DGtal  0.9.3
Functions
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"
Include dependency graph for testMetricBalls.cpp:

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.

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

122 {
123  trace.beginBlock ( "Testing class MetricBalls" );
124  trace.info() << "Args:";
125  for ( int i = 0; i < argc; ++i )
126  trace.info() << " " << argv[ i ];
127  trace.info() << endl;
128 
129  bool res = testExactMetricBalls<2>()
130  && testExactMetricBalls<1>()
131  && testExactMetricBalls<4>()
132  && testExactMetricBalls<8>()
133  && testInexactMetricBalls(1.4)
134  && testInexactMetricBalls(43.1)
135  && testInexactMetricBalls(0.8)
136  ; // && ... other tests
137  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
138  trace.endBlock();
139  return res ? 0 : 1;
140 }
void beginBlock(const std::string &keyword="")
Trace trace
Definition: Common.h:137
double endBlock()
std::ostream & emphase()
bool testInexactMetricBalls(double norm)
std::ostream & info()

◆ testExactMetricBalls()

template<int norm>
bool testExactMetricBalls ( )

Definition at line 52 of file testMetricBalls.cpp.

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

53 {
54  unsigned int nbok = 0;
55  unsigned int nb = 0;
56 
60 
61  set.insertNew(Z2i::Point(32,32));
63  // SetPredicate<Z2i::DigitalSet> setpred(set);
64  NegPred predicate( set );
65 
67  Metric metric;
68  DT dt( &domain, &predicate, &metric);
69 
70 
71  Board2D board;
74  Display2DFactory::drawImage<Hue> (board, dt,
75  0.0,
76  32*sqrt(2)/2.0);
77 
78  std::string title = "image-ball-" + boost::lexical_cast<string>( norm )+".png" ;
79 #ifdef WITH_CAIRO
80  board.saveCairo(title.c_str(), Board2D::CairoPNG );
81 #endif
82  return nbok == nb;
83 }
Aim: The predicate returns true when the point predicate given at construction return false...
Aim: Implementation of the linear in time distance transformation for separable metrics.
const Domain domain(Point(1, 2), Point(6, 5))
Aim: This class template may be used to (linearly) convert scalar values in a given range into a colo...
void saveCairo(const char *filename, CairoType type=CairoPNG, PageSize size=Board::BoundingBox, double margin=10.0) const
Definition: Board.cpp:1139
Aim: implements separable l_p metrics with exact predicates.
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
void setUnit(Unit unit)
Definition: Board.cpp:240
Aim: This class specializes a &#39;Board&#39; class so as to display DGtal objects more naturally (with <<)...
Definition: Board2D.h:70

◆ testInexactMetricBalls()

bool testInexactMetricBalls ( double  norm)

Definition at line 85 of file testMetricBalls.cpp.

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

Referenced by main().

86 {
87  unsigned int nbok = 0;
88  unsigned int nb = 0;
89 
93 
94  set.insertNew(Z2i::Point(32,32));
96  // SetPredicate<Z2i::DigitalSet> setpred(set);
97  NegPred predicate( set );
98 
100  Metric metric(norm);
101  DT dt( &domain, &predicate, &metric);
102 
103 
104  Board2D board;
105  typedef HueShadeColorMap< DT::Value,2> Hue;
107  Display2DFactory::drawImage<Hue> (board, dt,
108  0.0,
109  32*sqrt(2)/2.0);
110 
111  std::string title = "image-ball-" + boost::lexical_cast<string>( norm )+".png" ;
112 #ifdef WITH_CAIRO
113  board.saveCairo(title.c_str(), Board2D::CairoPNG );
114 #endif
115  return nbok == nb;
116 }
Aim: The predicate returns true when the point predicate given at construction return false...
Aim: Implementation of the linear in time distance transformation for separable metrics.
const Domain domain(Point(1, 2), Point(6, 5))
Aim: implements separable l_p metrics with approximated predicates.
Aim: This class template may be used to (linearly) convert scalar values in a given range into a colo...
void saveCairo(const char *filename, CairoType type=CairoPNG, PageSize size=Board::BoundingBox, double margin=10.0) const
Definition: Board.cpp:1139
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
void setUnit(Unit unit)
Definition: Board.cpp:240
Aim: This class specializes a &#39;Board&#39; class so as to display DGtal objects more naturally (with <<)...
Definition: Board2D.h:70