Skip to content

Updates ACT coverage (ChatGPT) - #41

Open
JBorrow wants to merge 4 commits into
mainfrom
update_act_coverage
Open

JBorrow wants to merge 4 commits into
mainfrom
update_act_coverage

Conversation

@JBorrow

@JBorrow JBorrow commented Oct 8, 2026

Copy link
Copy Markdown
Member

Updates the coverage system to provide corrected coverage for ACT Depth-1 maps. The previous system was providing coverage squares that were 180 degrees off in RA, that was compensated for in the plotting script.

act_coverage 01_depth1_1566940189_pa5_f150

@JBorrow
JBorrow requested review from Sulla2012 and a balanced review from Copilot October 8, 2026 13:53

Copilot AI left a comment

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

🟡 Changes recommended

Existing ACT tests use removed APIs and old coordinate compensation, and the replacement path lacks coverage.

3 open findings
What changed in this PR

Corrects ACT Depth-1 sky coverage coordinates and updates visualization and documentation.

Changes:

  • Computes coverage from finite, nonzero pixel centers with normalized RA.
  • Adds transactional --replace regeneration.
  • Updates coverage plotting and index documentation.
File Description
README.md Documents coverage generation and replacement.
mapcat/​toolkit/​update_sky_coverage.py Implements corrected tile calculation and replacement.
mapcat/​toolkit/​plot_tiles.py Plots maps and coverage in celestial coordinates.
mapcat/​database/​sky_coverage.py Corrects documented index ranges.

🧠 Review effort: Balanced


Give feedback about Copilot approvals in this survey to enter a drawing for a $150 gift card.

Comment thread mapcat/toolkit/update_sky_coverage.py
Comment thread mapcat/toolkit/update_sky_coverage.py Outdated
Comment thread mapcat/toolkit/update_sky_coverage.py

This branch has not been deployed

No deployments
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants