testVolReader.cpp File Reference

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/kernel/SpaceND.h"
#include "DGtal/kernel/domains/HyperRectDomain.h"
#include "DGtal/images/ImageSelector.h"
#include "DGtal/io/readers/VolReader.h"
#include "DGtal/io/colormaps/HueShadeColorMap.h"
#include "DGtal/io/colormaps/GrayscaleColorMap.h"
#include "DGtal/io/colormaps/GradientColorMap.h"
#include "DGtal/io/colormaps/ColorBrightnessColorMap.h"
#include "DGtal/io/writers/VolWriter.h"
#include "ConfigTest.h"

Include dependency graph for testVolReader.cpp:

Go to the source code of this file.

Functions
bool	testVolReader ()
bool	testIOException ()
	Tests the VolReader's behavior when attempting to read a non-existent or invalid .vol file.
bool	testConsistence ()
int	main (int argc, char **argv)

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

David Coeurjolly (david.nosp@m..coe.nosp@m.urjol.nosp@m.ly@l.nosp@m.iris..nosp@m.cnrs.nosp@m..fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2010/07/25

Functions for testing class VolReader.

This file is part of the DGtal library.

Definition in file testVolReader.cpp.

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 176 of file testVolReader.cpp.

{
  int aaaaa = 21/2;
  std::cout << aaaaa << std::endl;
  
  trace.beginBlock ( "Testing class VolReader" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
 
  bool res = testVolReader() && testIOException() && testConsistence(); // && ... other tests
  trace.emphase() << ( res ? "Passed." : "Error." ) << endl;
  trace.endBlock();
  return res ? 0 : 1;
 
}

References DGtal::Trace::beginBlock(), DGtal::Trace::emphase(), DGtal::Trace::endBlock(), DGtal::Trace::info(), testConsistence(), testIOException(), testVolReader(), and DGtal::trace.

testConsistence()

bool testConsistence

(

)

Definition at line 140 of file testVolReader.cpp.

{
  trace.beginBlock ( "Testing VolWriter ..." );
 
  typedef SpaceND<3> Space4Type;
  typedef HyperRectDomain<Space4Type> TDomain;
  typedef TDomain::Point Point;
  
  //Default image selector = STLVector
  typedef ImageSelector<TDomain, unsigned char>::Type Image;
  TDomain domain(Point(-17,-14,-13), Point(5,7,11));
  Image image(domain);
  trace.info() << image.domain() <<endl;
 
  VolWriter<Image>::exportVol("testConsistence.vol",image);
  
  trace.endBlock();
 
  trace.beginBlock ( "Testing VolReader ..." );
 
  Image image2 = VolReader<Image>::importVol( "testConsistence.vol" );
  
  trace.info() << image2.domain() <<endl;
  trace.endBlock();
 
  if( image.domain().lowerBound() != image2.domain().lowerBound() 
    || image.domain().upperBound() != image2.domain().upperBound() )
  {
    return false;
  }
  return true;
}

References DGtal::Trace::beginBlock(), DGtal::Image< TImageContainer >::domain(), domain, DGtal::Trace::endBlock(), DGtal::VolWriter< TImage, TFunctor >::exportVol(), image(), DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

testIOException()

bool testIOException

(

)

Tests the VolReader's behavior when attempting to read a non-existent or invalid .vol file.

Returns

true if the test passes and the exception is handled as expected; false otherwise.

Definition at line 104 of file testVolReader.cpp.

{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  trace.beginBlock ( "Testing VolReader ..." );
 
  typedef SpaceND<3> Space4Type;
  typedef HyperRectDomain<Space4Type> TDomain;
  
  //Default image selector = STLVector
  typedef ImageSelector<TDomain, unsigned char>::Type Image;
  
  
  std::string filename = testPath + "samples/null.vol";
  try
    {
      Image image = VolReader<Image>::importVol( filename );
    }
  catch(exception& e)
    {
      trace.info() << "Exception catched. Message : "<< e.what()<<endl;
    }
  
  
 
  nbok += ( true )  ? 1 : 0; 
  nb++;
 
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();
  
  return nbok == nb;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), image(), DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().

testVolReader()

bool testVolReader

(

)

Example of a test. To be completed.

Definition at line 57 of file testVolReader.cpp.

{
  unsigned int nbok = 0;
  unsigned int nb = 0;
  
  trace.beginBlock ( "Testing VolReader ..." );
 
  typedef SpaceND<3> Space4Type;
  typedef HyperRectDomain<Space4Type> TDomain;
  
  //Default image selector = STLVector
  typedef ImageSelector<TDomain, unsigned char>::Type Image;
  
  
  std::string filename = testPath + "samples/cat10.vol";
  Image image = VolReader<Image>::importVol( filename );
  
  trace.info() << image <<endl;
  
  unsigned int nbval=0;
  for(Image::ConstIterator it=image.begin(), itend=image.end();
      it != itend;   ++it)
    if ( (*it) != 0)
      nbval++;
  
  trace.info() << "Number of points with (val!=0)  = "<<nbval<<endl;
 
  nbok += ( nbval == 8043)  ? 1 : 0; 
  nb++;
 
  VolWriter<Image>::exportVol("catenoid-export.vol",image);
 
  nbok += ( true )  ? 1 : 0; 
  nb++;
 
  trace.info() << "(" << nbok << "/" << nb << ") "
         << "true == true" << std::endl;
  trace.endBlock();
  
  return nbok == nb;
}

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), DGtal::VolWriter< TImage, TFunctor >::exportVol(), image(), DGtal::VolReader< TImageContainer, TFunctor >::importVol(), DGtal::Trace::info(), and DGtal::trace.

Referenced by main().