ibrahimcesar/velociplot

LaTeX math rendering in labels

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#19 opened on Nov 29, 2025

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help wantedpriority: lowtype: feature

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 (3 stars)
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Description

Description

Support LaTeX-style math notation in axis labels, titles, and legends.

Example

```rust axis.label(r"$\alpha = \frac{\beta}{\gamma}$") ```

Tasks

  • Research math rendering approaches (rustybuzz, custom parser)
  • Implement basic math symbol support
  • Implement subscripts/superscripts
  • Implement fractions
  • Implement Greek letters
  • Add feature flag

Acceptance Criteria

  • Common math notation renders correctly
  • Performance acceptable
  • Works with all backends (PNG, SVG, PDF)

Contributor guide

Research direction
Research available math rendering libraries in Rust, such as rustybuzz or custom parser, then implement basic math symbol support.
Tech stack
rust
Domain
data 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.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60