Convert the dataset in hdf5 format to hea format

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#462 opened on Jul 17, 2023 3 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 30/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: python
Domain: data

Research direction

Start by reproducing the reported wfdb.wrsamp call with the 4096×12 float32 ndarray from code 15% and inspect how its values are validated for format 32. Determine whether the behavior is an input-conversion issue or a library bug; done means the dataset can be written to hea format without the reported IndexError.

Written by the indexing model from the issue text.

Description

Hi,
I want to convert the ECG dataset, code 15% into hea format:

wfdb.wrsamp(record_name=filename, fs=fs,
                units=['mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV', 'mV'],
                sig_name=['I', 'II', 'III', 'aVR', 'aVL', 'aVF', 'V1', 'V2', 'V3', 'V4', 'V5', 'V6'], p_signal=data,
                write_dir=write_dir)

But, the dtype of data ndarray: {4096, 12} in code 15% is float32 and raise IndexError:
IndexError: Channel 1 contain values outside allowed range [-2147483648, 2147483647] for fmt 32.

What should I do for the error?

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