优化:椭圆变板件增加更多的采样点

src/DatabaseServices/Entity/Ellipse.ts

@@ -556,11 +556,13 @@ export class Ellipse extends Curve
     }
     Convert2Polyline(count = 10)
     {
-        let pts = this.Shape.getPoints(count);
-        return new Polyline(pts.map(p =>
+        let pts = this.Shape.getPoints(this.Length / 50);
+        let pl = new Polyline(pts.map(p =>
         {
             return { pt: p, bul: 0 };
         })).ApplyMatrix(this.OCS);
+        pl.CloseMark = true;
+        return pl;
     }
     protected _ReadFile(file: CADFiler)
     {