httpgd

An HTTP/WebSocket graphics device for R. Serves plots asynchronously and includes an interactive web-based plot viewer. Built to embed live R graphics in IDEs and other applications.

Powered by unigd.

Features

• Fast, asynchronous plot rendering
• Interactive plot viewer with history and resizing
• Multiple concurrent clients
• Export to SVG, PNG, PDF, EPS, and more
• Stateless HTTP/WebSocket API

Demo

Installation

Install from CRAN:

install.packages("httpgd")

Or install the development version from GitHub:

# remotes::install_github("nx10/httpgd")
install.packages("httpgd", repos = c('https://nx10.r-universe.dev', 'https://cloud.r-project.org'))

See system requirements for details.

Documentation

• Getting started
• Plotting in unigd
• Function reference
• VS Code / RStudio / Docker
• HTTP/WebSocket API

Contributing

httpgd is written in C++, R, and TypeScript. Contributions of any kind are welcome.

Links

• Using httpgd in VSCode: A web-based SVG graphics device

License

Licensed under GPL v2.0. Webserver based on CrowCpp/Crow. Vendored license copies are in ./inst/licenses.