PrTriangle.C

//===========================================================================
// GoTools - SINTEF Geometry Tools version 1.1
//
// GoTools module: parametrization
//
// Copyright (C) 2000-2005 SINTEF ICT, Applied Mathematics, Norway.
//
// This program is free software; you can redistribute it and/or          
// modify it under the terms of the GNU General Public License            
// as published by the Free Software Foundation version 2 of the License. 
//
// This program is distributed in the hope that it will be useful,        
// but WITHOUT ANY WARRANTY; without even the implied warranty of         
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          
// GNU General Public License for more details.                           
//
// You should have received a copy of the GNU General Public License      
// along with this program; if not, write to the Free Software            
// Foundation, Inc.,                                                      
// 59 Temple Place - Suite 330,                                           
// Boston, MA  02111-1307, USA.                                           
//
// Contact information: E-mail: tor.dokken@sintef.no                      
// SINTEF ICT, Department of Applied Mathematics,                         
// P.O. Box 124 Blindern,                                                 
// 0314 Oslo, Norway.                                                     
//
// Other licenses are also available for this software, notably licenses
// for:
// - Building commercial software.                                        
// - Building software whose source code you wish to keep private.        
//===========================================================================
#include "PrTriangle.h"
#include <iostream>

// MEMBER FUNCTIONS

//-----------------------------------------------------------------------------
int PrTriangle::getOppositeTriangle(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node) return t1_;
  else if(n2_ == node) return t2_;
  else if(n3_ == node) return t3_;
  else return -1;
}

//-----------------------------------------------------------------------------
int PrTriangle::getLeftTriangle(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node) return t2_;
  else if(n2_ == node) return t3_;
  else if(n3_ == node) return t1_;
  else return -1;
}

//-----------------------------------------------------------------------------
int PrTriangle::getRightTriangle(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node) return t3_;
  else if(n2_ == node) return t1_;
  else if(n3_ == node) return t2_;
  else return -1;
}

//-----------------------------------------------------------------------------
int PrTriangle::getAnticlockwiseNode(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node) return n2_;
  else if(n2_ == node) return n3_;
  else if(n3_ == node) return n1_;
  else return -1;
}

//-----------------------------------------------------------------------------
int PrTriangle::getClockwiseNode(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node) return n3_;
  else if(n2_ == node) return n1_;
  else if(n3_ == node) return n2_;
  else return -1;
}

//-----------------------------------------------------------------------------
bool PrTriangle::isVertex(int node) const
//-----------------------------------------------------------------------------
{
  if(n1_ == node || n2_ == node || n3_ == node) return true;
  else return false;
}

//-----------------------------------------------------------------------------
void PrTriangle::replaceNode(int n1, int n2)
//-----------------------------------------------------------------------------
{
  if(n1_ == n1) n1_ = n2;
  else if(n2_ == n1) n2_ = n2;
  else if(n3_ == n1) n3_ = n2;
}

//-----------------------------------------------------------------------------
void PrTriangle::replaceTriangle(int t1, int t2)
//-----------------------------------------------------------------------------
{
  if(t1_ == t1) t1_ = t2;
  else if(t2_ == t1) t2_ = t2;
  else if(t3_ == t1) t3_ = t2;
}

//-----------------------------------------------------------------------------
int PrTriangle::getEdge(int triangle, int &n1, int &n2) const
//-----------------------------------------------------------------------------
{
   if (t1_==triangle)
   {
      n1=n2_;
      n2=n3_;
   } else if (t2_==triangle)
   {
      n1=n3_;
      n2=n1_;
   } else if (t3_==triangle)
   {
      n1=n1_;
      n2=n2_;
   } else
      return false;
   return true;
}



//-----------------------------------------------------------------------------
void PrTriangle::print(std::ostream& os) const
//-----------------------------------------------------------------------------
{
  os << n1_ << ' ' << n2_ << ' ' << n3_ << "    "
     << t1_ << ' ' << t2_ << ' ' << t3_ << std::endl;
}
//-----------------------------------------------------------------------------

void PrTriangle::scan(std::istream& is)
//-----------------------------------------------------------------------------
{
  is >> n1_ >> n2_ >> n3_ >> t1_ >> t2_ >> t3_;
}

---