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The content of an H5M file can be accessed by any HDF5 compatible tool.
The following viewers are viewer is available from the HDF Group:
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import h5py
import numpy
fid = h5py.File('myfile.h5m', 'r')
# Get the name of the measurements/groups in the file:
print(fid.keys)
# Get the name of the signals in the measurement:
print(fid['measurement'].keys())
# Get the data as numpy array:
numpy.array(fid['name of the test']['name of the signal'])
# Get the units of the signal:
fid['name of the test']['name of the signal'].attrs['unit'] |
For more information regarding h5py, see https://docs.h5py.org/
With pymarin
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import pymarin # Get the groups as list of pymarin.SignalSet: sets_list = pymarin.io.h5m.read(‘afile.h5m’) # Or rather get the groups as a dictionary: sets_dict = pymarin.io.h5m.read(‘afile.h5m’, returnAsDict=True) # Pick some measurement in the list/dict: aset = sets_list[0] another_set = sets_dict[‘100.00 Hz’] # Get a signal using its name: asignal = aset[‘signal_name’] # Or using its index: another_signal = aset[1] # Accessing some attributes of the signal: data = asignal.data name = asignal.key.name unit = asignal.key.unit |
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