fix invalid geometries in ST_AsMVTGeom

Jesperpaulsen · Maxxen · commit a78bfe420eb5 · 2025-10-31T10:50:19.000+01:00
Changes GEOS_PREC_NO_TOPO to GEOS_PREC_VALID_OUTPUT in get_gridded() to ensure topological validity during grid snapping operations.
diff --git a/src/spatial/modules/geos/geos_geometry.hpp b/src/spatial/modules/geos/geos_geometry.hpp
@@ -369,7 +369,7 @@ inline GeosGeometry GeosGeometry::get_transformed(const double matrix[6]) const
 }
 
 inline GeosGeometry GeosGeometry::get_gridded(double grid_size) const {
-	return GeosGeometry(handle, GEOSGeom_setPrecision_r(handle, geom, grid_size, GEOS_PREC_NO_TOPO));
+	return GeosGeometry(handle, GEOSGeom_setPrecision_r(handle, geom, grid_size, GEOS_PREC_VALID_OUTPUT));
 }
 
 inline GeosGeometry GeosGeometry::get_maximum_inscribed_circle() const {

Original file line number	Diff line number	Diff line change
`@@ -369,7 +369,7 @@ inline GeosGeometry GeosGeometry::get_transformed(const double matrix[6]) const`
`369`	`369`	`}`
`370`	`370`
`371`	`371`	`inline GeosGeometry GeosGeometry::get_gridded(double grid_size) const {`
`372`		`- return GeosGeometry(handle, GEOSGeom_setPrecision_r(handle, geom, grid_size, GEOS_PREC_NO_TOPO));`
	`372`	`+ return GeosGeometry(handle, GEOSGeom_setPrecision_r(handle, geom, grid_size, GEOS_PREC_VALID_OUTPUT));`
`373`	`373`	`}`
`374`	`374`
`375`	`375`	`inline GeosGeometry GeosGeometry::get_maximum_inscribed_circle() const {`