Remove default value of divisions parameter, added BoundedCurve.ToPol…

…yline witout parameter

Elements/src/Geometry/BoundedCurve.cs

@@ -84,12 +84,21 @@ public virtual Transform[] Frames(double startSetbackDistance = 0.0,
             return transforms;
         }
 
+        /// <summary>
+        /// Create a polyline through a set of points along the curve.
+        /// </summary>
+        /// <returns>A polyline.</returns>
+        public virtual Polyline ToPolyline()
+        {
+            return ToPolyline(10);
+        }
+
         /// <summary>
         /// Create a polyline through a set of points along the curve.
         /// </summary>
         /// <param name="divisions">The number of divisions of the curve.</param>
         /// <returns>A polyline.</returns>
-        public virtual Polyline ToPolyline(int divisions = 10)
+        public virtual Polyline ToPolyline(int divisions)
         {
             var pts = new List<Vector3>(divisions + 1);
             var step = this.Domain.Length / divisions;

Elements/src/Geometry/IndexedPolycurve.cs

@@ -670,7 +670,7 @@ internal static void CheckSelfIntersectionAndThrow(Transform t, IEnumerable<(Vec
         /// Create a polyline through curves of IndexedPolycurve, interpolating any curves that are not lines.
         /// </summary>
         /// <returns>A polyline.</returns>
-        public virtual Polyline ToPolyline()
+        public override Polyline ToPolyline()
         {
             List<Vector3> vertices = new List<Vector3>();
             foreach (var curve in _curves)
@@ -698,7 +698,7 @@ public virtual Polyline ToPolyline()
         /// <param name="divisions">The number of divisions of the curve. 
         /// This can lead to highly distorted result.</param>
         /// <returns>A polyline.</returns>
-        public override Polyline ToPolyline(int divisions = 10)
+        public override Polyline ToPolyline(int divisions)
         {
             //
             if (divisions < _curves.Count)