[geos-commits] [SCM] GEOS branch main updated. 3bdeea5375b13c4f57da6e9e399b2c4e39540737

Thu Aug 21 10:18:30 PDT 2025

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- Log -----------------------------------------------------------------
commit 3bdeea5375b13c4f57da6e9e399b2c4e39540737
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Aug 21 10:18:09 2025 -0700

    Add news post on 3.14 release

diff --git a/web/content/posts/2025-08-21-geos-3-14-released.md b/web/content/posts/2025-08-21-geos-3-14-released.md
new file mode 100644
index 000000000..c00556caf
--- /dev/null
+++ b/web/content/posts/2025-08-21-geos-3-14-released.md
@@ -0,0 +1,75 @@
+---
+title: "Version 3.14.0"
+type: posts
+date: 2025-08-21T00:00:00
+---
+
+The 3.14 release of GEOS is now available [to download]({{< ref "/usage/download" >}}).
+
+The headline features of this release are:
+
+* Coverage cleaning for polygonal coverages.
+  * Remove small gaps and overlaps.
+  * Control the tolerance of gap removal.
+  * Choose between different gap removal heuristics.
+    * Longest-border, max area, min area
+* Clustering algorithms in the C API.
+  * Exposing previously C++ only implementations into the C API for wider usage.
+  * DBSCAN, Intersects, Envelope Intersects, and others
+* Grid cell overlay with polygon.
+  * Beyond the flood-fill, get actual proportions of each cell covered.
+
+This release includes the following new features in the C API (and of course underlying changes to the C++ code to support these features):
+
+  - GEOSCoordSeq_hasZ(coordseq) returns boolean
+  - GEOSCoordSeq_hasM(coordseq) returns boolean
+  - GEOSCoordSeq_setM(coordseq, index, value) sets the M ordinate on a point in a sequence
+  - GEOSCoordSeq_getM(coordseq, index) reads the M ordinate on a point in a sequence
+  - GEOSCoverageClean() and GEOSCoverageCleanWithParams(), with GEOSCoverageCleanParams for control over polygonal coverage cleaning
+  - GEOSGridIntersectionFractions() for grid cell overlay
+  - GEOSisSimpleDetail() to show where a linestring is not simple (self crossing points usually)
+  - GEOSClusterDBSCAN(), GEOSClusterGeometryDistance(), GEOSClusterGeometryIntersects(), GEOSClusterEnvelopeDistance(), GEOSClusterEnvelopeIntersects() as CAPI clustering functions
+  - GEOSGeoJSONWriter_setOutputDimension() for greater control of JSON output of 3 and 4 dimensional geometry.
+
+
+<!--more-->
+
+The full list of changes is as follows:
+
+- **New things:**
+  - Add clustering functions to C API ([GH-1154](https://github.com/libgeos/geos/issues/1154), Dan Baston)
+  - Ported LineDissolver (Paul Ramsey)
+  - Ported CoverageCleaner (Paul Ramsey)
+  - Add GEOSGridIntersectionFractions to C API ([GH-1295](https://github.com/libgeos/geos/issues/1295), Dan Baston)
+  - Add functions to interrupt processing in a specific thread/context ([GH-803](https://github.com/libgeos/geos/issues/803), Dan Baston)
+  - Add "geos-targets.cmake" to build tree to allow building other software against
+    GEOS build without installing first ([GH-1269](https://github.com/libgeos/geos/issues/1269), Dan Baston)
+  - Add GEOSCoordSeq_hasZ, GEOSCoordSeq_hasM ([GH-1256](https://github.com/libgeos/geos/issues/1256), Aurele Ferotin)
+  - Add GEOSCoordSeq_createWithDimensions, GEOSCoordSeq_setM, GEOSCoordSeq_getM ([GH-1246](https://github.com/libgeos/geos/issues/1246), Dan Baston)
+  - Add GEOSGeoJSONWriter_setOutputDimension ([GH-1260](https://github.com/libgeos/geos/issues/1260), Aurele Ferotin)
+  - Add GEOSGeom_transformXYZ ([GH-1157](https://github.com/libgeos/geos/issues/1157), Aurele Ferotin)
+  - Add GEOSisSimpleDetail ([GH-1296](https://github.com/libgeos/geos/issues/1296), Dan Baston)
+
+- **Breaking Changes:**
+  - C++17 is now required ([GH-1144](https://github.com/libgeos/geos/issues/1144))
+  - Stricter WKT parsing ([GH-1241](https://github.com/libgeos/geos/issues/1241), @freemine)
+  - GEOSCoordSeq_setOrdinate returns an error if the sequence does not have the specified ordinate ([GH-1245](https://github.com/libgeos/geos/issues/1245), Dan Baston)
+
+- **Fixes/Improvements:**
+  - Fix ConcaveHullOfPolygons nested shell handling ([GH-1169](https://github.com/libgeos/geos/issues/1169), Martin Davis)
+  - Fix RelateNG for computing IM for empty-nonempty cases (Martin Davis)
+  - Fix TopologyPreservingSimplifier/TaggedLineString to avoid jumping components (JTS-1096, Martin Davis)
+  - Fix WKTWriter for small precisions and with trim enabled ([GH-1199](https://github.com/libgeos/geos/issues/1199), Mike Taves)
+  - Fix BufferOp to increase length of segments removed by heuristic ([GH-1200](https://github.com/libgeos/geos/issues/1200), Martin Davis)
+  - Improve RelateNG performance for A/L cases in prepared predicates ([GH-1201](https://github.com/libgeos/geos/issues/1201), Martin Davis)
+  - Improve OffsetCurve to handle mitre joins for polygons (Martin Davis)
+  - Fix inscribed circle initialization ([GH-1225](https://github.com/libgeos/geos/issues/1225), Benoit Maurin)
+  - Fix overlay heuristic for GeometryCollections with empty elements ([GH-1229](https://github.com/libgeos/geos/issues/1229), Martin Davis)
+  - Add ring buffer hole removal heuristic ([GH-1233](https://github.com/libgeos/geos/issues/1233), Martin Davis)
+  - Fix buffer element erosion for negative distance and remove overlay deps ([GH-1239](https://github.com/libgeos/geos/issues/1239), Martin Davis)
+  - Fix OverlayNG coordinate dimension handling for EMPTY geometries ([GH-1258](https://github.com/libgeos/geos/issues/1258), Martin Davis)
+  - Fix DepthSegment comparison logic (really this time) ([GH-1266](https://github.com/libgeos/geos/issues/1266), Martin Davis)
+  - Change CoverageGapFinder to return polygons (Martin Davis)
+  - Update DiscreteFrechetDistance to new algorithm ([GH-1274](https://github.com/libgeos/geos/issues/1274), Paul Ramsey)
+
+

-----------------------------------------------------------------------

Summary of changes:
 web/content/posts/2025-08-21-geos-3-14-released.md | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 web/content/posts/2025-08-21-geos-3-14-released.md


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