isobands
描述
¥Description
获取一个包含 点 特性、z 值和值断点数组的正方形或矩形网格 FeatureCollection,并生成填充的等值线。
¥Takes a square or rectangular grid FeatureCollection of Point features with z-values and an array of value breaks and generates filled contour isobands.
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
pointGrid | FeatureCollection<点> | 输入点 - 必须是正方形或矩形 |
breaks | 数组<number> | 等高线绘制位置 |
options? | 对象 | 输出选项(默认 {}) |
options.zProperty? | string | points 中用于提取 z 值的属性名称(默认值为 'elevation') |
options.commonProperties? | 对象 | 传递给所有等值线的 GeoJSON 属性(默认 {}) |
options.breaksProperties? | 数组<对象> | 按顺序将 GeoJSON 属性传递给相应的等值线(顺序由断点定义)(默认 []) |
返回
¥Returns
FeatureCollection<MultiPolygon> 表示等值线的 MultiPolygon 特性的 FeatureCollection
¥FeatureCollection<MultiPolygon> a FeatureCollection of MultiPolygon features representing isobands
安装
¥Installation
$ npm install @turf/isobands
import { isobands } from "@turf/isobands";
const result = isobands(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.isobands(...);