diff --git a/Source/DotSpatial.Projections/DotSpatial.Projections.csproj b/Source/DotSpatial.Projections/DotSpatial.Projections.csproj
index b08759fc1..0ae6d561a 100644
--- a/Source/DotSpatial.Projections/DotSpatial.Projections.csproj
+++ b/Source/DotSpatial.Projections/DotSpatial.Projections.csproj
@@ -194,6 +194,7 @@
     <Compile Include="ProjectedSystems.cs" />
     <Compile Include="ProjectionException.cs" />
     <Compile Include="ProjectionInfo.cs" />
+    <Compile Include="ProjectionInfoExtensions.cs" />
     <Compile Include="ProjectionInvalidEsriFormatException.cs" />
     <Compile Include="ProjectionMessages.Designer.cs">
       <DependentUpon>ProjectionMessages.resx</DependentUpon>
@@ -348,6 +349,9 @@
   <ItemGroup>
     <None Include="DeflateStreamUtility\DeflateStreamUtility.exe" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="AuthorityCodes\AuthorityCodeToProj4.txt" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PreBuildEvent>
diff --git a/Source/DotSpatial.Projections/ProjectedCategories/NationalGridsSweden.cs b/Source/DotSpatial.Projections/ProjectedCategories/NationalGridsSweden.cs
index d5aa1db63..194f64515 100644
--- a/Source/DotSpatial.Projections/ProjectedCategories/NationalGridsSweden.cs
+++ b/Source/DotSpatial.Projections/ProjectedCategories/NationalGridsSweden.cs
@@ -66,131 +66,31 @@ public class NationalGridsSweden : CoordinateSystemCategory
         /// </summary>
         public NationalGridsSweden()
         {
-            // EPSG:3028
-            RT380gon = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=18.05827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3028);
-            // EPSG:3029
-            RT3825gonO = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=20.30827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3029);
-            // EPSG:3027
-            RT3825gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=15.80827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3027);
-            // EPSG:3030
-            RT385gonO = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=22.55827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3030);
-            // EPSG:3026
-            RT385gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=13.55827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3026);
-            // EPSG:3025
-            RT3875gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=11.30827777777778 +k=1.000000 +x_0=1500000 +y_0=0 +ellps=bessel +units=m +no_defs ", "EPSG", 3025);
-            // EPSG:3022
-            RT900gon = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=18.05827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3022);
-            // EPSG:3023
-            RT9025gonO = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=20.30827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3023);
-            // EPSG:3021
-            RT9025gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=15.80827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3021);
-            // EPSG:3024
-            RT905gonO = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=22.55827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3024);
-            // EPSG:3020
-            RT905gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=13.55827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3020);
-            // EPSG:3019
-            RT9075gonV = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=11.30827777777778 +k=1 +x_0=1500000 +y_0=0 +ellps=bessel +towgs84=419.384,99.3335,591.345,0.850389,1.81728,-7.86224,-0.99496 +units=m +no_defs ", "EPSG", 3019);
-            // EPSG:3007
-            SWEREF991200 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=12 +k=1 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3007);
-            // EPSG:3008
-            SWEREF991330 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=13.5 +k=1 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3008);
-            // EPSG:3012
-            SWEREF991415 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=14.25 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG");
-            // EPSG:3009
-            SWEREF991500 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=15 +k=1 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs  ", "EPSG", 3009);
-            // EPSG:3013
-            SWEREF991545 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=15.75 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3013);
-            // EPSG:3010
-            SWEREF991630 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=16.5 +k=1 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs  ", "EPSG", 3010);
-            // EPSG:3014
-            SWEREF991715 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=17.25 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3014);
-            // EPSG:3011
-            SWEREF991800 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=18 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3011);
-            // EPSG:3015
-            SWEREF991845 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=18.75 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3015);
-            // EPSG:3016
-            SWEREF992015 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=20.25 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3016);
-            // EPSG:3017
-            SWEREF992145 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=21.75 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3017);
-            // EPSG:3018
-            SWEREF992315 = ProjectionInfo.FromProj4String("+proj=tmerc +lat_0=0 +lon_0=23.25 +k=1.000000 +x_0=150000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3018);
-            // EPSG:3006
-            SWEREF99TM = ProjectionInfo.FromProj4String("+proj=utm +zone=33 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ", "EPSG", 3006);
-            RT380gon.Name = "RT38_0_gon";
-            RT3825gonO.Name = "RT38_25_gon_O";
-            RT3825gonV.Name = "RT38_25_gon_V";
-            RT385gonO.Name = "RT38_5_gon_O";
-            RT385gonV.Name = "RT38_5_gon_V";
-            RT3875gonV.Name = "RT38_75_gon_V";
-            RT900gon.Name = "RT90_0_gon";
-            RT9025gonO.Name = "RT90_25_gon_O";
-            RT9025gonV.Name = "RT90_25_gon_V";
-            RT905gonO.Name = "RT90_5_gon_O";
-            RT905gonV.Name = "RT90_5_gon_V";
-            RT9075gonV.Name = "RT90_75_gon_V";
-            SWEREF991200.Name = "SWEREF99_12_00";
-            SWEREF991330.Name = "SWEREF99_13_30";
-            SWEREF991415.Name = "SWEREF99_14_15";
-            SWEREF991500.Name = "SWEREF99_15_00";
-            SWEREF991545.Name = "SWEREF99_15_45";
-            SWEREF991630.Name = "SWEREF99_16_30";
-            SWEREF991715.Name = "SWEREF99_17_15";
-            SWEREF991800.Name = "SWEREF99_18_00";
-            SWEREF991845.Name = "SWEREF99_18_45";
-            SWEREF992015.Name = "SWEREF99_20_15";
-            SWEREF992145.Name = "SWEREF99_21_45";
-            SWEREF992315.Name = "SWEREF99_23_15";
-            SWEREF99TM.Name = "SWEREF99_TM";
-            RT380gon.GeographicInfo.Name = "GCS_RT38";
-            RT3825gonO.GeographicInfo.Name = "GCS_RT38";
-            RT3825gonV.GeographicInfo.Name = "GCS_RT38";
-            RT385gonO.GeographicInfo.Name = "GCS_RT38";
-            RT385gonV.GeographicInfo.Name = "GCS_RT38";
-            RT3875gonV.GeographicInfo.Name = "GCS_RT38";
-            RT900gon.GeographicInfo.Name = "GCS_RT_1990";
-            RT9025gonO.GeographicInfo.Name = "GCS_RT_1990";
-            RT9025gonV.GeographicInfo.Name = "GCS_RT_1990";
-            RT905gonO.GeographicInfo.Name = "GCS_RT_1990";
-            RT905gonV.GeographicInfo.Name = "GCS_RT_1990";
-            RT9075gonV.GeographicInfo.Name = "GCS_RT_1990";
-            SWEREF991200.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991330.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991415.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991500.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991545.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991630.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991715.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991800.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF991845.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF992015.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF992145.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF992315.GeographicInfo.Name = "GCS_SWEREF99";
-            SWEREF99TM.GeographicInfo.Name = "GCS_SWEREF99";
-            RT380gon.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT3825gonO.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT3825gonV.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT385gonO.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT385gonV.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT3875gonV.GeographicInfo.Datum.Name = "D_Stockholm_1938";
-            RT900gon.GeographicInfo.Datum.Name = "D_RT_1990";
-            RT9025gonO.GeographicInfo.Datum.Name = "D_RT_1990";
-            RT9025gonV.GeographicInfo.Datum.Name = "D_RT_1990";
-            RT905gonO.GeographicInfo.Datum.Name = "D_RT_1990";
-            RT905gonV.GeographicInfo.Datum.Name = "D_RT_1990";
-            RT9075gonV.GeographicInfo.Datum.Name = "D_RT_1990";
-            SWEREF991200.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991330.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991415.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991500.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991545.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991630.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991715.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991800.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF991845.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF992015.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF992145.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF992315.GeographicInfo.Datum.Name = "D_SWEREF99";
-            SWEREF99TM.GeographicInfo.Datum.Name = "D_SWEREF99";
+            RT380gon = ProjectionInfo.FromEpsgCode(3028).SetNames("RT38_0_gon", "GCS_RT38", "D_Stockholm_1938");
+            RT3825gonO = ProjectionInfo.FromEpsgCode(3029).SetNames("RT38_25_gon_O", "GCS_RT38", "D_Stockholm_1938");
+            RT3825gonV = ProjectionInfo.FromEpsgCode(3027).SetNames("RT38_25_gon_V", "GCS_RT38", "D_Stockholm_1938");
+            RT385gonO = ProjectionInfo.FromEpsgCode(3030).SetNames("RT38_5_gon_O", "GCS_RT38", "D_Stockholm_1938");
+            RT385gonV = ProjectionInfo.FromEpsgCode(3026).SetNames("RT38_5_gon_V", "GCS_RT38", "D_Stockholm_1938");
+            RT3875gonV = ProjectionInfo.FromEpsgCode(3025).SetNames("RT38_75_gon_V", "GCS_RT38", "D_Stockholm_1938");
+            RT900gon = ProjectionInfo.FromEpsgCode(3022).SetNames("RT90_0_gon", "GCS_RT_1990", "D_RT_1990");
+            RT9025gonO = ProjectionInfo.FromEpsgCode(3023).SetNames("RT90_25_gon_O", "GCS_RT_1990", "D_RT_1990");
+            RT9025gonV = ProjectionInfo.FromEpsgCode(3021).SetNames("RT90_25_gon_V", "GCS_RT_1990", "D_RT_1990");
+            RT905gonO = ProjectionInfo.FromEpsgCode(3024).SetNames("RT90_5_gon_O", "GCS_RT_1990", "D_RT_1990");
+            RT905gonV = ProjectionInfo.FromEpsgCode(3020).SetNames("RT90_5_gon_V", "GCS_RT_1990", "D_RT_1990");
+            RT9075gonV = ProjectionInfo.FromEpsgCode(3019).SetNames("RT90_75_gon_V", "GCS_RT_1990", "D_RT_1990");
+            SWEREF991200 = ProjectionInfo.FromEpsgCode(3007).SetNames("SWEREF99_12_00", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991330 = ProjectionInfo.FromEpsgCode(3008).SetNames("SWEREF99_13_30", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991415 = ProjectionInfo.FromEpsgCode(3012).SetNames("SWEREF99_14_15", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991500 = ProjectionInfo.FromEpsgCode(3009).SetNames("SWEREF99_15_00", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991545 = ProjectionInfo.FromEpsgCode(3013).SetNames("SWEREF99_15_45", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991630 = ProjectionInfo.FromEpsgCode(3010).SetNames("SWEREF99_16_30", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991715 = ProjectionInfo.FromEpsgCode(3014).SetNames("SWEREF99_17_15", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991800 = ProjectionInfo.FromEpsgCode(3011).SetNames("SWEREF99_18_00", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF991845 = ProjectionInfo.FromEpsgCode(3015).SetNames("SWEREF99_18_45", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF992015 = ProjectionInfo.FromEpsgCode(3016).SetNames("SWEREF99_20_15", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF992145 = ProjectionInfo.FromEpsgCode(3017).SetNames("SWEREF99_21_45", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF992315 = ProjectionInfo.FromEpsgCode(3018).SetNames("SWEREF99_23_15", "GCS_SWEREF99", "D_SWEREF99");
+            SWEREF99TM = ProjectionInfo.FromEpsgCode(3006).SetNames("SWEREF99_TM", "GCS_SWEREF99", "D_SWEREF99");
         }
 
         #endregion
diff --git a/Source/DotSpatial.Projections/ProjectionInfoExtensions.cs b/Source/DotSpatial.Projections/ProjectionInfoExtensions.cs
new file mode 100644
index 000000000..0aa4a4941
--- /dev/null
+++ b/Source/DotSpatial.Projections/ProjectionInfoExtensions.cs
@@ -0,0 +1,20 @@
+namespace DotSpatial.Projections
+{
+    internal static class ProjectionInfoExtensions
+    {
+        /// <summary>
+        /// Sets names for given projection info
+        /// </summary>
+        /// <param name="pi">Projection Info</param>
+        /// <param name="projectionName">Projection name</param>
+        /// <param name="geograficInfoName">Geografic info name</param>
+        /// <param name="datumName">Geografic info datu name</param>
+        public static ProjectionInfo SetNames(this ProjectionInfo pi, string projectionName, string geograficInfoName, string datumName)
+        {
+            pi.Name = projectionName;
+            pi.GeographicInfo.Name = geograficInfoName;
+            pi.GeographicInfo.Datum.Name = datumName;
+            return pi;
+        }
+    }
+}
\ No newline at end of file