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Version: 7.3.0

polygonSmooth

描述​

🌐 Description

平滑一个 多边形 或 多多边形。基于 Chaikin 算法。 警告：可能会生成退化多边形。

🌐 Smooths a Polygon or MultiPolygon. Based on Chaikin's algorithm. Warning: may create degenerate polygons.

参数​

🌐 Parameters

名称类型描述
inputPolysFeatureCollection<Polygon | MultiPolygon> | Feature<Polygon | MultiPolygon> | Polygon | MultiPolygon(多)多边形 平滑处理
options?Object可选参数 (默认 {})
options.iterations?string平滑多边形的次数。值越高，多边形越平滑。(默认值 1)

返回​

🌐 Returns

FeatureCollection<Polygon | MultiPolygon> 包含平滑多边形/多多边形的要素集合

示例​

🌐 Examples

var polygon = turf.polygon([
  [
    [11, 0],
    [22, 4],
    [31, 0],
    [31, 11],
    [21, 15],
    [11, 11],
    [11, 0],
  ],
]);

var smoothed = turf.polygonSmooth(polygon, { iterations: 3 });

安装​

🌐 Installation

$ npm install @turf/polygon-smooth

import { polygonSmooth } from "@turf/polygon-smooth";
const result = polygonSmooth(...);
$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.polygonSmooth(...);