python-qualisys 0.2.0

Import data from Qualisys Track Manager into pandas.

Load data from a .txt file exported from QTM into pandas:

pip install qualisys

In [1]: from qualisys import load_qtm_data

In [2]: data, metadata = load_qtm_data('example_data.txt')

In [3]: metadata
Out[3]:
{'analog_frequency': 0,
 'description': '--',
 'events': [],
 'no_of_frames': 720,
 'pc_on_time': 912.56663253,
 'no_of_cameras': 7,
 'marker_names': ['RIGHT_KNEE', 'right_ankle'],
 'frequency': 120,
 'no_of_markers': 2,
 'no_of_analog': 0,
 'data_included': '3D',
 'time_stamp': numpy.datetime64('2014-06-17T08:53:44-0400')}

In [4]: data
Out[4]:
<class 'pandas.core.panel.Panel'>
Dimensions: 2 (items) x 720 (major_axis) x 3 (minor_axis)
Items axis: RIGHT_KNEE to right_ankle
Major_axis axis: 0.00833 to 6.0
Minor_axis axis: x to z

In [5]: data['right_ankle'].head()
Out[5]:
dim             x         y        z
t
0.00833  1501.102  2073.985  102.815
0.01667  1501.187  2074.183  103.058
0.02500  1501.052  2073.905  102.775
0.03333  1501.557  2073.970  103.195
0.04167  1501.425  2073.629  102.974