[geos-commits] [SCM] GEOS branch master updated. 34d4b086b74078daa415242ef2534967e1aa1cd2

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- Log -----------------------------------------------------------------
commit 34d4b086b74078daa415242ef2534967e1aa1cd2
Author: Martin Davis <mtnclimb at gmail.com>
Date:   Tue Jan 12 20:19:48 2021 -0800

    Add geosop lineMerge operation

diff --git a/util/geosop/GeomFunction.cpp b/util/geosop/GeomFunction.cpp
index c818711..ccd1b75 100644
--- a/util/geosop/GeomFunction.cpp
+++ b/util/geosop/GeomFunction.cpp
@@ -25,6 +25,7 @@
 #include <geos/geom/prep/PreparedGeometryFactory.h>
 #include <geos/algorithm/construct/MaximumInscribedCircle.h>
 #include <geos/algorithm/MinimumBoundingCircle.h>
+#include <geos/operation/linemerge/LineMerger.h>
 #include <geos/operation/distance/DistanceOp.h>
 #include <geos/operation/relate/RelateOp.h>
 #include <geos/operation/valid/MakeValid.h>
@@ -152,6 +153,20 @@ GeomFunction::init()
             return new Result( std::move(res) );
         });
 
+    add("lineMerge", "merges the lines of geometry A", 1, 0,
+        [](const std::unique_ptr<Geometry>& geom, const std::unique_ptr<Geometry>& geomB, double d)->Result* {
+            geos::operation::linemerge::LineMerger lmrgr;
+            lmrgr.add(geom.get());
+
+            std::vector<std::unique_ptr<LineString>> lines = lmrgr.getMergedLineStrings();
+
+            std::vector<std::unique_ptr<const Geometry>> geoms;
+            for(unsigned int i = 0; i < lines.size(); i++) {
+                geoms.push_back( std::move(lines[i]) );
+            }
+            return new Result( std::move(geoms) ) ;
+        });
+
     add("delaunay", "computes the Delaunay Triangulation of geometry A vertices", 1, 0,
         [](const std::unique_ptr<Geometry>& geom, const std::unique_ptr<Geometry>& geomB, double d)->Result* {
             geos::triangulate::DelaunayTriangulationBuilder builder;

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

Summary of changes:
 util/geosop/GeomFunction.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)


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