feat(MeshHelpers): add PointSetMerger class.

include/geode/mesh/helpers/detail/point_set_merger.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019 - 2024 Geode-solutions
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#pragma once
+
+#include <absl/types/span.h>
+
+#include <geode/mesh/common.h>
+#include <geode/mesh/helpers/detail/vertex_merger.h>
+
+namespace geode
+{
+    FORWARD_DECLARATION_DIMENSION_CLASS( PointSet );
+} // namespace geode
+
+namespace geode
+{
+    namespace detail
+    {
+        template < index_t dimension >
+        class PointSetMerger : public VertexMerger< PointSet< dimension > >
+        {
+        public:
+            PointSetMerger( absl::Span< const std::reference_wrapper<
+                                const PointSet< dimension > > > pointsets,
+                double epsilon );
+            ~PointSetMerger();
+
+            std::unique_ptr< PointSet< dimension > > merge();
+        };
+        ALIAS_2D_AND_3D( PointSetMerger );
+    } // namespace detail
+} // namespace geode

src/geode/mesh/CMakeLists.txt

@@ -120,7 +120,8 @@ add_geode_library(
         "helpers/detail/curve_merger.cpp"
         "helpers/detail/split_along_solid_facets.cpp"
         "helpers/detail/debug.cpp"
-        "helpers/detail/element_identifier.cpp"
+        "helpers/detail/element_identifier.cpp"        
+        "helpers/detail/point_set_merger.cpp"
         "helpers/detail/solid_merger.cpp"
         "helpers/detail/surface_merger.cpp"
         "helpers/detail/vertex_merger.cpp"
@@ -306,6 +307,7 @@ add_geode_library(
         "helpers/detail/create_mesh.h"
         "helpers/detail/debug.h"
         "helpers/detail/element_identifier.h"
+        "helpers/detail/point_set_merger.h"
         "helpers/detail/solid_merger.h"
         "helpers/detail/surface_merger.h"
         "helpers/detail/vertex_merger.h"

src/geode/mesh/helpers/detail/point_set_merger.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2019 - 2024 Geode-solutions
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <geode/mesh/helpers/detail/point_set_merger.h>
+
+#include <geode/mesh/builder/point_set_builder.h>
+#include <geode/mesh/core/point_set.h>
+
+namespace geode
+{
+    namespace detail
+    {
+        template < index_t dimension >
+        PointSetMerger< dimension >::PointSetMerger(
+            absl::Span< const std::reference_wrapper<
+                const PointSet< dimension > > > pointsets,
+            double epsilon )
+            : VertexMerger< PointSet< dimension > >{ pointsets, epsilon }
+        {
+        }
+
+        template < index_t dimension >
+        PointSetMerger< dimension >::~PointSetMerger()
+        {
+        }
+
+        template < index_t dimension >
+        std::unique_ptr< PointSet< dimension > >
+            PointSetMerger< dimension >::merge()
+        {
+            this->create_points();
+            return this->steal_mesh();
+        }
+
+        template class opengeode_mesh_api PointSetMerger< 2 >;
+        template class opengeode_mesh_api PointSetMerger< 3 >;
+    } // namespace detail
+} // namespace geode

src/geode/mesh/helpers/detail/vertex_merger.cpp

@@ -29,10 +29,12 @@
 #include <geode/geometry/point.h>
 
 #include <geode/mesh/builder/edged_curve_builder.h>
+#include <geode/mesh/builder/point_set_builder.h>
 #include <geode/mesh/builder/solid_mesh_builder.h>
 #include <geode/mesh/builder/surface_mesh_builder.h>
 #include <geode/mesh/core/edged_curve.h>
 #include <geode/mesh/core/mesh_factory.h>
+#include <geode/mesh/core/point_set.h>
 #include <geode/mesh/core/solid_mesh.h>
 #include <geode/mesh/core/surface_mesh.h>
 #include <geode/mesh/helpers/detail/create_mesh.h>
@@ -215,6 +217,9 @@ namespace geode
             impl_->create_points();
         }
 
+        template class opengeode_mesh_api VertexMerger< PointSet2D >;
+        template class opengeode_mesh_api VertexMerger< PointSet3D >;
+
         template class opengeode_mesh_api VertexMerger< EdgedCurve2D >;
         template class opengeode_mesh_api VertexMerger< EdgedCurve3D >;