siddthartha / geo-area
Geographical area of given polygon in WGS84
dev-master
2015-12-09 08:24 UTC
Requires
- php: >=5.4.0
- components/qunit: ^1.11
Requires (Dev)
- phpunit/phpunit: ^4
This package is not auto-updated.
Last update: 2024-03-20 16:46:43 UTC
README
Вычисление площади полигона в координатах WGS'84. Порт Python-алгоритма на PHP и JS. Статья источник: http://gis-lab.info/qa/polygon-area-sphere-ellipsoid.html
Установка
В корне модуля:
.../geo-area-calculator$ composer install
Если необходимы js-тесты:
.../geo-area-calculator$ npm install
Тесты
PHP
.../geo-area-calculator$ phpunit
JavaScript
.../geo-area-calculator$ npm test
Примеры
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)