Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometrySurface.cs
===================================================================
diff -u -r6245 -r6291
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometrySurface.cs	(.../GeometrySurface.cs)	(revision 6245)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geometry/GeometrySurface.cs	(.../GeometrySurface.cs)	(revision 6291)
@@ -67,6 +67,15 @@
     /// All internal loops encompassed by <see cref="OuterLoop"/>.
     /// </summary>
     public List<GeometryLoop> InnerLoops { get; } = new List<GeometryLoop>();
+    
+    /// <summary>
+    /// Determines if there are any inner loops in this surface 
+    /// </summary>
+    /// <returns>true when at least 1 inner loop is available else false</returns>
+    public bool HasInnerLoops()
+    {
+        return InnerLoops.Any();
+    }
 
     /// <summary>
     /// Placeholder for the previous outer loop.