2DSliceImageFromVol.cpp File Reference

Example associated to the tutorial 5 on Image adapter. More...

#include <iostream>
#include <DGtal/base/Common.h>
#include "DGtal/io/readers/GenericReader.h"
#include "DGtal/io/writers/GenericWriter.h"
#include <DGtal/helpers/StdDefs.h>
#include <DGtal/images/ImageContainerBySTLVector.h>
#include <DGtal/images/ConstImageAdapter.h>
#include "DGtal/kernel/BasicPointFunctors.h"

Include dependency graph for 2DSliceImageFromVol.cpp:

Go to the source code of this file.

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

Detailed Description

Example associated to the tutorial 5 on Image adapter.

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 (bertr.nosp@m.and..nosp@m.kerau.nosp@m.tret.nosp@m.@lori.nosp@m.a.fr ) LORIA (CNRS, UMR 7503), University of Lorraine, France

Date

2016/05/09

This file is part of the DGtal library.

Definition in file 2DSliceImageFromVol.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 49 of file 2DSliceImageFromVol.cpp.

{
    
  typedef ImageContainerBySTLVector<Z2i::Domain, unsigned char>  Image2D;
  typedef ImageContainerBySTLVector<Z3i::Domain, unsigned char>  Image3D;
 
  if(argc < 3)
    {
      trace.error() << "You need to indicate the volumetric image name and slice number as parameters." << std::endl;
      trace.error() << std::endl;
      return 1;
    }
  std::string filename(argv[1]);  
  std::string outputFileName = "sliceImage.pgm";
 
  unsigned int numSlice = atoi(argv[2]);
 
  trace.beginBlock("Loading file");
  Image3D  image3d = GenericReader< Image3D >::import ( filename );
  
   
  functors::Identity id;  
  typedef ConstImageAdapter<Image3D, Image2D::Domain, functors::Projector<Z3i::Space>,
                            Image3D::Value,  functors::Identity >  SliceImageAdapter;
  functors::Projector<Z2i::Space >  proj(2);
  Z2i::Domain domain2D(proj(image3d.domain().lowerBound()),
                              proj(image3d.domain().upperBound()));
 
  DGtal::functors::Projector<Z3i::Space> aSliceFunctor(numSlice); 
  aSliceFunctor.initAddOneDim(2);
  SliceImageAdapter sliceImageZ(image3d, domain2D, aSliceFunctor, id);
  
  trace.endBlock();
 
  trace.beginBlock("Exporting...");
  sliceImageZ >> outputFileName; 
  trace.endBlock();
  return 0;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::Trace::error(), DGtal::GenericReader< TContainer, Tdim, TValue >::import(), DGtal::functors::Projector< S >::initAddOneDim(), and DGtal::trace.