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;
// --------------------------------------------------------------------------------
struct ElemFeatures //!< Features of element to create
{
- SMDSAbs_ElementType myType;
- bool myIsPoly, myIsQuad;
- int myID;
- double myBallDiameter;
- std::vector<int> myPolyhedQuantities;
+ SMDSAbs_ElementType myType;
+ bool myIsPoly, myIsQuad;
+ int myID;
+ double myBallDiameter;
+ std::vector<int> myPolyhedQuantities;
+ std::vector<const SMDS_MeshNode*> myNodes; // not managed by ElemFeatures
SMESH_EXPORT ElemFeatures( SMDSAbs_ElementType type=SMDSAbs_All, bool isPoly=false, bool isQuad=false )
:myType( type ), myIsPoly(isPoly), myIsQuad(isQuad), myID(-1), myBallDiameter(0) {}
* \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 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,
// 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, 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:
/*!
const size_t nbSteps,
SMESH_SequenceOfElemPtr& srcElements);
+ /*!
+ * \brief Computes new connectivity of an element after merging nodes
+ * \param [in] elems - the element
+ * \param [out] newElemDefs - definition(s) of result element(s)
+ * \param [inout] nodeNodeMap - nodes to merge
+ * \param [in] avoidMakingHoles - if true and and the element becomes invalid
+ * after merging (but not degenerated), removes nodes causing
+ * the invalidity from \a nodeNodeMap.
+ * \return bool - true if the element should be removed
+ */
+ bool applyMerge( const SMDS_MeshElement* elems,
+ std::vector< ElemFeatures >& newElemDefs,
+ TNodeNodeMap& nodeNodeMap,
+ const bool avoidMakingHoles );
/*!
* \brief Create 1D and 2D elements around swept elements
* \param mapNewNodes - source nodes and ones generated from them
double Angle ()const { return myAngle; }
double Parameter ()const { return myPrm; }
};
- Extrusion_Error MakeEdgePathPoints(std::list<double>& aPrms,
+ Extrusion_Error makeEdgePathPoints(std::list<double>& aPrms,
const TopoDS_Edge& aTrackEdge,
bool aFirstIsStart,
std::list<SMESH_MeshEditor_PathPoint>& aLPP);
- Extrusion_Error MakeExtrElements(TIDSortedElemSet theElements[2],
+ Extrusion_Error makeExtrElements(TIDSortedElemSet theElements[2],
std::list<SMESH_MeshEditor_PathPoint>& theFullList,
const bool theHasAngles,
std::list<double>& theAngles,
const bool theHasRefPoint,
const gp_Pnt& theRefPoint,
const bool theMakeGroups);
- static void LinearAngleVariation(const int NbSteps,
+ static void linearAngleVariation(const int NbSteps,
std::list<double>& theAngles);
bool doubleNodes( SMESHDS_Mesh* theMeshDS,
