Virtual Cyclist

Core utilities and theme for Classic Theme maps

Simplify a line: a drop in replacement for d3.line

Pure Node.js tiling pipeline for ARINC-derived geospatial features.

Generate portolani: simplified, delta-encoded coastline and land geometry from Natural Earth, with the provenance to reproduce it

Create compact map SVGs and GeoJson subsets

To install dependencies:

Small collection of geometry algorithms in Haxe 3.

✨ OSM Router (Open Street Router) made with TypeScript and Rust

A GPX parser that converts the coordinates from Strava GPX file to simplified GeoJSON

Mutable Pipeline Pattern for real-time stroke stabilization

simplify 2D polyline

Interactive drawing canvas plugin for NativeScript – draw shapes, images and freehand paths with multiple modes, layers, undo/redo and JSON serialization.

Type an address, get a pictogram map. Korean-style 약도, auto-generated. MCP server + CLI.

Trajectory-simplification-js is a JavaScript library that provides a collection of trajectory simplification algorithms for developers. The library offers various popular algorithms to simplify trajectory data by removing redundant points while preserving

First-party atlas baker — packs source images into a sprite atlas and generates tight polygon meshes from alpha silhouettes for the overdraw-reduction path

A JavaScript/TypeScript library for handling Polygon geometry according to OGC standards with advanced geometric operations

Provides a few of the path decimation algorithms we use when handling large GPS datasets

turf simplify module

Fast continuous level of detail geometry simplification using the Visvalingam area approach. Provides methods for simplifying to a target point count or percentage in addition to point-area significance.