KBE3D / KBCore / turf / dissolve

函数: dissolve()

dissolve(fc: FeatureCollection<Polygon>, options?: { propertyName?: string; }): FeatureCollection<Polygon>

Function

Dissolves a FeatureCollection of Polygon features, filtered by an optional property name:value. Note that MultiPolygon features within the collection are not supported

参数

fc

FeatureCollection<Polygon>

options?

Optional parameters

propertyName?

string

features with the same propertyName value will be dissolved.

返回

FeatureCollection<Polygon>

a FeatureCollection containing the dissolved polygons

示例

var features = turf.featureCollection([
  turf.polygon([[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]], {combine: 'yes'}),
  turf.polygon([[[0, -1], [0, 0], [1, 0], [1, -1], [0,-1]]], {combine: 'yes'}),
  turf.polygon([[[1,-1],[1, 0], [2, 0], [2, -1], [1, -1]]], {combine: 'no'}),
]);

var dissolved = turf.dissolve(features, {propertyName: 'combine'});

//addToMap
var addToMap = [features, dissolved]