testMetricBalls.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/volumes/distance/ExactPredicateLpSeparableMetric.h"
#include "DGtal/geometry/volumes/distance/InexactPredicateLpSeparableMetric.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/kernel/BasicPointPredicates.h"
#include "DGtal/geometry/volumes/distance/DistanceTransformation.h"
#include "DGtal/io/colormaps/HueShadeColorMap.h"

Go to the source code of this file.

Functions
template<int norm>
bool	testExactMetricBalls ()
bool	testInexactMetricBalls (double norm)
int	main (int argc, char **argv)

Detailed Description

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

David Coeurjolly (david.nosp@m..coe.nosp@m.urjol.nosp@m.ly@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

2012/11/11

Functions for testing class MetricBalls.

This file is part of the DGtal library.

Definition in file testMetricBalls.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 121 of file testMetricBalls.cpp.

{
  trace.beginBlock ( "Testing class MetricBalls" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testExactMetricBalls<2>()
    && testExactMetricBalls<1>()
    && testExactMetricBalls<4>()
    && testExactMetricBalls<8>()
    && testInexactMetricBalls(1.4)
    && testInexactMetricBalls(43.1)
    && testInexactMetricBalls(0.8)
    ; // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::emphase(), DGtal::Trace::endBlock(), DGtal::Trace::info(), testInexactMetricBalls(), and DGtal::trace.

testExactMetricBalls()

template<int norm>

bool testExactMetricBalls

(

)

Definition at line 52 of file testMetricBalls.cpp.

{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  Z2i::Domain domain(Z2i::Point(0,0), Z2i::Point(64,64));
  typedef ExactPredicateLpSeparableMetric<Z2i::Space, norm> Metric;
  Z2i::DigitalSet set(domain);
  
  set.insertNew(Z2i::Point(32,32));
  typedef NotPointPredicate< Z2i::DigitalSet > NegPred;
  // SetPredicate<Z2i::DigitalSet> setpred(set); 
  NegPred predicate( set );
  
  typedef  DistanceTransformation< Z2i::Space, NegPred, Metric> DT;
  Metric metric;
  DT dt( &domain, &predicate, &metric);
  
  
  Board2D board;
  typedef HueShadeColorMap<typename DT::Value,2> Hue;
  board.setUnit ( LibBoard::Board::UCentimeter );
  Display2DFactory::drawImage<Hue> (board, dt,
                                  0.0,
                                  32*sqrt(2)/2.0);
  
  std::string title = "image-ball-" +  boost::lexical_cast<string>( norm )+".png" ;
#ifdef WITH_CAIRO
  board.saveCairo(title.c_str(), Board2D::CairoPNG );
#endif  
  return nbok == nb;
}

References domain, DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insertNew(), LibBoard::Board::saveCairo(), LibBoard::Board::setUnit(), and LibBoard::Board::UCentimeter.

testInexactMetricBalls()

bool testInexactMetricBalls

(

double

norm

)

Definition at line 85 of file testMetricBalls.cpp.

{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  Z2i::Domain domain(Z2i::Point(0,0), Z2i::Point(64,64));
  typedef InexactPredicateLpSeparableMetric<Z2i::Space> Metric;
  Z2i::DigitalSet set(domain);
  
  set.insertNew(Z2i::Point(32,32));
  typedef NotPointPredicate< Z2i::DigitalSet > NegPred;
  // SetPredicate<Z2i::DigitalSet> setpred(set); 
  NegPred predicate( set );
  
  typedef  DistanceTransformation< Z2i::Space, NegPred, Metric> DT;
  Metric metric(norm);
  DT dt( &domain, &predicate, &metric);
  
  
  Board2D board;
  typedef HueShadeColorMap< DT::Value,2> Hue;
  board.setUnit ( LibBoard::Board::UCentimeter );
  Display2DFactory::drawImage<Hue> (board, dt,
                                  0.0,
                                  32*sqrt(2)/2.0);
  
  std::string title = "image-ball-" +  boost::lexical_cast<string>( norm )+".png" ;
#ifdef WITH_CAIRO
  board.saveCairo(title.c_str(), Board2D::CairoPNG );
#endif  
  return nbok == nb;
}

References domain, DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insertNew(), LibBoard::Board::saveCairo(), LibBoard::Board::setUnit(), and LibBoard::Board::UCentimeter.

Referenced by main().