3dKSSurfaceExtraction.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/DrawWithDisplay3DModifier.h"
#include "DGtal/io/viewers/Viewer3D.h"
#include "DGtal/io/Color.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "DGtal/topology/KhalimskySpaceND.h"
#include "DGtal/topology/helpers/Surfaces.h"

Include dependency graph for 3dKSSurfaceExtraction.cpp:

Go to the source code of this file.

Functions
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

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

Date

2011/06/27

An example file named 3dKSSurfaceExtraction.

This file is part of the DGtal library.

Definition in file 3dKSSurfaceExtraction.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 68 of file 3dKSSurfaceExtraction.cpp.

{
 
  Point p1( 0, 0,  0 );
  Point p2( 20, 20, 20 );
  Point c( 10, 10, 10 );
  Domain domain( p1, p2);
 
  // Generate the digital set from randam seeds and distance threshold.
  DigitalSet diamond_set( domain );
  //srand ( time(NULL) );
  unsigned int nbSeeds = 35;
  vector<Point> vCenters;
  vector<uint> vRad;
  for(unsigned int i=0;i<nbSeeds; i++){
    vCenters.push_back(Point(rand()%p2[0], rand()%p2[1],
          rand()%p2[2]));
    vRad.push_back(rand()%7);
  }
  for ( Domain::ConstIterator it = domain.begin(); it != domain.end(); ++it ){
    for(unsigned int i=0;i<nbSeeds; i++){
      if ( (*it - vCenters.at(i)  ).norm1() <= vRad.at(i) && domain.isInside(*it) &&
     domain.isInside(*it+Point(1,1,1)) && domain.isInside(*it-Point(1,1,1)) ){
  diamond_set.insertNew( *it );
  break;
      }
    }
  }
 
 
  //A KhalimskySpace is constructed from the domain boundary points.
  KSpace K;
  K.init(p1, p2, true);
 
  SurfelAdjacency<3> SAdj( true );
  vector<vector<SCell> > vectConnectedSCell;
 
 
  //Here since the last argument is set to true, the resulting
  //SignedKhalimskySpaceND are signed in order to indicate the direction
  //of exterior. You can also get the SignefKhalimskySpaceND with default
  //sign:
 
  Surfaces<KSpace>::extractAllConnectedSCell(vectConnectedSCell,K, SAdj, diamond_set, false);
 
 
  QApplication application(argc,argv);
  Viewer3D<> viewer (K);
  viewer.show();
 
 
  // Each connected compoments are simply displayed with a specific color.
  GradientColorMap<long> gradient(0, (const long)vectConnectedSCell.size());
  gradient.addColor(Color::Red);
  gradient.addColor(Color::Yellow);
  gradient.addColor(Color::Green);
  gradient.addColor(Color::Cyan);
  gradient.addColor(Color::Blue);
  gradient.addColor(Color::Magenta);
  gradient.addColor(Color::Red);
 
 
  for(unsigned int i=0; i< vectConnectedSCell.size();i++){
    DGtal::Color col= gradient(i);
    viewer << CustomColors3D(Color(250, 0,0), Color(col.red(),
                col.green(),
                col.blue()));
 
    for(unsigned int j=0; j< vectConnectedSCell.at(i).size();j++){
      viewer << vectConnectedSCell.at(i).at(j);
    }
  }
 
 
  viewer << CustomColors3D(Color(250, 0,0),Color(250, 200,200, 200));
  viewer << diamond_set;
  //viewer << ClippingPlane(0,1,0.0,-2);
  viewer << Viewer3D<>::updateDisplay;
  return application.exec();
}

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::HyperRectDomain< TSpace >::begin(), DGtal::Color::blue(), domain, DGtal::HyperRectDomain< TSpace >::end(), DGtal::Color::green(), DGtal::KhalimskySpaceND< dim, TInteger >::init(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insertNew(), DGtal::HyperRectDomain< TSpace >::isInside(), K, DGtal::Color::red(), and DGtal::Viewer3D< TSpace, TKSpace >::show().