geojson-rewind
A JavaScript library to enforce correct polygon ring winding order in GeoJSON data for specification compliance.
What is geojson-rewind?
geojson-rewind is a JavaScript library that corrects the winding order of polygon rings in GeoJSON data to ensure compliance with the official RFC 7946 specification. It solves the common problem of invalid polygon orientations that cause rendering issues in mapping libraries and drawing tools. The tool adjusts ring directions so outer and inner rings follow the required clockwise or counterclockwise order.
Developers and data engineers working with GeoJSON data in mapping applications, GIS tools, or data pipelines who need to validate and correct geometry winding orders. It's particularly useful for those integrating with strict GeoJSON parsers or Canvas-based rendering.
It provides a lightweight, focused solution for a specific but critical GeoJSON compliance issue, with a simple API and multiple distribution formats (npm, CLI, browser). Unlike broader validation libraries, it specializes in winding order correction, ensuring compatibility with tools that rely on correct ring orientation for rendering.
Overview
enforce polygon ring winding order for geojson
Use Cases
Best For
- Ensuring GeoJSON polygon data meets RFC 7946 specification requirements
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