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| author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2018-08-17 12:41:10 +0000 |
|---|---|---|
| committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2018-08-17 12:41:10 +0000 |
| commit | 67ae5aa70e70097f72f868ebba1fa8e7ff96297d (patch) | |
| tree | b76a7040b0c7039c4ae4d3216f1b2b674c21e526 /src/cython | |
| parent | 1865751c055ad01ba159a13d22e42204195c2ccb (diff) | |
doc review : modification of persistence barcode example to make it more relevant
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/plot_persistence_density_vincent@3796 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 17acc09cdf7d09b13c177334efb1e309c4fd8d9c
Diffstat (limited to 'src/cython')
| -rw-r--r-- | src/cython/doc/persistence_graphical_tools_user.rst | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/src/cython/doc/persistence_graphical_tools_user.rst b/src/cython/doc/persistence_graphical_tools_user.rst index b21de06a..0047f9c8 100644 --- a/src/cython/doc/persistence_graphical_tools_user.rst +++ b/src/cython/doc/persistence_graphical_tools_user.rst @@ -19,12 +19,15 @@ This function can display the persistence result as a barcode: import gudhi - perseus_file = gudhi.__root_source_dir__ + '/data/bitmap/3d_torus.txt' - periodic_cc = gudhi.PeriodicCubicalComplex(perseus_file=perseus_file) - diag = periodic_cc.persistence() - print("diag = ", diag) - plt = gudhi.plot_persistence_barcode(diag) - plt.show() + off_file = gudhi.__root_source_dir__ + '/data/points/tore3D_300.off' + point_cloud = gudhi.read_off(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) + plot.show() Show persistence as a diagram ----------------------------- @@ -53,13 +56,9 @@ If you want more information on a specific dimension, for instance: 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' - diag = \ - gudhi.read_persistence_intervals_grouped_by_dimension(persistence_file=\ - persistence_file) - dim = 1 - # Display persistence density - plt = gudhi.plot_persistence_density([(dim,interval) for interval in diag[dim]], - max_plots=0, legend=True) + plt = gudhi.plot_persistence_density(persistence_file=persistence_file, + max_plots=0, dimension=1, legend=True) plt.show() |