DroneDeploy
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Introduction
App Platform
Plans - Get Area of Plan
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Document</title>
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</head>
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<body>
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​
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<div>
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Area of Map: <span id="plan-area">...</span>
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</div>
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​
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<script>
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​
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/**
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* Returns area in square meters
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*/
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function geodesicArea(latLngs) {
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var pointsCount = latLngs.length,
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area = 0.0,
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d2r = Math.PI / 180,
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p1, p2;
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​
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if (pointsCount > 2) {
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for (var i = 0; i < pointsCount; i += 1) {
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p1 = latLngs[i];
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p2 = latLngs[(i + 1) % pointsCount];
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area += ((p2.lng - p1.lng) * d2r) *
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(2 + Math.sin(p1.lat * d2r) + Math.sin(p2.lat * d2r));
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}
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area = area * 6378137.0 * 6378137.0 / 2.0;
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}
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​
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return Math.abs(area);
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}
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​
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new DroneDeploy({version: 1}).then(function(dronedeploy){
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dronedeploy.Plans.getCurrentlyViewed().then(function(plan){
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document.querySelector('#plan-area').innerHTML = geodesicArea(plan.geometry)+' meters<sup>2</sup>';
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});
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});
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​
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</script>
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​
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</body>
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</html>
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Last modified 3yr ago
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