DGtal  1.5.beta
geometry/curves/estimation/exampleLMST3D.cpp

This example shows the basic usage of the Lambda maximal segment tangent estimation in 3D.

Digital straight lines and segments
#include <iostream>
#include <iterator>
#include <vector>
#include "DGtal/base/Common.h"
#include "DGtal/base/BasicTypes.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/geometry/curves/Naive3DDSSComputer.h"
#include "DGtal/geometry/curves/SaturatedSegmentation.h"
#include "DGtal/geometry/curves/estimation/LambdaMST3D.h"
using namespace std;
using namespace DGtal;
using namespace Z3i;
using namespace DGtal::functors;
int main()
{
typedef vector < Point > Container;
typedef Container::const_iterator ConstIterator;
typedef Naive3DDSSComputer < ConstIterator, int, 8 > SegmentComputer;
typedef SaturatedSegmentation < SegmentComputer > Segmentation;
LambdaMST3D < Segmentation, Lambda64Function, DSSLengthLessEqualFilter < SegmentComputer > > lmst;
// Input points
Container contour;
contour.push_back(Point(18,25,18));
contour.push_back(Point(17,25,19));
contour.push_back(Point(16,25,20));
contour.push_back(Point(15,25,21));
contour.push_back(Point(14,25,22));
contour.push_back(Point(13,25,23));
contour.push_back(Point(12,25,24));
contour.push_back(Point(11,25,25));
contour.push_back(Point(10,25,26));
contour.push_back(Point(9,25,27));
contour.push_back(Point(8,25,28));
// Initialization of tangential cover
Segmentation segmenter ( contour.begin(), contour.end(), SegmentComputer() );
lmst.attach ( segmenter );
lmst.getDSSFilter ( ).init ( 7 );
for ( ConstIterator it = contour.begin(); it != contour.end(); ++it )
lmst.eval ( *it );
lmst.init ( contour.begin(), contour.end() );
std::vector < RealVector > tangent;
lmst.eval < std::back_insert_iterator< std::vector < RealVector > > > ( contour.begin(), contour.end(), std::back_insert_iterator< vector < RealVector > > ( tangent ) );
return 0;
}
// //
MyDigitalSurface::ConstIterator ConstIterator
functors namespace gathers all DGtal functors.
DGtal is the top-level namespace which contains all DGtal functions and types.
int main(int argc, char **argv)
ArithmeticalDSSComputer< std::vector< Z2i::Point >::const_iterator, int, 4 > SegmentComputer
SaturatedSegmentation< SegmentComputer > Segmentation
MyPointD Point
Definition: testClone2.cpp:383