testConstImageAdapter.cpp File Reference

A test file for ConstImageAdapter. More...

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigTest.h"
#include "DGtal/base/BasicFunctors.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/ConstImageAdapter.h"

Include dependency graph for testConstImageAdapter.cpp:

Go to the source code of this file.

Functions
template<typename R>
void	displayRange (const R &r)
int	main (int argc, char **argv)

Detailed Description

A test file for ConstImageAdapter.

This program 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 3 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, see http://www.gnu.org/licenses/.

Author

Tristan Roussillon (trist.nosp@m.an.r.nosp@m.oussi.nosp@m.llon.nosp@m.@liri.nosp@m.s.cn.nosp@m.rs.fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2012/02/13

Author

Martial Tola (marti.nosp@m.al.t.nosp@m.ola@l.nosp@m.iris.nosp@m..cnrs.nosp@m..fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2012/10/12

This file is part of the DGtal library.

Definition in file testConstImageAdapter.cpp.

Function Documentation

displayRange()

template<typename R>

void displayRange

(

const R &

r

)

Examples

io/viewers/viewer3D-7-stdplane.cpp.

Definition at line 52 of file testConstImageAdapter.cpp.

{
  typedef typename R::ConstIterator I; 
  for (I it = r.begin(), itEnd = r.end();
       it != itEnd; ++it)
    {
      trace.info() << *it << " "; 
    } 
  trace.info() << std::endl; 
}

References DGtal::trace.

main()

int main	(	int	argc,
		char **	argv )

[ConstImageAdapterConstruction]

[ConstImageAdapterConstruction]

[ConstImageAdapterRange]

[ConstImageAdapterRange]

Definition at line 64 of file testConstImageAdapter.cpp.

{
  unsigned int nbok = 0;
  unsigned int nb = 0;
    
  trace.beginBlock ( "Test for ConstImageAdapter" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  using namespace Z2i; 
 
  trace.beginBlock("Image creation");
 
  //domain
  const Integer size = 5; 
  Point p = Point::diagonal(0); 
  Point q = Point::diagonal(size-1); 
  Domain d(p,q); 
 
  //image
  typedef ImageSelector<Domain, int >::Type Image; 
  Image img(d); 
 
  //fill
  const int maximalValue = size*size; 
  Image::Range::OutputIterator it = img.range().outputIterator(); 
  for (int i = 0; i < maximalValue; ++i)
    *it++ = i;
 
  //display values 
  Image::ConstRange r = img.constRange(); 
  std::copy( r.begin(), r.end(), std::ostream_iterator<int>(cout,", ") ); 
  cout << endl; 
  trace.endBlock();
  
 
  const int thresholdValue = maximalValue/2; 
  trace.beginBlock("Implicit thresholding");

  functors::Identity g;
  DGtal::functors::Thresholder<Image::Value> t( thresholdValue );
  typedef ConstImageAdapter<Image, Domain, functors::Identity, bool, DGtal::functors::Thresholder<Image::Value> > MyConstImageAdapter;
  BOOST_CONCEPT_ASSERT(( concepts::CConstImage< MyConstImageAdapter > ));
  MyConstImageAdapter a(img, d, g, t); 
 
  //display values 
  ConstImageAdapter<Image, Domain, functors::Identity, bool, DGtal::functors::Thresholder<Image::Value> >::ConstRange 
    ra = a.constRange(); 
  std::copy( ra.begin(), ra.end(), std::ostream_iterator<int>(cout,", ") );
  cout << endl;
    
  std::vector<int> to_vector(25);
  std::copy(ra.begin(), ra.end(), to_vector.begin());
  for (int i = 0; i < 25; i++)
  {
    if (i<=12)
    {
     if (to_vector[i]==1)
     {
      cout << "ok, ";
      nbok +=  1 ; nb++;
     }
     else
     {
      cout << "!ok, ";
      nb++;
     }
    }
    else
    {
     if (to_vector[i]==0)
     {
      cout << "ok, ";
      nbok +=  1 ; nb++;
     }
     else
     {
      cout << "!ok, ";
      nb++;
     }
    }
  }
  
  cout << endl; 
 
  trace.endBlock();
 
  bool res = (nbok == nb);
  
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}

References DGtal::SimpleRandomAccessConstRangeFromPoint< TConstIterator, DistanceFunctor >::begin(), DGtal::Image< TImageContainer >::constRange(), DGtal::SimpleRandomAccessConstRangeFromPoint< TConstIterator, DistanceFunctor >::end(), DGtal::SimpleRandomAccessRangeFromPoint< TConstIterator, TIterator, DistanceFunctor >::outputIterator(), DGtal::Image< TImageContainer >::range(), and DGtal::trace.