KVIDCutLine.cpp

/*
$Id: KVIDCutLine.cpp,v 1.2 2009/03/03 13:36:00 franklan Exp $
$Revision: 1.2 $
$Date: 2009/03/03 13:36:00 $
*/
 
//Created by KVClassFactory on Fri Feb 15 15:00:17 2008
//Author: franklan
 
#include "KVIDCutLine.h"
#include "Riostream.h"
#include "KVIDGraph.h"
 
using namespace std;
 
ClassImp(KVIDCutLine)
 
 
 
KVIDCutLine::KVIDCutLine()
{
   // Default constructor
   SetTitle("cut line");
}
 
 
 
 
KVIDCutLine::~KVIDCutLine()
{
   // Destructor
}
 
 
 
 
Bool_t KVIDCutLine::TestPoint(Double_t x, Double_t y)
{
   // Test whether point \f$(x,y)\f$ is in the acceptable region defined
   // by this cut line and the direction given to SetAcceptedDirection()
   //
   // e.g. if the accepted direction has been set to `left`,
   // the point \f$(x,y)\f$ must be to the left of this line in
   // order for this method to return kTRUE.
   //
   // If no accepted direction has been defined, the cut is inoperative (all points are accepted)
   // and an error message is printed
 
   if(!IsAcceptedDirectionSet())
   {
      KVError::Error(this, "TestPoint(x,y)", "No accepted direction defined for cut %s in grid %s: all points accepted",
                     GetName(), GetParent()->GetName());
      return true;
   }
   return WhereAmI(x, y, fAcceptedDirection.Data());
}
 
 
 
 
const Char_t* KVIDCutLine::GetSelectionType() const
{
   // \return give name of selection made by cut
   if(!IsAcceptedDirectionSet())
      return "???";
   return Form("accept %s", GetAcceptedDirection());
}
 
 
 
 
 
void KVIDCutLine::WriteAsciiFile_extras(ofstream& file, const Char_t*)
{
   // Write accepted direction for cut
 
   if (!IsAcceptedDirectionSet())
   {
      KVError::Error(this, "WriteAsciiFile_extras", "No accepted direction defined for cut %s in grid %s: all points accepted",
                     GetName(), GetParent()->GetName());
      file << "[undefined accepted direction]" << endl;
   }
   else file << fAcceptedDirection.Data() << endl;
}
 
 
 
 
 
void KVIDCutLine::ReadAsciiFile_extras(ifstream& file)
{
   // Read accepted direction for cut
 
   fAcceptedDirection.ReadLine(file);
   if (fAcceptedDirection == "[undefined accepted direction]")
   {
      fAcceptedDirection = "";
      KVError::Error(this, "ReadAsciiFile_extras", "No accepted direction defined for cut %s in grid %s: all points accepted",
                     GetName(), GetParent() ? GetParent()->GetName() : "???");
   }
}