Mark Keller

**User story** In the Vitessce python package, we do not validate the view config but we could. **Preferred solution** Because the view config schema is currently across multiple JSON files...

Vector export for DeckGL-based views

1

**User story** User wants SVG/PDF export for every visualization no matter which framework was used to implement it. **Preferred solution** - Vega-Lite supports SVG/PDF export via its menu button in...

Support AnnData-Zarr objects from anndata python package version 0.8.0 and newer

2

**User story** AnnData objects written to Zarr stores using the `anndata` Python package version 0.8.0 and newer store categorical arrays differently than our current AnnData loaders expect. Related to https://github.com/vitessce/vitessce-python/issues/124#issuecomment-1080007717...

Multiple gene selection with dot plot

1

**User story** From a HuBMAP member: > How to view more than 1 gene, dot plots? **Preferred solution** Implement multiple gene selection with a shift+click / command+click interaction. Implement dot...

**User story** It can be tricky to visualize prediction scores for cell type annotations with only opacity. We can add a new mode to map the prediction score for each...

**User story** User wants to know whether the prediction score distribution (for cell type annotations) differs by cell type. **Preferred solution** Use vega-lite to implement a new violin plot. Preferably...

Documentation shortcuts / "wizard"

4

**User story** User is a biologist and has a dataset they want to visualize. We should point them directly to an example and the relevant documentation pages. **Preferred solution** We...

Support signature score visualization

1

**User story** Input a gene list (i.e., the user selects multiple genes) **Preferred solution** Render a visualization using a linear combination of the expression values for the selected genes (a...

**User story** See https://twitter.com/rgranit/status/1531356951753506817?s=20&t=OGebyxqU3MSI0M4zQrJJyw  **Preferred solution** Leverage https://github.com/vitessce/vitessce/issues/1241: - In the `cellSetSizes` view, support two cell set selection coordination scopes. - Map the first to the x-axis and the...

[PR diagram](https://docs.google.com/drawings/d/1gCFPt9yA5R-BxAToZYcD_Cf_QYzYoCpYr25ZAeA5XBY/edit) Fixes #1241 #### Background #### Change List - #### Checklist - [ ] Ensure PR works with all demos on the dev.vitessce.io homepage - [ ] Open (draft)...