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Support for gridding full singledish mosaics - #414

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sd-grid-together
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sd-grid-together

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@thomaswilliamsastro

@thomaswilliamsastro thomaswilliamsastro commented Oct 21, 2026 •

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Draft for now while the NGC253 stress-test runs

This PR adds support for combining multiple different TP mosaics together at once. It essentially loops over each MOUS, performing the calibration, before splitting out the field name (as defined in the ms_keys) and performing one big tsdimaging call at the end. This seems to be performing better than trying to linearly mosaic at the end.

It also takes a bit of time to try and improve on the "overwrite" switch in the pipeline. If False it should now just zoom through and not do any heavy processing. Default remains True, for backwards compatibility.

NGC7793:

image
  • Add support for gridding multiple mosaics in the SD pipeline
  • Do a better job with the overwrite switch for the SD pipeline

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codecov Bot commented Oct 21, 2026 •

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Codecov Report

❌ Patch coverage is 3.89610% with 74 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (master@4499bde). Learn more about missing BASE report.
✅ All tests successful. No failed tests found.

Additional details and impacted files
@@            Coverage Diff            @@
##             master     #414   +/-   ##
=========================================
  Coverage          ?   12.49%           
=========================================
  Files             ?       43           
  Lines             ?    16919           
  Branches          ?     4017           
=========================================
  Hits              ?     2114           
  Misses            ?    14571           
  Partials          ?      234           
Components Coverage Δ
casa 4.81% <4.83%> (?)
handler 14.53% <0.00%> (?)
spectral-cube 10.16% <ø> (?)
utils 20.28% <ø> (?)

@thomaswilliamsastro
thomaswilliamsastro force-pushed the sd-grid-together branch 2 times, most recently from d01addb to 5770224 Compare October 27, 2026 16:21
**Draft for now while the NGC253 stress-test runs**

This PR adds support for combining multiple different TP mosaics together at once. It essentially loops over each MOUS, performing the calibration, before splitting out the field name (as defined in the ms_keys) and performing one big tsdimaging call at the end. This seems to be performing better than trying to linearly mosaic at the end.

It also takes a bit of time to try and improve on the "overwrite" switch in the pipeline. If False it should now just zoom through and not do any heavy processing. Default remains True, for backwards compatibility.

- Add support for gridding multiple mosaics in the SD pipeline
- Do a better job with the overwrite switch for the SD pipeline
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