1.修改Cesium获取不到的Bug 2. 添加viewer 验证

src/core/Loader.Base.js

  * @Author: Caven
  * @Date: 2020-05-09 13:19:53
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-12 00:21:25
+ * @Last Modified time: 2020-05-12 09:27:35
  */
 
 import { DomUtil, Util } from './utils'

src/core/event/RoamingEvent.js

-/*
- * @Author: Caven
- * @Date: 2020-04-10 16:58:31
- * @Last Modified by: Caven
- * @Last Modified time: 2020-05-12 00:00:07
- */
-
-import { RoamingEventType } from './EventType'
-import Event from './Event'
-
-const { Cesium } = DC.Namespace
-
-class RoamingEvent extends Event {
-  constructor() {
-    super()
-  }
-
-  _registerEvent() {
-    Object.keys(RoamingEventType).forEach(key => {
-      let type = RoamingEventType[key]
-      this._cache[type] = new Cesium.Event()
-    })
-  }
-}
-
-export default RoamingEvent

src/core/layer/GeoJsonLayer.js

  * @Author: Caven
  * @Date: 2020-01-13 10:13:53
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 22:37:07
+ * @Last Modified time: 2020-05-12 09:27:31
  */
 
 import { Layer, VectorLayer } from './index'

src/core/utils/Util.js

  * @Author: Caven
  * @Date: 2019-12-31 17:58:01
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 22:38:51
+ * @Last Modified time: 2020-05-12 09:53:43
  */
 
-import Position from '../position/Position'
-
 const CHARS = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split(
   ''
 )
    * @param {*} position
    */
   static checkPosition(position) {
-    return position && position instanceof Position
+    return (
+      position &&
+      position.hasOwnProperty('lng') &&
+      position.hasOwnProperty('lat') &&
+      position.hasOwnProperty('alt')
+    )
   }
 
   /**
       positions && (typeof positions === 'string' || Array.isArray(positions))
     )
   }
+
+  /**
+   * @function checkViewer(viewer: Object): Boolean
+   * Check viewer for validity
+   * @param {*} position
+   */
+  static checkViewer(viewer) {
+    return viewer && viewer.delegate && viewer.canvas
+  }
 }
 
 export default Util

src/plot/Plot.js

  * @Author: Caven
  * @Date: 2020-01-31 15:51:32
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 23:08:29
+ * @Last Modified time: 2020-05-12 10:00:09
  */
 
 import DrawPoint from './draw/DrawPoint'
 import EditPoint from './edit/EditPoint'
 import EditPolyline from './edit/EditPolyline'
 
-const { VectorLayer, OverlayType } = DC
+const { OverlayType, Util } = DC
 
 const { Cesium } = DC.Namespace
 
 class Plot {
   constructor(viewer) {
+    if (!Util.checkViewer(viewer)) {
+      throw new Error('Plot: the viewer invalid')
+    }
     this._viewer = viewer
     this._plotEvent = new Cesium.Event()
     this._callback = undefined
     this._editWorker = undefined
     this._drawLayer = new Cesium.CustomDataSource('plot-draw-layer')
     this._viewer.delegate.dataSources.add(this._drawLayer)
-    this._markerLayer = new VectorLayer('plot-marker-layer')
+    this._markerLayer = new DC.VectorLayer('plot-marker-layer')
     this._viewer.addLayer(this._markerLayer)
     this._state = undefined
   }

src/plot/draw/Draw.js

  * @Author: Caven
  * @Date: 2020-01-31 19:45:32
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-10 10:57:23
+ * @Last Modified time: 2020-05-12 09:39:12
  */
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 class Draw {
   constructor(plotInfo) {

src/plot/draw/DrawCircle.js

  * @Author: Caven
  * @Date: 2020-01-31 19:44:41
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 22:31:32
+ * @Last Modified time: 2020-05-12 09:34:37
  */
 
 import Draw from './Draw'
 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 const DEF_STYLE = {
   width: 3,

src/plot/draw/DrawPoint.js

 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 const DEF_STYLE = {
   pixelSize: 10,

src/plot/draw/DrawPolygon.js

 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 const DEF_STYLE = {
   material: Cesium.Color.BLUE.withAlpha(0.6)

src/plot/draw/DrawPolyline.js

 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 const DEF_STYLE = {
   width: 3,

src/plot/draw/DrawRect.js

 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 const DEF_STYLE = {
   material: Cesium.Color.BLUE.withAlpha(0.6)

src/plot/edit/Edit.js

 
 const { OverlayType, Transform } = DC
 
-const { Cesium } = DC.NameSpace
+const { Cesium } = DC.Namespace
 
 class Edit {
   constructor(plotInfo) {

src/plot/index.js

  * @Author: Caven
  * @Date: 2020-04-03 10:13:42
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 23:52:18
+ * @Last Modified time: 2020-05-12 09:31:46
  */
 
 const install = function(DC) {

src/plugins/animation/AroudView.js

  * @Author: Caven
  * @Date: 2020-03-02 23:14:20
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 22:17:25
+ * @Last Modified time: 2020-05-12 09:56:16
  */
 
-const { Viewer, SceneEventType } = DC
+const { SceneEventType, Util } = DC
 
 const { Cesium } = DC.Namespace
 
 class AroundView {
   constructor(viewer, options = {}) {
-    if (!viewer || !(viewer instanceof Viewer)) {
-      throw new Error('the viewer invalid')
+    if (!Util.checkViewer(viewer)) {
+      throw new Error('AroundView: the viewer invalid')
     }
     this._viewer = viewer
     this._options = options

src/plugins/animation/AroundPoint.js

  * @Author: Caven
  * @Date: 2020-03-02 22:38:10
  * @Last Modified by: Caven
- * @Last Modified time: 2020-05-11 21:39:33
+ * @Last Modified time: 2020-05-12 09:57:49
  */
 
-const { Viewer, SceneEventType, Position, Transfrom } = DC
+const { Util, SceneEventType, Transfrom } = DC
 
 const { Cesium } = DC.Namespace
 
 class AroundPoint {
   constructor(viewer, position, options = {}) {
-    if (
-      !position ||
-      !(viewer instanceof Viewer) ||
-      !(position instanceof Position)
-    ) {
-      throw new Error('the position invalid')
+    if (!Util.checkViewer(viewer)) {
+      throw new Error('AroundPoint：the viewer invalid')
+    }
+    if (!Util.checkPosition(position)) {
+      throw new Error('AroundPoint：the position invalid')
     }
     this._viewer = viewer
     this._position = position