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# Bitmap_cubical_complex #
## `cubical_complex_persistence` ##
This program computes persistent homology, by using the Bitmap_cubical_complex class, of cubical complexes provided in text files in Perseus style. See the "Input Format" section of the [User Manual](http://gudhi.gforge.inria.fr/doc/latest/group__cubical__complex.html) for a description of the file format.
Example:
* Create a Cubical Complex from the Perseus style file `CubicalTwoSphere.txt`, computes Persistence cohomology from it and writes the results in a persistence file `CubicalTwoSphere.txt_persistence`:
`cubical_complex_persistence data/bitmap/CubicalTwoSphere.txt`
## `periodic_cubical_complex_persistence` ##
Same as above, but with periodic boundary conditions.
Example:
* Create a Periodical Cubical Complex from the Perseus style file `3d_torus.txt`, computes Persistence cohomology from it and writes the results in a persistence file `3d_torus.txt_persistence`:
`periodic_cubical_complex_persistence data/bitmap/3d_torus.txt`
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