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Version: 7.2.0

booleanPointOnLine

描述

¥Description

如果点位于直线上,则返回 true。接受可选参数以忽略线串的起始和终止顶点。

¥Returns true if a point is on a line. Accepts a optional parameter to ignore the start and end vertices of the linestring.

参数

¥Parameters

名称类型描述
pt坐标系GeoJSON 点
line特性<LineString>GeoJSON 线串
options?对象可选参数(默认 {})
options.ignoreEndVertices?boolean是否忽略起点和终点。(默认 false)
options.epsilon?number用于与叉积结果进行比较的分数。用于处理浮点数,例如经纬度点

返回

¥Returns

boolean 真/假

¥boolean true/false

示例

¥Examples

var pt = turf.point([0, 0]);
var line = turf.lineString([
[-1, -1],
[1, 1],
[1.5, 2.2],
]);
var isPointOnLine = turf.booleanPointOnLine(pt, line);
//=true

安装

¥Installation

$ npm install @turf/boolean-point-on-line

import { booleanPointOnLine } from "@turf/boolean-point-on-line";
const result = booleanPointOnLine(...);
$ npm install @turf/turf

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