npTDMS

Bug fix for backwards compatibility when using a value returned from the groups method with the object method.

• Support indexing and slicing channels
• Support streaming data chunks
• Support iterating over files, groups and channels
• Fix reading floating point data with units
• Fix reading digital line scaler data

• Changes the API for reading data by introducing separate objects for groups and channels
• Deprecates many methods than will now warn when used
• Fixes inconsistent behaviour when exporting to Pandas dataframes
• Support lazy reading of raw, unscaled data

Adds support for reading a subset of a channel's data

Various fixes for HDF export

• Support string data
• Fix export of timestamps
• Fix export of group and channel attributes

• Implement lazy reading of whole channel data
• Implement thermistor scaling
• Performance improvement for TDMS files with alternating channels in segments

• Add option for saving to hdf5 file under a group.
• Support polynomial scaling with an arbitrary number of coefficients.
• Fix warning about use of deprecated method when exporting to Pandas dataframe.
• Fix reading number of values in DAQmx raw data.