1 files changed, 60 insertions, 0 deletions
diff --git a/src/Bitmap_cubical_complex/example/Compute_persistence_with_phat.cpp b/src/Bitmap_cubical_complex/example/Compute_persistence_with_phat.cpp
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+++ b/src/Bitmap_cubical_complex/example/Compute_persistence_with_phat.cpp
@@ -0,0 +1,60 @@
+
+ /*    This file is part of the Gudhi Library. The Gudhi library
+  *    (Geometric Understanding in Higher Dimensions) is a generic C++
+  *    library for computational topology.
+  *
+  *    Author(s):       Pawel Dlotko
+  *
+  *    Copyright (C) 2015  INRIA Saclay (France)
+  *
+  *    This program is free software: you can redistribute it and/or modify
+  *    it under the terms of the GNU General Public License as published by
+  *    the Free Software Foundation, either version 3 of the License, or
+  *    (at your option) any later version.
+  *
+  *    This program is distributed in the hope that it will be useful,
+  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  *    GNU General Public License for more details.
+  *
+  *    You should have received a copy of the GNU General Public License
+  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  */
+
+
+#include <gudhi/reader_utils.h>
+#include <gudhi/Bitmap_cubical_complex_base.h>
+#include <gudhi/Bitmap_cubical_complex_periodic_boundary_conditions_base.h>
+#include <gudhi/Bitmap_cubical_complex.h>
+#include <gudhi/Compute_persistence_with_phat.h>
+
+using namespace Gudhi;
+using namespace Gudhi::Cubical_complex;
+
+//standard stuff
+#include <iostream>
+#include <sstream>
+#include <vector>
+
+using namespace std;
+
+
+int main( int argc , char** argv )
+{
+    if ( argc != 2 )
+    {
+        cout << "Wrong number of parameters. Please provide the name of a file with a Perseus style bitmap at the input. The program will now terminate.\n";
+        return 1;
+    }
+
+    Bitmap_cubical_complex< Bitmap_cubical_complex_base<double> > b( argv[1] );
+    cerr << "Cubical complex created \n";
+
+
+    Compute_persistence_with_phat< Bitmap_cubical_complex< Bitmap_cubical_complex_base<double> > , double > phat(&b);
+    phat::persistence_pairs pairs = phat.compute_persistence_pairs_dualized_chunk_reduction();
+    std::pair< std::vector< std::vector<double> > , std::vector< std::vector< std::pair<double,double> > > > persistence = phat.get_the_intervals( pairs );
+    writeBettiNumbersAndPersistenceIntervalsToFile( "phat_persistence" , persistence );
+
+    return 0;
+}