Version 1.18.2

Release Date: 08/27/2021

API Changes

• Move IsSimpleOp to org.locationtech.jts.operation.valid package (#717)

Functionality Improvements

• Add GeometryFixer class (#704)
• Improve design and performance of IsSimpleOp (#717, #754)
• Improve design and perforance of IsValidOp (#743, #748, #755, #756, #757)
• Fix SortedPackedIntervalRtree to be thread-safe (fixes PreparedPolygon too) (#746)

Bug Fixes

• Fix InteriorPoint to handle partially-empty collections (#698)
• Fix MultiPoint.isValid to check validity correctly (#700)
• Fix WKTReader and WKTWriter handling of collections with all empty elements (#702)
• Fix HalfEdge.prev() method (#703)
• Fix BufferOp to remove invalid elements caused by inverted ring curves (#706)
• Fix IsSimpleOp duplicate lines bug (#716)
• Fix Angle.interiorAngle to produce interior angle correctly (#721)
• Fix IsValidOp to correctly report invalidity for certain kinds of LinearRings (#737)
• Fix GeometryPrecisionReducer to support the "keep collapsed components" semantics (#738)
• Fix VoronoiDiagramBuilder to respect user-provided clip envelope (#740)