[geos-commits] [SCM] GEOS branch 3.15 updated. ba13c5a0329ee8b0edd5d2562286f220e55866fe

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- Log -----------------------------------------------------------------
commit ba13c5a0329ee8b0edd5d2562286f220e55866fe
Author: Daniel Baston <dbaston at gmail.com>
Date:   Thu Sep 10 11:37:20 2026 -0400

    GeometrySplitter: handle MultiSurface inputs (#1527)

diff --git a/NEWS.md b/NEWS.md
index 831d214db..7ba8f81b8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -3,6 +3,7 @@
 
 - Fixes/Improvements:
   - Fix arc noding failure with endpoint intersections (GH-1513, Dan Baston)
+  - Make GeometrySplitter able to split MultiSurface inputs (GH-1518, Dan Baston)
 
 ## Changes in 3.15.0
 2026-09-01
diff --git a/src/operation/split/GeometrySplitter.cpp b/src/operation/split/GeometrySplitter.cpp
index b669b14ea..5319acd91 100644
--- a/src/operation/split/GeometrySplitter.cpp
+++ b/src/operation/split/GeometrySplitter.cpp
@@ -14,6 +14,7 @@
 
 #include <geos/operation/split/GeometrySplitter.h>
 
+#include <geos/algorithm/locate/SimplePointInAreaLocator.h>
 #include <geos/geom/CircularString.h>
 #include <geos/geom/CompoundCurve.h>
 #include <geos/geom/CoordinateSequence.h>
@@ -363,7 +364,7 @@ GeometrySplitter::splitPolygonalWithEdge(const Geometry &geom, const Geometry &e
         for (auto& surface : surfaces)
         {
             const auto testPoint = getInteriorPoint(*surface);
-            if (geom.intersects(testPoint.get())) {
+            if (algorithm::locate::SimplePointInAreaLocator::isContained(*testPoint->getCoordinate(), &geom)) {
                 keep.push_back(std::move(surface));
             }
         }
diff --git a/tests/unit/operation/split/GeometrySplitterTest.cpp b/tests/unit/operation/split/GeometrySplitterTest.cpp
index d4700ec47..478c053ec 100644
--- a/tests/unit/operation/split/GeometrySplitterTest.cpp
+++ b/tests/unit/operation/split/GeometrySplitterTest.cpp
@@ -912,4 +912,15 @@ void object::test<75>()
         "GEOMETRYCOLLECTION (CURVEPOLYGON (COMPOUNDCURVE ((5 0, 0 0, 5 5), CIRCULARSTRING (5 5, 7 1, 5 0))), POLYGON ((0 0, 0 5, 5 5, 0 0)))");
 }
 
+template<>
+template<>
+void object::test<77>()
+{
+    set_test_name("split MultiSurface with LineString");
+
+    testSplit("MULTISURFACE(CURVEPOLYGON (COMPOUNDCURVE((5 0, 0 0, 0 5, 5 5), CIRCULARSTRING(5 5, 7 1, 5 0))))",
+        "LINESTRING(3 6, 3 -1)",
+        "GEOMETRYCOLLECTION (CURVEPOLYGON (COMPOUNDCURVE ((5 0, 3 0, 3 5, 5 5), CIRCULARSTRING (5 5, 7 1, 5 0))), POLYGON ((3 0, 0 0, 0 5, 3 5, 3 0)))");
+}
+
 }

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

Summary of changes:
 NEWS.md                                             |  1 +
 src/operation/split/GeometrySplitter.cpp            |  3 ++-
 tests/unit/operation/split/GeometrySplitterTest.cpp | 11 +++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)


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