DGtal  0.9.4.1
Functions
freemanChainFromImage.cpp File Reference
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
#include "DGtal/io/readers/PGMReader.h"
#include "DGtal/images/imagesSetsUtils/SetFromImage.h"
#include "DGtal/topology/helpers/Surfaces.h"
#include "DGtal/geometry/curves/FreemanChain.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "DGtal/io/Color.h"
Include dependency graph for freemanChainFromImage.cpp:

Go to the source code of this file.

Functions

int main ()
 

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
Bertrand Kerautret (kerau.nosp@m.tre@.nosp@m.loria.nosp@m..fr ) LORIA (CNRS, UMR 7503), University of Nancy, France
Date
2010/12/01

An example of FreemanChain display with background source image.

This file is part of the DGtal library.

Definition in file freemanChainFromImage.cpp.

Function Documentation

◆ main()

int main ( )

[freemanChainFromImage-displayIncludes]

[freemanChainFromImage-imageImport]

[freemanChainFromImage-imageImport]

[freemanChainFromImage-ksspace]

[freemanChainFromImage-ksspace]

[freemanChainFromImage-setAppend]

[freemanChainFromImage-setAppend]

[freemanChainFromImage-displaySet]

[freemanChainFromImage-displaySet]

[freemanChainFromImage-adj]

[freemanChainFromImage-adj]

[freemanChainFromImage-extraction]

[freemanChainFromImage-extraction]

[freemanChainFromImage-fcConstruction]

[freemanChainFromImage-fcConstruction] [freemanChainFromImage-fcdysplay]
[freemanChainFromImage-fcdysplay]

Definition at line 63 of file freemanChainFromImage.cpp.

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::Surfaces< TKSpace >::extractAllPointContours4C(), image(), DGtal::PGMReader< TImageContainer, TFunctor >::importPGM(), DGtal::KhalimskySpaceND< dim, TInteger >::init(), and DGtal::Color::None.

64 {
65 
68  std::string filename = examplesPath + "samples/circleR10modif.pgm";
69  Image image = DGtal::PGMReader<Image>::importPGM(filename);
71 
73  Z2i::KSpace ks;
74  ks.init( image.domain().lowerBound(), image.domain().upperBound(), true );
76 
78  Z2i::DigitalSet set2d (image.domain());
81 
82 
84  Board2D aBoard;
85  aBoard << set2d;
86  aBoard << image.domain();
88 
90  SurfelAdjacency<2> sAdj( true );
92 
94  std::vector< std::vector< Z2i::Point > > vectContoursBdryPointels;
95  Surfaces<Z2i::KSpace>::extractAllPointContours4C( vectContoursBdryPointels,
96  ks, set2d, sAdj );
98 
99 
100  GradientColorMap<int> cmap_grad( 0, (const int)vectContoursBdryPointels.size() );
101  cmap_grad.addColor( Color( 50, 50, 255 ) );
102  cmap_grad.addColor( Color( 255, 0, 0 ) );
103  cmap_grad.addColor( Color( 255, 255, 10 ) );
104  cmap_grad.addColor( Color( 25, 255, 255 ) );
105  cmap_grad.addColor( Color( 255, 25, 255 ) );
106  cmap_grad.addColor( Color( 25, 25, 25 ) );
107 
109  for(unsigned int i=0; i<vectContoursBdryPointels.size(); i++){
110  // Constructing and displaying FreemanChains from contours.
111  FreemanChain<Z2i::Integer> fc (vectContoursBdryPointels.at(i));
114  aBoard << SetMode( fc.className(), "InterGrid" );
115  aBoard<< CustomStyle( fc.className(),
116  new CustomColors( cmap_grad(i), Color::None ) );
117  aBoard << fc;
119  }
120 
121  aBoard.saveEPS("freemanChainFromImage.eps");
122  return 0;
123 }
Aim: This class template may be used to (linearly) convert scalar values in a given range into a colo...
Aim: implements association bewteen points lying in a digital domain and values.
Definition: Image.h:69
Aim: A utility class for constructing surfaces (i.e. set of (n-1)-cells).
Definition: Surfaces.h:78
void addColor(const Color &color)
Aim: Represent adjacencies between surfel elements, telling if it follows an interior to exterior ord...
Custom style class redefining the pen color and the fill color. You may use Board2D::Color::None for ...
Definition: Board2D.h:278
static ImageContainer importPGM(const std::string &aFilename, const Functor &aFunctor=Functor(), bool topbotomOrder=true)
bool init(const Point &lower, const Point &upper, bool isClosed)
Aim: A wrapper class around a STL associative container for storing sets of digital points within som...
Aim: Define utilities to convert a digital set into an image.
Definition: SetFromImage.h:63
ImageContainerBySTLVector< Domain, Value > Image
Modifier class in a Board2D stream. Useful to choose your own mode for a given class. Realizes the concept CDrawableWithBoard2D.
Definition: Board2D.h:247
Structure representing an RGB triple with alpha component.
Definition: Color.h:66
Aim: This class is a model of CCellularGridSpaceND. It represents the cubical grid as a cell complex...
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