/usr/include/opencascade/Poly_CoherentTriangle.hxx is in libopencascade-foundation-dev 6.5.0.dfsg-2build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | // File: Poly_CoherentTriangle.hxx
// Created: 24.11.07 14:36
// Author: Alexander GRIGORIEV
// Copyright: Open Cascade 2007
#ifndef Poly_CoherentTriangle_HeaderFile
#define Poly_CoherentTriangle_HeaderFile
#include <Standard_TypeDef.hxx>
class Poly_CoherentTrianguation;
class Poly_CoherentLink;
/**
* Data class used in Poly_CoherentTriangultion.
* Implements a triangle with references to its neighbours.
*/
class Poly_CoherentTriangle
{
public:
// ---------- PUBLIC METHODS ----------
/**
* Empty constructor.
*/
Standard_EXPORT Poly_CoherentTriangle ();
/**
* Constructor.
*/
Standard_EXPORT Poly_CoherentTriangle (const Standard_Integer iNode0,
const Standard_Integer iNode1,
const Standard_Integer iNode2);
/**
* Query the node index in the position given by the parameter 'ind'
*/
inline Standard_Integer Node (const Standard_Integer ind) const
{ return myNodes[ind]; }
// /**
// * Set the Node at the given position 'ind'.
// */
// inline void SetNode (const Standard_Integer ind,
// const Standard_Integer iNode)
// { myNodes[ind] = iNode; }
/**
* Query if this is a valid triangle.
*/
inline Standard_Boolean IsEmpty () const
{ return myNodes[0] < 0 || myNodes[1] < 0 || myNodes[2] < 0; }
/**
* Create connection with another triangle theTri.
* This method creates both connections: in this triangle and in theTri. You
* do not need to call the same method on triangle theTr.
* @param iConn
* Can be 0, 1 or 2 - index of the node that is opposite to the connection
* (shared link).
* @param theTr
* Triangle that is connected on the given link.
* @return
* True if successful, False if the connection is rejected
* due to improper topology.
*/
Standard_EXPORT Standard_Boolean
SetConnection (const Standard_Integer iConn,
Poly_CoherentTriangle& theTr);
/**
* Create connection with another triangle theTri.
* This method creates both connections: in this triangle and in theTri.
* This method is slower than the previous one, because it makes analysis
* what sides of both triangles are connected.
* @param theTri
* Triangle that is connected.
* @return
* True if successful, False if the connection is rejected
* due to improper topology.
*/
Standard_EXPORT Standard_Boolean
SetConnection (Poly_CoherentTriangle& theTri);
/**
* Remove the connection with the given index.
* @param iConn
* Can be 0, 1 or 2 - index of the node that is opposite to the connection
* (shared link).
*/
Standard_EXPORT void RemoveConnection(const Standard_Integer iConn);
/**
* Remove the connection with the given Triangle.
* @return
* True if successfuol or False if the connection has not been found.
*/
Standard_EXPORT Standard_Boolean
RemoveConnection(Poly_CoherentTriangle& theTri);
/**
* Query the number of connected triangles.
*/
inline Standard_Integer NConnections () const
{ return myNConnections; }
/**
* Query the connected node on the given side.
* Returns -1 if there is no connection on the specified side.
*/
inline Standard_Integer GetConnectedNode(const Standard_Integer iConn) const
{ return myNodesOnConnected[iConn]; }
/**
* Query the connected triangle on the given side.
* Returns NULL if there is no connection on the specified side.
*/
inline const Poly_CoherentTriangle *
GetConnectedTri (const Standard_Integer iConn) const
{ return mypConnected[iConn]; }
/**
* Query the Link associate with the given side of the Triangle.
* May return NULL if there are no links in the triangulation.
*/
inline const Poly_CoherentLink *
GetLink (const Standard_Integer iLink) const
{ return mypLink[iLink]; }
/**
* Retuns the index of the connection with the given triangle, or -1 if not
* found.
*/
Standard_EXPORT Standard_Integer
FindConnection (const Poly_CoherentTriangle&) const;
protected:
// ---------- PROTECTED METHODS ----------
private:
// ---------- PRIVATE FIELDS ----------
Standard_Integer myNConnections;
Standard_Integer myNodes[3];
Standard_Integer myNodesOnConnected[3];
const Poly_CoherentTriangle * mypConnected[3];
const Poly_CoherentLink * mypLink[3];
friend class Poly_CoherentTriangulation;
};
#endif
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