exampleStabbingLineComputer.cpp

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#include <iostream>
 
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
 
#include "DGtal/geometry/curves/StabbingLineComputer.h"
 
 
using namespace std;
using namespace DGtal;
using namespace Z2i; 
 
 
int main( int argc, char** argv )
{
  trace.beginBlock ( "Example for StabbingLineComputer" );
  trace.info() << "Args:";
  for ( int i = 0; i < argc; ++i )
    trace.info() << " " << argv[ i ];
  trace.info() << endl;
  
  std::string filename = examplesPath + "samples/DSS.dat";
  ifstream instream; // input stream
  instream.open (filename.c_str(), ifstream::in);
  
  Curve c; //grid curve
  c.initFromVectorStream(instream);
 
 
  trace.beginBlock("Simple example");
 
  Curve::IncidentPointsRange r = c.getIncidentPointsRange(); 
  Curve::IncidentPointsRange::ConstIterator itEnd (r.end()); 
 
  StabbingLineComputer<Curve::IncidentPointsRange::ConstIterator> s; 
  //extension
  s.init( r.begin() );
  while ( ( s.end() != itEnd )
        &&( s.extendFront() ) ) {}
 
  trace.info() << s << endl;  
 
  trace.endBlock();
 
 
  return 0;
}
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