Created
September 24, 2018 21:46
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Messing up geo mapper
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| function calcCrow(lat1, lon1, lat2, lon2) { | |
| var R = 6371; // km | |
| var dLat = toRad(lat2 - lat1); | |
| var dLon = toRad(lon2 - lon1); | |
| var lat1 = toRad(lat1); | |
| var lat2 = toRad(lat2); | |
| var a = Math.sin(dLat / 2) * Math.sin(dLat / 2) + | |
| Math.sin(dLon / 2) * Math.sin(dLon / 2) * Math.cos(lat1) * Math.cos(lat2); | |
| var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); | |
| var d = R * c; | |
| return d; | |
| } | |
| // Converts numeric degrees to radians | |
| function toRad(Value) { | |
| return Value * Math.PI / 180; | |
| } | |
| var map = [], optimized = [], ignore = [0], route = [[-96.447921,36.285688],[-96.46173974086992,36.29357481338843],[-96.46757622768376,36.299662334644594],[-96.47255440762204,36.30837773119217],[-96.46826287319172,36.30837773119217],[-96.46843453457431,36.31142097354035],[-96.47255440762204,36.31142097354035],[-96.46877785732455,36.31474073882343],[-96.46379967739378,36.31501737955841],[-96.46088143398686,36.31294255018361],[-96.43684884121602,36.34267649402784],[-96.36354943325522,36.33921964169107],[-96.40457650234225,36.309761037894475],[-96.36131783535625,36.280568062901736],[-96.41659279873517,36.31197427757705],[-96.4090396981477,36.29800214869182],[-96.3894703011748,36.23391966390764],[-96.40165825893534,36.23253501291377],[-96.5243961434612,36.24250395276002],[-96.49057885219642,36.23267347911536],[-96.46809121181661,36.29398988674231],[-96.45796319057993,36.26216119130416]]; | |
| for (var i = 0; i < route.length; i++) { | |
| map[i] = []; | |
| for (var ii = 0; ii < route.length; ii++) { | |
| map[i][ii] = calcCrow(route[i][1], route[i][0], route[ii][1], route[ii][0]); | |
| } | |
| } | |
| for (var i = 0; i < route.length; i++) { | |
| var closest = { index: false, dist: false }; | |
| for (var ii = 0; ii < route.length; ii++) { | |
| if (ignore.indexOf(ii) !== -1) continue; | |
| if ( ! closest.dist) { | |
| closest.dist = map[i][ii]; | |
| closest.index = ii; | |
| } else { | |
| if (map[i][ii] < closest.dist) { | |
| closest.dist = map[i][ii]; | |
| closest.index = ii; | |
| } | |
| } | |
| } | |
| optimized.push({forPoint: i, gotoPoint: closest.index, distance: closest.dist + 'km'}); | |
| ignore.push(closest.index); | |
| } | |
| var finalRoute = [], mapCords = []; | |
| mapCords.push(route[0]); | |
| console.log('Starting Point: ', route[0]); | |
| for (var rte in optimized) { | |
| console.log('Next Point: (' + optimized[rte].gotoPoint + ')', route[optimized[rte].gotoPoint]); | |
| if (false !== route[optimized[rte].gotoPoint]) { | |
| mapCords.push(route[optimized[rte].gotoPoint]); | |
| } else { | |
| mapCords.push(route[0]); | |
| } | |
| finalRoute.push({ | |
| from: route[optimized[rte].forPoint], | |
| to: route[optimized[rte].gotoPoint] | |
| }); | |
| } | |
| // Then use <script src='https://npmcdn.com/@turf/turf/turf.min.js'></script> | |
| // to var lineString = turf.lineString(mapCords); |
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