Camlog#

Camera log parsing

labcams versus pycams#

  • Example of labcams log

# Camera: facecam log file
# Date: 15-03-2021
# labcams version: 0.2
# Log header:frame_id,timestamp
# [21-03-15 18:13:09] - I:\data\facecam\210315_YW006__2P_YW\run00_181302_ori_sqr_12dir_2tf_3sf_bas\20210315_run000_00000000.tif
# [21-03-15 18:13:09] - Queue: 40
1,0.0014252
2,0.0347656
3,0.0680934
4,0.1014338
5,0.1347617
6,0.1680901
...
254,8.4346838
255,8.4680117
256,8.5013401
# [21-03-15 18:13:16] - I:\data\facecam\210315_YW006__2P_YW\run00_181302_ori_sqr_12dir_2tf_3sf_bas\20210315_run000_00000001.tif
# [21-03-15 18:13:16] - Queue: 0
...

  • Example of pycams log

# Commit hash: 50082af
# Log header: frame_id,timestamp
1,0.048
2,0.142
3,0.211
4,0.287
5,0.347
6,0.434
7,0.507
8,0.586
9,0.665
10,0.732
11,0.808
12,0.887
13,0.966
14,1.048
15,1.125
16,1.204
17,1.283
18,1.349
19,1.426
20,1.512
21,1.585
22,1.665
23,1.745
24,1.824
...

as dataframe#

from stimpyp import read_camlog

file = .... # .log or .camlog file path
camera_version = ... # either labcams or pycams
camlog = read_camlog(file, camera_version=camera_version)
print(camlog.to_polars())

┌──────────┬──────────┐
│ frame_id ┆ time     │
│ ---      ┆ ---      │
│ i64      ┆ f64      │
╞══════════╪══════════╡
│ 1        ┆ 0.048    │
│ 2        ┆ 0.142    │
│ 3        ┆ 0.211    │
│ 4        ┆ 0.287    │
│ 5        ┆ 0.347    │
│ …        ┆ …        │
│ 14657    ┆ 1123.081 │
│ 14658    ┆ 1123.145 │
│ 14659    ┆ 1123.224 │
│ 14660    ┆ 1123.309 │
│ 14661    ┆ 1123.367 │
└──────────┴──────────┘