# tin

Takes a set of points and creates a Triangulated Irregular Network , or a TIN for short, returned as a collection of Polygons. These are often used for developing elevation contour maps or stepped heat visualizations.


参数 类型 描述
points FeatureCollection <Point> input points
z (String) name of the property from which to pull z values This is optional: if not given, then there will be no extra data added to the derived triangles.


FeatureCollection <Polygon> - TIN output


// generate some random point data
var points = turf.randomPoint(30, {bbox: [50, 30, 70, 50]});

// add a random property to each point between 0 and 9
for (var i = 0; i < points.features.length; i++) {
  points.features[i].properties.z = ~~(Math.random() * 9);
var tin = turf.tin(points, 'z');
Last Updated: 1/19/2021, 10:59:20 AM