scipp / scipp/ess

SANS beam center correction may need to be applied differently

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esssans
Dominant language
Python
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1
Forks
3
Avg merge
2d 11h
Merged PRs (30d)
17

Description

Based on Slack discussion in #dmsc-loki:

Currently the correction is applied as a fixed shift to all pixels. However, since LoKI has banks at different Z this may be incorrect.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Locate the current SANS beam center correction implementation and review how the fixed pixel shift is calculated for LoKI. Determine how differing bank Z positions affect the correction, then add or update focused coverage showing the expected behavior for banks at different Z.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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