#include "SMESH_Mesh.hxx"
#include "SMESH_Controls.hxx"
+#include "SMESH_SequenceOfNode.hxx"
+#include "gp_Dir.hxx"
+#include "TColStd_HSequenceOfReal.hxx"
#include <list>
#include <map>
+typedef map<const SMDS_MeshElement*,
+ list<const SMDS_MeshElement*> > TElemOfElemListMap;
+
class SMDS_MeshElement;
class SMDS_MeshFace;
class SMDS_MeshNode;
// with a quadrangle built on the same 4 nodes.
// Return false if proper faces not found
- bool Reorient (const SMDS_MeshElement * theFace);
- // Reverse the normal of theFace
- // Return false if theFace is null
+ bool Reorient (const SMDS_MeshElement * theElement);
+ // Reverse theElement orientation
+ /*!
+ * \brief Fuse neighbour triangles into quadrangles.
+ * \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.
+ * \retval bool - Success or not.
+ */
bool TriToQuad (std::set<const SMDS_MeshElement*> & theElems,
SMESH::Controls::NumericalFunctorPtr theCriterion,
const double theMaxAngle);
- // Fuse neighbour triangles into quadrangles.
- // theCriterion is used to choose a neighbour to fuse with.
- // theMaxAngle is a max angle between element normals at which
- // fusion is still performed; theMaxAngle is mesured in radians.
+ /*!
+ * \brief Split quadrangles into triangles.
+ * \param theElems - The faces to be splitted.
+ * \param theCriterion - Is used to choose a diagonal for splitting.
+ * \retval bool - Success or not.
+ */
bool QuadToTri (std::set<const SMDS_MeshElement*> & theElems,
SMESH::Controls::NumericalFunctorPtr theCriterion);
- // Cut quadrangles into triangles.
- // theCriterion is used to choose a diagonal to cut
+ /*!
+ * \brief Split quadrangles into triangles.
+ * \param theElems - The faces to be splitted.
+ * \param the13Diag - Is used to choose a diagonal for splitting.
+ * \retval bool - Success or not.
+ */
bool QuadToTri (std::set<const SMDS_MeshElement*> & theElems,
const bool the13Diag);
- // Cut quadrangles into triangles
+
+ /*!
+ * \brief Find better diagonal for splitting.
+ * \param theQuad - The face to find better splitting of.
+ * \param theCriterion - Is used to choose a diagonal for splitting.
+ * \retval int - 1 for 1-3 diagonal, 2 for 2-4, -1 - for errors.
+ */
+ int BestSplit (const SMDS_MeshElement* theQuad,
+ SMESH::Controls::NumericalFunctorPtr theCriterion);
enum SmoothMethod { LAPLACIAN = 0, CENTROIDAL };
std::set<const SMDS_MeshNode*> & theFixedNodes,
const SmoothMethod theSmoothMethod,
const int theNbIterations,
- double theTgtAspectRatio = 1.0);
+ double theTgtAspectRatio = 1.0,
+ const bool the2D = true);
// Smooth theElements using theSmoothMethod during theNbIterations
// or until a worst element has aspect ratio <= theTgtAspectRatio.
// Aspect Ratio varies in range [1.0, inf].
// If theElements is empty, the whole mesh is smoothed.
// theFixedNodes contains additionally fixed nodes. Nodes built
// on edges and boundary nodes are always fixed.
+ // If the2D, smoothing is performed using UV parameters of nodes
+ // on geometrical faces
void RotationSweep (std::set<const SMDS_MeshElement*> & theElements,
// Generate new elements by rotation of theElements around theAxis
// by theAngle by theNbSteps
- void ExtrusionSweep (std::set<const SMDS_MeshElement*> & theElements,
- const gp_Vec& theStep,
- const int theNbSteps);
+ /*!
+ * Auxilary flag for advanced extrusion.
+ * BOUNDARY: create or not boundary for result of extrusion
+ * SEW: try to use existing nodes or create new nodes in any case
+ */
+ enum ExtrusionFlags {
+ EXTRUSION_FLAG_BOUNDARY = 0x01,
+ EXTRUSION_FLAG_SEW = 0x02
+ };
+
+ /*!
+ * special structire for control of extrusion functionality
+ */
+ struct ExtrusParam {
+ gp_Dir myDir; // direction of extrusion
+ Handle(TColStd_HSequenceOfReal) mySteps; // magnitudes for each step
+ SMESH_SequenceOfNode myNodes; // nodes for using in sewing
+ };
+
+ /*!
+ * Create new node in the mesh with given coordinates
+ * (auxilary for advanced extrusion)
+ */
+ const SMDS_MeshNode* CreateNode(const double x,
+ const double y,
+ const double z,
+ const double tolnode,
+ SMESH_SequenceOfNode& aNodes);
+
+ /*!
+ * Generate new elements by extrusion of theElements
+ * It is a method used in .idl file. All functionality
+ * is implemented in the next method (see below) which
+ * is used in the cuurent method.
+ * param theElems - list of elements for extrusion
+ * param newElemsMap returns history of extrusion
+ * param theFlags set flags for performing extrusion (see description
+ * of enum ExtrusionFlags for additional information)
+ * param theTolerance - uses for comparing locations of nodes if flag
+ * EXTRUSION_FLAG_SEW is set
+ */
+ void ExtrusionSweep
+ (set<const SMDS_MeshElement*> & theElems,
+ const gp_Vec& theStep,
+ const int theNbSteps,
+ TElemOfElemListMap& newElemsMap,
+ const int theFlags = EXTRUSION_FLAG_BOUNDARY,
+ const double theTolerance = 1.e-6);
+
+ /*!
+ * Generate new elements by extrusion of theElements
+ * param theElems - list of elements for extrusion
+ * param newElemsMap returns history of extrusion
+ * param theFlags set flags for performing extrusion (see description
+ * of enum ExtrusionFlags for additional information)
+ * param theTolerance - uses for comparing locations of nodes if flag
+ * EXTRUSION_FLAG_SEW is set
+ * param theParams - special structure for manage of extrusion
+ */
+ void ExtrusionSweep (set<const SMDS_MeshElement*> & theElems,
+ ExtrusParam& theParams,
+ TElemOfElemListMap& newElemsMap,
+ const int theFlags,
+ const double theTolerance);
+
+
// Generate new elements by extrusion of theElements
// by theStep by theNbSteps
// Return list of group of nodes close to each other within theTolerance.
// Search among theNodes or in the whole mesh if theNodes is empty.
+ int SimplifyFace (const vector<const SMDS_MeshNode *> faceNodes,
+ vector<const SMDS_MeshNode *>& poly_nodes,
+ vector<int>& quantities) const;
+ // Split face, defined by <faceNodes>, into several faces by repeating nodes.
+ // Is used by MergeNodes()
+
void MergeNodes (TListOfListOfNodes & theNodeGroups);
// In each group, the cdr of nodes are substituted by the first one
// in all elements.
const SMDS_MeshNode* theSide2FirstNode,
const SMDS_MeshNode* theSide2SecondNode,
const SMDS_MeshNode* theSide2ThirdNode = 0,
- bool theSide2IsFreeBorder = true);
+ const bool theSide2IsFreeBorder = true,
+ const bool toCreatePolygons = false,
+ const bool toCreatePolyedrs = false);
// Sew the free border to the side2 by replacing nodes in
// elements on the free border with nodes of the elements
// of the side 2. If nb of links in the free border and
void InsertNodesIntoLink(const SMDS_MeshElement* theFace,
const SMDS_MeshNode* theBetweenNode1,
const SMDS_MeshNode* theBetweenNode2,
- std::list<const SMDS_MeshNode*>& theNodesToInsert);
- // insert theNodesToInsert into theFace between theBetweenNode1
- // and theBetweenNode2 and split theElement.
-
- static int SortQuadNodes (const SMDS_Mesh * theMesh,
- int theNodeIds[] );
- // Set 4 nodes of a quadrangle face in a good order.
- // Swap 1<->2 or 2<->3 nodes and correspondingly return
- // 1 or 2 else 0.
-
- static bool SortHexaNodes (const SMDS_Mesh * theMesh,
- int theNodeIds[] );
- // Set 8 nodes of a hexahedron in a good order.
- // Return success status
+ std::list<const SMDS_MeshNode*>& theNodesToInsert,
+ const bool toCreatePoly = false);
+ // insert theNodesToInsert into theFace between theBetweenNode1 and theBetweenNode2.
+ // If toCreatePoly is true, replace theFace by polygon, else split theFace.
+
+ void UpdateVolumes (const SMDS_MeshNode* theBetweenNode1,
+ const SMDS_MeshNode* theBetweenNode2,
+ std::list<const SMDS_MeshNode*>& theNodesToInsert);
+ // insert theNodesToInsert into all volumes, containing link
+ // theBetweenNode1 - theBetweenNode2, between theBetweenNode1 and theBetweenNode2.
+
+// static int SortQuadNodes (const SMDS_Mesh * theMesh,
+// int theNodeIds[] );
+// // Set 4 nodes of a quadrangle face in a good order.
+// // Swap 1<->2 or 2<->3 nodes and correspondingly return
+// // 1 or 2 else 0.
+//
+// static bool SortHexaNodes (const SMDS_Mesh * theMesh,
+// int theNodeIds[] );
+// // Set 8 nodes of a hexahedron in a good order.
+// // Return success status
static void AddToSameGroups (const SMDS_MeshElement* elemToAdd,
const SMDS_MeshElement* elemInGroups,
SMESHDS_Mesh * GetMeshDS() { return myMesh->GetMeshDS(); }
-
private:
SMESH_Mesh * myMesh;
