Draw Features

This example uses OpenLayers v4.0.1. The latest is v.

#### Draw Features

Geometry type

Example of using the ol.interaction.Draw interaction.

Example of using the Draw interaction. Select a geometry type from the dropdown above to start drawing. To finish drawing, click the last point. To activate freehand drawing for lines, polygons, and circles, hold the `Shift` key.

Related API documentation:

- ol.Map
,
- ol.View
,
- ol.interaction.Draw
,
- ol.layer.Tile
,
- ol.layer.Vector
,
- ol.source.OSM
,
- ol.source.Vector

Copy Edit
Draw Features Example of using the ol.interaction.Draw interaction. var raster = new ol.layer.Tile({ source: new ol.source.OSM() }); var source = new ol.source.Vector({wrapX: false}); var vector = new ol.layer.Vector({ source: source }); var map = new ol.Map({ layers: [raster, vector], target: 'map', view: new ol.View({ center: [-11000000, 4600000], zoom: 4 }) }); var typeSelect = document.getElementById('type'); var draw; // global so we can remove it later function addInteraction() { var value = typeSelect.value; if (value !== 'None') { draw = new ol.interaction.Draw({ source: source, type: /** @type {ol.geom.GeometryType} */ (typeSelect.value) }); map.addInteraction(draw); } } /** * Handle change event. */ typeSelect.onchange = function() { map.removeInteraction(draw); addInteraction(); }; addInteraction(); <div id="map" class="map"></div> <form class="form-inline"> <label>Geometry type &nbsp;</label> <select id="type"> <option value="Point">Point</option> <option value="LineString">LineString</option> <option value="Polygon">Polygon</option> <option value="Circle">Circle</option> <option value="None">None</option> </select> </form>

    <!DOCTYPE html>
    <html>
      <head>
        <title>Draw Features</title>
        <link rel="stylesheet" href="https://openlayers.org/en/v4.0.1/css/ol.css" type="text/css">
        <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
        <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
        <script src="https://openlayers.org/en/v4.0.1/build/ol.js"></script>
      </head>
      <body>
        <div id="map" class="map"></div>
        <form class="form-inline">
          <label>Geometry type &nbsp;</label>
          <select id="type">
            <option value="Point">Point</option>
            <option value="LineString">LineString</option>
            <option value="Polygon">Polygon</option>
            <option value="Circle">Circle</option>
            <option value="None">None</option>
          </select>
        </form>
        <script>
          var raster = new ol.layer.Tile({
            source: new ol.source.OSM()
          });

          var source = new ol.source.Vector({wrapX: false});

          var vector = new ol.layer.Vector({
            source: source
          });

          var map = new ol.Map({
            layers: [raster, vector],
            target: 'map',
            view: new ol.View({
              center: [-11000000, 4600000],
              zoom: 4
            })
          });

          var typeSelect = document.getElementById('type');

          var draw; // global so we can remove it later
          function addInteraction() {
            var value = typeSelect.value;
            if (value !== 'None') {
              draw = new ol.interaction.Draw({
                source: source,
                type: /** @type {ol.geom.GeometryType} */ (typeSelect.value)
              });
              map.addInteraction(draw);
            }
          }

          /**
           * Handle change event.
           */
          typeSelect.onchange = function() {
            map.removeInteraction(draw);
            addInteraction();
          };

          addInteraction();
        </script>
      </body>
    </html>