alexpechkarev/geometry-library: PHP Geometry Library provides utility functions ...

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开源软件名称（OpenSource Name）：

alexpechkarev/geometry-library

开源软件地址(OpenSource Url)：

https://github.com/alexpechkarev/geometry-library

开源编程语言(OpenSource Language)：

PHP 100.0%

开源软件介绍(OpenSource Introduction)：

Geometry Library Google Maps API V3

PHP Geometry Library provides utility functions for the computation of geometric data on the surface of the Earth. Code ported from Google Maps Android API.

Features

Spherical contains spherical geometry utilities allowing you to compute angles, distances and areas from latitudes and longitudes.
Poly utility functions for computations involving polygons and polylines.
Encoding utilities for polyline encoding and decoding.

Dependency

PHP 5

Installation

Issue following command:

composer require alexpechkarev/geometry-library:1.0.4

Alternatively edit composer.json by adding following line and run composer update

"require": { 
		....,
		"alexpechkarev/geometry-library":"1.0.4",
	
	},

Usage

Here is an example of using GeometryLibrary:

$response =  \GeometryLibrary\SphericalUtil::computeHeading(
                ['lat' => 25.775, 'lng' => -80.190], // from array [lat, lng]
                ['lat' => 21.774, 'lng' => -80.190]); // to array [lat, lng]
  echo $response; // -180
  
$response = \GeometryLibrary\SphericalUtil::computeDistanceBetween(
              ['lat' => 25.775, 'lng' => -80.190], //from array [lat, lng]
              ['lat' => 21.774, 'lng' => -80.190]); // to array [lat, lng]
              
  echo $response; // 444891.52998049          
  
  
$response =  \GeometryLibrary\PolyUtil::isLocationOnEdge(
              ['lat' => 25.774, 'lng' => -80.190], // point array [lat, lng]
              [ // poligon arrays of [lat, lng]
                ['lat' => 25.774, 'lng' => -80.190], 
                ['lat' => 18.466, 'lng' => -66.118], 
                ['lat' => 32.321, 'lng' => -64.757]
              ])  ;
              
  echo $response; // true
  
  
  
$response =  \GeometryLibrary\PolyUtil::isLocationOnPath(
              ['lat' => 25.771, 'lng' => -80.190], // point array [lat, lng]
             [ // poligon arrays of [lat, lng]
              ['lat' => 25.774, 'lng' => -80.190], 
              ['lat' => 18.466, 'lng' => -66.118], 
              ['lat' => 32.321, 'lng' => -64.757]
             ]);  
             
  echo $response; // false  
  
$response =  \GeometryLibrary\PolyUtil::containsLocation(
              ['lat' => 23.886, 'lng' => -65.269], // point array [lat, lng]
             [ // poligon arrays of [lat, lng]
                ['lat' => 25.774, 'lng' => -80.190], 
                ['lat' => 18.466, 'lng' => -66.118], 
                ['lat' => 32.321, 'lng' => -64.757]
             ]);  
             
  echo $response; // false    
  
$response =  \GeometryLibrary\PolyUtil::distanceToLine(
              ['lat' => 61.387002, 'lng' => 23.890636], // point array [lat, lng]
              ['lat' => 61.487002, 'lng' => 23.790636], // line startpoint array [lat, lng]
              ['lat' => 60.48047, 'lng' => 22.052754] // line endpoint array [lat, lng]
             );  
             
  echo $response; // 12325.124046196 in meters
  
$response =  \GeometryLibrary\PolyUtil::encode(
              [ 
                ['lat' => 38.5, 'lng' => -120.2], 
                ['lat' => 40.7, 'lng' => -120.95], 
                ['lat' => 43.252, 'lng' => -126.453]
              ]);
              
  echo $response; // '_p~iF~ps|U_ulLnnqC_mqNvxq`@'
  
  
$response =  \GeometryLibrary\PolyUtil::decode('_p~iF~ps|U_ulLnnqC_mqNvxq`@');  

  echo $response; /** array (size=3)
                        0 => 
                          array (size=2)
                            'lat' => float 38.5
                            'lng' => float -120.2
                        1 => 
                          array (size=2)
                            'lat' => float 40.7
                            'lng' => float -120.95
                        2 => 
                          array (size=2)
                            'lat' => float 43.252
                            'lng' => float -126.453
                   */

Available methods

PolyUtil class

containsLocation($point, $polygon, $geodesic = false)
isLocationOnEdge($point, $polygon, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true)
isLocationOnPath($point, $polyline, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true)
distanceToLine($p, $start, $end)
decode($encodedPath)
encode($path)

SphericalUtil class

computeHeading($from, $to)
computeOffset($from, $distance, $heading)
computeOffsetOrigin($to, $distance, $heading)
interpolate($from, $to, $fraction)
computeDistanceBetween( $from, $to)
computeLength($path)
computeArea($path)
computeSignedArea($path)

containsLocation( $point, $polygon, $geodesic = false ) - To find whether a given point falls within a polygon

$point - ['lat' => 38.5, 'lng' => -120.2 ]
$polygon - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453]]
$geodesic - boolean

Returns boolean

$response =  \GeometryLibrary\PolyUtil::containsLocation(
              ['lat' => 23.886, 'lng' => -65.269], // point array [lat, lng]
             [ // poligon arrays of [lat, lng]
                ['lat' => 25.774, 'lng' => -80.190], 
                ['lat' => 18.466, 'lng' => -66.118], 
                ['lat' => 32.321, 'lng' => -64.757]
             ]);  
             
  echo $response; // false

isLocationOnEdge( $point, $polygon, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true ) - To determine whether a point falls on or near a polyline, or on or near the edge of a polygon, within a specified tolerance in meters.

$point - ['lat' => 25.774, 'lng' => -80.190 ]
$polygon - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453]]
$tolerance - tolerance value in degrees
$geodesic - boolean

Returns boolean

$response =  \GeometryLibrary\PolyUtil::isLocationOnEdge(
              ['lat' => 25.774, 'lng' => -80.190], // point array [lat, lng]
              [ // poligon arrays of [lat, lng]
                ['lat' => 25.774, 'lng' => -80.190], 
                ['lat' => 18.466, 'lng' => -66.118], 
                ['lat' => 32.321, 'lng' => -64.757]
              ])  ;
              
  echo $response; // true

isLocationOnPath( $point, $polygon, $tolerance = self::DEFAULT_TOLERANCE, $geodesic = true ) - To determine whether a point falls on or near a polyline, within a specified tolerance in meters

$point - ['lat' => 25.774, 'lng' => -80.190 ]
$polygon - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453]]
$tolerance - tolerance value in degrees
$geodesic - boolean

Returns boolean

$response =  \GeometryLibrary\PolyUtil::isLocationOnPath(
              ['lat' => 25.774, 'lng' => -80.190], // point array [lat, lng]
              [ // poligon arrays of [lat, lng]
                ['lat' => 25.774, 'lng' => -80.190], 
                ['lat' => 18.466, 'lng' => -66.118], 
                ['lat' => 32.321, 'lng' => -64.757]
              ])  ;
              
  echo $response; // true

distanceToLine( $p, $start, $end ) - To calculate distance from a point to line start->end on sphere.

$p - ['lat' => 61.387002, 'lng' => 23.890636]
$start - ['lat' => 61.487002, 'lng' => 23.790636]
$end - ['lat' => 60.48047, 'lng' => 22.052754]

Returns distance from a point to line

$response =  \GeometryLibrary\PolyUtil::distanceToLine(
              ['lat' => 61.387002, 'lng' => 23.890636], // point array [lat, lng]
              ['lat' => 61.487002, 'lng' => 23.790636], // line startpoint array [lat, lng]
              ['lat' => 60.48047, 'lng' => 22.052754] // line endpoint array [lat, lng]
             );  
             
  echo $response; // 12325.124046196 in meters

decode( $encodedPath ) - Decodes an encoded path string into a sequence of LatLngs.

$encodedPath - string '_piFps|U_ulLnnqC_mqNvxq`@'

Returns array

$response =  \GeometryLibrary\PolyUtil::decode('_p~iF~ps|U_ulLnnqC_mqNvxq`@');  

  echo $response; /** array (size=3)
                        0 => 
                          array (size=2)
                            'lat' => float 38.5
                            'lng' => float -120.2
                        1 => 
                          array (size=2)
                            'lat' => float 40.7
                            'lng' => float -120.95
                        2 => 
                          array (size=2)
                            'lat' => float 43.252
                            'lng' => float -126.453
                   */

encode( $path ) - Encodes a sequence of LatLngs into an encoded path string.

$path - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453] ]

Returns string

$response =  \GeometryLibrary\PolyUtil::encode(
              [ 
                ['lat' => 38.5, 'lng' => -120.2], 
                ['lat' => 40.7, 'lng' => -120.95], 
                ['lat' => 43.252, 'lng' => -126.453]
              ]);
              
  echo $response; // '_p~iF~ps|U_ulLnnqC_mqNvxq`@'

computeHeading( $from, $to ) - Returns the heading from one LatLng to another LatLng.

$from - ['lat' => 38.5, 'lng' => -120.2]
$to - ['lat' => 40.7, 'lng' => -120.95]

Returns int

$response =  \GeometryLibrary\SphericalUtil::computeHeading(
              ['lat' => 25.775, 'lng' => -80.190], 
              ['lat' => 21.774, 'lng' => -80.190]));
              
  echo $response; // -180

computeOffset( $from, $distance, $heading ) - Returns the LatLng resulting from moving a distance from an origin in the specified heading.

$from - ['lat' => 38.5, 'lng' => -120.2]
$distance - number, the distance to travel
$heading - number, the heading in degrees clockwise from north

Returns array

$response =  \GeometryLibrary\SphericalUtil::computeOffset(['lat' => 25.775, 'lng' => -80.190], 152, 120);
              
  echo $response; /** array (size=2)
                      'lat' => float 25.774316510639
                      'lng' => float -80.188685385944
                  */

computeOffsetOrigin( $from, $distance, $heading ) - Returns the location of origin when provided with a LatLng destination, meters travelled and original heading. Headings are expressed in degrees clockwise from North.

$from - ['lat' => 38.5, 'lng' => -120.2]
$distance - number, the distance to travel
$heading - number, the heading in degrees clockwise from north

Returns array

$response =  \GeometryLibrary\SphericalUtil::computeOffsetOrigin(['lat' => 25.775, 'lng' => -80.190], 152, 120);
              
  echo $response; /** array (size=2)
                        'lat' => float 14.33435503928
                        'lng' => float -263248.24242931
                  */

interpolate( $from, $to, $fraction ) - Returns the LatLng which lies the given fraction of the way between the origin LatLng and the destination LatLng.

$from - ['lat' => 38.5, 'lng' => -120.2]
$to - ['lat' => 38.5, 'lng' => -120.2]
$fraction - number, a fraction of the distance to travel

Returns array

$response =  \GeometryLibrary\SphericalUtil::interpolate(['lat' => 25.775, 'lng' => -80.190], 
                                                          ['lat' => 26.215, 'lng' => -81.218], 2);
              
  echo $response; /** array (size=2)
                      'lat' => float 26.647635362403
                      'lng' => float -82.253737943391
                  */

computeDistanceBetween( $from, $to ) - Returns the distance, in meters, between two LatLngs. You can optionally specify a custom radius. The radius defaults to the radius of the Earth.

$from - ['lat' => 38.5, 'lng' => -120.2]
$to - ['lat' => 38.5, 'lng' => -120.2]

Returns float

$response =  \GeometryLibrary\SphericalUtil::computeDistanceBetween(['lat' => 25.775, 'lng' => -80.190], ['lat' => 26.215, 'lng' => -81.218]);
              
  echo $response; //float 113797.92421349

computeLength( $path ) - Returns the length of the given path, in meters, on Earth.

$path - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453] ]

Returns float

$response =  \GeometryLibrary\SphericalUtil::computeLength([ 
                ['lat' => 38.5, 'lng' => -120.2], 
                ['lat' => 40.7, 'lng' => -120.95], 
                ['lat' => 43.252, 'lng' => -126.453]
              ]);
              
  echo $response; //float 788906.98459431

computeArea( $path ) - Returns the area of a closed path.

$path - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453] ]

Returns float

$response =  \GeometryLibrary\SphericalUtil::computeArea([ 
                ['lat' => 38.5, 'lng' => -120.2], 
                ['lat' => 40.7, 'lng' => -120.95], 
                ['lat' => 43.252, 'lng' => -126.453]
              ]);
              
  echo $response; //float 44766785529.143

computeSignedArea( $path ) - Returns the signed area of a closed path.

$path - [ ['lat' => 38.5, 'lng' => -120.2], ['lat' => 40.7, 'lng' => -120.95], ['lat' => 43.252, 'lng' => -126.453] ]

Returns float

$response =  \GeometryLibrary\SphericalUtil::computeSignedArea([ 
                ['lat' => 38.5, 'lng' => -120.2], 
                ['lat' => 40.7, 'lng' => -120.95], 
                ['lat' => 43.252, 'lng' => -126.453]
              ]);
              
  echo $response; //float 44766785529.143

Support

Please open an issue on GitHub

License

Geometry Library Google Maps API V3 is released under the MIT License. See the bundled LICENSE file for details.

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alexpechkarev/geometry-library: PHP Geometry Library provides utility functions ...

开源软件名称（OpenSource Name）：

开源软件地址(OpenSource Url)：

开源编程语言(OpenSource Language)：

开源软件介绍(OpenSource Introduction)：

Geometry Library Google Maps API V3

Features

Dependency

Installation

Usage

Available methods

PolyUtil class

SphericalUtil class

Support

License

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