DGtal  0.9.3
Functions
testVoronoiCovarianceMeasure.cpp File Reference
#include <iostream>
#include <vector>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/volumes/estimation/VoronoiCovarianceMeasure.h"
#include "DGtal/geometry/tools/SpatialCubicalSubdivision.h"
Include dependency graph for testVoronoiCovarianceMeasure.cpp:

Go to the source code of this file.

Functions

bool testVoronoiCovarianceMeasure ()
 
int main (int, char **)
 

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
Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
Date
2014/02/09

Functions for testing class VoronoiCovarianceMeasure, and also IntegralInvariantEstimator.

This file is part of the DGtal library.

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
Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France
Date
2014/02/09

Functions for testing class VoronoiCovarianceMeasure.

This file is part of the DGtal library.

Definition in file testVoronoiCovarianceMeasure.cpp.

Function Documentation

◆ main()

int main ( int  ,
char **   
)

Definition at line 112 of file testVoronoiCovarianceMeasure.cpp.

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

113 {
114  using namespace std;
115  using namespace DGtal;
116  trace.beginBlock ( "Testing VoronoiCovarianceMeasure ..." );
117  bool res = testVoronoiCovarianceMeasure();
118  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
119  trace.endBlock();
120  return res ? 0 : 1;
121 }
void beginBlock(const std::string &keyword="")
bool testVoronoiCovarianceMeasure()
Trace trace
Definition: Common.h:137
STL namespace.
double endBlock()
std::ostream & emphase()
DGtal is the top-level namespace which contains all DGtal functions and types.

◆ testVoronoiCovarianceMeasure()

bool testVoronoiCovarianceMeasure ( )

Example of a test. To be completed.

Definition at line 48 of file testVoronoiCovarianceMeasure.cpp.

References DGtal::HyperRectDomain< TSpace >::begin(), DGtal::Trace::beginBlock(), domain(), DGtal::HyperRectDomain< TSpace >::end(), DGtal::Trace::endBlock(), DGtal::Trace::info(), DGtal::HyperRectDomain< TSpace >::size(), and DGtal::trace.

Referenced by main().

49 {
50  unsigned int nbok = 0;
51  unsigned int nb = 0;
52 
53  using namespace DGtal;
54  using namespace DGtal::Z3i; // gets Space, Point, Domain
55  trace.beginBlock ( "testVoronoiCovarianceMeasure" );
58  typedef VCM::MatrixNN Matrix;
59 
60  Point a(0,0);
61  Point c(32,32,32);
62  Domain domain(a,c);
63  std::vector<Point> pts;
64  pts.push_back( Point( 10,10,10 ) );
65  pts.push_back( Point( 10,10,11 ) );
66  pts.push_back( Point( 10,11,11 ) );
67  pts.push_back( Point( 11,11,12 ) );
68  pts.push_back( Point( 11,12,12 ) );
69  pts.push_back( Point( 11,12,12 ) );
70  pts.push_back( Point( 12,12,12 ) );
71  pts.push_back( Point( 20,20,15 ) );
72  pts.push_back( Point( 30,10,25 ) );
73  pts.push_back( Point( 25,25,20 ) );
74  Metric l2;
75  VCM vcm( 5.0, 4.0, l2, true );
76  vcm.init( pts.begin(), pts.end() );
77  Domain d = vcm.domain();
78  double sum_dist = 0.0;
79  std::map<Point,int> sizeCells;
80  for ( Domain::ConstIterator it = d.begin(), itE = d.end(); it != itE; ++it )
81  {
82  sum_dist += l2( *it, vcm.voronoiMap()( *it ) );
83  sizeCells[ vcm.voronoiMap()( *it ) ] += 1;
84  }
85  double avg_dist = ( sum_dist / d.size() );
86  trace.info() << "Average distance is " << avg_dist << std::endl;
87  nbok += ( 9 <= avg_dist && avg_dist <= 11 ) ? 1 : 0;
88  nb++;
89  trace.info() << "(" << nbok << "/" << nb << ") "
90  << "9 <= " << avg_dist << " <= 11 " << std::endl;
91  for ( std::map<Point,int>::const_iterator it = sizeCells.begin(), itE = sizeCells.end();
92  it != itE; ++it )
93  trace.info() << "Nb(" << it->first << ")=" << it->second << std::endl;
94  nbok += sizeCells.size() == 9 ? 1 : 0;
95  nb++;
96  trace.info() << "(" << nbok << "/" << nb << ") "
97  << "sizeCells.size() == 10" << std::endl;
98 
100  Matrix vcm_r = vcm.measure( chi_r, Point( 10,10,10 ) );
101  trace.info() << "- vcm_r.row(0) = " << vcm_r.row( 0 ) << std::endl;
102  trace.info() << "- vcm_r.row(1) = " << vcm_r.row( 1 ) << std::endl;
103  trace.info() << "- vcm_r.row(2) = " << vcm_r.row( 2 ) << std::endl;
104  trace.endBlock();
105 
106  return nbok == nb;
107 }
void beginBlock(const std::string &keyword="")
const ConstIterator & end() const
Z3i this namespace gathers the standard of types for 3D imagery.
const Domain domain(Point(1, 2), Point(6, 5))
Trace trace
Definition: Common.h:137
double endBlock()
Aim: implements separable l_p metrics with exact predicates.
const ConstIterator & begin() const
DGtal is the top-level namespace which contains all DGtal functions and types.
Space::Point Point
Definition: StdDefs.h:168
std::ostream & info()