exampleRigidtransformation2d.cpp File Reference

#include <iostream>
#include <cmath>
#include "DGtal/images/ImageSelector.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/images/ConstImageAdapter.h"
#include "ConfigExamples.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/base/Common.h"
#include "DGtal/io/readers/PGMReader.h"
#include "DGtal/io/writers/GenericWriter.h"
#include "DGtal/images/RigidTransformation2D.h"

Include dependency graph for exampleRigidtransformation2d.cpp:

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Functions
int	main (int, char **)

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

Kacper Pluta (kacpe.nosp@m.r.pl.nosp@m.uta@e.nosp@m.siee.nosp@m..fr ) Laboratoire d'Informatique Gaspard-Monge - LIGM, France

Date

2014/06/28

An example file named rigidtransformation2d.

This file is part of the DGtal library.

Definition in file exampleRigidtransformation2d.cpp.

Function Documentation

main()

int main	(	int	,
		char **	)

[def]

[def]

[trans]

[trans] [init_domain_helper]

[init_domain_helper]

[domain]

[domain]

[backward]

[backward]

[forward]

[forward]

Definition at line 61 of file exampleRigidtransformation2d.cpp.

{
  typedef ImageSelector<Domain, unsigned char >::Type Image;
  typedef ForwardRigidTransformation2D < Space > ForwardTrans;
  typedef BackwardRigidTransformation2D < Space > BackwardTrans;
  typedef ConstImageAdapter<Image, Domain, BackwardTrans, Image::Value, Identity > MyImageBackwardAdapter;
  typedef DomainRigidTransformation2D < Domain, ForwardTrans > MyDomainTransformer;
  typedef MyDomainTransformer::Bounds Bounds;
  trace.beginBlock ( "Example rigidtransformation2d" );
    ForwardTrans forwardTrans( RealPoint ( 5, 5 ), M_PI_4, RealVector( 3, -3 ) );
    BackwardTrans backwardTrans( RealPoint ( 5, 5 ), M_PI_4, RealVector( 3, -3 ) );
    MyDomainTransformer domainTransformer ( forwardTrans );
    Identity idD;
 
    Image image = PGMReader<Image>::importPGM ( examplesPath + "samples/church.pgm" );
    Bounds bounds = domainTransformer ( image.domain() );
    Domain transformedDomain ( bounds.first, bounds.second );
    
    trace.beginBlock ( "Backward - Eulerian model" );
      MyImageBackwardAdapter backwardImageAdapter ( image, transformedDomain , backwardTrans, idD );
      backwardImageAdapter >> "backward_transform.pgm";
    trace.endBlock();
    
    trace.beginBlock( "Forward - Lagrangian model" );
      Image forwardTransformedImage ( transformedDomain );
      for ( Domain::ConstIterator it = image.domain().begin(); it != image.domain().end(); ++it )
      {
        forwardTransformedImage.setValue ( forwardTrans ( *it ), image ( *it ) );
      }
      forwardTransformedImage >> "forward_transform.pgm";
    trace.endBlock();
  trace.endBlock();
  return 0;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::PGMReader< TImageContainer, TFunctor >::importPGM(), DGtal::Image< TImageContainer >::setValue(), and DGtal::trace.