Add extended force tuple result

StructureHelperLogics/NdmCalculations/Analyses/ValueDiagrams/IValueDigram.cs

@@ -0,0 +1,15 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams
+{
+    public interface IValueDigram : ISaveable
+    {
+        IPoint2DRange Point2DRange { get; }
+    }
+}