X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESH%2FSMESH_MeshEditor.hxx;h=9a54cb7addd85487c6a3cde93ecb1d2976efb4b0;hb=refs%2Ftags%2FV9_0_0;hp=3fc13aca6c7bbc28927caf09b9f91d0da05f4b61;hpb=9d296302bce45a19ce73bcb52e86884ba38f1199;p=modules%2Fsmesh.git

diff --git a/src/SMESH/SMESH_MeshEditor.hxx b/src/SMESH/SMESH_MeshEditor.hxx
index 3fc13aca6..9a54cb7ad 100644
--- a/src/SMESH/SMESH_MeshEditor.hxx
+++ b/src/SMESH/SMESH_MeshEditor.hxx
@@ -46,8 +46,10 @@
 class SMDS_MeshElement;
 class SMDS_MeshFace;
 class SMDS_MeshNode;
+class SMESHDS_Group;
 class SMESHDS_Mesh;
 class SMESHDS_SubMesh;
+class SMESH_ElementSearcher;
 class SMESH_Group;
 class SMESH_Mesh;
 class SMESH_MesherHelper;
@@ -197,7 +199,7 @@ public:
                   const bool         the13Diag);
   /*!
    * \brief Split each of given quadrangles into 4 triangles.
-   * \param theElems - The faces to be splitted. If empty all faces are split.
+   * \param theElems - The faces to be split. If empty all faces are split.
    */
   void QuadTo4Tri (TIDSortedElemSet & theElems);
 
@@ -540,7 +542,7 @@ public:
   // of the side 2. If nb of links in the free border and
   // between theSide2FirstNode and theSide2LastNode are different,
   // additional nodes are inserted on a link provided that no
-  // volume elements share the splitted link.
+  // volume elements share the split link.
   // The side 2 is a free border if theSide2IsFreeBorder == true.
   // Sewing is performed between the given first, second and last
   // nodes on the sides.
@@ -707,6 +709,42 @@ public:
                        bool                    toAddExistingBondary = false,
                        bool                    aroundElements = false);
 
+
+  // structure used in MakePolyLine() to define a cutting plane
+  struct PolySegment
+  {
+    // 2 points: if myNode2 != 0, then the point is the middle of a face edge defined
+    //           by two nodes, else it is at myNode1
+    const SMDS_MeshNode* myNode1[2];
+    const SMDS_MeshNode* myNode2[2];
+
+    gp_Vec myVector; // vector on the plane; to use a default plane set vector = (0,0,0)
+
+    // point to return coordinates of a middle of the two points, projected to mesh
+    gp_Pnt myMidProjPoint;
+  };
+  typedef std::vector<PolySegment> TListOfPolySegments;
+
+  /*!
+   * \brief Create a polyline consisting of 1D mesh elements each lying on a 2D element of
+   *        the initial mesh. Positions of new nodes are found by cutting the mesh by the
+   *        plane passing through pairs of points specified by each PolySegment structure.
+   *        If there are several paths connecting a pair of points, the shortest path is
+   *        selected by the module. Position of the cutting plane is defined by the two
+   *        points and an optional vector lying on the plane specified by a PolySegment.
+   *        By default the vector is defined by Mesh module as following. A middle point
+   *        of the two given points is computed. The middle point is projected to the mesh.
+   *        The vector goes from the middle point to the projection point. In case of planar
+   *        mesh, the vector is normal to the mesh.
+   *  \param [inout] segments - PolySegment's defining positions of cutting planes.
+   *        Return the used vector and position of the middle point.
+   *  \param [in] group - an optional group where created mesh segments will
+   *        be added.
+   */
+  void MakePolyLine( TListOfPolySegments&   segments,
+                     SMESHDS_Group*         group=0,
+                     SMESH_ElementSearcher* searcher=0);
+
  private:
 
   /*!