Рефакторинг, добавление моделей примитивов

Infrastructure/UI/DataContexts/Point.cs

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+using System;
+using StructureHelper.Infrastructure.Enums;
+using StructureHelper.Windows.MainWindow;
+using StructureHelperLogics.Data.Shapes;
+using StructureHelperLogics.NdmCalculations.Entities;
+using StructureHelperLogics.NdmCalculations.Materials;
+
+namespace StructureHelper.Infrastructure.UI.DataContexts
+{
+    public class Point : PrimitiveBase
+    {
+        private double square;
+        public double Square
+        {
+            get => square;
+            set
+            {
+                square = value;
+                PrimitiveWidth = Math.Round(Math.Sqrt(4 * value / Math.PI), 2);
+                OnPropertyChanged(nameof(PrimitiveWidth));
+                OnPropertyChanged();
+            }
+        }
+
+        public Point(double square, double x, double y, MainViewModel mainViewModel) : base(PrimitiveType.Point, x, y, mainViewModel)
+        {
+            Square = square;
+            ShowedX = 0;
+            ShowedY = 0;
+        }
+
+        public override INdmPrimitive GetNdmPrimitive()
+        {
+            double strength = 0;
+            double centerX = 0;
+            double centerY = 0;
+            double area = 0;
+            string materialName = "s400";
+            ICenter center = new Center() { X = centerX, Y = centerY };
+            IShape shape = new StructureHelperLogics.Data.Shapes.Point() { Area = area };
+            IPrimitiveMaterial primitiveMaterial = new PrimitiveMaterial() { MaterialType = GetMaterialTypes(), ClassName = materialName, Strength = strength }; ;
+            INdmPrimitive ndmPrimitive = new NdmPrimitive() { Center = center, Shape = shape, PrimitiveMaterial = primitiveMaterial };
+            return ndmPrimitive;
+        }
+    }
+}