010)
  • Fix predicates for MultiPoint with EMPTY (#1015)
  • Fix InteriorPoint for MultiLineString with EMPTY (#1023)
  • Fix TopologyPreservingSimplifier to prevent incorrect topology from jumping components (#1024)
  • Fix OffsetCurve to ensure end segments are included (#1029)
  • Fix PointLocator to respect BoundaryNodeRule for single lines (#1031)
  • Fix BufferOp Inverted Ring Removal check (#1038)
  • Improve VariableBuffer segment buffer cap generation (#1041)
  • Fix TopologyPreservingSimplifier ring endpoint removal indexing (#1059)

Performance Improvements

  • Improve Polygonizer performance in some cases with many islands (#906)
  • Improve Convex Hull performance by avoiding duplicate uniquing (#985)
  • Improve HPRtree performance (#1012)
  • Improve performance of noding and overlay via HPRtree (#1012)
  • Improve DistanceOp performance for Point-Point (#1049)
  • Improve CoveragePolygonValidator via section performance optimization (#1053)
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