JavaScript ArcGIS MultipointDrawAction用法及代码示例

基本信息

以下是所在类或对象的基本信息。

用法说明

例子：

function enableCreateMultipoint(draw, view) {
  let action = draw.create("multipoint");

  // Give a visual feedback to users as they move the pointer over the view
  action.on("cursor-update", function (evt) {
    createMultipointGraphic(evt.vertices);
  });

  // Fires when the user clicks, or presses the "F" key on the view
  // Can also fire when the "R" key is pressed to redo.
  action.on("vertex-add", function (evt) {
    createMultipointGraphic(evt.vertices);
  });

  // Fires when the "Z" key is pressed to undo the last added point
  action.on("vertex-remove", function (evt) {
    createMultipointGraphic(evt.vertices);
  });

  // Create a point when user clicks on the view or presses "C" key.
  action.on("draw-complete", function (evt) {
    createMultipointGraphic(evt.vertices);
  });
}

function createMultipointGraphic(vertices) {
  view.graphics.removeAll();

  let multipoint = new Multipoint({
    points: vertices,
    spatialReference: view.spatialReference
  });

  graphic = new Graphic({
    geometry: multipoint,
    symbol: {
      type: "simple-marker",
      style: "square",
      color: "red",
      size: "16px",
      outline: {
        color: [255, 255, 0],
        width: 3
      }
    }
  });
  view.graphics.add(graphic);
}