MJ lintangtimur

## point_in_polygon.php
<?php


/* is (lon, lat) inside the polygon $p?
 * use ray casting algorithm (http://en.wikipedia.org/wiki/Point_in_polygon)
 * ie. project a horizontal line from our point to each segment
 * code adapted from http://stackoverflow.com/questions/14149099/raycasting-algorithm-with-gps-coordinates
 */
function inside_polygon($test_point, $points) {

## gist:1885435

      
              1 file
            
          
              867 forks
            
          
              187 comments
            
          
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                CristinaSolana
                / gist:1885435
            
            
              Created
              February 22, 2012 14:56
            
              
                Keeping a fork up to date
              
          
    1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream
	<?php


	/* is (lon, lat) inside the polygon $p?
	* use ray casting algorithm (http://en.wikipedia.org/wiki/Point_in_polygon)
	* ie. project a horizontal line from our point to each segment
	* code adapted from http://stackoverflow.com/questions/14149099/raycasting-algorithm-with-gps-coordinates
	*/
	function inside_polygon($test_point, $points) {