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MARTINI\n\n[![Build Status](https://travis-ci.com/mapbox/martini.svg?branch=master)](https://travis-ci.com/mapbox/martini) [![Simply Awesome](https://img.shields.io/badge/simply-awesome-brightgreen.svg)](https://github.com/mourner/projects)\n\nMARTINI stands for **Mapbox's Awesome Right-Triangulated Irregular Networks, Improved**.\n\nIt's an experimental JavaScript library for **real-time terrain mesh generation** from height data. Given a (2k+1) × (2k+1) terrain grid, it generates a hierarchy of triangular meshes of varying level of detail in milliseconds. _A work in progress._\n\nSee the algorithm in action and read more about how it works in [this interactive Observable notebook](https://observablehq.com/@mourner/martin-real-time-rtin-terrain-mesh).\n\nBased on the paper [\"Right-Triangulated Irregular Networks\" by Will Evans et. al. (1997)](https://www.cs.ubc.ca/~will/papers/rtin.pdf).\n\n![MARTINI terrain demo](martini.gif)\n\n## Example\n\n```js\n// set up mesh generator for a certain 2^k+1 grid size\nconst martini = new Martini(257);\n\n// generate RTIN hierarchy from terrain data (an array of size^2 length)\nconst tile = martini.createTile(terrain);\n\n// get a mesh (vertices and triangles indices) for a 10m error\nconst mesh = tile.getMesh(10);\n```\n\n## Install\n\n```bash\nnpm install @mapbox/martini\n```" }