Proj4js
JavaScript library for reprojecting coordinates between coordinate systems, including datum transformations.
MIT
About
Proj4js transforms point coordinates between coordinate reference systems, including datum transformations. It runs in browsers and Node.js and accepts PROJ strings, WKT, and PROJJSON definitions, with support for Helmert and grid-based adjustments. It provides a JavaScript implementation of coordinate operations commonly handled by the PROJ library.
Features
- Transforms point coordinates between coordinate systems
- Supports datum transformations and grid shifts
- Accepts PROJ strings, WKT and PROJJSON
- Runs in browsers and Node.js
- Includes Helmert transformation support
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Details
- Type
- Library
- Pricing
- open-source
- License
- MIT
- Hosting
- Self-host