diff --git a/src/mesh/autoMesh/Make/files b/src/mesh/autoMesh/Make/files
index be8a5fff15..2bc9cd80a1 100644
--- a/src/mesh/autoMesh/Make/files
+++ b/src/mesh/autoMesh/Make/files
@@ -2,7 +2,7 @@ autoHexMesh             = autoHexMesh
 autoHexMeshDriver       = $(autoHexMesh)/autoHexMeshDriver
 
 $(autoHexMeshDriver)/autoLayerDriver.C
-$(autoHexMeshDriver)/autoLayerDriverShrink.C
+/* $(autoHexMeshDriver)/autoLayerDriverShrink.C */
 $(autoHexMeshDriver)/autoSnapDriver.C
 $(autoHexMeshDriver)/autoSnapDriverFeature.C
 $(autoHexMeshDriver)/autoRefineDriver.C
diff --git a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.H b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.H
index ee94b0b015..07bf19ce0d 100644
--- a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.H
+++ b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -29,7 +29,6 @@ Description
 
 SourceFiles
     autoLayerDriver.C
-    autoLayerDriverShrink.C
 
 \*---------------------------------------------------------------------------*/
 
diff --git a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriver.C b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriver.C
index ed05edf492..006ead54fb 100644
--- a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriver.C
+++ b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriver.C
@@ -1292,7 +1292,15 @@ void Foam::autoSnapDriver::detectNearSurfaces
     }
 
 
-    const PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh));
+    const PackedBoolList isPatchMasterPoint
+    (
+        meshRefinement::getMasterPoints
+        (
+            mesh,
+            meshPoints
+        )
+    );
+
     label nOverride = 0;
 
     // 1. All points to non-interface surfaces
@@ -1405,7 +1413,7 @@ void Foam::autoSnapDriver::detectNearSurfaces
                 }
             }
 
-            if (override && isMasterPoint[meshPoints[pointI]])
+            if (override && isPatchMasterPoint[pointI])
             {
                 nOverride++;
             }
@@ -1543,7 +1551,7 @@ void Foam::autoSnapDriver::detectNearSurfaces
                     }
                 }
 
-                if (override && isMasterPoint[meshPoints[pointI]])
+                if (override && isPatchMasterPoint[pointI])
                 {
                     nOverride++;
                 }
@@ -1758,16 +1766,19 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurface
         }
 
         {
+            const PackedBoolList isPatchMasterPoint
+            (
+                meshRefinement::getMasterPoints
+                (
+                    mesh,
+                    pp.meshPoints()
+                )
+            );
+
             scalarField magDisp(mag(patchDisp));
 
             Info<< "Wanted displacement : average:"
-                <<  meshRefinement::gAverage
-                    (
-                        mesh,
-                        syncTools::getMasterPoints(mesh),
-                        pp.meshPoints(),
-                        magDisp
-                    )
+                <<  meshRefinement::gAverage(isPatchMasterPoint, magDisp)
                 << " min:" << gMin(magDisp)
                 << " max:" << gMax(magDisp) << endl;
         }
diff --git a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriverFeature.C b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriverFeature.C
index c7a00df00e..b1cc58a051 100644
--- a/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriverFeature.C
+++ b/src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoSnapDriverFeature.C
@@ -126,7 +126,7 @@ bool Foam::autoSnapDriver::isFeaturePoint
 
 void Foam::autoSnapDriver::smoothAndConstrain
 (
-    const PackedBoolList& isMasterEdge,
+    const PackedBoolList& isPatchMasterEdge,
     const indirectPrimitivePatch& pp,
     const labelList& meshEdges,
     const List<pointConstraint>& constraints,
@@ -168,7 +168,7 @@ void Foam::autoSnapDriver::smoothAndConstrain
                 {
                     label edgeI = pEdges[i];
 
-                    if (isMasterEdge[meshEdges[edgeI]])
+                    if (isPatchMasterEdge[edgeI])
                     {
                         label nbrPointI = edges[edgeI].otherVertex(pointI);
                         if (constraints[nbrPointI].first() >= nConstraints)
@@ -3231,20 +3231,24 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
         patchConstraints
     );
 
-    const PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh));
+    //const PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh));
+    const PackedBoolList isPatchMasterPoint
+    (
+        meshRefinement::getMasterPoints
+        (
+            mesh,
+            pp.meshPoints()
+        )
+    );
     {
         vector avgPatchDisp = meshRefinement::gAverage
         (
-            mesh,
-            isMasterPoint,
-            pp.meshPoints(),
+            isPatchMasterPoint,
             patchDisp
         );
         vector avgPatchAttr = meshRefinement::gAverage
         (
-            mesh,
-            isMasterPoint,
-            pp.meshPoints(),
+            isPatchMasterPoint,
             patchAttraction
         );
 
@@ -3280,8 +3284,6 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
 
     // Count
     {
-        const labelList& meshPoints = pp.meshPoints();
-
         label nMasterPoints = 0;
         label nPlanar = 0;
         label nEdge = 0;
@@ -3289,7 +3291,7 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
 
         forAll(patchConstraints, pointI)
         {
-            if (isMasterPoint[meshPoints[pointI]])
+            if (isPatchMasterPoint[pointI])
             {
                 nMasterPoints++;
 
@@ -3337,7 +3339,19 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
 
     if (featureAttract < 1-0.001)
     {
-        const PackedBoolList isMasterEdge(syncTools::getMasterEdges(mesh));
+        //const PackedBoolList isMasterEdge(syncTools::getMasterEdges(mesh));
+        const labelList meshEdges
+        (
+            pp.meshEdges(mesh.edges(), mesh.pointEdges())
+        );
+        const PackedBoolList isPatchMasterEdge
+        (
+            meshRefinement::getMasterEdges
+            (
+                mesh,
+                meshEdges
+            )
+        );
 
         const vectorField pointNormals
         (
@@ -3347,17 +3361,13 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
                 pp
             )
         );
-        const labelList meshEdges
-        (
-            pp.meshEdges(mesh.edges(), mesh.pointEdges())
-        );
 
 
         // 1. Smoothed all displacement
         vectorField smoothedPatchDisp = patchDisp;
         smoothAndConstrain
         (
-            isMasterEdge,
+            isPatchMasterEdge,
             pp,
             meshEdges,
             patchConstraints,
@@ -3370,7 +3380,7 @@ Foam::vectorField Foam::autoSnapDriver::calcNearestSurfaceFeature
         tangPatchDisp -= (pointNormals & patchDisp) * pointNormals;
         smoothAndConstrain
         (
-            isMasterEdge,
+            isPatchMasterEdge,
             pp,
             meshEdges,
             patchConstraints,
diff --git a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/externalDisplacementMeshMover.C b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/externalDisplacementMeshMover.C
index 55e60904ff..2067b24cac 100644
--- a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/externalDisplacementMeshMover.C
+++ b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/externalDisplacementMeshMover.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2013-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -49,7 +49,6 @@ Foam::externalDisplacementMeshMover::externalDisplacementMeshMover
 {}
 
 
-
 // * * * * * * * * * * * * * * * * * Selectors * * * * * * * * * * * * * * * //
 
 Foam::autoPtr<Foam::externalDisplacementMeshMover>
diff --git a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
index b605ae672b..df17b0ece4 100644
--- a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
+++ b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.C
@@ -129,9 +129,8 @@ Foam::medialAxisMeshMover::getPatch
 void Foam::medialAxisMeshMover::smoothPatchNormals
 (
     const label nSmoothDisp,
-    const PackedBoolList& isMasterPoint,
-    const PackedBoolList& isMasterEdge,
-    const labelList& meshEdges,
+    const PackedBoolList& isPatchMasterPoint,
+    const PackedBoolList& isPatchMasterEdge,
     pointField& normals
 ) const
 {
@@ -142,13 +141,12 @@ void Foam::medialAxisMeshMover::smoothPatchNormals
     // Get smoothly varying internal normals field.
     Info<< typeName << " : Smoothing normals ..." << endl;
 
-    scalarField edgeWeights(meshEdges.size());
+    scalarField edgeWeights(edges.size());
     scalarField invSumWeight(meshPoints.size());
     meshRefinement::calculateEdgeWeights
     (
         mesh(),
-        isMasterEdge,
-        meshEdges,
+        isPatchMasterEdge,
         meshPoints,
         edges,
         edgeWeights,
@@ -162,8 +160,7 @@ void Foam::medialAxisMeshMover::smoothPatchNormals
         meshRefinement::weightedSum
         (
             mesh(),
-            isMasterEdge,
-            meshEdges,
+            isPatchMasterEdge,
             meshPoints,
             edges,
             edgeWeights,
@@ -177,9 +174,7 @@ void Foam::medialAxisMeshMover::smoothPatchNormals
         {
             scalar resid = meshRefinement::gAverage
             (
-                mesh(),
-                isMasterPoint,
-                meshPoints,
+                isPatchMasterPoint,
                 mag(normals-average)()
             );
             Info<< "    Iteration " << iter << "   residual " << resid << endl;
@@ -201,8 +196,8 @@ void Foam::medialAxisMeshMover::smoothPatchNormals
 void Foam::medialAxisMeshMover::smoothNormals
 (
     const label nSmoothDisp,
-    const PackedBoolList& isMasterPoint,
-    const PackedBoolList& isMasterEdge,
+    const PackedBoolList& isMeshMasterPoint,
+    const PackedBoolList& isMeshMasterEdge,
     const labelList& fixedPoints,
     pointVectorField& normals
 ) const
@@ -229,18 +224,16 @@ void Foam::medialAxisMeshMover::smoothNormals
 
 
     // Correspondence between local edges/points and mesh edges/points
-    const labelList meshEdges(identity(mesh().nEdges()));
     const labelList meshPoints(identity(mesh().nPoints()));
 
     // Calculate inverse sum of weights
 
-    scalarField edgeWeights(meshEdges.size());
+    scalarField edgeWeights(mesh().nEdges());
     scalarField invSumWeight(meshPoints.size());
     meshRefinement::calculateEdgeWeights
     (
         mesh(),
-        isMasterEdge,
-        meshEdges,
+        isMeshMasterEdge,
         meshPoints,
         edges,
         edgeWeights,
@@ -253,8 +246,7 @@ void Foam::medialAxisMeshMover::smoothNormals
         meshRefinement::weightedSum
         (
             mesh(),
-            isMasterEdge,
-            meshEdges,
+            isMeshMasterEdge,
             meshPoints,
             edges,
             edgeWeights,
@@ -268,8 +260,7 @@ void Foam::medialAxisMeshMover::smoothNormals
         {
             scalar resid = meshRefinement::gAverage
             (
-                mesh(),
-                isMasterPoint,
+                isMeshMasterPoint,
                 mag(normals-average)()
             );
             Info<< "    Iteration " << iter << "   residual " << resid << endl;
@@ -411,9 +402,9 @@ void Foam::medialAxisMeshMover::update(const dictionary& coeffDict)
     // Predetermine mesh edges
     // ~~~~~~~~~~~~~~~~~~~~~~~
 
-    // Precalulate master point/edge (only relevant for shared points/edges)
-    const PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh()));
-    const PackedBoolList isMasterEdge(syncTools::getMasterEdges(mesh()));
+    // Precalulate (mesh) master point/edge (only relevant for shared pts/edges)
+    const PackedBoolList isMeshMasterPoint(syncTools::getMasterPoints(mesh()));
+    const PackedBoolList isMeshMasterEdge(syncTools::getMasterEdges(mesh()));
     // Precalculate meshEdge per pp edge
     const labelList meshEdges
     (
@@ -424,6 +415,23 @@ void Foam::medialAxisMeshMover::update(const dictionary& coeffDict)
         )
     );
 
+    // Precalulate (patch) master point/edge
+    const PackedBoolList isPatchMasterPoint
+    (
+        meshRefinement::getMasterPoints
+        (
+            mesh(),
+            meshPoints
+        )
+    );
+    const PackedBoolList isPatchMasterEdge
+    (
+        meshRefinement::getMasterEdges
+        (
+            mesh(),
+            meshEdges
+        )
+    );
 
     // Determine pointNormal
     // ~~~~~~~~~~~~~~~~~~~~~
@@ -434,9 +442,8 @@ void Foam::medialAxisMeshMover::update(const dictionary& coeffDict)
     smoothPatchNormals
     (
         nSmoothSurfaceNormals,
-        isMasterPoint,
-        isMasterEdge,
-        meshEdges,
+        isPatchMasterPoint,
+        isPatchMasterEdge,
         pointNormals
     );
 
@@ -795,8 +802,8 @@ void Foam::medialAxisMeshMover::update(const dictionary& coeffDict)
     smoothNormals
     (
         nSmoothNormals,
-        isMasterPoint,
-        isMasterEdge,
+        isMeshMasterPoint,
+        isMeshMasterEdge,
         meshPoints,
         dispVec_
     );
@@ -999,9 +1006,8 @@ void Foam::medialAxisMeshMover::syncPatchDisplacement
 void Foam::medialAxisMeshMover::minSmoothField
 (
     const label nSmoothDisp,
-    const PackedBoolList& isMasterPoint,
-    const PackedBoolList& isMasterEdge,
-    const labelList& meshEdges,
+    const PackedBoolList& isPatchMasterPoint,
+    const PackedBoolList& isPatchMasterEdge,
     const scalarField& fieldMin,
     scalarField& field
 ) const
@@ -1010,13 +1016,12 @@ void Foam::medialAxisMeshMover::minSmoothField
     const edgeList& edges = pp.edges();
     const labelList& meshPoints = pp.meshPoints();
 
-    scalarField edgeWeights(meshEdges.size());
+    scalarField edgeWeights(edges.size());
     scalarField invSumWeight(meshPoints.size());
     meshRefinement::calculateEdgeWeights
     (
         mesh(),
-        isMasterEdge,
-        meshEdges,
+        isPatchMasterEdge,
         meshPoints,
         edges,
         edgeWeights,
@@ -1032,8 +1037,7 @@ void Foam::medialAxisMeshMover::minSmoothField
         meshRefinement::weightedSum
         (
             mesh(),
-            isMasterEdge,
-            meshEdges,
+            isPatchMasterEdge,
             meshPoints,
             edges,
             edgeWeights,
@@ -1064,9 +1068,7 @@ void Foam::medialAxisMeshMover::minSmoothField
         {
             scalar resid = meshRefinement::gAverage
             (
-                mesh(),
-                isMasterPoint,
-                meshPoints,
+                isPatchMasterPoint,
                 mag(field-average)()
             );
             Info<< "    Iteration " << iter << "   residual " << resid << endl;
@@ -1080,7 +1082,7 @@ void Foam::medialAxisMeshMover::
 handleFeatureAngleLayerTerminations
 (
     const scalar minCos,
-    const PackedBoolList& isMasterPoint,
+    const PackedBoolList& isPatchMasterPoint,
     const labelList& meshEdges,
     List<autoLayerDriver::extrudeMode>& extrudeStatus,
     pointField& patchDisp,
@@ -1122,7 +1124,6 @@ handleFeatureAngleLayerTerminations
 
     const labelListList& edgeFaces = pp.edgeFaces();
     const vectorField& faceNormals = pp.faceNormals();
-    const labelList& meshPoints = pp.meshPoints();
 
     forAll(edgeFaces, edgeI)
     {
@@ -1183,14 +1184,14 @@ handleFeatureAngleLayerTerminations
                     {
                         if (unmarkExtrusion(v0, patchDisp, extrudeStatus))
                         {
-                            if (isMasterPoint[meshPoints[v0]])
+                            if (isPatchMasterPoint[v0])
                             {
                                 nPointCounter++;
                             }
                         }
                         if (unmarkExtrusion(v1, patchDisp, extrudeStatus))
                         {
-                            if (isMasterPoint[meshPoints[v1]])
+                            if (isPatchMasterPoint[v1])
                             {
                                 nPointCounter++;
                             }
@@ -1213,8 +1214,8 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
 (
     const scalar minCosLayerTermination,
     const bool detectExtrusionIsland,
-    const PackedBoolList& isMasterPoint,
-    const PackedBoolList& isMasterEdge,
+    const PackedBoolList& isPatchMasterPoint,
+    const PackedBoolList& isPatchMasterEdge,
     const labelList& meshEdges,
     const scalarField& minThickness,
     List<autoLayerDriver::extrudeMode>& extrudeStatus,
@@ -1223,13 +1224,32 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
 {
     const indirectPrimitivePatch& pp = adaptPatchPtr_();
     const labelListList& pointFaces = pp.pointFaces();
-
+    const labelList& meshPoints = pp.meshPoints();
 
     Info<< typeName << " : Removing isolated regions ..." << endl;
 
     // Keep count of number of points unextruded
     label nPointCounter = 0;
 
+
+    autoPtr<OBJstream> str;
+    if (debug)
+    {
+        str.reset
+        (
+            new OBJstream
+            (
+                mesh().time().path()
+              / "islandExcludePoints_"
+              + mesh().time().timeName()
+              + ".obj"
+            )
+        );
+        Info<< typeName
+            << " : Writing points surrounded by non-extruded points to "
+            << str().name() << endl;
+    }
+
     while (true)
     {
         // Stop layer growth where mesh wraps around edge with a
@@ -1237,7 +1257,7 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
         handleFeatureAngleLayerTerminations
         (
             minCosLayerTermination,
-            isMasterPoint,
+            isPatchMasterPoint,
             meshEdges,
 
             extrudeStatus,
@@ -1353,7 +1373,7 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
         syncTools::syncPointList
         (
             mesh(),
-            pp.meshPoints(),
+            meshPoints,
             keptPoints,
             orEqOp<bool>(),
             false               // null value
@@ -1369,6 +1389,11 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
                 {
                     nPointCounter++;
                     nChanged++;
+
+                    if (str.valid())
+                    {
+                        str().write(pp.points()[meshPoints[patchPointI]]);
+                    }
                 }
             }
         }
@@ -1390,7 +1415,7 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
 
     forAll(edges, edgeI)
     {
-        if (isMasterEdge.get(meshEdges[edgeI]) == 1)
+        if (isPatchMasterEdge[edgeI])
         {
             const edge& e = edges[edgeI];
 
@@ -1411,7 +1436,7 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
     syncTools::syncPointList
     (
         mesh(),
-        pp.meshPoints(),
+        meshPoints,
         isolatedPoint,
         plusEqOp<label>(),
         label(0)        // null value
@@ -1458,6 +1483,11 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
                     )
                     {
                         nPointCounter++;
+
+                        if (str.valid())
+                        {
+                            str().write(pp.points()[meshPoints[f[fp]]]);
+                        }
                     }
                 }
             }
@@ -1474,25 +1504,23 @@ void Foam::medialAxisMeshMover::findIsolatedRegions
 void Foam::medialAxisMeshMover::smoothLambdaMuDisplacement
 (
     const label nSmoothDisp,
-    const PackedBoolList& isMasterPoint,
-    const PackedBoolList& isMasterEdge,
+    const PackedBoolList& isMeshMasterPoint,
+    const PackedBoolList& isMeshMasterEdge,
     vectorField& displacement
 ) const
 {
     const edgeList& edges = mesh().edges();
 
     // Correspondence between local edges/points and mesh edges/points
-    const labelList meshEdges(identity(mesh().nEdges()));
     const labelList meshPoints(identity(mesh().nPoints()));
 
     // Calculate inverse sum of weights
-    scalarField edgeWeights(meshEdges.size());
+    scalarField edgeWeights(mesh().nEdges());
     scalarField invSumWeight(meshPoints.size());
     meshRefinement::calculateEdgeWeights
     (
         mesh(),
-        isMasterEdge,
-        meshEdges,
+        isMeshMasterEdge,
         meshPoints,
         edges,
         edgeWeights,
@@ -1512,8 +1540,7 @@ void Foam::medialAxisMeshMover::smoothLambdaMuDisplacement
         meshRefinement::weightedSum
         (
             mesh(),
-            isMasterEdge,
-            meshEdges,
+            isMeshMasterEdge,
             meshPoints,
             edges,
             edgeWeights,
@@ -1533,8 +1560,7 @@ void Foam::medialAxisMeshMover::smoothLambdaMuDisplacement
         meshRefinement::weightedSum
         (
             mesh(),
-            isMasterEdge,
-            meshEdges,
+            isMeshMasterEdge,
             meshPoints,
             edges,
             edgeWeights,
@@ -1558,8 +1584,7 @@ void Foam::medialAxisMeshMover::smoothLambdaMuDisplacement
         {
             scalar resid = meshRefinement::gAverage
             (
-                mesh(),
-                isMasterPoint,
+                isMeshMasterPoint,
                 mag(displacement-average)()
             );
             Info<< "    Iteration " << iter << "   residual " << resid << endl;
@@ -1735,8 +1760,8 @@ void Foam::medialAxisMeshMover::calculateDisplacement
 
 
     // Precalulate master points/edge (only relevant for shared points/edges)
-    const PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh()));
-    const PackedBoolList isMasterEdge(syncTools::getMasterEdges(mesh()));
+    const PackedBoolList isMeshMasterPoint(syncTools::getMasterPoints(mesh()));
+    const PackedBoolList isMeshMasterEdge(syncTools::getMasterEdges(mesh()));
     // Precalculate meshEdge per pp edge
     const labelList meshEdges
     (
@@ -1747,6 +1772,24 @@ void Foam::medialAxisMeshMover::calculateDisplacement
         )
     );
 
+    // Precalulate (patch) master point/edge
+    const PackedBoolList isPatchMasterPoint
+    (
+        meshRefinement::getMasterPoints
+        (
+            mesh(),
+            meshPoints
+        )
+    );
+    const PackedBoolList isPatchMasterEdge
+    (
+        meshRefinement::getMasterEdges
+        (
+            mesh(),
+            meshEdges
+        )
+    );
+
 
     scalarField thickness(patchDisp.size());
 
@@ -1846,7 +1889,7 @@ void Foam::medialAxisMeshMover::calculateDisplacement
 
                 patchDisp[patchPointI] = thickness[patchPointI]*n;
 
-                if (isMasterPoint[pointI])
+                if (isPatchMasterPoint[patchPointI])
                 {
                     numThicknessRatioExclude++;
                 }
@@ -1885,8 +1928,8 @@ void Foam::medialAxisMeshMover::calculateDisplacement
         minCosLayerTermination,
         detectExtrusionIsland,
 
-        isMasterPoint,
-        isMasterEdge,
+        isPatchMasterPoint,
+        isPatchMasterEdge,
         meshEdges,
         minThickness,
 
@@ -1908,9 +1951,8 @@ void Foam::medialAxisMeshMover::calculateDisplacement
     minSmoothField
     (
         nSmoothPatchThickness,
-        isMasterPoint,
-        isMasterEdge,
-        meshEdges,
+        isPatchMasterPoint,
+        isPatchMasterEdge,
         minThickness,
 
         thickness
@@ -1991,8 +2033,8 @@ void Foam::medialAxisMeshMover::calculateDisplacement
         smoothLambdaMuDisplacement
         (
             nSmoothDisplacement,
-            isMasterPoint,
-            isMasterEdge,
+            isMeshMasterPoint,
+            isMeshMasterEdge,
             displacement
         );
     }
diff --git a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.H b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.H
index 12c2d81433..c060e4d209 100644
--- a/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.H
+++ b/src/mesh/autoMesh/autoHexMesh/externalDisplacementMeshMover/medialAxisMeshMover.H
@@ -117,7 +117,6 @@ class medialAxisMeshMover
                 const label nSmoothDisp,
                 const PackedBoolList& isMasterPoint,
                 const PackedBoolList& isMasterEdge,
-                const labelList& meshEdges,
                 pointField& normals
             ) const;
 
@@ -175,7 +174,6 @@ class medialAxisMeshMover
                 const label nSmoothDisp,
                 const PackedBoolList& isMasterPoint,
                 const PackedBoolList& isMasterEdge,
-                const labelList& meshEdges,
                 const scalarField& fieldMin,
                 scalarField& field
             ) const;
diff --git a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C
index e90ccce3fb..5d96aafca9 100644
--- a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C
+++ b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C
@@ -1954,7 +1954,6 @@ void Foam::meshRefinement::calculateEdgeWeights
 (
     const polyMesh& mesh,
     const PackedBoolList& isMasterEdge,
-    const labelList& meshEdges,
     const labelList& meshPoints,
     const edgeList& edges,
     scalarField& edgeWeights,
@@ -1964,7 +1963,7 @@ void Foam::meshRefinement::calculateEdgeWeights
     const pointField& pts = mesh.points();
 
     // Calculate edgeWeights and inverse sum of edge weights
-    edgeWeights.setSize(meshEdges.size());
+    edgeWeights.setSize(isMasterEdge.size());
     invSumWeight.setSize(meshPoints.size());
 
     forAll(edges, edgeI)
@@ -1987,7 +1986,6 @@ void Foam::meshRefinement::calculateEdgeWeights
     (
         mesh,
         isMasterEdge,
-        meshEdges,
         meshPoints,
         edges,
         edgeWeights,
@@ -2639,8 +2637,82 @@ bool Foam::meshRefinement::write() const
 }
 
 
+Foam::PackedBoolList Foam::meshRefinement::getMasterPoints
+(
+    const polyMesh& mesh,
+    const labelList& meshPoints
+)
+{
+    const globalIndex globalPoints(meshPoints.size());
+
+    labelList myPoints(meshPoints.size());
+    forAll(meshPoints, pointI)
+    {
+        myPoints[pointI] = globalPoints.toGlobal(pointI);
+    }
+
+    syncTools::syncPointList
+    (
+        mesh,
+        meshPoints,
+        myPoints,
+        minEqOp<label>(),
+        labelMax
+    );
+
+
+    PackedBoolList isPatchMasterPoint(meshPoints.size());
+    forAll(meshPoints, pointI)
+    {
+        if (myPoints[pointI] == globalPoints.toGlobal(pointI))
+        {
+            isPatchMasterPoint[pointI] = true;
+        }
+    }
+
+    return isPatchMasterPoint;
+}
+
+
+Foam::PackedBoolList Foam::meshRefinement::getMasterEdges
+(
+    const polyMesh& mesh,
+    const labelList& meshEdges
+)
+{
+    const globalIndex globalEdges(meshEdges.size());
+
+    labelList myEdges(meshEdges.size());
+    forAll(meshEdges, edgeI)
+    {
+        myEdges[edgeI] = globalEdges.toGlobal(edgeI);
+    }
+
+    syncTools::syncEdgeList
+    (
+        mesh,
+        meshEdges,
+        myEdges,
+        minEqOp<label>(),
+        labelMax
+    );
+
+
+    PackedBoolList isMasterEdge(meshEdges.size());
+    forAll(meshEdges, edgeI)
+    {
+        if (myEdges[edgeI] == globalEdges.toGlobal(edgeI))
+        {
+            isMasterEdge[edgeI] = true;
+        }
+    }
+
+    return isMasterEdge;
+}
+
+
 void Foam::meshRefinement::printMeshInfo(const bool debug, const string& msg)
- const
+const
 {
     const globalMeshData& pData = mesh_.globalData();
 
@@ -2664,11 +2736,11 @@ void Foam::meshRefinement::printMeshInfo(const bool debug, const string& msg)
             }
         }
 
-        PackedBoolList isMasterPoint(syncTools::getMasterPoints(mesh_));
+        PackedBoolList isMeshMasterPoint(syncTools::getMasterPoints(mesh_));
         label nMasterPoints = 0;
-        forAll(isMasterPoint, i)
+        forAll(isMeshMasterPoint, i)
         {
-            if (isMasterPoint[i])
+            if (isMeshMasterPoint[i])
             {
                 nMasterPoints++;
             }
diff --git a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H
index 770b50254a..1b1ff73b2d 100644
--- a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H
+++ b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H
@@ -733,7 +733,6 @@ public:
             (
                 const polyMesh& mesh,
                 const PackedBoolList& isMasterEdge,
-                const labelList& meshEdges,
                 const labelList& meshPoints,
                 const edgeList& edges,
                 scalarField& edgeWeights,
@@ -747,7 +746,6 @@ public:
             (
                 const polyMesh& mesh,
                 const PackedBoolList& isMasterEdge,
-                const labelList& meshEdges,
                 const labelList& meshPoints,
                 const edgeList& edges,
                 const scalarField& edgeWeights,
@@ -1069,6 +1067,22 @@ public:
                 const UList<T>& data
             );
 
+            //- Determine master point for subset of points. If coupled
+            //  chooses only one
+            static PackedBoolList getMasterPoints
+            (
+                const polyMesh& mesh,
+                const labelList& meshPoints
+            );
+
+            //- Determine master edge for subset of edges. If coupled
+            //  chooses only one
+            static PackedBoolList getMasterEdges
+            (
+                const polyMesh& mesh,
+                const labelList& meshEdges
+            );
+
             //- Print some mesh stats.
             void printMeshInfo(const bool, const string&) const;
 
@@ -1100,22 +1114,10 @@ public:
             template<class T>
             static T gAverage
             (
-                const polyMesh& mesh,
                 const PackedBoolList& isMasterElem,
                 const UList<T>& values
             );
 
-            //- Helper: calculate average over selected elements
-            template<class T>
-            static T gAverage
-            (
-                const polyMesh& mesh,
-                const PackedBoolList& isMasterElem,
-                const labelList& meshPoints,
-                const UList<T>& values
-            );
-
-
             //- Get/set write level
             static writeType writeLevel();
             static void writeLevel(const writeType);
diff --git a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementTemplates.C b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementTemplates.C
index 528e812197..2cbc1f697c 100644
--- a/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementTemplates.C
+++ b/src/mesh/autoMesh/autoHexMesh/meshRefinement/meshRefinementTemplates.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2014 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -57,7 +57,6 @@ template<class T> void Foam::meshRefinement::updateList
 template<class T>
 T Foam::meshRefinement::gAverage
 (
-    const polyMesh& mesh,
     const PackedBoolList& isMasterElem,
     const UList<T>& values
 )
@@ -68,7 +67,6 @@ T Foam::meshRefinement::gAverage
         (
             "meshRefinement::gAverage\n"
             "(\n"
-            "    const polyMesh&,\n"
             "    const PackedBoolList& isMasterElem,\n"
             "    const UList<T>& values\n"
             ")\n"
@@ -104,58 +102,6 @@ T Foam::meshRefinement::gAverage
 }
 
 
-template<class T>
-T Foam::meshRefinement::gAverage
-(
-    const polyMesh& mesh,
-    const PackedBoolList& isMasterElem,
-    const labelList& meshElems,
-    const UList<T>& values
-)
-{
-    if (values.size() != meshElems.size())
-    {
-        FatalErrorIn
-        (
-            "meshRefinement::gAverage\n"
-            "(\n"
-            "    const polyMesh&,\n"
-            "    const labelList&,\n"
-            "    const PackedBoolList& isMasterElem,\n"
-            "    const UList<T>& values\n"
-            ")\n"
-        )   << "Number of elements in list " << values.size()
-            << " does not correspond to number of elements in meshElems "
-            << meshElems.size()
-            << exit(FatalError);
-    }
-
-    T sum = pTraits<T>::zero;
-    label n = 0;
-
-    forAll(values, i)
-    {
-        if (isMasterElem[meshElems[i]])
-        {
-            sum += values[i];
-            n++;
-        }
-    }
-
-    reduce(sum, sumOp<T>());
-    reduce(n, sumOp<label>());
-
-    if (n > 0)
-    {
-        return sum/n;
-    }
-    else
-    {
-        return pTraits<T>::max;
-    }
-}
-
-
 // Compare two lists over all boundary faces
 template<class T>
 void Foam::meshRefinement::testSyncBoundaryFaceList
@@ -343,7 +289,6 @@ void Foam::meshRefinement::weightedSum
 (
     const polyMesh& mesh,
     const PackedBoolList& isMasterEdge,
-    const labelList& meshEdges,
     const labelList& meshPoints,
     const edgeList& edges,
     const scalarField& edgeWeights,
@@ -353,15 +298,13 @@ void Foam::meshRefinement::weightedSum
 {
     if
     (
-        mesh.nEdges() != isMasterEdge.size()
-     || edges.size() != meshEdges.size()
+        edges.size() != isMasterEdge.size()
      || edges.size() != edgeWeights.size()
      || meshPoints.size() != pointData.size()
     )
     {
         FatalErrorIn("medialAxisMeshMover::weightedSum(..)")
             << "Inconsistent sizes for edge or point data:"
-            << " meshEdges:" << meshEdges.size()
             << " isMasterEdge:" << isMasterEdge.size()
             << " edgeWeights:" << edgeWeights.size()
             << " edges:" << edges.size()
@@ -375,7 +318,7 @@ void Foam::meshRefinement::weightedSum
 
     forAll(edges, edgeI)
     {
-        if (isMasterEdge.get(meshEdges[edgeI]) == 1)
+        if (isMasterEdge[edgeI])
         {
             const edge& e = edges[edgeI];