extract2DSlicesImagesFrom3D.cpp File Reference

#include <iostream>
#include <sstream>
#include "DGtal/kernel/BasicPointFunctors.h"
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/writers/PGMWriter.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/ConstImageAdapter.h"
#include "ConfigExamples.h"

Go to the source code of this file.

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

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

Date

2013/04/24

An example file named extract2DImagesFrom3D.

This file is part of the DGtal library.

Definition in file extract2DSlicesImagesFrom3D.cpp.

Function Documentation

main()

int main

(

void

)

Definition at line 58 of file extract2DSlicesImagesFrom3D.cpp.

{
   typedef ImageSelector < Z3i::Domain, unsigned char>::Type Image3D;
   typedef ImageSelector < Z2i::Domain, unsigned char>::Type Image2D;
   typedef DGtal::ConstImageAdapter<Image3D, Image2D::Domain, DGtal::functors::Projector<Z3i::Space>,
                                    Image3D::Value,  DGtal::functors::Identity >  SliceImageAdapter;
   
 
   DGtal::functors::Projector<Z2i::Space >  proj(2);
 
   // Importing a 3D image
   std::string filename = examplesPath + "samples/lobster.vol";
   Image3D image = VolReader<Image3D>::importVol( filename );
   DGtal::Z2i::Domain domain(proj(image.domain().lowerBound()),
                             proj(image.domain().upperBound()));
   DGtal::functors::Identity idV;
 
   trace.beginBlock ( "Example extract2DImagesFrom3D" );
 
   // Extracting 2D slices ... and export them in the pgm format.
   for (unsigned int i=0; i<30; i+=10){
     std::stringstream name;
     name << "lobsterSliceZ_"  << i << ".pgm";
     DGtal::functors::Projector<Z3i::Space> aSliceFunctor(i); aSliceFunctor.initAddOneDim(2);
     SliceImageAdapter sliceImageZ(image, domain, aSliceFunctor, idV);
     PGMWriter<SliceImageAdapter>::exportPGM(name.str(), sliceImageZ);
   }
 
   // trace.endBlock();
   return 0;
}

References DGtal::Trace::beginBlock(), domain, DGtal::PGMWriter< TImage, TFunctor >::exportPGM(), DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::functors::Projector< S >::initAddOneDim(), and DGtal::trace.