[MeL/ME] Add an opt. node map. to copyElementVector.

MeshLib/MeshEditing/DuplicateMeshComponents.cpp

@@ -34,15 +34,15 @@ std::vector<MeshLib::Node*> copyNodeVector(
 }
 
 std::vector<MeshLib::Element*> copyElementVector(
-    const std::vector<MeshLib::Element*>& elements,
-    const std::vector<MeshLib::Node*>& nodes)
+    std::vector<MeshLib::Element*> const& elements,
+    std::vector<MeshLib::Node*> const& new_nodes,
+    std::vector<std::size_t> const* const node_id_map)
 {
-    const std::size_t nElements(elements.size());
     std::vector<MeshLib::Element*> new_elements;
-    new_elements.reserve(nElements);
-    for (std::size_t k = 0; k < nElements; ++k)
+    new_elements.reserve(elements.size());
+    for (auto element : elements)
     {
-        new_elements.push_back(copyElement(elements[k], nodes));
+        new_elements.push_back(copyElement(element, new_nodes, node_id_map));
     }
     return new_elements;
 }

MeshLib/MeshEditing/DuplicateMeshComponents.h

@@ -28,16 +28,19 @@ std::vector<MeshLib::Node*> copyNodeVector(
 
 /** Creates a deep copy of an element vector using the given Node vector.
  * @param elements The element vector that should be duplicated.
- * @param nodes    The new node vector used for the duplicated element vector.
- * This should be consistent with the original node vector.
+ * @param new_nodes The new node vector used for the duplicated element vector.
+ * @param node_id_map An optional mapping from the nodes the 'old' elements
+ * based on to the new nodes. This should be consistent with the original node
+ * vector.
  * @return A deep copy of the elements vector using the new nodes vector.
  */
 std::vector<MeshLib::Element*> copyElementVector(
-    const std::vector<MeshLib::Element*>& elements,
-    const std::vector<MeshLib::Node*>& nodes);
+    std::vector<MeshLib::Element*> const& elements,
+    std::vector<MeshLib::Node*> const& new_nodes,
+    std::vector<std::size_t> const* const node_id_map = nullptr);
 
 /// Copies an element without change, using the nodes vector from the result
-/// mesh.
+/// mesh and an optional mapping from the nodes the 'old' elements.
 MeshLib::Element* copyElement(
     MeshLib::Element const* const element,
     const std::vector<MeshLib::Node*>& nodes,