/* -*- mode: c++ -*- 
*/
/* 

    GIFT, a flexible content based image retrieval system.
    Copyright (C) 1998, 1999, 2000 CUI, University of Geneva

    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; either version 2 of the License, or
    (at your option) any later version.

    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

*/

/* this file is mainly obsolete, because the surrounding test programs
   have been deleted 

   WM
*/

#ifndef _HELPERS
#define _HELPERS

#include <string>
#include <iostream>
#include <fstream>

extern string gMasterNameBase;
extern int gNumberOfImages;

float indexToX(int inIndex);

float indexToY(int inIndex);



//getting a random ID
int getRandomID();

//Translating an index to a point in 2d-space
//then translating it to euclidean distance
float indexToDistance(int inIndexI,int inIndexJ);

string makeName(int inNumber,string inBase="Outfile.txt");

template<class TTIterator>
void show_singles_as_points(const TTIterator& inBegin,
			    const TTIterator& inEnd,
			    const string& inFileNameBase=string("Outfile.txt"),
			    int inFileNumber){
  string lFileName=makeName(inFileNumber,inFileNameBase);

  ofstream lOut(lFileName.c_str());

  for(TTIterator i=inBegin;
      i!=inEnd;
      i++){
    lOut << indexToX(*i)
	 << " " 
	 << indexToY(*i)
	 << " " 
	 << 0
	 << endl 
	 << flush;
  }
}

template<class TTIterator>
void show_pairs(const TTIterator& inBegin,
		const TTIterator& inEnd,
		const string& inFileNameBase=string("Outfile.txt")){
  static int lFileNumber=0;
  lFileNumber++;

  string lFileName=makeName(lFileNumber,inFileNameBase);

  ofstream lOut(lFileName.c_str());

  for(TTIterator i=inBegin;
      i!=inEnd;
      i++){
    lOut << indexToX(i->first)
	 << " " 
	 << indexToY(i->first)
	 << " " 
	 << i->second 
	 << endl 
	 << flush;
  }
}


template<class TTIterator>
void show_ProbabilisticSetElements(const TTIterator& inBegin,
				   const TTIterator& inEnd,
				   const string& inFileNameBase
				   =string("Outfile.txt"),
				   const bool inConvertToPairs=false
				   ){

  static int lFileNumber=0;
  lFileNumber++;

  string lFileName=makeName(lFileNumber,
			    inFileNameBase);

  ofstream lOut(lFileName.c_str());

  for(TTIterator i=inBegin;
      i!=inEnd;
      i++){
    if(inConvertToPairs){
      lOut << indexToX(i->getContent())
	   << " " 
	   << indexToY(i->getContent())
	   << " " 
	   << i->getProbability() 
	   << endl 
	   << flush;
    }else{
      lOut << i->getContent()
	   << " " 
	   << i->getProbability() 
	   << endl 
	   << flush;
    }
  }
}

#endif

Documentation generated by muellerw@pc7170 on Son Okt 8 16:04:40 CEST 2000