improve the plot #39

modules/tools/DrawTool.js

@@ -142,7 +142,6 @@ class DrawTool {
    * @returns {DrawTool}
    */
   on(type, callback, context) {
-    this._plotEvent.on(type, callback, context || this)
     this._plotEvent.on(type, callback, context || this)
     return this
   }
@@ -155,7 +154,6 @@ class DrawTool {
    * @returns {DrawTool}
    */
   off(type, callback, context) {
-    this._plotEvent.off(type, callback, context || this)
     this._plotEvent.off(type, callback, context || this)
     return this
   }

modules/tools/EditTool.js

@@ -129,7 +129,7 @@ class EditTool {
       : isCenter
       ? this._options.icon_center
       : this._options.icon_anchor
-    let anchor = this._anchorLayer.add({
+    let anchor = this._anchorLayer.entities.add({
       position: position,
       billboard: {
         image: image,
@@ -199,7 +199,6 @@ class EditTool {
    * @returns {EditTool}
    */
   on(type, callback, context) {
-    this._plotEvent.on(type, callback, context || this)
     this._plotEvent.on(type, callback, context || this)
     return this
   }
@@ -212,7 +211,6 @@ class EditTool {
    * @returns {EditTool}
    */
   off(type, callback, context) {
-    this._plotEvent.off(type, callback, context || this)
     this._plotEvent.off(type, callback, context || this)
     return this
   }
@@ -250,6 +248,7 @@ class EditTool {
     this._unbindEvent()
     this._viewer.tooltip.enable = false
     this._anchorLayer.entities.removeAll()
+    this._anchors = []
     return this
   }