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;
* \param theElems - The triangles to be fused.
* \param theCriterion - Is used to choose a neighbour to fuse with.
* \param theMaxAngle - Is a max angle between element normals at which fusion
- * is still performed; theMaxAngle is mesured in radians.
+ * is still performed; theMaxAngle is measured in radians.
* \return bool - Success or not.
*/
bool TriToQuad (TIDSortedElemSet & theElems,
const double theMaxAngle);
/*!
* \brief Split quadrangles into triangles.
- * \param theElems - The faces to be splitted.
+ * \param theElems - The faces to be split.
* \param theCriterion - Is used to choose a diagonal for splitting.
* \return bool - Success or not.
*/
SMESH::Controls::NumericalFunctorPtr theCriterion);
/*!
* \brief Split quadrangles into triangles.
- * \param theElems - The faces to be splitted.
+ * \param theElems - The faces to be split.
* \param the13Diag - Is used to choose a diagonal for splitting.
* \return bool - Success or not.
*/
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);
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 theFixSelfIntersection);
+ // Make an offset mesh from a source 2D mesh
+
typedef std::list< std::list< const SMDS_MeshNode* > > TListOfListOfNodes;
void FindCoincidentNodes (TIDSortedNodeSet & theNodes,
// 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.
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:
/*!