Index: Core/Common/src/Core.Common.Base/Geometry/Point3DCollectionExtensions.cs
===================================================================
diff -u -r9b2bb9a809f4b42bd06b910dde1f6eb8e546356f -r521fd4ed7406936caea01ab793ae9dbfeec69cc5
--- Core/Common/src/Core.Common.Base/Geometry/Point3DCollectionExtensions.cs	(.../Point3DCollectionExtensions.cs)	(revision 9b2bb9a809f4b42bd06b910dde1f6eb8e546356f)
+++ Core/Common/src/Core.Common.Base/Geometry/Point3DCollectionExtensions.cs	(.../Point3DCollectionExtensions.cs)	(revision 521fd4ed7406936caea01ab793ae9dbfeec69cc5)
@@ -83,13 +83,11 @@
             Point3D lastPoint = null;
             foreach (Point3D point in points)
             {
-                if (lastPoint != null)
+                if (lastPoint != null && !Equals(lastPoint, point))
                 {
-                    if (!Equals(lastPoint, point))
-                    {
-                        return false;
-                    }
+                    return false;
                 }
+
                 lastPoint = point;
             }
             return true;
Index: Core/Components/src/Core.Components.DotSpatial.Forms/MapControl.cs
===================================================================
diff -u -rd15513df1bcbfee9f9edbe42da62e63c0b131574 -r521fd4ed7406936caea01ab793ae9dbfeec69cc5
--- Core/Components/src/Core.Components.DotSpatial.Forms/MapControl.cs	(.../MapControl.cs)	(revision d15513df1bcbfee9f9edbe42da62e63c0b131574)
+++ Core/Components/src/Core.Components.DotSpatial.Forms/MapControl.cs	(.../MapControl.cs)	(revision 521fd4ed7406936caea01ab793ae9dbfeec69cc5)
@@ -392,13 +392,10 @@
 
         private void DrawInitialMapData()
         {
-            if (backgroundMapData != null && backgroundMapData.IsConfigured)
+            if (backgroundMapData != null && backgroundMapData.IsConfigured && InitializeBackgroundLayer())
             {
-                if (InitializeBackgroundLayer())
-                {
-                    Projection = backgroundLayerStatus.BackgroundLayer.Projection;
-                    map.Layers.Add(backgroundLayerStatus.BackgroundLayer);
-                }
+                Projection = backgroundLayerStatus.BackgroundLayer.Projection;
+                map.Layers.Add(backgroundLayerStatus.BackgroundLayer);
             }
 
             if (Data != null)
Index: Core/Components/src/Core.Components.DotSpatial/Layer/BruTile/BruTileLayer.cs
===================================================================
diff -u -r6b8f6422c0a6f96f8e563bb6afb82a7a192142b4 -r521fd4ed7406936caea01ab793ae9dbfeec69cc5
--- Core/Components/src/Core.Components.DotSpatial/Layer/BruTile/BruTileLayer.cs	(.../BruTileLayer.cs)	(revision 6b8f6422c0a6f96f8e563bb6afb82a7a192142b4)
+++ Core/Components/src/Core.Components.DotSpatial/Layer/BruTile/BruTileLayer.cs	(.../BruTileLayer.cs)	(revision 521fd4ed7406936caea01ab793ae9dbfeec69cc5)
@@ -344,16 +344,14 @@
         private static ProjectionInfo GetTileSourceProjectionInfo(string spatialReferenceSystemString)
         {
             ProjectionInfo projectionInfo;
-            if (!TryParseProjectionEsri(spatialReferenceSystemString, out projectionInfo))
+            if (!TryParseProjectionEsri(spatialReferenceSystemString, out projectionInfo) 
+                && !TryParseProjectionProj4(spatialReferenceSystemString, out projectionInfo))
             {
-                if (!TryParseProjectionProj4(spatialReferenceSystemString, out projectionInfo))
-                {
-                    // For WMTS, 'spatialReferenceSystemString' might be some crude value (urn-string):
-                    string authorityCode = ToAuthorityCode(spatialReferenceSystemString);
-                    projectionInfo = !string.IsNullOrWhiteSpace(authorityCode)
-                                         ? AuthorityCodeHandler.Instance[authorityCode]
-                                         : null;
-                }
+                // For WMTS, 'spatialReferenceSystemString' might be some crude value (urn-string):
+                string authorityCode = ToAuthorityCode(spatialReferenceSystemString);
+                projectionInfo = !string.IsNullOrWhiteSpace(authorityCode)
+                                     ? AuthorityCodeHandler.Instance[authorityCode]
+                                     : null;
             }
 
             if (projectionInfo == null)
Index: Core/Components/src/Core.Components.DotSpatial/MapFunctions/MapFunctionSelectionZoom.cs
===================================================================
diff -u -r67284323e2785c651633d9c52049ba12a9c70e6a -r521fd4ed7406936caea01ab793ae9dbfeec69cc5
--- Core/Components/src/Core.Components.DotSpatial/MapFunctions/MapFunctionSelectionZoom.cs	(.../MapFunctionSelectionZoom.cs)	(revision 67284323e2785c651633d9c52049ba12a9c70e6a)
+++ Core/Components/src/Core.Components.DotSpatial/MapFunctions/MapFunctionSelectionZoom.cs	(.../MapFunctionSelectionZoom.cs)	(revision 521fd4ed7406936caea01ab793ae9dbfeec69cc5)
@@ -143,7 +143,7 @@
                 }
                 isDragging = false;
 
-                if (handled == false)
+                if (!handled)
                 {
                     e.Map.MapFrame.ResetExtents();
                 }
Index: Core/Components/src/Core.Components.DotSpatial/Projections/TileReprojector.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r521fd4ed7406936caea01ab793ae9dbfeec69cc5
--- Core/Components/src/Core.Components.DotSpatial/Projections/TileReprojector.cs	(.../TileReprojector.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Core/Components/src/Core.Components.DotSpatial/Projections/TileReprojector.cs	(.../TileReprojector.cs)	(revision 521fd4ed7406936caea01ab793ae9dbfeec69cc5)
@@ -122,6 +122,7 @@
                     targetTileColorAccess[ppair.Item2.X, ppair.Item2.Y] = c;
                 }
             }
+
             // Copy to output tile
             targetTileColorAccess.SetBufferToImageAtOriginalLocation(targetTile);
 
@@ -176,13 +177,12 @@
             {
                 return false;
             }
-            if (sourcePixelLocation.X < area.Width)
+
+            if (sourcePixelLocation.X < area.Width && sourcePixelLocation.Y < area.Height)
             {
-                if (sourcePixelLocation.Y < area.Height)
-                {
-                    return true;
-                }
+                return true;
             }
+
             return false;
         }
     }