do not promote max_alpha_square use in examples

1 files changed, 11 insertions, 12 deletions

diff --git a/src/python/example/alpha_complex_diagram_persistence_from_off_file_example.py b/src/python/example/alpha_complex_diagram_persistence_from_off_file_example.py
index 1e0273b3..fe03be31 100755
--- a/src/python/example/alpha_complex_diagram_persistence_from_off_file_example.py
+++ b/src/python/example/alpha_complex_diagram_persistence_from_off_file_example.py
@@ -25,12 +25,12 @@ parser = argparse.ArgumentParser(
     description="AlphaComplex creation from " "points read in a OFF file.",
     epilog="Example: "
     "example/alpha_complex_diagram_persistence_from_off_file_example.py "
-    "-f ../data/points/tore3D_300.off -a 0.6"
+    "-f ../data/points/tore3D_300.off"
     "- Constructs a alpha complex with the "
     "points from the given OFF file.",
 )
 parser.add_argument("-f", "--file", type=str, required=True)
-parser.add_argument("-a", "--max_alpha_square", type=float, default=0.5)
+parser.add_argument("-a", "--max_alpha_square", type=float, required=False)
 parser.add_argument("-b", "--band", type=float, default=0.0)
 parser.add_argument(
     "--no-diagram",
@@ -47,21 +47,20 @@ with open(args.file, "r") as f:
         print("##############################################################")
         print("AlphaComplex creation from points read in a OFF file")
 
-        message = "AlphaComplex with max_edge_length=" + repr(args.max_alpha_square)
-        print(message)
-
         alpha_complex = gudhi.AlphaComplex(off_file=args.file)
-        simplex_tree = alpha_complex.create_simplex_tree(
-            max_alpha_square=args.max_alpha_square
-        )
+        if args.max_alpha_square is not None:
+            print("with max_edge_length=", args.max_alpha_square)
+            simplex_tree = alpha_complex.create_simplex_tree(
+                max_alpha_square=args.max_alpha_square
+            )
+        else:
+            simplex_tree = alpha_complex.create_simplex_tree()
 
-        message = "Number of simplices=" + repr(simplex_tree.num_simplices())
-        print(message)
+        print("Number of simplices=", simplex_tree.num_simplices())
 
         diag = simplex_tree.persistence()
 
-        print("betti_numbers()=")
-        print(simplex_tree.betti_numbers())
+        print("betti_numbers()=", simplex_tree.betti_numbers())
 
         if args.no_diagram == False:
             import matplotlib.pyplot as plot