ExampleArray2D.cpp

Example for usage of class Array2D

Author

MIP

/* 
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
Multimediale Systeme der Informationsverarbeitung
Institut fuer Informatik
Christian-Albrechts-Universitaet Kiel


BIAS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

BIAS 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


/**
   @example ExampleArray2D.cpp
   @relates Array2D
   @brief Example for usage of class Array2D
   @ingroup g_examples
   @author MIP
*/

#include <Base/Common/Array2D.hh>
#include <iostream>

using namespace BIAS;
using namespace std;

/** \cond POORLY_NAMED_EXAMPLE_CLASSES **/
/* foo */
class foo 
{
public:
  void set(const double d) { data=d; }
  double get() const { return data; }
protected:
  double data;
};

void print(Array2D<foo> &a)
{
  const unsigned nr = a.nrows(), nc = a.ncols();
  cout << nr << " x "<< nc <<" :\n";
  for (unsigned r=0; r<nr; r++){
    for (unsigned c=0; c<nc; c++){
      cout << a(r,c).get() << "\t";
    }
    cout << "\n";
  }
}
/** \endcond */

int main()
{
  Array2D<foo> array;
  cout << "empty Array2D: ";
  print(array);
  cout << "empty() = "<<boolalpha<<array.empty()<<endl;

  array.resize(2,2);
  cout << "empty Array2D of size 2x2 : ";
  print(array);

  foo f;
  f.set(2.0);
  array.fill(f);
  cout << "filled Array2D of size 2x2 : ";
  print(array);
  

  array.resize(3,3);
  cout << "partially filled Array2D of size 3x3 : ";
  print(array);

  Array2D<foo>::iterator it;
  int i=0;
  for (it = array.begin(); it!=array.end(); it++, i++){
    it->set((double)i);
  }
  cout << "filled Array2D of size 3x3 : ";
  print(array);
  
  cout << "array[1][1] = "<<array[1][1].get()<<endl;

  // should  throw
  //cout << array(3,3).get()<<endl;

  return 0;
}