X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSMESH%2FSMESH_MeshEditor.hxx;h=8e605ab9294f43ebb94a88e69554620dc3c40714;hb=8dc55ee0b75c97cc1a3d537cff6e992c6122b6d1;hp=3fc13aca6c7bbc28927caf09b9f91d0da05f4b61;hpb=9d296302bce45a19ce73bcb52e86884ba38f1199;p=modules%2Fsmesh.git

diff --git a/src/SMESH/SMESH_MeshEditor.hxx b/src/SMESH/SMESH_MeshEditor.hxx
index 3fc13aca6..8e605ab92 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);
 
@@ -463,6 +465,14 @@ public:
                        SMESH_Mesh*        theTargetMesh=0);
   // Move or copy theElements applying theTrsf to their nodes
 
+  PGroupIDs Offset( TIDSortedElemSet & theElements,
+                    const double       theValue,
+                    SMESH_Mesh*        theTgtMesh,
+                    const bool         theMakeGroups,
+                    const bool         theCopyElements,
+                    const bool         theFixSelfIntersection);
+  // Make an offset mesh from a source 2D mesh
+
   typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
 
   void FindCoincidentNodes (TIDSortedNodeSet &   theNodes,
@@ -540,7 +550,7 @@ 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 +717,49 @@ public:
                        bool                    toAddExistingBondary = false,
                        bool                    aroundElements = false);
 
+
+  // structure used in MakePolyLine() to define a cutting plane
+  struct PolySegment
+  {
+    // 2 points, each defined as follows:
+    // ( myNode1 &&  myNode2 ) ==> point is in the middle of an edge defined by two nodes
+    // ( myNode1 && !myNode2 ) ==> point is at myNode1
+    // else                    ==> point is at myXYZ
+    const SMDS_MeshNode*    myNode1[2];
+    const SMDS_MeshNode*    myNode2[2];
+    gp_XYZ                  myXYZ  [2];
+
+    // face on which myXYZ projects (found by MakePolyLine())
+    const SMDS_MeshElement* myFace [2];
+
+    // vector on the plane; to use a default plane set vector = (0,0,0)
+    gp_Vec myVector;
+
+    // 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:
 
   /*!