Add inclined section visualization

StructureHelperCommon/Infrastructures/Interfaces/IObjectConvertStrategy.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Infrastructures.Interfaces
+{
+    public interface IObjectConvertStrategy<T, V>
+    {
+        T Convert(V source);
+    }
+}

StructureHelperCommon/Models/VisualProperties/PrimitiveVisualProperty.cs

@@ -7,7 +7,7 @@ namespace StructureHelperCommon.Models.VisualProperties
     /// <inheritdoc/>
     public class PrimitiveVisualProperty : IPrimitiveVisualProperty
     {
-        private double opacity = 0;
+        private double opacity = 1;
 
         /// <inheritdoc/>
         public Guid Id { get; }
@@ -25,7 +25,7 @@ namespace StructureHelperCommon.Models.VisualProperties
             {
                 if (value < 0)
                 {
-                    opacity = 1;
+                    opacity = 0;
                     return;
                 }
                 if (value > 1)