greedy-dss-decomposition.cpp File Reference

#include <cmath>
#include <iostream>
#include <sstream>
#include "DGtal/base/Common.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/Color.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "DGtal/shapes/Shapes.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/curves/ArithmeticalDSSComputer.h"
#include "DGtal/geometry/curves/FreemanChain.h"
#include "DGtal/geometry/curves/GreedySegmentation.h"

Include dependency graph for greedy-dss-decomposition.cpp:

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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

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 5807), University of Savoie, France

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

2010/11/26

An example file named greedy-dss-decomposition.

This file is part of the DGtal library.

Definition in file greedy-dss-decomposition.cpp.

Function Documentation

main()

int main

(

void

)

Definition at line 70 of file greedy-dss-decomposition.cpp.

{
  trace.beginBlock ( "Example dgtalboard-5-greedy-dss" );
 
  typedef FreemanChain<int> Contour4; 
  typedef ArithmeticalDSSComputer<Contour4::ConstIterator,int,4> DSS4;
  typedef GreedySegmentation<DSS4> Decomposition4;
 
  // A Freeman chain code is a string composed by the coordinates of the first pixel, and the list of elementary displacements. 
  std::stringstream ss(stringstream::in | stringstream::out);
  ss << "31 16 11121212121212212121212212122122222322323233323333333323333323303330330030300000100010010010001000101010101111" << endl;
  
  // Construct the Freeman chain
  Contour4 theContour( ss );
 
  // Segmentation
  Decomposition4 theDecomposition( theContour.begin(),theContour.end(),DSS4() );
 
  // Draw the domain and the contour
  Point p1( 0, 0 );
  Point p2( 31, 31 );
  Domain domain( p1, p2 );
  Board2D aBoard;
  aBoard << SetMode( domain.className(), "Grid" )
         << domain
         << SetMode( "PointVector", "Grid" ); 
 
  // Draw each segment
  string styleName = "";
  for ( Decomposition4::SegmentComputerIterator 
          it = theDecomposition.begin(),
          itEnd = theDecomposition.end();
        it != itEnd; ++it ) 
    {
      aBoard << SetMode( "ArithmeticalDSS", "Points" )
             << it->primitive(); 
      aBoard << SetMode( "ArithmeticalDSS", "BoundingBox" )
             << CustomStyle( "ArithmeticalDSS/BoundingBox", 
                             new CustomPenColor( Color::Blue ) )
             << it->primitive();
    } 
 
  
  aBoard.saveSVG("greedy-dss-decomposition.svg");
  aBoard.saveEPS("greedy-dss-decomposition.eps");
  #ifdef DGTAL_WITH_CAIRO
    aBoard.saveCairo("greedy-dss-decomposition.png"); 
  #endif
 
  trace.endBlock();
 
  return 0;
}

References DGtal::Color::Blue, domain, LibBoard::Board::saveCairo(), LibBoard::Board::saveEPS(), LibBoard::Board::saveSVG(), and DGtal::trace.