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Importing data from legacy .dat files

This notebook shows you how you can import data from a legacy dataset generated with the old qcodes.data dataset. These are typically generated with qcodes.loops.Loop or qcodes.measure.Measure.

%matplotlib inline

from qcodes.dataset import (
    import_dat_file,
    initialise_database,
    load_or_create_experiment,
    plot_by_id,
)

# in case it was not there already
initialise_database()
# put the old data in a new experiment
exp = load_or_create_experiment('old_data_loading', sample_name='no_sample')

location2d = '../../../qcodes/tests/dataset/fixtures/data_2018_01_17/data_002_2D_test_15_43_14'
location1d = '../../../qcodes/tests/dataset/fixtures/data_2018_01_17/data_001_testsweep_15_42_57'

run_ids = import_dat_file(location1d, exp=exp)
axs, cbaxs = plot_by_id(run_ids[0])

Trying to mark a run completed that was already completed.

Starting experimental run with id: 57.

run_ids = import_dat_file(location2d, exp=exp)
axs, cbaxs = plot_by_id(run_ids[0])

Trying to mark a run completed that was already completed.

Starting experimental run with id: 58.