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  • Committer: Package Import Robot
  • Author(s): Anton Gladky
  • Date: 2011-11-18 21:47:18 UTC
  • Revision ID: package-import@ubuntu.com-20111118214718-4ysqm3dhpqwdd7gd
Tags: upstream-0.99~bzr106
Import upstream version 0.99~bzr106

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geometry/Plane.cc
 
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/////////////////////////////////////////////////////////////
 
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//                                                         //
 
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// Copyright (c) 2007-2011 by The University of Queensland //
 
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// Earth Systems Science Computational Centre (ESSCC)      //
 
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// http://www.uq.edu.au/esscc                              //
 
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//                                                         //
 
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// Primary Business: Brisbane, Queensland, Australia       //
 
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// Licensed under the Open Software License version 3.0    //
 
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// http://www.opensource.org/licenses/osl-3.0.php          //
 
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//                                                         //
 
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/////////////////////////////////////////////////////////////
 
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#include "Plane.h"
 
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// --- system includes ---
 
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#include <cmath>
 
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using std::fabs;
 
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Plane::Plane()
 
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{
 
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  m_p=Vector3(0.0,0.0,0.0);
 
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  m_normal=Vector3(1.0,0.0,0.0);
 
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}
 
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/*!
 
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  construct plane from origin and normal
 
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  \param orig a point within the plane
 
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  \param normal the normal of the plane (will be normalized)
 
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*/
 
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Plane::Plane(const Vector3& orig,const Vector3& normal)
 
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{
 
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  m_p=orig;
 
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  m_normal=normal.unit();
 
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}
 
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/*!
 
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  Get the distance of a point from the line
 
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  \param p the point
 
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*/
 
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double Plane::getDist(const Vector3& p) const
 
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{
 
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  return fabs((p-m_p)*m_normal);
 
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}
 
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ostream& operator<< (ostream& ost, const Plane& P)
 
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{
 
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  ost << P.m_p << "-" << P.m_normal;
 
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  return ost;
 
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}