biocore/qurro

Add more direct control of what samples have what colors

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#263 opened on Jan 15, 2020

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enhancementgood first issue

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Description

This would allow users to still select general color schemes (e.g. tableau10), but also to modify individual samples' colors (like in Emperor).

This might be hairy to implement due to the same sorts of problems blocking #67 -- I'm not sure resolving this in an automatic fashion will be all that easy. Maybe later versions of Vega/Vega-Lite will make getting around these problems easier.

forum ref: https://forum.qiime2.org/t/boxplot-visualization-colours-through-qurro-and-songbird/13207

Contributor guide

Research direction
Investigate how color schemes and sample colors are currently implemented in Qurro (likely via Vega Lite). Study Emperor's approach to per sample color overrides. Review issue #67 for constraints on modifying color assignments. Explore Vega Lite documentation for applying custom colors to individual marks. Propose a design that allows overriding specific sample colors while maintaining a base scheme.
Tech stack
javascript
Domain
frontenddata visualization
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
JavaScriptVegaVega Lite
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50