area

[morganherlocker]

Returns the area of a polygon in a specified unit.

g.area(poly, 'miles', function(err, area){
  console.log(area)
})

[morganherlocker]

algorithm:

1. break multipolys into polygons
2. run seidel on all polygons and append resulting triangles to an array
3. calculate area of each triangle area = 0.5 * base * height and add the result to a running area sum

[tmcw]

Is this faster than yer basic geodesic area? Seems siedel is O(nlog*n) and the traditional method is O(n)

[morganherlocker]

@tmcw :+1: cool, was not aware of that repo. Should be faster and more accurate than my proposal, so I might just wrap it with turf conventions.

[tmcw]

⇢ https://github.com/Turfjs/turf-area

[tmcw]

turf-area is documented, landed, and in package.json.