/usr/include/oce/Poly_CoherentNode.hxx is in liboce-foundation-dev 0.17.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Created by: Alexander GRIGORIEV
// Copyright (c) 2007-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef Poly_CoherentNode_HeaderFile
#define Poly_CoherentNode_HeaderFile
#include <gp_XYZ.hxx>
#include <Poly_CoherentTriPtr.hxx>
#include <Precision.hxx>
class NCollection_BaseAllocator;
/**
* Node of coherent triangulation. Contains:
* <ul>
* <li>Coordinates of a 3D point defining the node location</li>
* <li>2D point coordinates</li>
* <li>List of triangles that use this Node</li>
* <li>Integer index, normally the index of the node in the original
* triangulation</li>
* </ul>
*/
class Poly_CoherentNode : public gp_XYZ
{
public:
// ---------- PUBLIC METHODS ----------
/**
* Empty constructor.
*/
inline Poly_CoherentNode ()
: gp_XYZ (0., 0., 0.),
myTriangles (0L),
myIndex (-1)
{ myUV[0] = Precision::Infinite(); myUV[1] = Precision::Infinite(); }
/**
* Constructor.
*/
inline Poly_CoherentNode (const gp_XYZ& thePnt)
: gp_XYZ (thePnt),
myTriangles (0L),
myIndex (-1)
{ myUV[0] = Precision::Infinite(); myUV[1] = Precision::Infinite(); myNormal[0] = 0.f; myNormal[1] = 0.f; myNormal[2] = 0.f; }
/**
* Set the UV coordinates of the Node.
*/
inline void SetUV (const Standard_Real theU,
const Standard_Real theV)
{ myUV[0] = theU; myUV[1] = theV; }
/**
* Get U coordinate of the Node.
*/
inline Standard_Real GetU () const
{ return myUV[0]; }
/**
* Get V coordinate of the Node.
*/
inline Standard_Real GetV () const
{ return myUV[1]; }
/**
* Define the normal vector in the Node.
*/
Standard_EXPORT void SetNormal (const gp_XYZ& theVector);
/**
* Query if the Node contains a normal vector.
*/
inline Standard_Boolean HasNormal () const
{ return ((myNormal[0]*myNormal[0] + myNormal[1]*myNormal[1] +
myNormal[2]*myNormal[2]) > Precision::Confusion()); }
/**
* Get the stored normal in the node.
*/
inline gp_XYZ GetNormal () const
{ return gp_XYZ (myNormal[0], myNormal[1], myNormal[2]); }
/**
* Set the value of node Index.
*/
inline void SetIndex (const Standard_Integer theIndex)
{ myIndex = theIndex; }
/**
* Get the value of node Index.
*/
inline Standard_Integer GetIndex () const
{ return myIndex; }
/**
* Check if this is a free node, i.e., a node without a single
* incident triangle.
*/
inline Standard_Boolean IsFreeNode () const
{ return myTriangles == 0L; }
/**
* Reset the Node to void.
*/
Standard_EXPORT void Clear (const Handle(NCollection_BaseAllocator)&);
/**
* Connect a triangle to this Node.
*/
Standard_EXPORT void AddTriangle
(const Poly_CoherentTriangle& theTri,
const Handle(NCollection_BaseAllocator)& theA);
/**
* Disconnect a triangle from this Node.
*/
Standard_EXPORT Standard_Boolean
RemoveTriangle
(const Poly_CoherentTriangle& theTri,
const Handle(NCollection_BaseAllocator)& theA);
/**
* Create an iterator of incident triangles.
*/
inline Poly_CoherentTriPtr::Iterator
TriangleIterator () const
{ return * myTriangles; }
Standard_EXPORT void Dump (Standard_OStream& theStream) const;
// /**
// * Destructor.
// */
// Standard_EXPORT virtual ~Poly_CoherentNode ();
protected:
// ---------- PROTECTED METHODS ----------
private:
// ---------- PRIVATE FIELDS ----------
Standard_Real myUV[2];
Poly_CoherentTriPtr * myTriangles;
Standard_Integer myIndex;
Standard_ShortReal myNormal[3];
};
#endif
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