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160 lines
4.5 KiB
C++
160 lines
4.5 KiB
C++
// File: StdMeshers_Helper.hxx
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// Created: 15.02.06 14:48:09
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// Author: Sergey KUUL
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// Copyright: Open CASCADE 2006
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#ifndef StdMeshers_Helper_HeaderFile
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#define StdMeshers_Helper_HeaderFile
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#include <SMESH_Mesh.hxx>
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#include <TopoDS_Shape.hxx>
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#include <SMDS_MeshNode.hxx>
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#include <TopoDS_Face.hxx>
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#include <gp_XY.hxx>
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#include <map>
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typedef pair<const SMDS_MeshNode*, const SMDS_MeshNode*> NLink;
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typedef map<NLink, const SMDS_MeshNode*> NLinkNodeMap;
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typedef map<NLink, const SMDS_MeshNode*>::iterator ItNLinkNode;
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/*!
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* \brief It helps meshers to add elements
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*
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* It allow meshers not to care about creation of medium nodes
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* when filling a quadratic mesh. Helper does it itself.
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* It defines degree of elements to create when IsQuadraticSubMesh()
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* is called.
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*/
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class StdMeshers_Helper
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{
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public:
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// ---------- PUBLIC METHODS ----------
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/// Empty constructor
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StdMeshers_Helper(SMESH_Mesh& theMesh)
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{ myMesh=(void *)&theMesh; myCreateQuadratic = false; }
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SMESH_Mesh* GetMesh() const
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{ return (SMESH_Mesh*)myMesh; }
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/// Copy constructor
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//Standard_EXPORT StdMeshers_Helper (const StdMeshers_Helper& theOther);
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/// Destructor
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//Standard_EXPORT virtual ~StdMeshers_Helper ();
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/**
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* Check submesh for given shape
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* Check if all elements on this shape
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* are quadratic, if yes => set true to myCreateQuadratic
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* (default value is false). Also fill myNLinkNodeMap
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* Returns myCreateQuadratic
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*/
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bool IsQuadraticSubMesh(const TopoDS_Shape& theShape);
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/*!
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* \brief Returns true if given node is medium
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* \param n - node to check
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* \param typeToCheck - type of elements containing the node to ask about node status
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* \retval bool - check result
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*/
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static bool IsMedium(const SMDS_MeshNode* node,
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const SMDSAbs_ElementType typeToCheck = SMDSAbs_All);
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/**
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* Auxilary function for filling myNLinkNodeMap
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*/
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void AddNLinkNode(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n12);
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/**
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* Auxilary function for filling myNLinkNodeMap
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*/
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void AddNLinkNodeMap(const NLinkNodeMap& aMap)
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{ myNLinkNodeMap.insert(aMap.begin(), aMap.end()); }
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/**
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* Returns myNLinkNodeMap
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*/
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const NLinkNodeMap& GetNLinkNodeMap() { return myNLinkNodeMap; }
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/**
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* Auxilary function for GetMediumNode()
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*/
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gp_XY GetNodeUV(const TopoDS_Face& F,
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const SMDS_MeshNode* n);
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/**
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* Special function for search or creation medium node
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*/
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const SMDS_MeshNode* GetMediumNode(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const bool force3d);
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/**
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* Special function for creation quadratic triangle
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*/
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SMDS_MeshFace* AddFace(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n3);
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/**
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* Special function for creation quadratic quadrangle
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*/
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SMDS_MeshFace* AddFace(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n3,
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const SMDS_MeshNode* n4);
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/**
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* Special function for creation quadratic tetraahedron
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*/
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SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n3,
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const SMDS_MeshNode* n4);
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/**
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* Special function for creation quadratic pentahedron
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*/
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SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n3,
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const SMDS_MeshNode* n4,
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const SMDS_MeshNode* n5,
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const SMDS_MeshNode* n6);
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/**
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* Special function for creation quadratic hexahedron
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*/
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SMDS_MeshVolume* AddVolume(const SMDS_MeshNode* n1,
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const SMDS_MeshNode* n2,
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const SMDS_MeshNode* n3,
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const SMDS_MeshNode* n4,
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const SMDS_MeshNode* n5,
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const SMDS_MeshNode* n6,
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const SMDS_MeshNode* n7,
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const SMDS_MeshNode* n8);
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private:
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void* myMesh;
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int myShapeID;
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// Key for creation quadratic faces
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bool myCreateQuadratic;
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// special map for using during creation quadratic faces
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NLinkNodeMap myNLinkNodeMap;
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};
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#endif
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