simplify coordinates by killometers
Scale of Cartesian Coordinates
Topology-preserving simplification and filtering for TopoJSON.
The primary entrypoint to the Firebase JS SDK
Remove leading indentation from ES6 template literals.
A better Object.defineProperty()
A high-performance JavaScript 2D/3D polyline simplification library
Find self-intersections in geojson polygon (possibly with interior rings)
A marked extension to convert Markdown to Plaintext
Reduces the number of points in a shape while keeping its overall look.
Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.
Validation, extraction and creation of IBAN, BBAN, BIC/SWIFT numbers plus some other helpful stuff like ISO 3136-1 alpha 2 country list
Delightful JavaScript Testing.
a point geometry with transforms
Delightful JavaScript Testing.
TypeScript definitions for d3-polygon
return all coordinates from a geojson object
A Javascript function for reading a variety of coordinate formats and converting to decimal numbers. Builds on other efforts by returning the verbatim coordinates and the decimal coordinates all in one object.
simplify-3D is a high-performance JavaScript 3D polyline simplification library
Apply Ramer-Douglas-Peucker line simplification to GeoJSON features or feature collections in JS or on the CLI
Martinez polygon clipping algorithm, does boolean operation on polygons (multipolygons, polygons with holes etc): intersection, union, difference, xor
Markdown configuration
Finds the angle formed by two adjacent segments.
Converts line(s) to polygon(s).