blob: 36225b6dbabd0e33e068bc96543433502ab83b96 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
File formats
############
To find the correct function to read the files, please refer to :doc:`reader_utils_ref`
Persistence Diagram
*******************
Such a file, whose extension is usually ``.pers``, contains a list of persistence intervals.
Lines starting with ``#`` are ignored (comments).
Other lines might contain 2, 3 or 4 values (the number of values on each line must be the same for all lines)::
[[field] dimension] birth death
Here is a simple sample file::
# Persistence diagram example
2 2.7 3.7
2 9.6 14.
# Some comments
3 34.2 34.974
4 3. inf
Other sample files can be found in the data/persistence_diagram folder.
Such files can be generated with :meth:`gudhi.SimplexTree.write_persistence_diagram` and read with
:meth:`gudhi.read_persistence_intervals_grouped_by_dimension`, or
:meth:`gudhi.read_persistence_intervals_in_dimension`.
|
