1 files changed, 41 insertions, 0 deletions
diff --git a/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_intervals.cpp b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_intervals.cpp
new file mode 100644
index 00000000..09a56869
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+++ b/src/Persistence_representations/utilities/persistence_intervals/plot_persistence_intervals.cpp
@@ -0,0 +1,41 @@
+/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ *    Author(s):       Pawel Dlotko
+ *
+ *    Copyright (C) 2016 Inria
+ *
+ *    Modification(s):
+ *      - YYYY/MM Author: Description of the modification
+ */
+
+#include <gudhi/Persistence_intervals.h>
+
+#include <iostream>
+#include <limits>
+#include <vector>
+#include <utility>
+
+using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals;
+
+int main(int argc, char** argv) {
+  if ((argc != 3) && (argc != 2)) {
+    std::cout << "This program creates a gnuplot script from a single persistence diagram file (*.pers).\n"
+              << "To run this program, please provide the name of a file with persistence diagram.\n"
+              << "The second optional parameter of a program is the dimension of the persistence that is to be used. "
+              << "If your file contains only birth-death pairs, you can skip this parameter.\n";
+    return 1;
+  }
+  unsigned dimension = std::numeric_limits<unsigned>::max();
+  int dim = -1;
+  if (argc == 3) {
+    dim = atoi(argv[2]);
+  }
+  if (dim >= 0) {
+    dimension = (unsigned)dim;
+  }
+  std::vector<std::pair<double, double> > intervals =
+      Gudhi::Persistence_representations::read_persistence_intervals_in_one_dimension_from_file(argv[1], dimension);
+  Persistence_intervals b(intervals);
+  b.plot(argv[1]);
+  return 0;
+}