Breaking News: Grepper is joining You.com. Read the official announcement!

calculate distance between two coordinates

Add Answer

Doubtful Dunlin answered on March 4, 2021 Popularity 10/10 Helpfulness 2/10

answer calculate distance between two coordinates

related calculator distance between two coordinates latitude longitude

related distance between coordinates | location

calculate distance between two coordinates

Comment

static double coordinateDistance(
      double lat1, double lng1, double lat2, double lng2) {
    const p = 0.017453292519943295;
    const c = cos;
    final a = 0.5 -
        c((lat2 - lat1) * p) / 2 +
        c(lat1 * p) * c(lat2 * p) * (1 - c((lng2 - lng1) * p)) / 2;
    return 12742 * asin(sqrt(a));
  }

  // calculate distance from polyline-coordinates (list of locations)
  static double calculateDistance(
      {@required List<Location> polylineCoordinates}) {
    double _totalDistance = 0.0;

    for (int i = 0; i < polylineCoordinates.length - 1; i++) {
      _totalDistance += coordinateDistance(
        polylineCoordinates[i].lat,
        polylineCoordinates[i].lng,
        polylineCoordinates[i + 1].lat,
        polylineCoordinates[i + 1].lng,
      );
    }

Popularity 10/10 Helpfulness 2/10 Language whatever

Source: Grepper

Tags: between coordinates distance whatever

Link to this answer
Share Copy Link

Contributed on Mar 29 2022

Doubtful Dunlin

0 Answers Avg Quality 2/10

Closely Related Answers

calculator distance between two coordinates latitude longitude

Comment

function distance(lat1, lon1, lat2, lon2, unit) {
        var radlat1 = Math.PI * lat1/180
        var radlat2 = Math.PI * lat2/180
        var theta = lon1-lon2
        var radtheta = Math.PI * theta/180
        var dist = Math.sin(radlat1) * Math.sin(radlat2) + Math.cos(radlat1) * Math.cos(radlat2) * Math.cos(radtheta);
        dist = Math.acos(dist)
        dist = dist * 180/Math.PI
        dist = dist * 60 * 1.1515
        if (unit=="K") { dist = dist * 1.609344 }
        if (unit=="N") { dist = dist * 0.8684 }
        return dist
}

Popularity 10/10 Helpfulness 4/10 Language whatever

Source: Grepper

Tags: between

Link to this answer
Share Copy Link

Contributed on Mar 04 2021

Doubtful Donkey

0 Answers Avg Quality 2/10

distance between coordinates | location

Comment

class CoordDistance
 {
    public $lat_a = 0;
    public $lon_a = 0;
    public $lat_b = 0;
    public $lon_b = 0;

    public $measure_unit = 'kilometers';

    public $measure_state = false;

    public $measure = 0;

    public $error = '';



    public function DistAB()

      {
          $delta_lat = $this->lat_b - $this->lat_a ;
          $delta_lon = $this->lon_b - $this->lon_a ;

          $earth_radius = 6372.795477598;

          $alpha    = $delta_lat/2;
          $beta     = $delta_lon/2;
          $a        = sin(deg2rad($alpha)) * sin(deg2rad($alpha)) + cos(deg2rad($this->lat_a)) * cos(deg2rad($this->lat_b)) * sin(deg2rad($beta)) * sin(deg2rad($beta)) ;
          $c        = asin(min(1, sqrt($a)));
          $distance = 2*$earth_radius * $c;
          $distance = round($distance, 4);

          $this->measure = $distance;

      }
    }

Popularity 9/10 Helpfulness 2/10 Language php

Source: stackoverflow.com

Tags: between

Link to this answer
Share Copy Link

Contributed on Nov 26 2022

Johnvict

0 Answers Avg Quality 2/10

calculate distance between two coordinates

Contents

More Related Answers

calculate distance between two coordinates

Closely Related Answers

calculator distance between two coordinates latitude longitude

distance between coordinates | location

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.