🆕 Improve Support for QuPath GeoJson and Multipoint Geometry

[measty]

This PR makes a collection of changes related to reviewer comments in the TIAViz paper.

Main changes are:

1. Layer names in the interface for static image overlays now are named after filename stem, instead of generic 'layer1', 'layer2' etc to make it easier to distinguish the layers.
2. Adds multipoint geometry rendering as qupath exports collections of points as multipoints not individual point annotations
3. Robustifies qupath import from geojson to handle qupath special case of nucleusGeometry.

[Copilot]

Pull Request Overview

This PR addresses reviewer feedback for the TIAViz paper by updating the overlay naming scheme, adding multipoint geometry rendering, and robustifying geojson importing for the qupath nucleusGeometry format.

• Renames static image overlay layers to the filename stem.
• Introduces multipoint geometry rendering in the tile renderer and adds associated tests.
• Enhances geojson import logic to handle qupath's nucleusGeometry.

Reviewed Changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tiatoolbox/visualization/tileserver.py	Uses the file stem for overlay layer naming instead of a generic index.
tiatoolbox/visualization/bokeh_app/main.py	Adjusts slider and alpha mappings to use the new naming scheme.
tiatoolbox/utils/visualization.py	Adds multipoint geometry rendering methods and updates rendering logic.
tiatoolbox/tools/pyramid.py	Minor update: adds type import for Literal.
tiatoolbox/annotation/storage.py	Incorporates qupath's nucleusGeometry into the geojson transformation.
tests/test_tileserver.py	Updates tests for overlay naming consistency.
tests/test_app_bokeh.py	Updates slider tests to reflect the new naming convention.
tests/test_annotation_tilerendering.py	Adds tests for multipoint geometry rendering.

Comments suppressed due to low confidence (2)

tiatoolbox/visualization/tileserver.py:516

• Ensure that deriving overlay layer names solely from file stems does not lead to naming conflicts if multiple overlays share the same filename stem. Consider appending an index or unique identifier if duplicates may occur.

layer = overlay_path.stem

tiatoolbox/utils/visualization.py:856

• Replacing self.thickness with -1 in the cv2.circle call forces a filled circle, which may bypass intended thickness settings. Verify that this change produces the expected visual output for point annotations.

thickness=-1,

[shaneahmed]

Thanks @measty It looks good to me.

I have added a few comments and there are some conflicts to resolve before we merge.

[measty]

Thanks @measty It looks good to me.

I have added a few comments and there are some conflicts to resolve before we merge.

I've addressed the comments and the conflict, looks like I still need to add a test though

[shaneahmed]

Thanks @measty This looks good.