悉达多/geo-area

给定多边形的WGS84坐标下的地理区域

维护者

详细信息

github.com/siddthartha/geo-area-calculator

源代码

问题

安装: 33

依赖: 0

建议者: 0

安全: 0

星级: 1

关注者: 1

分支: 1

公开问题: 0

dev-master 2024-05-03 10:08 UTC

Requires

Requires (Dev)

MIT 23ba27bd00cdde557ee3ead6cbd280fd33dbfe38

  • Anton Sadovnikoff <sadovnikoff.woop@gmail.com>

This package is not auto-updated.

Last update: 2024-09-18 19:12:40 UTC

README

在WGS'84坐标下计算多边形面积。将Python算法移植到PHP和JS。

安装

在项目根目录下

.../geo-area-calculator$ composer install

如果需要js测试

.../geo-area-calculator$ npm install

测试

PHP

.../geo-area-calculator$ phpunit

JavaScript

.../geo-area-calculator$ npm test

示例

JavaScript

alert( ffGeo.getGeoPolygonArea(
			[
				[ -10.812317, 18 ],
				[ 10.812317, -18 ],
				[ 26.565051,  18 ],
				[ 52.622632, -18 ],
				[ 52.622632,  54 ],
				[ 10.812317,  54 ],
				[ -10.812317, 18 ],
			]
) );

PHP

use siddthartha\geo\area\helpers\GeoAreaCalculator;

echo GeoAreaCalculator::getArea(
        [
                [ -10.812317, 18 ],
                [ 10.812317, -18 ],
                [ 26.565051,  18 ],
                [ 52.622632, -18 ],
                [ 52.622632,  54 ],
                [ 10.812317,  54 ],
                [ -10.812317, 18 ],
        ]
);
// 33953235824742.51 (sq.meters)