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-rw-r--r--src/cython/doc/installation.rst9
-rw-r--r--src/cython/doc/persistence_graphical_tools_ref.rst1
-rw-r--r--src/cython/doc/persistence_graphical_tools_sum.inc4
-rw-r--r--src/cython/doc/persistence_graphical_tools_user.rst9
4 files changed, 17 insertions, 6 deletions
diff --git a/src/cython/doc/installation.rst b/src/cython/doc/installation.rst
index 43576ec9..ef2f7af2 100644
--- a/src/cython/doc/installation.rst
+++ b/src/cython/doc/installation.rst
@@ -195,7 +195,7 @@ The following examples require the `Matplotlib <http://matplotlib.org>`_:
* :download:`euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py>`
* :download:`euclidean_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_witness_complex_diagram_persistence_from_off_file_example.py>`
-Numpy
+NumPy
=====
The :doc:`persistence graphical tools </persistence_graphical_tools_user>`
@@ -216,6 +216,13 @@ The following examples require the `NumPy <http://numpy.org>`_:
* :download:`euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py>`
* :download:`euclidean_witness_complex_diagram_persistence_from_off_file_example.py <../example/euclidean_witness_complex_diagram_persistence_from_off_file_example.py>`
+SciPy
+=====
+
+The :doc:`persistence graphical tools </persistence_graphical_tools_user>`
+module requires `SciPy <http://scipy.org>`_, a Python-based ecosystem of
+open-source software for mathematics, science, and engineering.
+
Threading Building Blocks
=========================
diff --git a/src/cython/doc/persistence_graphical_tools_ref.rst b/src/cython/doc/persistence_graphical_tools_ref.rst
index a2c6bcef..54aff4bc 100644
--- a/src/cython/doc/persistence_graphical_tools_ref.rst
+++ b/src/cython/doc/persistence_graphical_tools_ref.rst
@@ -9,3 +9,4 @@ Persistence graphical tools reference manual
.. autofunction:: gudhi.__min_birth_max_death
.. autofunction:: gudhi.plot_persistence_barcode
.. autofunction:: gudhi.plot_persistence_diagram
+.. autofunction:: gudhi.plot_persistence_density
diff --git a/src/cython/doc/persistence_graphical_tools_sum.inc b/src/cython/doc/persistence_graphical_tools_sum.inc
index d602daa7..c793a352 100644
--- a/src/cython/doc/persistence_graphical_tools_sum.inc
+++ b/src/cython/doc/persistence_graphical_tools_sum.inc
@@ -1,11 +1,11 @@
================================================================= =================================== ===================================
:Author: Vincent Rouvreau :Introduced in: GUDHI 2.0.0 :Copyright: GPL v3
-:Requires: Matplotlib Numpy
+:Requires: Matplotlib Numpy Scipy
================================================================= =================================== ===================================
+-----------------------------------------------------------------+-----------------------------------------------------------------------+
| .. figure:: | These graphical tools comes on top of persistence results and allows |
-| img/graphical_tools_representation.png | the user to build easily barcode and persistence diagram. |
+| img/graphical_tools_representation.png | the user to build easily persistence barcode, diagram or density. |
| | |
+-----------------------------------------------------------------+-----------------------------------------------------------------------+
| :doc:`persistence_graphical_tools_user` | :doc:`persistence_graphical_tools_ref` |
diff --git a/src/cython/doc/persistence_graphical_tools_user.rst b/src/cython/doc/persistence_graphical_tools_user.rst
index 292915eb..b21de06a 100644
--- a/src/cython/doc/persistence_graphical_tools_user.rst
+++ b/src/cython/doc/persistence_graphical_tools_user.rst
@@ -43,6 +43,9 @@ This function can display the persistence result as a diagram:
legend=True)
plt.show()
+Persistence density
+-------------------
+
If you want more information on a specific dimension, for instance:
.. plot::
@@ -56,7 +59,7 @@ If you want more information on a specific dimension, for instance:
gudhi.read_persistence_intervals_grouped_by_dimension(persistence_file=\
persistence_file)
dim = 1
- # Display all points with some transparency
- plt = gudhi.plot_persistence_diagram([(dim,interval) for interval in diag[dim]],
- max_plots=0, alpha=0.1)
+ # Display persistence density
+ plt = gudhi.plot_persistence_density([(dim,interval) for interval in diag[dim]],
+ max_plots=0, legend=True)
plt.show()