Merge pull request #24 from North/coordinate-system-support

Add crs support to ToDbGeometry/Geography

Author: xfischer

src/GeoJSON.Net.Contrib.EntityFramework/EntityFrameworkConvertToDbGeography.cs

@@ -6,10 +6,15 @@ namespace GeoJSON.Net.Contrib.EntityFramework
 {
     public static partial class EntityFrameworkConvert
     {
+        [Obsolete("This method will be removed in future releases, consider migrating now to the newest signature.", false)]
         public static DbGeography ToDbGeography(this IGeometryObject geometryObject)
         {
-            DbGeography value = DbGeography.FromBinary(WkbEncode.Encode(geometryObject));
-            return value;
+            return geometryObject.ToDbGeography(4326);
+        }
+        
+        public static DbGeography ToDbGeography(this IGeometryObject geometryObject, int coordinateSystemId = 4326)
+        {
+            return DbGeography.FromBinary(WkbEncode.Encode(geometryObject), coordinateSystemId);
         }
     }
 }

src/GeoJSON.Net.Contrib.EntityFramework/EntityFrameworkConvertToDbGeometry.cs

@@ -1,14 +1,19 @@
-using System.Data.Entity.Spatial;
-using GeoJSON.Net.Geometry;
+using System.Data.Entity.Spatial;
+using GeoJSON.Net.Geometry;
 using GeoJSON.Net.Contrib.Wkb.Conversions;
 
-namespace GeoJSON.Net.Contrib.EntityFramework
-{
-    public static partial class EntityFrameworkConvert
-    {
-        public static DbGeometry ToDbGeometry(this IGeometryObject geometryObject)
-        {
-            return DbGeometry.FromBinary(WkbEncode.Encode(geometryObject));
-        }
-    }
-}
+namespace GeoJSON.Net.Contrib.EntityFramework
+{
+    public static partial class EntityFrameworkConvert
+    {
+        [Obsolete("This method will be removed in future releases, consider migrating now to the newest signature.", false)]
+        public static DbGeometry ToDbGeometry(this IGeometryObject geometryObject)
+        {
+            return geometryObject.ToDbGeometry(4326);
+        }
+        public static DbGeometry ToDbGeometry(this IGeometryObject geometryObject, int coordinateSystemId = 4326)
+        {
+            return DbGeometry.FromBinary(WkbEncode.Encode(geometryObject), coordinateSystemId);
+        }
+    }
+}