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				@@ -183,9 +183,11 @@ export default { 
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				       } 
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				     }, 
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				     zoomTo(id, geom) { 
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				-      // if (dataSourceList[id]) viewer.zoomTo(dataSourceList[id]); 
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				-      this.tempdataSourcesId = "zoom" + id; 
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				-      this.addPolygon(geom, "zoom" + id, "#ff0000"); 
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				+      let zid = "zoom" + id; 
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				+      if (!dataSourceList[zid]) { 
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				+        this.tempdataSourcesId = zid; 
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				+        this.addPolygon(geom, zid, "#ff0000"); 
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				+      } 
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				     }, 
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				     setEchart(data, id, childid) { 
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				       this.$nextTick(() => { 
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