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NumPy based Python module for reading TDMS files produced by LabView

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README.rst

npTDMS

Cross-platform module for reading TDMS files as produced by LabView. Data is stored as a numpy array, and is loaded using numpy's fromfile routine so is very fast.

Typical usage might look like:

#!/usr/bin/env python

from nptdms import TdmsFile
tdms_file = TdmsFile("path_to_file.tdms")
channel = tdms_file.object('Group', 'Channel1')
data = channel.data
time = channel.time_track()
# do stuff with data

For more information, see the npTDMS documentation.

Installation

npTDMS is available from the Python Package Index, so the easiest way to install it is by running (as root):

pip install npTDMS

Alternatively, after downloading the source code you can extract it and change into the new directory, then run:

python setup.py install

Links

Source code lives at https://github.com/adamreeve/npTDMS and any issues can be reported at https://github.com/adamreeve/npTDMS/issues. Documentation is available at http://readthedocs.org/docs/nptdms.

What Currently Doesn't Work

This module doesn't support TDMS files with XML headers or with extended floating point data.

Files with DAQmx raw data are not supported either.

Contributors/Thanks

Thanks to Floris van Vugt who wrote the pyTDMS module, which helped when writing this module.

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