使用geoPHP指向多边形 [英] Point in polygon using geoPHP

问题描述

我想检查一个点是否存在于多边形中，或者不在Drupal中使用GEOPHP。我创建了多边形并从 http://www.birdtheme.org/useful/获取了坐标v3tool.html 。

  $ userLocation = geoPHP :: load（POINT（77.600555 12.965416），wkt ）; 
 $ storeServingArea = geoPHP :: load（POLYGON（（77.569656 12.986159，77.596779 12.993518，77.622185 12.973780，77.623215 12.954710，77.608109 12.945676，77.577896 12.945341，77.565880 12.957386，77.565193 12.976122，77.568970 12.985824）），wkt） ; 
 var_dump（$ storeServingArea->包含（$ userLocation））; 
  

此代码给出的结果为 NULL 。

然后我试图交换经纬度的值，然后像这样测试：

  $ b 
 code> $ userLocation = geoPHP :: load（POINT（12.965416 77.600555），wkt）; 
 $ storeServingArea = geoPHP :: load（POLYGON（（12.986159 77.569656,12.993518 77.596779,12.973780 77.622185,12.954710 77.623215,12.945676 77.608109,12.945341 77.577896,12.957386 77.565880,12.976122 77.565193,12.985824 77.568970）），wkt） ; 
 
 var_dump（$ storeServingArea->包含（$ userLocation））; 
  

这也给出了 NULL 的结果。

我在这里可能犯的错误是什么？如何修复它？

解决方案：

有用的链接：检查Google Map Point是否在多边形中来自PHP

我通过以下链接解决了我的问题：
http://assemblysys.com/php-point-in-polygon-algorithm/

我为此分叉了geoPHP并添加了Polygon-> pointInPolygon和MultiPolygon-> pointInPolygon方法。看一看： https://github.com/sookoll/geoPHP

  $ point = \geoPHP :: load（'POINT（xy）'，'wkt'）; 
 $ polygon = \geoPHP :: load（'POLYGON（（x y ...））'，'wkt'）; 
 $ point_is_in_polygon = $ polygon-> pointInPolygon（$ point）; 
  

I want to check a point exists in a polygon or not using GEOPHP in Drupal. I have created the polygon and got the coordinates from http://www.birdtheme.org/useful/v3tool.html.

$userLocation = geoPHP::load("POINT(77.600555 12.965416)","wkt");
$storeServingArea=geoPHP::load("POLYGON((77.569656 12.986159, 77.596779 12.993518, 77.622185 12.973780, 77.623215 12.954710, 77.608109 12.945676, 77.577896 12.945341, 77.565880 12.957386, 77.565193 12.976122, 77.568970 12.985824))","wkt");
var_dump($storeServingArea->contains($userLocation));

This code gives the result as NULL.

Then I tried to exchange the values of latitude and longitude and tested like this:

$userLocation = geoPHP::load("POINT(12.965416 77.600555)","wkt");
$storeServingArea=geoPHP::load("POLYGON((12.986159 77.569656, 12.993518 77.596779, 12.973780 77.622185, 12.954710 77.623215, 12.945676 77.608109, 12.945341 77.577896, 12.957386 77.565880, 12.976122 77.565193, 12.985824 77.568970))","wkt");

var_dump($storeServingArea->contains($userLocation));

This also give the result as NULL.

What could be the possible mistake I'm doing here? how can I fix it?

SOLUTION:

Helpful link: Check if Google Map Point is in polygon from PHP

I fixed my issue with the following link: http://assemblysys.com/php-point-in-polygon-algorithm/

解决方案

I have forked geoPHP and added Polygon->pointInPolygon and MultiPolygon->pointInPolygon methods for that purpose. Take a look: https://github.com/sookoll/geoPHP

$point = \geoPHP::load('POINT (x y)','wkt');
$polygon = \geoPHP::load('POLYGON ((x y...))','wkt');
$point_is_in_polygon = $polygon->pointInPolygon($point);

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