Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
81.16% |
56 / 69 |
|
25.00% |
1 / 4 |
CRAP | |
0.00% |
0 / 1 |
| GeoCoordinate | |
81.16% |
56 / 69 |
|
25.00% |
1 / 4 |
40.28 | |
0.00% |
0 / 1 |
| getLatLonFromString | |
100.00% |
56 / 56 |
|
100.00% |
1 / 1 |
25 | |||
| getFloatFromString | |
0.00% |
0 / 6 |
|
0.00% |
0 / 1 |
42 | |||
| moveCoordinatesInMeters | |
0.00% |
0 / 2 |
|
0.00% |
0 / 1 |
2 | |||
| getDistanceInMeters | |
0.00% |
0 / 5 |
|
0.00% |
0 / 1 |
2 | |||
| 1 | <?php |
| 2 | namespace MultiMaps; |
| 3 | |
| 4 | /** |
| 5 | * This class provides functions for working with geographic coordinates |
| 6 | * |
| 7 | * @file GeoCoordinate.php |
| 8 | * @ingroup MultiMaps |
| 9 | * @author Pavel Astakhov <pastakhov@yandex.ru> |
| 10 | * @license GPL-2.0-or-later |
| 11 | */ |
| 12 | class GeoCoordinate { |
| 13 | |
| 14 | /** |
| 15 | * WGS 84 |
| 16 | * The length of the Earth's equator, meters |
| 17 | */ |
| 18 | const EQUATOR_LENGTH = 40075017; |
| 19 | |
| 20 | /** |
| 21 | * WGS 84 |
| 22 | * The length of the Earth's meredian, meters |
| 23 | */ |
| 24 | const MEREDIAN_LENGTH = 20003930; |
| 25 | |
| 26 | /** |
| 27 | * Converts the string with geographic coordinates to a numeric representation |
| 28 | * |
| 29 | * @assert ("55.755831°, 37.617673°") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 30 | * @assert ("N55.755831°, E37.617673°") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 31 | * @assert ("55°45.34986'N, 37°37.06038'E") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 32 | * @assert ("55°45'20.9916\"N, 37°37'3.6228\"E") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 33 | * @assert (" 37°37'3.6228\"E, 55°45'20.9916\" ") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 34 | * @assert (" 37°37'3.6228\", 55°45'20.9916\" N ") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 35 | * @assert ("55°45'20.9916\"N, 37°37'3.6228\"") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 36 | * @assert ("55°45'20.9916\", E37°37'3.6228\"") == array("lat" => 55.755831, "lon"=> 37.617673) |
| 37 | * @assert (" 10 , - 10 ") == array("lat" => 10, "lon"=> -10) |
| 38 | * @assert ("-10°,s10 ° ") == array("lat" => -10, "lon"=> -10) |
| 39 | * @assert ("s10.123456°, -1.123° ") == array("lat" => -10.123456, "lon"=> -1.123) |
| 40 | * @assert ("10.123456° N, 1.123° W ") == array("lat" => 10.123456, "lon"=> -1.123) |
| 41 | * @assert ("10.12° W, 1.123° s ") == array("lat" => -1.123, "lon"=> -10.12) |
| 42 | * @assert ("10.12° w, 1.123°") == array("lat" => 1.123, "lon"=> -10.12) |
| 43 | * @assert ("Z10.12°, 1.123°") === false |
| 44 | * @assert ("10.12°, X1.123°") === false |
| 45 | * @assert ("Tralala") === false |
| 46 | * |
| 47 | * @global string $egMultiMaps_OptionsSeparator |
| 48 | * @param string $coords |
| 49 | * @return array array( 'lat'=>(float), 'lon'=>(float) ) or FALSE on error |
| 50 | */ |
| 51 | public static function getLatLonFromString( $coords ) { |
| 52 | global $egMultiMaps_OptionsSeparator; |
| 53 | |
| 54 | $matches = []; |
| 55 | $subject = preg_replace( '/\s+/', '', $coords ); |
| 56 | |
| 57 | $array = explode( $egMultiMaps_OptionsSeparator, $subject ); |
| 58 | if ( count( $array ) == 2 ) { |
| 59 | $lat = false; |
| 60 | $lon = false; |
| 61 | $doubt = false; |
| 62 | $matches = []; |
| 63 | if ( preg_match( '/^[NSWE]|[NSWE]$/i', $array[0], $matches ) ) { |
| 64 | $string = preg_replace( '/[NSWE]/i', '', $array[0], 1 ); |
| 65 | switch ( strtoupper( $matches[0] ) ) { |
| 66 | case 'N': |
| 67 | $lat = self::getFloatFromString( $string ); |
| 68 | break; |
| 69 | case 'S': |
| 70 | $lat = -1 * self::getFloatFromString( $string ); |
| 71 | break; |
| 72 | case 'E': |
| 73 | $lon = self::getFloatFromString( $string ); |
| 74 | break; |
| 75 | case 'W': |
| 76 | $lon = -1 * self::getFloatFromString( $string ); |
| 77 | break; |
| 78 | } |
| 79 | } else { |
| 80 | $doubt = true; |
| 81 | $lat = self::getFloatFromString( $array[0] ); |
| 82 | } |
| 83 | |
| 84 | if ( $lat === false && $lon === false ) { |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | if ( preg_match( '/^[NSWE]|[NSWE]$/i', $array[1], $matches ) ) { |
| 89 | $string = preg_replace( '/[NSWE]/i', '', $array[1], 1 ); |
| 90 | switch ( strtoupper( $matches[0] ) ) { |
| 91 | case 'N': |
| 92 | if ( !$lat || $doubt ) { |
| 93 | if ( $doubt ) { |
| 94 | $lon = $lat; |
| 95 | } |
| 96 | $lat = self::getFloatFromString( $string ); |
| 97 | } |
| 98 | break; |
| 99 | case 'S': |
| 100 | if ( !$lat || $doubt ) { |
| 101 | if ( $doubt ) { |
| 102 | $lon = $lat; |
| 103 | } |
| 104 | $lat = -1 * self::getFloatFromString( $string ); |
| 105 | } |
| 106 | break; |
| 107 | case 'E': |
| 108 | if ( !$lon ) { |
| 109 | $lon = self::getFloatFromString( $string ); |
| 110 | } |
| 111 | break; |
| 112 | case 'W': |
| 113 | if ( !$lon ) { |
| 114 | $lon = -1 * self::getFloatFromString( $string ); |
| 115 | } |
| 116 | break; |
| 117 | } |
| 118 | } else { |
| 119 | if ( $lat !== false ) { |
| 120 | $lon = self::getFloatFromString( $array[1] ); |
| 121 | } else { |
| 122 | $lat = self::getFloatFromString( $array[1] ); |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | if ( $lat !== false && $lon !== false ) { |
| 127 | return [ 'lat' => $lat, 'lon' => $lon ]; |
| 128 | } |
| 129 | } |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Converts the string with coordinate to a float format |
| 135 | * |
| 136 | * @assert ('55.755831') == 55.755831 |
| 137 | * @assert ('55.755831°') == 55.755831 |
| 138 | * @assert ('55°45.34986\'') == 55.755831 |
| 139 | * @assert ('55°45\'20.9916\"') == 55.755831 |
| 140 | * @assert ('N55°45\'20.9916\"') === false |
| 141 | * |
| 142 | * @param string $string |
| 143 | * @return float |
| 144 | */ |
| 145 | private static function getFloatFromString( $string ) { |
| 146 | $matches = []; |
| 147 | // String contain float |
| 148 | if ( preg_match( '/^((?:-)?\d{1,3}(?:\.\d{1,20})?)(?:°)?$/', $string, $matches ) ) { |
| 149 | return (float)$matches[1]; |
| 150 | } |
| 151 | // String contain DMS |
| 152 | if ( preg_match( '/^((?:-)?\d{1,3})°(\d{1,2}(?:\.\d{1,20})?)(?:\′|\')(?:(\d{1,2}(?:\.\d{1,20})?)(?:″|"))?$/', $string, $matches ) ) { |
| 153 | return (float)( abs( $matches[1] ) == $matches[1] ? 1 : -1 ) * ( abs( $matches[1] ) + ( isset( $matches[2] ) ? $matches[2] / 60 : 0 ) + ( isset( $matches[3] ) ? $matches[3] / 3600 : 0 ) ); |
| 154 | } |
| 155 | return false; |
| 156 | } |
| 157 | |
| 158 | /** |
| 159 | * Sets the geographical coordinates in new position according to a given offset on the north and east, in meters |
| 160 | * @param float &$lat Latitude of coordinates |
| 161 | * @param float &$lon Longitude of coordinates |
| 162 | * @param float $nord To the north (meters) |
| 163 | * @param float $east To the East (meters) |
| 164 | */ |
| 165 | public static function moveCoordinatesInMeters( &$lat, &$lon, $nord, $east ) { |
| 166 | $lat += ( $nord / self::MEREDIAN_LENGTH ) * 180; |
| 167 | $lon += ( $east / ( self::EQUATOR_LENGTH * cos( M_PI / 180 * $lat ) ) ) * 360; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Returns the distance between two geographical points |
| 172 | * @param float $lat1 Latitude geographical point 1 |
| 173 | * @param float $lon1 Longitude geographical point 1 |
| 174 | * @param float $lat2 Latitude geographical point 2 |
| 175 | * @param float $lon2 Longitude geographical point 2 |
| 176 | * @return float Distance, in meters |
| 177 | */ |
| 178 | public static function getDistanceInMeters( $lat1, $lon1, $lat2, $lon2 ) { |
| 179 | $lat = abs( $lat1 - $lat2 ); |
| 180 | $lon = abs( $lon1 - $lon2 ); |
| 181 | $distance_lat = ( $lat / 180 ) * self::MEREDIAN_LENGTH; |
| 182 | $distance_lon = ( $lon / 360 ) * self::EQUATOR_LENGTH * cos( M_PI / 180 * abs( ( $lat1 + $lat2 ) / 2 ) ); |
| 183 | return sqrt( pow( $distance_lat, 2 ) + pow( $distance_lon, 2 ) ); |
| 184 | } |
| 185 | |
| 186 | } |