scverse / scverse/napari-spatialdata

make multicolor images

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Dominant language
Python
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Description

Thanks for all your work on spatialdata and napari viewer.

Unless i have missed it, one missing aspect i would like is the ability to make multicolor images of image elemtns in spatialdata objects, within the spatial-data napari viewer plugin. So far as i can tell, this is not possible.

Expected behaviour

  1. Load spatial data in napari with spatialdata plugin
  2. Select coordinate system, load image element
  3. Select a channel, adjust colormap and contrast limits
  4. Select another channel, repeat step 3 until showing all channels as one would like
  5. Have multichannel view of image, on which can overlay mask elements

Issue
Selecting a second channel, resets the whole image. Can only view one image at a time

Potential solutions
Option to load channels as individual image layers?

Contributor guide

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Reproduce the issue in the napari spatialdata plugin using the five-step workflow described: load an image element, adjust one channel, then select another. Trace how channel selection resets the image, and confirm the existing behavior for overlaying mask elements. Done means multiple selected channels remain visible together with independent colormaps and contrast limits, while mask overlays still work.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
data-visualization
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
52/100

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