volDTGranulo-template.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 "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/writers/VolWriter.h"
#include "DGtal/images/SimpleThresholdForegroundPredicate.h"
#include "DGtal/geometry/volumes/distance/DistanceTransformation.h"
#include "DGtal/shapes/implicit/ImplicitBall.h"
#include "DGtal/base/BasicFunctors.h"
#include "DGtal/io/viewers/PolyscopeViewer.h"
#include "DGtal/io/colormaps/GradientColorMap.h"

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Functions
int	main (int argc, char **argv)

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

Tristan Roussillon (trist.nosp@m.an.r.nosp@m.oussi.nosp@m.llon.nosp@m.@liri.nosp@m.s.cn.nosp@m.rs.fr)

Date

2010/10/17

This file is part of the DGtal library.

Definition in file volDTGranulo-template.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

[volGranulo-viewer]

[volGranulo-viewer]

[volGranulo-cmap]

[volGranulo-cmap]

[volGranulo-export]

[volGranulo-export]

Definition at line 59 of file volDTGranulo-template.cpp.

{

  //Load a vol image and store it into a ImageContainerBySTLVector
  //
  // ...
  //  
 

  //Visualization 2
  //

  //Create a new viewer instance
  PolyscopeViewer<> viewer;
 
  // - iterate over the loaded image domain and send strictly positive
  // values to the viewer
  // 
  // If needed, to not forget to a viewer.allowReuseList to group values togethe
  // Do not forget a viewer.show(); when you're done.
 

  //Distance transformation
  
  //Create a Point Predicate from the input image and a thresholder
  // (see SimpleThresholdForegroundPredicate)
 
  // ...
 
 
  // Compute the distance map for the L2 metric
 
  // ...

 

  //Visualization 2
  //
 
  // Create a new instance of PolyscopeViewer

  //Create the colormap from the maximal distance value
  //and a GradientColorMap
  DT::Value maxDT = (*boost::first_max_element(distancemap.constRange().begin(), 
                                       distancemap.constRange().end()));
  GradientColorMap<DT::Value> gradient( 0, maxDT);
  gradient.addColor(DGtal::Color::Blue);
  gradient.addColor(DGtal::Color::Green);
  gradient.addColor(DGtal::Color::Yellow);
  gradient.addColor(DGtal::Color::Red);
 
  
 
  //Granulometry
 
 
  //Create an empty image with the same size as the input one
  
  //...
 
 
  //Compute the granulometry function
  
  //...
 
  
  //Export the granulometry map to a vol
  VolWriter<Image, CastFunctor<unsigned char> >::exportVol("granulo.vol", imageGranulo);     
  
 

  //Visualization 3
  //
  //  Create a visualization of the granulometry function
  
  return 0;
}

References DGtal::GradientColorMap< PValue, PDefaultPreset, PDefaultFirstColor, PDefaultLastColor >::addColor(), DGtal::Color::Blue, DGtal::Color::Green, DGtal::Color::Red, and DGtal::Color::Yellow.