Changelog for QCoDeS 0.4.0

The June 2019 release of QCoDeS adds final touches to support for complex-valued data, includes under-the-hood improvements, and ships a couple of new instrument drivers as well as improvements to existing instrument drivers.

New & Improved:

• Native support for complex-valued data:

  • Support for plotting complex-valued datasets in plot_by_id (#1592)

  • Reorg Parameter notebooks and add basic complex numbers notebook (#1568)

• QCoDeS Workflow:

  • Add plot_dataset function to plot given data set without specifying id as in plot_by_id (#1614)

• Instruments

  • Fix / snapshot_base params_to_skip_update behavior (#1584)

• Database upgrades:

  • DB version 6 - version contents of run_description column (#1577)

• Old dataset:

  • Change HDF5FormatMetadata to not sort keys in the metadata (#1581)

Instrument drivers:

• New Drivers:

  • Keysight B1500 Parameter Analyzer (#1573)

  • Tektronix Oscilloscopes: MSO/DPO5000/B, DPO7000/C, DPO70000/B/C/D/DX, DSA70000/B/C/D, and MSO70000/C/DX (#1579, #1606)

• Improved Drivers:

  • Lock-in Amplifiers: - ZI UHF-LI: fix scope_mode and scope_average_weight parameters (#1597) - Add jumbo frames and reference clock source parameters to ZIUHFLI (#1590)

  • Magnets: - Two fixes for Oxford IPS120 driver. (#1619)

  • Source Meters: - Keithley 2600: Add list to hold channels (#1603)

  • QuTech instruments: - M4i: fix incorrect return value for ACDC_offs_compensation_x (#1585) - M4i: get ACDC offset compensation (#1596) - D5a: Add set_dac_unit method (#1582) - D5a: Updating vals when unit is updated (#1589)

Miscellaneous:

• Documentation: Explicit experiment in notebooks (#1612)

Under the hood:

• Use perf_counter, not monotonic for DB flushing (#1498)

• Don’t get db location from config if sqlite connection supplied (#1618)

• Don’t read from layouts and dependencies tables in QCoDeS (#1572)

• Reorganization of sqlite-facing modules (#1570)

• Reorganization of run descriptions module structure (#1577)