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Shape's outline color from a table column #137
Description
Currently, the color of a set of shapes can be set according to a column in the table, but for the outline, it's only possible to specify a single color common to all shapes.
I would like to propose the possibility to select different outline colors for different shapes.
My use case is that I automatically generate annotated regions around certain groups of cells and I want to display only the outline because these regions can contain heterogeneous cells (colored + grey) that I still want to be able to show, as in the example in the following image.
If you think it's a good idea I can attempt a PR :)
Activity
LucaMarconato commentedon Aug 15, 2023
Hi @marcovarrone, the addition of this feature would very nice, if you could propose a PR it would be super! We are happy to review it and assist you with technical questions.
giovp commentedon Aug 28, 2023
btw should also specify that you can achieve something similar by using the
contourargument, instead of the outline, which leverages https://scikit-image.org/docs/stable/api/skimage.morphology.html#skimage.morphology.erosionzhouzhendiao commentedon Sep 10, 2025
Hi @marcovarrone, Recently I have been playing around with Xenium datasets using Xenium Explorer and found it very informative to visualize the morphology image with cell outlines colored by cell types.
Since
spatialdata-plot(until0.2.11.dev18+gc5cb734) still can not control the shape's outline color by table column. Can you create a PR or share the code?Many thanks!
timtreis commentedon Mar 30, 2026
Now available in main via
outline_color