Question 1

How do I export a static PNG image from Plotly.rs?

Accepted Answer

Enable the static_export_default feature and use plot.write_image() with ImageFormat::PNG, which requires a WebDriver-compatible browser and driver installed. For example, plot.write_image('out.png', ImageFormat::PNG, 800, 600, 1.0) generates a PNG file.

Question 2

Plotly.rs vs plotters: which should I use for Rust plotting?

Accepted Answer

Plotly.rs is ideal for interactive, web-based visualizations using Plotly.js, while plotters is a pure Rust library for static images. Choose Plotly.rs if you need HTML output or WASM support; plotters for environments without JavaScript.

Question 3

Can I use Plotly.rs in a Yew web app?

Accepted Answer

Yes, Plotly.rs supports WASM and integrates with Yew. Include Plotly.js in your HTML template and use plotly::bindings::new_plot() to render plots, as shown in the WASM usage example with async functions.

Question 4

How to handle large datasets with Plotly.rs?

Accepted Answer

Use downsampling methods like LTTB via external crates such as minmaxlttb-rs, as described in the timeseries downsampling section. This reduces point count while preserving visual characteristics for efficient plotting.

Question 5

Does Plotly.rs support 3D plots like scatter3d?

Accepted Answer

Yes, since it wraps Plotly.js, 3D plots are supported through trace types like Scatter3d, but you need to check the Rust API documentation for specific implementations and available methods.

Question 6

How to embed Plotly.js in HTML without a CDN using Plotly.rs?

Accepted Answer

Enable the plotly_embed_js feature flag during compilation, which embeds the Plotly.js library directly into HTML files for faster loading. You can still opt for CDN with use_cdn_js() if needed.

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