ShortestPathResearch/animation.html at master · alancast/ShortestPathResearch · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Animated Shortest Paths</title>
    <input type="file" name="file" id="file">
    <style>
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
      #map {
        height: 100%;
      }
    </style>
  </head>
  <body>

    <div id="map"></div>
    <script>

      // This example creates a 2-pixel-wide red polyline showing the path of William
      // Kingsford Smith's first trans-Pacific flight between Oakland, CA, and
      // Brisbane, Australia.
//
      function initMap() {
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 12,
          center: {lat: (37.7155 + 37.8085)/2, lng: (-121.741 + -121.994)/2},
          mapTypeId: google.maps.MapTypeId.ROADMAP
        });

        var flightPlanCoordinates = [
          {lat: 37.772, lng: -122.214},
          {lat: 21.291, lng: -157.821},
          {lat: -18.142, lng: 178.431},
          {lat: -27.467, lng: 153.027},{lat: -32.467, lng: 150.027}
        ];


        // flightPath.setMap(map);
        // flightPath.setMap(null);
        // flightPath = null;

        var i = 1;
        var startLat = 37.772;                    //  set your counter to 1

        function myLoop () {           //  create a loop function
           setTimeout(function () {    //  call a 3s setTimeout when the loop is called
              var path = [{lat: startLat, lng: -122.214},
              {lat: 21.291, lng: -157.821}];
              startLat += 2;
              console.log(path)

              var flightPath = new google.maps.Polyline({
                path: path,
                geodesic: true,
                strokeColor: '#FF00F0',
                strokeOpacity: 1.0,
                strokeWeight: 2
              });
              flightPath.setMap(map)
                      //  your code here
              i++;                     //  increment the counter
              if (i < 10) {            //  if the counter < 10, call the loop function
                 myLoop();             //  ..  again which will trigger another
              }                        //  ..  setTimeout()
           }, 100)
        }

        // myLoop();
        document.getElementById('file').onchange = function(){

          var file = this.files[0];

          var reader = new FileReader();
          reader.onload = function(progressEvent){
            // Entire file
            // console.log(this.result);

            // By lines
            var lines = this.result.split('\n');


            var i = 2;
            var latestU;
            var latestF;
            var latestB;
            var FEnd = true;
            var end = false;

            function testLoop () {           //  create a loop function
               setTimeout(function () {    //  call a 3s setTimeout when the loop is called


                  i++;                     //  increment the counter
                  var temp = lines[i].split(/[ ,]+/);
                  console.log(temp)
                  if (String(temp[0])=="c"){
                      end = true;
                  }
                  while (String(temp[0])=="u" && end == false){
                    latestU = temp;
                    i++;
                    temp = lines[i].split(/[ ,]+/);
                    if (String(temp[0])=="c"){
                      end = true;
                    }
                  }

                  if (end){
                    i = i + 2;
                    while (i<lines.length){
                      temp1 = lines[i-1].split(/[ ,]+/);
                      temp2 = lines[i].split(/[ ,]+/);


                      path = [{lng: Number(temp1[1]), lat: Number(temp1[2])},{lng: Number(temp2[1]), lat: Number(temp2[2])}];
                      var flightPath = new google.maps.Polyline({
                        path: path,
                        geodesic: true,
                        strokeColor: '#000000',
                        strokeOpacity: 1.0,
                        strokeWeight: 5
                      });
                      flightPath.setMap(map);


                      i++;
                    }
                  }

                  if (String(temp[0])=="b"){
                    latestB = temp;
                    FEnd = false;
                  }else{
                    latestF = temp;
                    FEnd = true;
                  }
                  console.log(i)


                  // console.log(latestA, latestU);
                  //9b59b6
                  if (end == false){
                    var path;
                    if (FEnd ){
                      path = [{lng: Number(latestU[1]), lat: Number(latestU[2])},{lng: Number(latestF[1]), lat: Number(latestF[2])}];
                      var flightPath = new google.maps.Polyline({
                      path: path,
                      geodesic: true,
                      strokeColor: '#3498db',
                      strokeOpacity: 1.0,
                      strokeWeight: 2
                      });
                      flightPath.setMap(map);
                    } else{
                      path = [{lng: Number(latestU[1]), lat: Number(latestU[2])},{lng: Number(latestB[1]), lat: Number(latestB[2])}];
                      var flightPath = new google.maps.Polyline({
                      path: path,
                      geodesic: true,
                      strokeColor: '#9b59b6',
                      strokeOpacity: 1.0,
                      strokeWeight: 2
                      });
                      flightPath.setMap(map);
                    }
                  }

                  console.log(path);


                  if (i < lines.length) {            //  if the counter < 10, call the loop function
                     testLoop();             //  ..  again which will trigger another
                  }                        //  ..  setTimeout()
               }, 0)
            }

            testLoop();


            var pastI = lines[1].split(/[ ,]+/);
            var presentI = lines[2].split(/[ ,]+/);
            var pathI = [{lng: Number(pastI[1]), lat: Number(pastI[2])},{lng: Number(presentI[1]), lat: Number(presentI[2])}];

            var flightPath = new google.maps.Polyline({
                    path: pathI,
                    geodesic: true,
                    strokeColor: '#c0392b',
                    strokeOpacity: 1.0,
                    strokeWeight: 2
                    });
            flightPath.setMap(map)

            // for(var line = 0; line < lines.length; line++){
            //   if (line > 1){
            //     var past = lines[line-1].split(/[ ,]+/);
            //     var present = lines[line].split(/[ ,]+/);
            //     var path = [{lng: Number(past[1]), lat: Number(past[2])},{lng: Number(present[1]), lat: Number(present[2])}];
            //     console.log(path);
            //     var flightPath = new google.maps.Polyline({
            //     path: path,
            //     geodesic: true,
            //     strokeColor: '#FF00F0',
            //     strokeOpacity: 1.0,
            //     strokeWeight: 2
            //     });
            //     flightPath.setMap(map)
            //   }
            //   if (line > 1000){
            //     break;
            //   }

            // }
          };
          reader.readAsText(file);
        };

      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCKs_s2gQvz_jdAZ77dWmIRuNe_oERtpek&callback=initMap">
    </script>
  </body>
</html>