23619: EDF 18055 - Detection of sharp edges

[modules/smesh.git] / src / SMESHUtils / SMESH_MeshAlgos.hxx

diff --git a/src/SMESHUtils/SMESH_MeshAlgos.hxx b/src/SMESHUtils/SMESH_MeshAlgos.hxx
index 3b1097a66002f67e43fb836fa4caf53d63f04e42..4d9fba8d97a378210c98cd4e82aa9a86004db363 100644 (file)
--- a/src/SMESHUtils/SMESH_MeshAlgos.hxx
+++ b/src/SMESHUtils/SMESH_MeshAlgos.hxx
@@ -198,7 +198,6 @@ namespace SMESH_MeshAlgos
   bool IsRightOrder( const SMDS_MeshElement* face,
                      const SMDS_MeshNode*    node0,
                      const SMDS_MeshNode*    node1 );
-
   /*!
    * \brief Mark elements given by SMDS_Iterator
    */
@@ -247,6 +246,27 @@ namespace SMESH_MeshAlgos
         MarkElems( (*it)->nodesIterator(), isMarked );
   }
 
+  // 2 nodes + optional medium node
+  struct Edge
+  {
+    const SMDS_MeshNode* _node1;
+    const SMDS_MeshNode* _node2;
+    const SMDS_MeshNode* _medium;
+  };
+
+  /*!
+   * Return sharp edges of faces and non-manifold ones.
+   * Optionally adds existing edges to the result. Angle is in degrees.
+   */
+  std::vector< Edge > FindSharpEdges( SMDS_Mesh* mesh,
+                                      double     angle,
+                                      bool       addExisting );
+
+  /*!
+   * Distribute all faces of the mesh between groups using given edges.
+   */
+  std::vector< std::vector< const SMDS_MeshElement* > >
+  SeparateFacesByEdges( SMDS_Mesh* mesh, const std::vector< Edge >& edges );
 
 
   typedef std::vector<const SMDS_MeshNode*> TFreeBorder;