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author | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-09-26 13:40:57 +0200 |
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committer | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-09-26 13:40:57 +0200 |
commit | a034f774490ea06c018726ed58a0cfbe9d12d97c (patch) | |
tree | 447d0c2387f86753b3d30ae62856d660480a0f1b /src/Cech_complex/utilities/cechcomplex.md | |
parent | 6c09d13bb3e90d132cd47a8afcb4f94078ad9fe9 (diff) |
Cech_persistence utility for safe/exact/fast mode
Diffstat (limited to 'src/Cech_complex/utilities/cechcomplex.md')
-rw-r--r-- | src/Cech_complex/utilities/cechcomplex.md | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/Cech_complex/utilities/cechcomplex.md b/src/Cech_complex/utilities/cechcomplex.md index 821e4dad..0e82674d 100644 --- a/src/Cech_complex/utilities/cechcomplex.md +++ b/src/Cech_complex/utilities/cechcomplex.md @@ -26,7 +26,11 @@ a prime number). **Usage** -`cech_persistence [options] <OFF input file>` +`cech_persistence [options] <input OFF file>` + +where +`<input OFF file>` is the path to the input point cloud in +[nOFF ASCII format]({{ site.officialurl }}/doc/latest/fileformats.html#FileFormatsOFF). **Allowed options** @@ -36,6 +40,8 @@ a prime number). * `-d [ --cpx-dimension ]` (default = 1) Maximal dimension of the Čech complex we want to compute. * `-p [ --field-charac ]` (default = 11) Characteristic p of the coefficient field Z/pZ for computing homology. * `-m [ --min-persistence ]` (default = 0) Minimal lifetime of homology feature to be recorded. Enter a negative value to see zero length intervals. +* `-e [ --exact ]` for the exact computation version. +* `-f [ --fast ]` for the fast computation version. Beware: this program may use a lot of RAM and take a lot of time if `max-edge-length` is set to a large value. |