// File: SMESH_MesherHelper.hxx
// Created: 15.02.06 14:48:09
// Author: Sergey KUUL
-// Copyright: Open CASCADE 2006
#ifndef SMESH_MesherHelper_HeaderFile
#define SMESH_MesherHelper_HeaderFile
+#include "SMESH_SMESH.hxx"
+
#include <SMESH_Mesh.hxx>
#include <TopoDS_Shape.hxx>
#include <SMDS_MeshNode.hxx>
* is called.
*/
-class SMESH_MesherHelper
+typedef std::vector<const SMDS_MeshNode* > TNodeColumn;
+typedef std::map< double, TNodeColumn > TParam2ColumnMap;
+
+class SMESH_EXPORT SMESH_MesherHelper
{
- public:
+public:
+ // ---------- PUBLIC UTILITIES ----------
+
+ /*!
+ * \brief Load nodes bound to face into a map of node columns
+ * \param theParam2ColumnMap - map of node columns to fill
+ * \param theFace - the face on which nodes are searched for
+ * \param theBaseEdge - the edge nodes of which are columns' bases
+ * \param theMesh - the mesh containing nodes
+ * \retval bool - false if something is wrong
+ *
+ * The key of the map is a normalized parameter of each
+ * base node on theBaseEdge.
+ * This method works in supposition that nodes on the face
+ * forms a rectangular grid and elements can be quardrangles or triangles
+ */
+ static bool LoadNodeColumns(TParam2ColumnMap & theParam2ColumnMap,
+ const TopoDS_Face& theFace,
+ const TopoDS_Edge& theBaseEdge,
+ SMESHDS_Mesh* theMesh);
+ /*!
+ * \brief Return support shape of a node
+ * \param node - the node
+ * \param meshDS - mesh DS
+ * \retval TopoDS_Shape - found support shape
+ */
+ static const TopoDS_Shape& GetSubShapeByNode(const SMDS_MeshNode* node,
+ SMESHDS_Mesh* meshDS)
+ { return meshDS->IndexToShape( node->GetPosition()->GetShapeId() ); }
+
+ /*!
+ * \brief Return a valid node index, fixing the given one if necessary
+ * \param ind - node index
+ * \param nbNodes - total nb of nodes
+ * \retval int - valid node index
+ */
+ static int WrapIndex(const int ind, const int nbNodes) {
+ if ( ind < 0 ) return nbNodes + ind % nbNodes;
+ if ( ind >= nbNodes ) return ind % nbNodes;
+ return ind;
+ }
+
+public:
// ---------- PUBLIC METHODS ----------
/// Empty constructor
SMESH_MesherHelper(SMESH_Mesh& theMesh)
{ myMesh=(void *)&theMesh; myCreateQuadratic = false; myShapeID=-1;}
- SMESH_Mesh* GetMesh() const
- { return (SMESH_Mesh*)myMesh; }
+ SMESH_Mesh* GetMesh() const { return (SMESH_Mesh*)myMesh; }
+
+ SMESHDS_Mesh* GetMeshDS() const { return GetMesh()->GetMeshDS(); }
/// Copy constructor
//Standard_EXPORT SMESH_MesherHelper (const SMESH_MesherHelper& theOther);
*/
gp_XY GetNodeUV(const TopoDS_Face& F,
const SMDS_MeshNode* n,
- const SMDS_MeshNode* inFaceNode=0);
+ const SMDS_MeshNode* inFaceNode=0) const;
/*!
* \brief Check if inFaceNode argument is necessary for call GetNodeUV(F,..)
const int id = 0,
const bool force3d = true);
+
+ /**
+ * Special function for creation quadratic pyramid
+ */
+ SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1,
+ const SMDS_MeshNode* n2,
+ const SMDS_MeshNode* n3,
+ const SMDS_MeshNode* n4,
+ const SMDS_MeshNode* n5,
+ const int id = 0,
+ const bool force3d = true);
+
/**
* Special function for creation quadratic pentahedron
*/
void SetKeyIsQuadratic(const bool theBuildQuadratic)
{ myCreateQuadratic = theBuildQuadratic; }
+ /*!
+ * \brief Return myCreateQuadratic flag
+ * \retval bool - myCreateQuadratic value
+ */
+ bool GetIsQuadratic() const { return myCreateQuadratic; }
+
/*!
* \brief Set shape to make elements on
* \param subShape, subShapeID - shape or its ID (==SMESHDS_Mesh::ShapeToIndex(shape))
/*!
* \brief Return shape or its ID, on which created elements are added
- * \retval TopoDS_Shape, int - shape or its ID
+ * \retval int - shape index in SMESHDS
+ *
+ * Shape is set by calling either IsQuadraticSubMesh() or SetSubShape()
+ */
+ int GetSubShapeID() const { return myShapeID; }
+ /*!
+ * \brief Return shape or its ID, on which created elements are added
+ * \retval TopoDS_Shape - shape
+ *
+ * Shape is set by calling either IsQuadraticSubMesh() or SetSubShape()
+ */
+ TopoDS_Shape GetSubShape() const { return myShape; }
+
+ /*!
+ * \brief Check if shape is a seam edge or it's vertex
+ * \param subShape - edge or vertex index in SMESHDS
+ * \retval bool - true if subShape is a seam shape
+ *
+ * It works only if IsQuadraticSubMesh() or SetSubShape() has been called
+ */
+ bool IsSeamShape(const int subShape) const
+ { return mySeamShapeIds.find( subShape ) != mySeamShapeIds.end(); }
+ /*!
+ * \brief Check if shape is a seam edge or it's vertex
+ * \param subShape - edge or vertex
+ * \retval bool - true if subShape is a seam shape
+ *
+ * It works only if IsQuadraticSubMesh() or SetSubShape() has been called
+ */
+ bool IsSeamShape(const TopoDS_Shape& subShape) const
+ { return IsSeamShape( GetMeshDS()->ShapeToIndex( subShape )); }
+
+ /*!
+ * \brief Check if the shape set through IsQuadraticSubMesh() or SetSubShape()
+ * has a seam edge
+ * \retval bool - true if it has
+ */
+ bool HasSeam() const { return !mySeamShapeIds.empty(); }
+
+ /*!
+ * \brief Return index of periodic parametric direction of a closed face
+ * \retval int - 1 for U, 2 for V direction
*/
- int GetSubShapeID() { return myShapeID; }
- TopoDS_Shape GetSubShape() { return myShape; }
+ int GetPeriodicIndex() const { return myParIndex; }
protected:
