删除地形时清除绘制的局部等高线

src/Obj/Analysis/Contour/index.js

@@ -47,6 +47,11 @@ class ContourAnalysis {
     YJ.Analysis.AnalysesResults.push(this)
     this.createNewLine();
   }
+
+  get type() {
+    return 'ContourAnalysis'
+  }
+
   createNewLine() {
     ContourAnalysis.interpolatePoint(this);
   }