diff options
Diffstat (limited to 'src/python/doc/persistence_graphical_tools_user.rst')
| -rw-r--r-- | src/python/doc/persistence_graphical_tools_user.rst | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/src/python/doc/persistence_graphical_tools_user.rst b/src/python/doc/persistence_graphical_tools_user.rst index b2124fdd..80002db6 100644 --- a/src/python/doc/persistence_graphical_tools_user.rst +++ b/src/python/doc/persistence_graphical_tools_user.rst @@ -20,16 +20,17 @@ This function can display the persistence result as a barcode: .. plot:: :include-source: + import matplotlib.pyplot as plot import gudhi off_file = gudhi.__root_source_dir__ + '/data/points/tore3D_300.off' - point_cloud = gudhi.read_off(off_file=off_file) + point_cloud = gudhi.read_points_from_off_file(off_file=off_file) rips_complex = gudhi.RipsComplex(points=point_cloud, max_edge_length=0.7) simplex_tree = rips_complex.create_simplex_tree(max_dimension=3) diag = simplex_tree.persistence(min_persistence=0.4) - plot = gudhi.plot_persistence_barcode(diag) + gudhi.plot_persistence_barcode(diag) plot.show() Show persistence as a diagram @@ -43,14 +44,15 @@ This function can display the persistence result as a diagram: .. plot:: :include-source: + import matplotlib.pyplot as plot import gudhi # rips_on_tore3D_1307.pers obtained from write_persistence_diagram method persistence_file=gudhi.__root_source_dir__ + \ '/data/persistence_diagram/rips_on_tore3D_1307.pers' - plt = gudhi.plot_persistence_diagram(persistence_file=persistence_file, + gudhi.plot_persistence_diagram(persistence_file=persistence_file, legend=True) - plt.show() + plot.show() Persistence density ------------------- @@ -63,11 +65,19 @@ If you want more information on a specific dimension, for instance: .. plot:: :include-source: + import matplotlib.pyplot as plot import gudhi - # rips_on_tore3D_1307.pers obtained from write_persistence_diagram method persistence_file=gudhi.__root_source_dir__ + \ '/data/persistence_diagram/rips_on_tore3D_1307.pers' - plt = gudhi.plot_persistence_density(persistence_file=persistence_file, - max_intervals=0, dimension=1, legend=True) - plt.show() + birth_death = gudhi.read_persistence_intervals_in_dimension( + persistence_file=persistence_file, + only_this_dim=1) + pers_diag = [(1, elt) for elt in birth_death] + # Use subplots to display diagram and density side by side + fig, axes = plot.subplots(nrows=1, ncols=2, figsize=(12, 5)) + gudhi.plot_persistence_diagram(persistence=pers_diag, + axes=axes[0]) + gudhi.plot_persistence_density(persistence=pers_diag, + dimension=1, legend=True, axes=axes[1]) + plot.show() |