File modules/util/Coordinates.class.php

Last commit: Mon Apr 22 22:29:49 2024 +0200	Jan Dankert	Editing coordinates now possible.


     1 <?php
     2 namespace util;
     3 
     4 class Coordinates
     5 {
     6 	private $lat;
     7 	private $long;
     8 
     9 	const FORMAT_WGS84_DEGREES = 1;
    10 	const FORMAT_WGS84_DEGREES_MINUTES = 2;
    11 	const FORMAT_WGS84_DEGREES_MINUTES_SECONDS = 3;
    12 	const FORMAT_UTM = 4;
    13 	const FORMAT_PLUSCODE = 5;
    14 
    15 	/**
    16 	 * @param $long
    17 	 * @param $lat
    18 	 */
    19 	public function __construct($long, $lat)
    20 	{
    21 		$this->lat = $lat;
    22 		$this->long = $long;
    23 	}
    24 
    25 	public function __toString()
    26 	{
    27 		return "".$this->lat."° ".$this->long."°";
    28 	}
    29 
    30 	public function format( $type )
    31 	{
    32 		switch( $type ) {
    33 			case self::FORMAT_WGS84_DEGREES:
    34 			default:
    35 				return "".abs($this->lat)."°".($this->lat<0?"S":"N").", ".abs($this->long)."°".($this->long<0?"W":"E");
    36 		}
    37 	}
    38 
    39 
    40 	/**
    41 	 * @param $otherCoordinates Coordinates
    42 	 * @return float|int
    43 	 */
    44 	function distanceTo($otherCoordinates) {
    45 		if (($this->lat == $otherCoordinates->lat) && ($this->long == $otherCoordinates->long)) {
    46 			return 0;
    47 		}
    48 		else {
    49 			$theta = $this->long - $otherCoordinates->long;
    50 			$dist = sin(deg2rad($this->lat)) * sin(deg2rad($otherCoordinates->lat)) +  cos(deg2rad($this->lat)) * cos(deg2rad($otherCoordinates->lat)) * cos(deg2rad($theta));
    51 			$dist = acos($dist);
    52 			$dist = rad2deg($dist);
    53 			$miles = $dist * 60 * 1.1515;
    54 
    55 			//return ($miles * 1.609344); // KM
    56 			return $miles; // miles
    57 		}
    58 	}
    59 }



Download modules/util/Coordinates.class.php


History
Mon, 22 Apr 2024 22:29:49 +0200	Jan Dankert	Editing coordinates now possible.
Wed, 17 Apr 2024 00:34:07 +0200	Jan Dankert	New: Inputfields for coordinates; coordinates are stored in the now 64bit-number-field of the value.