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| author | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2019-06-07 15:34:25 +0200 |
|---|---|---|
| committer | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2019-06-07 15:34:25 +0200 |
| commit | 3807bd77af3d03beace12305ef866cb6172e1f82 (patch) | |
| tree | 2438ea24407111fc011a810ef67b5e31e8974614 /src/common/doc/file_formats.h | |
| parent | a08323ea6b3706191bbd546fcbfcd5d321e0ac92 (diff) | |
| parent | b858862d63ffcdcaed0e0a4913f5d9d42bc0dcbb (diff) | |
Merge branch 'master' of github.com:GUDHI/gudhi-devel
Diffstat (limited to 'src/common/doc/file_formats.h')
| -rw-r--r-- | src/common/doc/file_formats.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/common/doc/file_formats.h b/src/common/doc/file_formats.h index 23214e25..235296d3 100644 --- a/src/common/doc/file_formats.h +++ b/src/common/doc/file_formats.h @@ -29,6 +29,32 @@ namespace Gudhi { \tableofcontents + \section FileFormatsOFF OFF file format + + OFF files must be conform to format described here: http://www.geomview.org/docs/html/OFF.html + + OFF files are mainly used as point cloud inputs. Here is an example of 7 points in a 3-dimensional space. As edges and + faces are not used for point set, there is no need to specify them (just set their numbers to 0): + + \include points/alphacomplexdoc.off + + For dimensions bigger than 3, the dimension can be set like here: + \verbatim + # Dimension is no more 3 + nOFF + # dimension 4 - 7 vertices - 0 face - 0 edge + 4 7 0 0 + # Point set: + 1.0 1.0 0.0 0.0 + 7.0 0.0 0.0 0.0 + 4.0 6.0 0.0 0.0 + 9.0 6.0 0.0 0.0 + 0.0 14.0 0.0 0.0 + 2.0 19.0 0.0 0.0 + 9.0 17.0 0.0 0.0 + \endverbatim + + \section FileFormatsPers Persistence Diagram Such a file, whose extension is usually `.pers`, contains a list of persistence intervals.<br> |