Var distance = haversine_distance(mk1, mk2) ĭocument.getElementById('msg').innerHTML = "Distance between markers: " + distance.toFixed(2) + " mi." Calculate and display the distance between markers Add the following lines after the markers in the JavaScript: To visualize the calculation, we can draw a Polyline between the two markers. Wikipedia has more on the formulation of this popular straight line distance approximation. Known as the Haversine formula, it uses spherical trigonometry to determine the great circle distance between two points. The simplest method of calculating distance relies on some advanced-looking math. We’ll answer that question with some 200 year-old number crunching.Ĭalculate the straight line distance from latitude and longitude You might be interested to know how far it is from one to the other. Suppose these were both on a New York City tour. And The Frick Collection, an art gallery. The Dakota, perhaps most famous as John Lennon’s home. Here we can see Central Park, as well as two nearby landmarks. * Set the size of the div element that contains the map */Ĭonst center = )
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