View primitives was fixed

Infrastructure/UI/DataContexts/PointViewPrimitive.cs

@@ -0,0 +1,49 @@
+using System;
+using StructureHelper.Infrastructure.Enums;
+using StructureHelper.UnitSystem.Systems;
+using StructureHelper.Windows.MainWindow;
+using StructureHelperLogics.Models.Primitives;
+using StructureHelperLogics.Models.Materials;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace StructureHelper.Infrastructure.UI.DataContexts
+{
+    public class PointViewPrimitive : PrimitiveBase, IHasCenter
+    {
+        const double lengthUnit = 1000d;
+
+        IPointPrimitive primitive;
+
+        public double Area
+        { get => primitive.Area;
+          set
+            {
+                primitive.Area = value;
+                OnPropertyChanged(nameof(Area));
+                OnPropertyChanged(nameof(Diameter));
+            }
+        }
+
+        public double PrimitiveLeft
+        {
+            get => DeltaX - Diameter / 2d * lengthUnit;
+        }
+        public double PrimitiveTop
+        {
+            get => DeltaY - Diameter / 2d * lengthUnit;
+        }
+
+        public PointViewPrimitive(IPointPrimitive _primitive) : base(_primitive)
+        {
+            primitive = _primitive;
+        }
+
+        public double Diameter { get => Math.Sqrt(primitive.Area / Math.PI) * 2; }
+
+        public override INdmPrimitive GetNdmPrimitive()
+        {
+            return primitive;
+        }
+    }
+}