DGtal  0.9.3
Functions
exampleConstImageAdapter.cpp File Reference
#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/colormaps/HueShadeColorMap.h"
#include "DGtal/io/colormaps/GrayscaleColorMap.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/images/ConstImageAdapter.h"
Include dependency graph for exampleConstImageAdapter.cpp:

Go to the source code of this file.

Functions

int main ()
 

Detailed Description

An example 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
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
2012/12/4

This file is part of the DGtal library.

Definition in file exampleConstImageAdapter.cpp.

Function Documentation

◆ main()

int main ( )

[LogScaleFunctor]

[def]

[def]

[image_creation]

[image_creation]

[image_filling]

[image_filling]

[ConstImageAdapterForSubImage_creation]

[ConstImageAdapterForSubImage_creation]

[specificDomain_creation]

[specificDomain_creation]

[ConstImageAdapterForSpecificImage_creation]

[ConstImageAdapterForSpecificImage_creation]

[ConstImageAdapterForThresholderImage_creation]

[ConstImageAdapterForThresholderImage_creation]

[ConstImageAdapterForLogScale_creation]

[ConstImageAdapterForLogScale_creation]

Definition at line 76 of file exampleConstImageAdapter.cpp.

References DGtal::Trace::beginBlock(), LibBoard::Board::clear(), domain(), DGtal::Trace::endBlock(), image(), and DGtal::trace.

77 {
78  using namespace Z2i;
79 
80  Board2D aBoard;
81 
83  typedef HueShadeColorMap<unsigned char> HueShade; // a simple HueShadeColorMap varying on 'unsigned char' values
84  typedef HueShadeColorMap<double> HueShadeDouble; // a simple HueShadeColorMap varying on 'double' values
85  typedef GrayscaleColorMap<unsigned char> Gray; // a simple GrayscaleColorMap varying on 'unsigned char' values
86 
87  functors::Identity df; // a simple functor that just returns its argument
89 
90  trace.beginBlock("image");
91 
94  Domain domain(Point(1,1), Point(16,16));
95  Image image(domain);
97 
99  unsigned char i = 0;
100  for (Image::Iterator it = image.begin(); it != image.end(); ++it)
101  *it = i++;
103 
104  aBoard.clear();
105  Display2DFactory::drawImage<HueShade>(aBoard, image, (unsigned char)0, (unsigned char)255);
106  aBoard.saveSVG("image.svg");
107 
108  trace.endBlock();
109 
110  trace.beginBlock("subImage");
111 
114  Domain subDomain(Point(1,1), Point(8,8));
115  ConstImageAdapterForSubImage subImage(image, subDomain, df, df);
117 
118  aBoard.clear();
119  Display2DFactory::drawImage<HueShade>(aBoard, subImage, (unsigned char)0, (unsigned char)255);
120  aBoard.saveSVG("subImage.svg");
121 
122  trace.endBlock();
123 
124  trace.beginBlock("specificImage");
125 
127  DigitalSet set(domain);
128  for( unsigned int y=0; y < 17; y++)
129  for( unsigned int x=0; x < 17; x++)
130  if ((x%2) && (y%2))
131  set.insertNew(Point(x,y));
132 
133  DigitalSetDomain<DigitalSet> specificDomain(set);
135 
137  typedef ConstImageAdapter<Image, DigitalSetDomain<DigitalSet>, functors::Identity, Image::Value, functors::Identity > ConstImageAdapterForSpecificImage;
138  ConstImageAdapterForSpecificImage specificImage(image, specificDomain, df, df);
140 
141  aBoard.clear();
142  Display2DFactory::drawImage<HueShade>(aBoard, specificImage, (unsigned char)0, (unsigned char)255);
143  aBoard.saveSVG("specificImage.svg");
144 
145  trace.endBlock();
146 
147  trace.beginBlock("thresholderImage");
148 
152  ConstImageAdapterForThresholderImage thresholderImage(image, domain, df, t);
154 
155  aBoard.clear();
156  Display2DFactory::drawImage<Gray>(aBoard, thresholderImage, (unsigned char)0, (unsigned char)1);
157  aBoard.saveSVG("thresholderImage.svg");
158 
159  trace.endBlock();
160 
161  trace.beginBlock("logImage");
162 
165  LogScaleFunctor<Image::Value> logScale;
166  ConstImageAdapterForLogScale logImage(image, domain, df, logScale);
168 
169  aBoard.clear();
170  Display2DFactory::drawImage<HueShadeDouble>(aBoard, logImage, 0.0, logScale(255));
171  aBoard.saveSVG("logImage.svg");
172 
173  trace.endBlock();
174 
175  return 0;
176 }
void beginBlock(const std::string &keyword="")
DigitalSetSelector< Domain, BIG_DS+HIGH_BEL_DS >::Type DigitalSet
Definition: StdDefs.h:100
const Domain domain(Point(1, 2), Point(6, 5))
Trace trace
Definition: Common.h:137
double endBlock()
Aim: This class template may be used to (linearly) convert scalar values in a given range into a colo...
Aim: This class template may be used to (linearly) convert scalar values in a given range into gray l...
Aim: Define a simple default functor that just returns its argument.
Aim: A small functor with an operator () that compares one value to a threshold value according to tw...
void clear(const DGtal::Color &color=DGtal::Color::None)
Definition: Board.cpp:152
MyPointD Point
Definition: testClone2.cpp:383
ImageContainerBySTLVector< Domain, Value > Image
Aim: implements a const image adapter with a given domain (i.e. a subdomain) and 2 functors : g for d...
Image image(domain)
Aim: This class specializes a &#39;Board&#39; class so as to display DGtal objects more naturally (with <<)...
Definition: Board2D.h:70