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v1.0.0-rc.166 (#76)
* `rugnux --mode calibration` writes `<prefix>.json` beside the `.poni`, whose `dataset_settings` member is a `jfjoch_broker` `dataset_settings` body as it stands.
* `rugnux` and `jfjoch_viewer` read PILATUS miniCBF sweeps natively, without conversion.
* Masters written by other facilities open, including Eiger 1.x and third-party NXmx variants.
* `rugnux` measures the beam centre on every run, and indexes with it when the file's value indexes nothing.
* A detector swung out on a 2theta arm is placed where the file says it stands, and the calibration can hold the tilt fixed.
* `rugnux` writes the unmerged MTZ by default, and a P1 merge beside it, so a wrong space group can be re-merged without reprocessing.
* Significant improvements to symmetry handling in `rugnux`: the lattice, the point group, the setting and the systematic absences.
* The `rugnux` report gives the resolution the CC1/2 fit reached, beside the range the reflections were written to.
* The `rugnux` report gives the twinning statistics measured before the space group was decided, beside the ones measured after.
* The `rugnux` report gives the strong-direction diffraction limit, and warns when CC1/2 is not monotone with resolution.
* `rugnux` ranks screw axes on the evidence their absences carry, rather than on how many control reflections a candidate happens to have.
* Twinning is no longer reported when the L-test contradicts it.
* The `rugnux` report gives the detector tilt, the measured tilt and the direct beam beside the beam centre, and a post-refined beam centre is judged against the run's own measurement rather than the file's.
* `--no-refine-tilt` holds the detector tilt at the value in the file, instead of zeroing it, when the calibration starts from the spots.
* The `jfjoch_viewer` grid scan view draws the cells in the proportion of the scan steps, so the map has the shape of the scanned area.

Reviewed-on: #76
Co-authored-by: Filip Leonarski <filip.leonarski@psi.ch>
2026-09-02 21:17:31 +02:00

1.8 KiB

GridScan

Definition of a grid scan. Combine it with a goniometer axis to state the angle the spindle stood at: send goniometer with step 0 and the start angle of the grid scan, and that angle is written per image into the NXmx sample transformation chain. Without one the spindle is recorded at 0, which says that nobody stated an angle rather than that the spindle stood at 0.

Properties

Name Type Description Notes
n_fast int Number of elements in the fast direction
step_x_um float Step in grid along the fast direction. Can be negative. Positive number: left to right Negative number: right to left
step_y_um float Step in grid along the slow direction. Can be negative. Positive number: top to bottom Negative number: bottom to top
vertical bool If disabled: fast direction = X, slow direction = Y If enabled: fast direction = Y, slow direction = X [optional] [default to False]
snake bool Flip fast direction for every second row [optional] [default to False]

Example

from jfjoch_client.models.grid_scan import GridScan

# TODO update the JSON string below
json = "{}"
# create an instance of GridScan from a JSON string
grid_scan_instance = GridScan.from_json(json)
# print the JSON string representation of the object
print(GridScan.to_json())

# convert the object into a dict
grid_scan_dict = grid_scan_instance.to_dict()
# create an instance of GridScan from a dict
grid_scan_from_dict = GridScan.from_dict(grid_scan_dict)

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