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1 paź 2010 · If you use the Google Maps API v3 you can calculate the distance as follows: Include the Google Maps JavaScript file with the geometry library: http://maps.google.com/maps/api/js?sensor=true&libraries=geometry. The distance can be measured now by using the computeDistanceBetween() method:
Learn how to calculate the distance between points, and when you should quantify distances via straight line distance or route distance in Google Maps Platform.
When working with locations in JavaScript, you often have two sets of latitude/longitude coordinates and you need the distance between theme. This function will give you an approximate distance between theme (in miles by default).
25 wrz 2021 · Here’s how to do calculate the distance in kilometers between two locations using JavaScript and the geolocation API. By default, coordinates (gotten using the Geolocation API) are given in degrees.
21 wrz 2013 · function calculateDistances(start,stop) { var service = new google.maps.DistanceMatrixService(); service.getDistanceMatrix( { origins: [start], destinations: [stop], travelMode: google.maps.TravelMode.DRIVING, unitSystem: google.maps.UnitSystem.METRIC,
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; } } The sample code is licensed under LGPLv3. Discover how to calculate Distance by Latitude and Longitude using JavaScript.
The distance function makes use of the spherical law of cosines formula cos c = cos a cos b + sin a sin b cos C and derived into the distance calculation. Parameters that are passed to the distance function are: lat1, lon1 = Latitude and Longitude of point 1 in decimal degrees.
