Skip to main content
Join the official 2019 Python Developers SurveyStart the survey!

A pythonic reader for TDMS files generated by LabVIEW

Project description

Build Status Azure DevOps coverage PyPI version

nitdms - A pythonic TDMS file reader

The main export from the nitdms package is the TdmsFile class. Upon instantiation, the reader loads the file into memory and discovers all of the file, group and channel objects and respective properties. These objects and properties are dynamically instantiated as attributes allowing easy access from within an interactive session with tab completion such as Jupyter or bash.

Channel data is returned as a numpy ndarray, or WaveformDT if data in the file is from LabVIEW's waveform data type. WaveformDT is a subclass of ndarray that mimics the waveform data type. LabVIEW's timestamp is stored as UTC in the TDMS file. nitdms returns the timestamp in the machine's local time zone consistent with LabVIEW and aligns with WaveformDT.


$ pip install nitdms


Within an interactive session with tab completion:

>>> from nitdms import TdmsFile
>>> tf = TdmsFile(<file>)
>>> data = tf.<group>.<channel>.data
>>> t0 = tf.<group>.<channel>.wf_start_time
>>> dt = tf.<group>.<channel>.wf_increment
>>> group_property = tf.<group>.<property>


Project details

Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Files for nitdms, version 1.4.24
Filename, size File type Python version Upload date Hashes
Filename, size nitdms-1.4.24-py3-none-any.whl (14.4 kB) File type Wheel Python version py3 Upload date Hashes View hashes
Filename, size nitdms-1.4.24.tar.gz (12.0 kB) File type Source Python version None Upload date Hashes View hashes

Supported by

Elastic Elastic Search Pingdom Pingdom Monitoring Google Google BigQuery Sentry Sentry Error logging AWS AWS Cloud computing DataDog DataDog Monitoring Fastly Fastly CDN SignalFx SignalFx Supporter DigiCert DigiCert EV certificate StatusPage StatusPage Status page