DGtal  1.4.beta
Functions
testImagesSetsUtilities.cpp File Reference
DGtal Test Files
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/images/imagesSetsUtils/ImageFromSet.h"
#include "DGtal/images/imagesSetsUtils/SetFromImage.h"
#include "DGtal/kernel/sets/DigitalSetInserter.h"
#include "DGtal/images/ImageHelper.h"
#include "DGtal/images/ImageContainerBySTLMap.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigTest.h"
Include dependency graph for testImagesSetsUtilities.cpp:

Go to the source code of this file.

Functions

bool testImageFromSet ()
 
bool testSetFromImage ()
 
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
2011/03/26
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
2012/02/15

Functions for testing ImageHelper functions.

This file is part of the DGtal library.

Definition in file testImagesSetsUtilities.cpp.

Function Documentation

◆ main()

int main ( int  argc,
char **  argv 
)

Definition at line 229 of file testImagesSetsUtilities.cpp.

230 {
231  trace.beginBlock ( "Testing class ImageHelper functions" );
232  trace.info() << "Args:";
233  for ( int i = 0; i < argc; ++i )
234  trace.info() << " " << argv[ i ];
235  trace.info() << endl;
236 
237  bool res = testImageFromSet() && testSetFromImage();
238  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
239  trace.endBlock();
240  return res ? 0 : 1;
241 }
DGtal::Trace::beginBlock
void beginBlock(const std::string &keyword="")
DGtal::Trace::emphase
std::ostream & emphase()
DGtal::Trace::info
std::ostream & info()
DGtal::Trace::endBlock
double endBlock()
DGtal::trace
Trace trace
Definition: Common.h:153
testImageFromSet
bool testImageFromSet()
Definition: testImagesSetsUtilities.cpp:79
testSetFromImage
bool testSetFromImage()
Definition: testImagesSetsUtilities.cpp:135

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

◆ testImageFromSet()

bool testImageFromSet ( )

Example of a test. To be completed.

Definition at line 79 of file testImagesSetsUtilities.cpp.

80 {
81 
82  typedef ImageContainerBySTLVector<Domain,int> Image;
83 
84  unsigned int nbok = 0;
85  unsigned int nb = 0;
86 
87  trace.beginBlock ( "Testing ImageFromSet ..." );
88 
89  Point a(0,0);
90  Point b(23,435);
91  Point c(12,12);
92 
93  Domain d(a,b);
94  DigitalSet aSet(d);
95  aSet.insert(c);
96 
97  Image image(d);
98  //assign to the points belonging to aSet the value 128
99  imageFromRangeAndValue(aSet, image, 128);
100  //ie. the value of c is 128 but the value of a remains 0
101  nbok += ( (image(c) == 128)&&(image(a) == 0) ) ? 1 : 0;
102  nb++;
103  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
104 
105  Image image2(d);
106  Norm1<Point> n;
107  //fill image2 from n
108  imageFromFunctor(image2, n);
109  nbok += ( (image2(c) == (int)c.norm1())
110  &&(image2(a) == (int)a.norm1())
111  &&(image2(b) == (int)b.norm1()) )? 1 : 0;
112  nb++;
113  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
114 
115  Image image3 = image;
116  //fill image3 from image2
117  imageFromImage(image3, const_cast<Image const&>(image2));
118  //image2 and image3 should be equal,
119  //but both different from image
120  Image::ConstRange rimg = image.constRange();
121  Image::ConstRange rimg2 = image2.constRange();
122  Image::ConstRange rimg3 = image3.constRange();
123  bool flag2 = std::equal(rimg.begin(), rimg.end(), rimg2.begin());
124  bool flag3 = std::equal(rimg.begin(), rimg.end(), rimg3.begin());
125  bool flag23 = std::equal(rimg2.begin(), rimg2.end(), rimg3.begin());
126  nbok += ( (!flag2) && (!flag3) && flag23 )?1:0;
127  nb++;
128  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
129 
130  trace.endBlock();
131 
132  return nbok == nb;
133 }
DGtal::DigitalSetByAssociativeContainer
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
Definition: DigitalSetByAssociativeContainer.h:90
DGtal::Image
Aim: implements association bewteen points lying in a digital domain and values.
Definition: Image.h:70
DGtal::Image::constRange
ConstRange constRange() const
Definition: Image.h:203
DGtal::SimpleRandomAccessConstRangeFromPoint
Aim: model of CConstBidirectionalRangeFromPoint that adapts any range of elements bounded by two iter...
Definition: SimpleRandomAccessConstRangeFromPoint.h:74
DGtal::imageFromFunctor
void imageFromFunctor(I &aImg, const F &aFun)
DGtal::imageFromImage
void imageFromImage(I1 &aImg1, const I2 &aImg2)
DGtal::imageFromRangeAndValue
void imageFromRangeAndValue(const It &itb, const It &ite, Im &aImg, const typename Im::Value &aValue=0)
image
Image image(domain)
Image
ImageContainerBySTLVector< Domain, Value > Image
Definition: testSimpleRandomAccessRangeFromPoint.cpp:45

References DGtal::SimpleRandomAccessConstRangeFromPoint< TConstIterator, DistanceFunctor >::begin(), DGtal::Trace::beginBlock(), DGtal::Image< TImageContainer >::constRange(), DGtal::SimpleRandomAccessConstRangeFromPoint< TConstIterator, DistanceFunctor >::end(), DGtal::Trace::endBlock(), image(), DGtal::imageFromFunctor(), DGtal::imageFromImage(), DGtal::imageFromRangeAndValue(), DGtal::Trace::info(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insert(), and DGtal::trace.

Referenced by main().

◆ testSetFromImage()

bool testSetFromImage ( )

Definition at line 135 of file testImagesSetsUtilities.cpp.

136 {
137  unsigned int nbok = 0;
138  unsigned int nb = 0;
139 
140  trace.beginBlock ( "Testing SetFromImage ..." );
141 
142  //some points
143  Point a(0,0);
144  Point b(3,3);
145  Point p(1,1);
146  Point q(2,2);
147  Point r(1,2);
148 
149  //image construction
150  typedef ImageContainerBySTLMap<Domain,int> Image;
151  Domain d(a,b);
152  Image image(d,1);
153  image.setValue(p,127);
154  image.setValue(q,128);
155  image.setValue(r,10);
156 
157  //image content
158  Image::ConstRange range = image.constRange();
159  std::copy(range.begin(), range.end(), ostream_iterator<Image::Value>(cout, " ") );
160  cout << endl;
161 
162  //set tests
163 
164  DigitalSet aSet(d);
165  DigitalSetInserter<DigitalSet> inserter(aSet);
166  //all points whose value <= 126
167  setFromImage( image, inserter, 126 );
168  //ie, all points except p and q
169  nbok += ( (aSet.find(p) == aSet.end())
170  &&(aSet.find(q) == aSet.end())
171  &&(aSet.size()==(d.size()-2)) ) ? 1 : 0;
172  nb++;
173  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
174 
175  DigitalSet aSet2(d);
176  DigitalSetInserter<DigitalSet> inserter2(aSet2);
177  //all points whose value <= 127
178  setFromImage( image, inserter2, 127 );
179  //ie, all points except q
180  nbok += ( (aSet2.find(q) == aSet2.end())
181  &&(aSet2.size()==(d.size()-1)) ) ? 1 : 0;
182  nb++;
183  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
184 
185  DigitalSet aSet3(d);
186  DigitalSetInserter<DigitalSet> inserter3(aSet3);
187  //all points whose value <= 128
188  setFromImage( image, inserter3, 128 );
189  //ie, all points
190  nbok += ( aSet3.size()==d.size() ) ? 1 : 0;
191  nb++;
192  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
193 
194  DigitalSet aSet4(d);
195  DigitalSetInserter<DigitalSet> inserter4(aSet4);
196  //all points whose value is between 2 and 100
197  setFromImage( image, inserter4, 2, 100 );
198  //ie, only point r
199  nbok += ( (aSet4.find(r)!=aSet4.end())&&(aSet4.size()==1) ) ? 1 : 0;
200  nb++;
201  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
202 
203  DigitalSet aSet5(d);
204  DigitalSetInserter<DigitalSet> inserter5(aSet5);
205  //predicate construction
206  using ValuePredicate = std::function<bool(const Image::Value &)>;
207  ValuePredicate equalTo1 = [](const Image::Value & v)
208  {
209  return v == 1;
210  };
211  functors::PointFunctorPredicate<Image, ValuePredicate> pred(image, equalTo1);
212  //all points whose value is 1
213  setFromPointsRangeAndPredicate( d.begin(), d.end(), inserter5, pred );
214  //ie all points except p, q, and r
215  nbok += ( (aSet5.find(p) == aSet5.end())
216  &&(aSet5.find(q) == aSet5.end())
217  &&(aSet5.find(r) == aSet5.end())
218  &&(aSet5.size()==(d.size()-3)) ) ? 1 : 0;
219  nb++;
220  trace.info() << "(" << nbok << "/" << nb << ") " << std::endl;
221 
222 
223  return nbok == nb;
224 }
DGtal::DigitalSetInserter
Aim: this output iterator class is designed to allow algorithms to insert points in the digital set....
Definition: DigitalSetInserter.h:66
DGtal::setFromImage
void setFromImage(const I &aImg, const O &ito, const typename I::Value &aThreshold=0)
DGtal::setFromPointsRangeAndPredicate
void setFromPointsRangeAndPredicate(const I &itb, const I &ite, const O &ito, const P &aPred)
useful functions
DGtal::functors::PointFunctorPredicate
Aim: The predicate returns true when the predicate returns true for the value assigned to a given poi...
Definition: BasicPointPredicates.h:371

References DGtal::HyperRectDomain< TSpace >::begin(), DGtal::Trace::beginBlock(), DGtal::HyperRectDomain< TSpace >::end(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::end(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::find(), image(), DGtal::Trace::info(), DGtal::setFromImage(), DGtal::setFromPointsRangeAndPredicate(), DGtal::HyperRectDomain< TSpace >::size(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::size(), and DGtal::trace.

Referenced by main().