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Implement Figure-level overlay architecture with two-pass drawing - #32199
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Vikash-Kumar-23 wants to merge 9 commits into
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Implement Figure-level overlay architecture with two-pass drawing#32199Vikash-Kumar-23 wants to merge 9 commits into
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I think you need three tests here:
- base
- overlay
- composite
b/c if you have to knock out the patch on the overlay, that seems to indicate you're not getting clean independence.
ksunden
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The main idea for this review is to push towards making the layering system more generic. Instead of just one overlay, it is possible to extend into more, which has the added benefit of enabling us to clean up the code and reduce duplicated code.
I've laid out a series of specific changes that I think will add up to making this more useful and cleaner, outlined below.
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story645
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PR summary
This PR introduces a foundational Figure-level overlay architecture to
figure.py. It implements a two-pass drawing system, allowing developers to cleanly segregate base plot artists from overlay artists.Key Changes:
_children_by_layerdictionary inFigureBase. Artists are now routed to distinct lists based on their layer (e.g.,"base","overlay"), andself.patchhas been isolated into its own dedicated"patch"layer.Figure.draw()andSubFigure.draw()to execute in multiple passes using a new, generic_draw_layer(renderer, layer_name)method. The strict sequence is now:"patch"layer: Renders the figure background first."base"layer: Renders all standard artists."overlay"layer: Renders all overlay artists last.layer=Nonekeyword-only argumentadd_artistandget_childrenAddresses #30515
AI Disclosure
AI tools were used to assist in drafting text and suggesting validation scenarios.
All code changes, final implementation decisions, and verification were done manually.
PR quality check