PAL13615 (EDF PAL 315/31 GEOM SMESH : meshing of a "5 edges quadrangle")

[modules/smesh.git] / src / SMESH / SMESH_Algo.hxx

diff --git a/src/SMESH/SMESH_Algo.hxx b/src/SMESH/SMESH_Algo.hxx
index 69e9a94f01c6911f5b1f7557ae087bcabed23e3d..675264e36cd74cc2e4544b354480a00ea7c7a8aa 100644 (file)
--- a/src/SMESH/SMESH_Algo.hxx
+++ b/src/SMESH/SMESH_Algo.hxx
@@ -34,6 +34,7 @@
 #include <TopoDS_Shape.hxx>
 #include <TopoDS_Edge.hxx>
 #include <gp_XY.hxx>
+#include <GeomAbs_Shape.hxx>
 
 #include <string>
 #include <vector>
@@ -43,11 +44,13 @@
 class SMESH_Gen;
 class SMESH_Mesh;
 class SMESH_HypoFilter;
+class TopoDS_Vertex;
 class TopoDS_Face;
 class TopoDS_Shape;
 class SMESHDS_Mesh;
 class SMDS_MeshNode;
 class SMESH_subMesh;
+class SMESH_MesherHelper;
 
 class SMESH_Algo:public SMESH_Hypothesis
 {
@@ -102,6 +105,16 @@ public:
    */
   virtual bool Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) = 0;
 
+  /*!
+   * \brief Computes mesh without geometry
+    * \param aMesh - the mesh
+    * \param aHelper - helper that must be used for adding elements to \aaMesh
+    * \retval bool - is a success
+    *
+    * The method is called if ( !aMesh->HasShapeToMesh() )
+   */
+  virtual bool Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper);
+
   /*!
    * \brief Returns a list of compatible hypotheses used to mesh a shape
     * \param aMesh - the mesh 
@@ -174,6 +187,9 @@ public:
   bool NeedDescretBoundary() const { return _requireDescretBoundary; }
   // 3 - is a Dim-1 mesh prerequisite
 
+  bool NeedShape() const { return _requireShape; }
+  // 4 - is shape existance required
+
 public:
   // ==================================================================
   // Methods to track non hierarchical dependencies between submeshes 
@@ -189,6 +205,14 @@ public:
    */
   virtual void SetEventListener(SMESH_subMesh* subMesh);
   
+  /*!
+   * \brief Allow algo to do something after persistent restoration
+    * \param subMesh - restored submesh
+   *
+   * This method is called only if a submesh has HYP_OK algo_state.
+   */
+  virtual void SubmeshRestored(SMESH_subMesh* subMesh);
+  
 public:
   // ==================================================================
   // Common algo utilities
@@ -219,14 +243,33 @@ public:
    */
   static double EdgeLength(const TopoDS_Edge & E);
 
+  /*!
+   * \brief Return continuity of two edges
+    * \param E1 - the 1st edge
+    * \param E2 - the 2nd edge
+    * \retval GeomAbs_Shape - regularity at the junction between E1 and E2
+   */
+  static GeomAbs_Shape Continuity(const TopoDS_Edge & E1,
+                                  const TopoDS_Edge & E2);
+
+  /*!
+   * \brief Return the node built on a vertex
+    * \param V - the vertex
+    * \param meshDS - mesh
+    * \retval const SMDS_MeshNode* - found node or NULL
+   */
+  static const SMDS_MeshNode* VertexNode(const TopoDS_Vertex& V,
+                                         SMESHDS_Mesh*        meshDS);
 
 protected:
-  bool _onlyUnaryInput;
-  bool _requireDescretBoundary;
   std::vector<std::string> _compatibleHypothesis;
   std::list<const SMESHDS_Hypothesis *> _appliedHypList;
   std::list<const SMESHDS_Hypothesis *> _usedHypList;
 
+  bool _onlyUnaryInput;
+  bool _requireDescretBoundary;
+  bool _requireShape;
+
   // quadratic mesh creation required
   bool _quadraticMesh;
 };