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Map JS API

  1. Basic
    1. Simple map
    2. Satellite map
    3. Unauthorized access
  2. Layers
    1. Display layers list
    2. Add items to a layer
  3. Geometry
    1. Add a not editable Polygon
    2. Add a not editable marker
    3. Add an editable line
    4. Add a unique map item
    5. Add an editable Marker
    6. Add multiple items
    7. Delete an item
    8. Delete an item by click
    9. Update an existing item
  4. Camera
    1. Fly to position
    2. Tilt and Rotate
    3. Tilt and Display 3D building
  5. Style
    1. Set marker style
    2. Set icon
    3. Set polygon style
    4. Modify item properties - Opacity, size, ...
    5. Show/Hide items
  6. User interaction
    1. Display a popup
    2. Draw on the map
    3. Measure a distance
    4. Measure an area
  7. Events
    1. Basic Item events handling
    2. Change item position in real-time
    3. Handle mouse events
  8. GeoCoding
    1. Geocode an address
    2. Reverse Geocode

Draw a line and measure the total distance #

This example explains how to draw a line and measure the total distance using events and length function.

<html>
<head>
    
    <script src="https://rasters.io/maps/v0.8.0/rasters.map.min.js"></script>
    <link rel="stylesheet" href="https://rasters.io/maps/v0.8.0/rasters.css" />
  
</head>
<body>
    <script>       
       var map;
        var MapToken = "Enter your MapToken here";
                              
        Rasters.Map.OnReady = function () {
              map = new Rasters.Map({
                container: 'Map', // container id
                url: 'https://api.rasters.io/', 
                mapKey: "",
                authenticationMode: Rasters.AuthenticationMode.MapToken,               
                token: MapToken 
            });
         
        map.OnReady = OnConnectHander;           
   }

  function OnConnectHander() {
            map.SetPosition(-71.2170425, 46.810457, 10);       
            map.ItemUpdated.on(OnUpdated);
            map.ItemCreated.on(OnCreated);       
        }       

 function Draw(mode) {

            var options = {
                layerId: "",
                isShared: false,
                isLocked: false,
                defaultItemName: "default",
                defaultItemStyles: {
                    "style.color": "#FF0000"
                }
            }

            map.SwitchMode(mode, options);        
}

function OnUpdated(e) {
    // Get the length in meters with the feature id
    var dist = map.GetLineLength(e.features[0].id) / 1000.0;
    document.getElementById('distancebtn').innerHTML = dist.toFixed(2) + ' Km';
 }

 function OnCreated(e) {
    // Get the length in meters with the feature id    
    var dist = map.GetLineLength(e.features[0].id) / 1000.0;
    document.getElementById('distancebtn').innerHTML = dist.toFixed(2) + ' Km';
 }

</script>

<div style='width: 100%; height: 400px; position: relative;'>
  <div id="Map" style='width: 100%; height: 100%;'></div>
  <div class="btn-group" style="position: absolute; right: 10px; top: 10px;" >
    <button id="distancebtn" onclick="Draw('draw_line_string')">Line</button>
  </div>
</div>
     
</body>
</html>
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