Merge branch 'develop' of http://xny.yj-3d.com:3000/zh/sdk4.0 into develop

src/Obj/Base/BatchModel/index.js

@@ -74,6 +74,7 @@ class BatchModel extends Base {
       Draw && Draw.start((a, positions) => {
         this.options.positions = positions;
         //判断范围是否过大
+        if (positions) {
           if (options.type == '面') {
             let posi = positions.map(v => {
               return Cesium.Cartesian3.fromDegrees(v.lng, v.lat)
@@ -101,6 +102,7 @@ class BatchModel extends Base {
           }
           // this.callback(this.options);
           (this.options.positions.length || this.options.positions.lng) && BatchModel.computeDis(this)
+        }
       })
 
     } else {
@@ -115,6 +117,7 @@ class BatchModel extends Base {
     let posiArr = []
     let array = []
     if (that.options.type == '面') {
+      if (that.options.positions.length != 0) {
         that.options.positions.forEach(item => {
           fromDegreesArray.push(item.lng, item.lat)
         })
@@ -135,7 +138,9 @@ class BatchModel extends Base {
             alt: height
           })
         })
+      }
     } else if (that.options.type == '线') {
+      if (that.options.positions.length != 0) {
         that.options.positions.forEach(item => {
           fromDegreesArray.push(item.lng, item.lat)
         })
@@ -155,12 +160,17 @@ class BatchModel extends Base {
             alt: height
           })
         })
+      }
+
     } else if (that.options.type == '点') {
+      if (that.options.positions.lng) {
         let height = await that.getClampToHeight({ lng: that.options.positions.lng, lat: that.options.positions.lat })
         posiArr = [{ lng: that.options.positions.lng, lat: that.options.positions.lat, alt: height }]
         // posiArr = [that.options.positions]
         that.pointArr = posiArr
       }
+
+    }
     let params = {
       type: that.options.type,
       positions: posiArr,