README.md

mpoly

Convert Input to a GeoJSON-Like MultiPolygon Geometry

supported formats

• GeoJSON
• ArcGIS JSON
• Multidimensional Numerical Arrays

usages

import mpoly from "mpoly";

// data can be any GeoJSON type or ArcGIS JSON
const data = {
  type: "FeatureCollection",
  features: [ ... ]
};

mpoly.get(data);
[
  // first polygon
  [
    [ [40, 40], [20, 45], [45, 30], [40, 40] ]
  ],

  // second polygon
  [
    [ [20, 35], [10, 30], [10, 10], [30, 5], [45, 20], [20, 35] ], // exterior ring
    [ [30, 20], [20, 15], [20, 25], [30, 20] ], // hole
  ]
]