volAddBorder.cpp

#include <iostream>
#include <DGtal/base/Common.h>
#include <DGtal/io/readers/VolReader.h>
#include <DGtal/io/writers/VolWriter.h>
#include <DGtal/helpers/StdDefs.h>
#include <DGtal/images/Image.h>
#include <DGtal/images/ImageContainerBySTLVector.h>

#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/variables_map.hpp>

using namespace std;
using namespace DGtal;
using namespace Z3i;

namespace po = boost::program_options;




void missingParam ( std::string param )
{
  trace.error() <<" Parameter: "<<param<<" is required..";
  trace.info() <<std::endl;
  exit ( 1 );
}


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

  // parse command line ----------------------------------------------
  po::options_description general_opt ( "Allowed options are " );
  general_opt.add_options()
    ( "help,h", "display this message." )
    ( "input,i", po::value<std::string>(), "Input vol file." )
    ( "output,o", po::value<string>(),"Output filename." );
  bool parseOK=true;
  po::variables_map vm;
  try{
    po::store(po::parse_command_line(argc, argv, general_opt), vm);  
  }catch(const std::exception& ex){
    parseOK=false;
    trace.info()<< "Error checking program options: "<< ex.what()<< endl;
  }
  po::notify ( vm );
  if ( !parseOK || vm.count ( "help" ) ||argc<=1 )
    {
      trace.info() << "Add a border of one voxel with value 0 around a vol file."<<std::endl
                   << std::endl << "Basic usage: "<<std::endl
                   << "\tvolAddBorder --input <volFileName> --o <volOutputFileName> "<<std::endl
                   << general_opt << "\n"
                   << "Example: \n \t volAddBorder -i $DGtal/examples/samples/Al.100.vol -o Al.100border.vol";
      return 0;
    }

  //Parse options
  if ( ! ( vm.count ( "input" ) ) ) missingParam ( "--input" );
  std::string filename = vm["input"].as<std::string>();
  if ( ! ( vm.count ( "output" ) ) ) missingParam ( "--output" );
  std::string outputFileName = vm["output"].as<std::string>();

  typedef ImageContainerBySTLVector<Z3i::Domain, unsigned char>  MyImageC;

  MyImageC  imageC = VolReader< MyImageC >::importVol ( filename );
  MyImageC  outputImage( Z3i::Domain( imageC.domain().lowerBound() - Vector().diagonal(1),
                                      imageC.domain().upperBound() + Vector().diagonal(1)));
  
  //Fast Copy
  for(MyImageC::Domain::ConstIterator it = imageC.domain().begin(),
        itend = imageC.domain().end(); it != itend; ++it)
    outputImage.setValue( *it , imageC(*it));
  

  bool res =  VolWriter< MyImageC>::exportVol(outputFileName, outputImage);
  if (res) return 0; else return 1;
}