#include <utilities/log.h>
#include "alphashapes2d.h"
#include <topology/filtration.h>
#include <topology/static-persistence.h>
#include <topology/persistence-diagram.h>
#include <iostream>
#include <fstream>
typedef Filtration<AlphaSimplex2D> AlphaFiltration;
typedef StaticPersistence<> Persistence;
typedef PersistenceDiagram<> PDgm;
int main(int argc, char** argv)
{
#ifdef LOGGING
rlog::RLogInit(argc, argv);
stdoutLog.subscribeTo( RLOG_CHANNEL("error") );
stdoutLog.subscribeTo( RLOG_CHANNEL("info") );
//stdoutLog.subscribeTo( RLOG_CHANNEL("topology/filtration") );
//stdoutLog.subscribeTo( RLOG_CHANNEL("topology/cycle") );
#endif
SetFrequency(GetCounter("filtration/pair"), 10000);
SetTrigger(GetCounter("filtration/pair"), GetCounter(""));
// Read in the point set and compute its Delaunay triangulation
std::istream& in = std::cin;
double x,y;
Delaunay2D Dt;
while(in)
{
in >> x >> y;
if (!in) break;
Point p(x,y);
Dt.insert(p);
}
rInfo("Delaunay triangulation computed");
AlphaFiltration af;
fill_complex(Dt, af);
rInfo("Simplices: %i", af.size());
// Create the alpha-shape filtration
af.sort(AlphaSimplex2D::AlphaOrder());
rInfo("Filtration initialized");
Persistence p(af);
rInfo("Persistence initializaed");
p.pair_simplices();
rInfo("Simplices paired");
Persistence::SimplexMap<AlphaFiltration> m = p.make_simplex_map(af);
std::map<Dimension, PDgm> dgms;
init_diagrams(dgms, p.begin(), p.end(),
evaluate_through_map(m, AlphaSimplex2D::AlphaValueEvaluator()),
evaluate_through_map(m, AlphaSimplex2D::DimensionExtractor()));
#if 1
std::cout << 0 << std::endl << dgms[0] << std::endl;
std::cout << 1 << std::endl << dgms[1] << std::endl;
#endif
}