Added option to maintain lazy RU-decomposition during transpositions. Plus minor fixes.
#include <sys.h>
#include <debug.h>
#include "alphashapes3d.h"
#include <filtration.h>
#include <iostream>
#include <fstream>
typedef std::vector<AlphaSimplex3D> SimplexVector;
typedef Filtration<AlphaSimplex3D> AlphaFiltration;
int main(int argc, char** argv)
{
// Read in the point set and compute its Delaunay triangulation
std::istream& in = std::cin;
double x,y,z;
Delaunay Dt;
while(in)
{
in >> x >> y >> z;
Point p(x,y,z);
Dt.insert(p);
}
std::cout << "Delaunay triangulation computed" << std::endl;
AlphaSimplex3DVector alpha_ordering;
fill_alpha_order(Dt, alpha_ordering);
std::cout << "Simplices: " << alpha_ordering.size() << std::endl;
// Create the alpha-shape filtration
AlphaFiltration af;
for (SimplexVector::const_iterator cur = alpha_ordering.begin(); cur != alpha_ordering.end(); ++cur)
af.append(*cur);
af.fill_simplex_index_map();
af.pair_simplices(af.begin(), af.end());
std::cout << "Simplices paired" << std::endl;
}