Piva

Fixed

- Example data feature directing to correct datafile

Added

- `DataLoader` classes for MERLIN (ALS) and URANOS (Solaris) beamlines
- experimental logbook feature for implemented `DataLoaders`
- data provenance functionality, to track modifications in original data sets
- extended options for data normalization
- linking viewers functionality, allowing for simultaneous inspection of
similar datasets
- automated tests
- full in-code and finished docstring documentation


Changed

- JuPyter functionalities from JuPyter-notebook to JuPyterLab environment
- generalizes superclass `Dataloader` and simplifies Dataloaders from different
beamlines
- changes `Dataset` to directly inherit from Namespace
- unifies fitters into `Fitter` class, from which `MDCFitter` and `EDCFitter`
inherit


Removed
- `DataLoader` classes for MAESTRO (ALS)

Fixed

- minor bugs in `set_metadata_window`
- bugs in `MDCFitter` and `EDCFitter`

Added

- Horizontal scrollbar now appears when needed in data_browser.

Changed

- root directory of a tree view window can be changed with `Ctrl+O` instead of
fixed `home_dir`

Added

- Proper k-space conversion routine for both manipulator & photon energy scans.
Uses a "rescaling" approach to account for momentum conservation, instead of
previous simple swapping of axes values.

Changed

- Python version >3.8 is now required, rather than previous >3.7.

Fixed

- Issue 28: colorscales now work as expected again.
- Appearance issues of `QTabWidget` on Windows.
- Several small bugfixes.

Fixed

- Issue 27 & 33: Save button now working properly.
- Issue 29: Commented a part of the code in `cmaps.py` which was attempting
to load `data-slicer` colormaps. See issue 29. PIT now opening from piva.
- Issue 30: Inverting colorscale in 2D viewer.
- Issue 31: c-axis field accepts values beyond 10 Angstrom.
- Issue 32: metadata-window now has a scrollbar.

Added

- "Open in PIT" button