shapeDTViewer.cpp File Reference

An example of generating a grid curve from a parametric shape and estimating its length. More...

#include <iostream>
#include <fstream>
#include <algorithm>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
#include "DGtal/shapes/Shapes.h"
#include "DGtal/shapes/ShapeFactory.h"
#include "DGtal/io/viewers/PolyscopeViewer.h"
#include "DGtal/geometry/volumes/distance/DistanceTransformation.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include <boost/algorithm/minmax_element.hpp>

Include dependency graph for shapeDTViewer.cpp:

Go to the source code of this file.

Functions
int	main ()

Detailed Description

An example of generating a grid curve from a parametric shape and estimating its length.

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)

Date

2011/10/17

This file is part of the DGtal library.

Definition in file shapeDTViewer.cpp.

Function Documentation

main()

int main

(

void

)

[ImageSetDT-DT]

[ImageSetDT-DT]

Definition at line 58 of file shapeDTViewer.cpp.

{
  DGtal::PolyscopeViewer<> viewer;
  viewer.allowReuseList = true;
 
  DGtal::Z3i::Point center(0,0,0);
  DGtal::ImplicitRoundedHyperCube<Z3i::Space> myCube( center, 20, 2.8);
  DGtal::Z3i::Domain domain(myCube.getLowerBound(),
          myCube.getUpperBound());
 
  DGtal::Z3i::DigitalSet mySet(domain);
 
  DGtal::Shapes<DGtal::Z3i::Domain>::euclideanShaper( mySet, myCube);
 
 
  // viewer << mySet << DGtal::Display3D::updateDisplay;
 
 
  typedef DGtal::DistanceTransformation<Z3i::Space, DGtal::Z3i::DigitalSet, Z3i::L2Metric> DTL2;
  DTL2 dt(&domain,&mySet,&Z3i::l2Metric );
 
  DTL2::Value maxDT = (*boost::first_max_element(dt.constRange().begin(),
                                         dt.constRange().end()));
 
 
  GradientColorMap<DTL2::Value> gradient( 0, maxDT);
  gradient.addColor(DGtal::Color::Blue);
  gradient.addColor(DGtal::Color::Green);
  gradient.addColor(DGtal::Color::Yellow);
  gradient.addColor(DGtal::Color::Red);
 
  for(Z3i::Domain::ConstIterator it = domain.begin(),
  itend = domain.end(); it != itend;
      ++it)
    if (dt(*it) != 0)
      {
        viewer << DGtal::WithQuantity(*it, "value", dt(*it));
      }
  viewer << DGtal::ClippingPlane(1,0,0,0);
 
  viewer.show();
  return 0;
}

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::Display3D< Space, KSpace >::allowReuseList, DGtal::HyperRectDomain< TSpace >::begin(), DGtal::Color::Blue, domain, dt, DGtal::HyperRectDomain< TSpace >::end(), DGtal::Shapes< TDomain >::euclideanShaper(), DGtal::ImplicitRoundedHyperCube< TSpace >::getLowerBound(), DGtal::ImplicitRoundedHyperCube< TSpace >::getUpperBound(), DGtal::Color::Green, DGtal::Z3i::l2Metric, DGtal::Color::Red, DGtal::PolyscopeViewer< Space, KSpace >::show(), and DGtal::Color::Yellow.