fix failure of non-regression test SMESH_TEST/Grids/smesh/mesh_Projection_2D/A1

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

diff --git a/src/SMESH/SMESH_MesherHelper.hxx b/src/SMESH/SMESH_MesherHelper.hxx
index 57252b55e625ba3d13db90cd0a656d483e83e8dd..4b4ffdb750b53ba7301658886b02671bf202c51d 100644 (file)
--- a/src/SMESH/SMESH_MesherHelper.hxx
+++ b/src/SMESH/SMESH_MesherHelper.hxx
@@ -58,12 +58,15 @@ typedef gp_XY (*xyFunPtr)(const gp_XY& uv1, const gp_XY& uv2);
 
 //=======================================================================
 /*!
- * \brief It helps meshers to add elements
+ * \brief It helps meshers to add elements and provides other utilities
  *
- * It allow meshers not to care about creation of medium nodes
+ * - It allows meshers not to care about creation of medium nodes
  * when filling a quadratic mesh. Helper does it itself.
- * It defines degree of elements to create when IsQuadraticSubMesh()
+ * It defines order of elements to create when IsQuadraticSubMesh()
  * is called.
+ * - It provides information on a shape it is initialized with:
+ * periodicity, presence of singularities etc.
+ * - ...
  */
 //=======================================================================
 
@@ -73,13 +76,15 @@ public:
   // ---------- PUBLIC UTILITIES ----------
   
   /*!
-   * \brief Returns true if given node is medium
-    * \param n - node to check
-    * \param typeToCheck - type of elements containing the node to ask about node status
+   * \brief Returns true if all elements of a sub-mesh are of same shape
+    * \param smDS - sub-mesh to check elements of
+    * \param shape - expected shape of elements
+    * \param nullSubMeshRes - result value for the case of smDS == NULL
     * \retval bool - check result
    */
-  static bool IsMedium(const SMDS_MeshNode*      node,
-                       const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
+  static bool IsSameElemGeometry(const SMESHDS_SubMesh* smDS,
+                                 SMDSAbs_GeometryType   shape,
+                                 const bool             nullSubMeshRes = true);
 
   /*!
    * \brief Load nodes bound to face into a map of node columns
@@ -107,6 +112,19 @@ public:
                               const TopoDS_Edge& theBaseEdge,
                               SMESHDS_Mesh*      theMesh,
                               SMESH_ProxyMesh*   theProxyMesh=0);
+  /*!
+   * \brief Return true if 2D mesh on FACE is structured
+   */
+  static bool IsStructured( SMESH_subMesh* faceSM );
+
+  /*!
+   * \brief Returns true if given node is medium
+    * \param n - node to check
+    * \param typeToCheck - type of elements containing the node to ask about node status
+    * \retval bool - check result
+   */
+  static bool IsMedium(const SMDS_MeshNode*      node,
+                       const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
   /*!
    * \brief Return support shape of a node
    * \param node - the node
@@ -128,6 +146,17 @@ public:
     return ind;
   }
 
+  /*!
+   * \brief Count nb of sub-shapes
+    * \param shape - the shape
+    * \param type - the type of sub-shapes to count
+    * \param ignoreSame - if true, use map not to count same shapes, esle use explorer
+    * \retval int - the calculated number
+   */
+  static int Count(const TopoDS_Shape&    shape,
+                   const TopAbs_ShapeEnum type,
+                   const bool             ignoreSame);
+
   /*!
    * \brief Return number of unique ancestors of the shape
    */
@@ -192,6 +221,11 @@ public:
    */
   bool GetIsQuadratic() const { return myCreateQuadratic; }
 
+  /*
+   * \brief Find out elements orientation on a geometrical face
+   */
+  bool IsReversedSubMesh (const TopoDS_Face& theFace);
+
   /*!
    * \brief Move medium nodes of faces and volumes to fix distorted elements
    * \param error - container of fixed distorted elements
@@ -204,7 +238,8 @@ public:
    *        or the next methods. By defaul elements are set on the shape if
    *        a mesh has no shape to be meshed
    */
-  void SetElementsOnShape(bool toSet) { mySetElemOnShape = toSet; }
+  bool SetElementsOnShape(bool toSet)
+  { bool res = mySetElemOnShape; mySetElemOnShape = toSet; return res; }
 
   /*!
    * \brief Set shape to make elements on without calling IsQuadraticSubMesh()
@@ -343,6 +378,7 @@ public:
   /*!
    * \brief Return node UV on face
    *  \param inFaceNode - a node of element being created located inside a face
+   *  \param check - if provided, returns result of UV check that it enforces
    */
   gp_XY GetNodeUV(const TopoDS_Face&   F,
                   const SMDS_MeshNode* n,
@@ -493,7 +529,8 @@ public:
    * \brief Return index and type of the shape (EDGE or FACE only) to set a medium node on
    */
   std::pair<int, TopAbs_ShapeEnum> GetMediumPos(const SMDS_MeshNode* n1,
-                                                const SMDS_MeshNode* n2);
+                                                const SMDS_MeshNode* n2,
+                                                const bool           useCurSubShape=false);
   /*!
    * \brief Add a link in my data structure
    */