ENH: add ZoneMesh::inZone method that returns a PackedBoolList

- useful for generating combined zones. Eg,

      cellZone combined
      (
          "combinedZone",
          czm.inZone(key).used(),
          ZoneI,
          *this
      );

src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.C

@@ -302,6 +302,24 @@ Foam::label Foam::ZoneMesh<ZoneType, MeshType>::findIndex
 }
 
 
+template<class ZoneType, class MeshType>
+Foam::PackedBoolList Foam::ZoneMesh<ZoneType, MeshType>::inZone
+(
+    const keyType& key
+) const
+{
+    PackedBoolList lst;
+
+    const labelList indices = this->findIndices(key);
+    forAll(indices, i)
+    {
+        lst |= static_cast<const labelList&>(this->operator[](indices[i]));
+    }
+
+    return lst;
+}
+
+
 template<class ZoneType, class MeshType>
 Foam::label Foam::ZoneMesh<ZoneType, MeshType>::findZoneID
 (

src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.H

@@ -25,7 +25,7 @@ Class
     Foam::ZoneMesh
 
 Description
-    List of mesh zones
+    A list of mesh zones.
 
 SourceFiles
     ZoneMesh.C
@@ -37,8 +37,9 @@ SourceFiles
 
 #include "List.H"
 #include "regIOobject.H"
-#include "HashSet.H"
 #include "pointFieldsFwd.H"
+#include "Map.H"
+#include "PackedBoolList.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -140,6 +141,9 @@ public:
         //- Return zone index for the first match, return -1 if not found
         label findIndex(const keyType&) const;
 
+        //- Mark all elements that are in the matching zones
+        PackedBoolList inZone(const keyType&) const;
+
         //- Clear addressing
         void clearAddressing();
 

src/OpenFOAM/meshes/polyMesh/zones/cellZone/cellZone.C

@@ -47,7 +47,7 @@ const char * const Foam::cellZone::labelsName = "cellLabels";
 Foam::cellZone::cellZone
 (
     const word& name,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index,
     const cellZoneMesh& zm
 )
@@ -86,7 +86,7 @@ Foam::cellZone::cellZone
 Foam::cellZone::cellZone
 (
     const cellZone& cz,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index,
     const cellZoneMesh& zm
 )
@@ -154,7 +154,14 @@ void Foam::cellZone::operator=(const cellZone& zn)
 }
 
 
-void Foam::cellZone::operator=(const labelList& addr)
+void Foam::cellZone::operator=(const unallocLabelList& addr)
+{
+    clearAddressing();
+    labelList::operator=(addr);
+}
+
+
+void Foam::cellZone::operator=(const Xfer<labelList>& addr)
 {
     clearAddressing();
     labelList::operator=(addr);

src/OpenFOAM/meshes/polyMesh/zones/cellZone/cellZone.H

@@ -113,7 +113,7 @@ public:
         cellZone
         (
             const word& name,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index,
             const cellZoneMesh&
         );
@@ -141,7 +141,7 @@ public:
         cellZone
         (
             const cellZone&,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index,
             const cellZoneMesh&
         );
@@ -169,7 +169,7 @@ public:
         //  and zone mesh
         virtual autoPtr<cellZone> clone
         (
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index,
             const cellZoneMesh& zm
         ) const
@@ -215,11 +215,14 @@ public:
 
     // Member Operators
 
-        //- Assign to zone clearing demand-driven data
+        //- Assign to zone, clearing demand-driven data
         void operator=(const cellZone&);
 
-        //- Assign addressing clearing demand-driven data
+        //- Assign addressing, clearing demand-driven data
-        void operator=(const labelList&);
+        void operator=(const unallocLabelList&);
+
+        //- Assign addressing, clearing demand-driven data
+        void operator=(const Xfer<labelList>&);
 
 
     // I-O

src/OpenFOAM/meshes/polyMesh/zones/faceZone/faceZone.C

@@ -180,7 +180,7 @@ void Foam::faceZone::checkAddressing() const
 Foam::faceZone::faceZone
 (
     const word& name,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const boolList& fm,
     const label index,
     const faceZoneMesh& zm
@@ -242,7 +242,7 @@ Foam::faceZone::faceZone
 Foam::faceZone::faceZone
 (
     const faceZone& fz,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const boolList& fm,
     const label index,
     const faceZoneMesh& zm
@@ -392,7 +392,7 @@ void Foam::faceZone::clearAddressing()
 
 void Foam::faceZone::resetAddressing
 (
-    const labelList& addr,
+    const unallocLabelList& addr,
     const boolList& flipMap
 )
 {
@@ -414,7 +414,7 @@ void Foam::faceZone::updateMesh(const mapPolyMesh& mpm)
 
     forAll(*this, i)
     {
-        label faceI = operator[](i);
+        const label faceI = operator[](i);
 
         if (faceMap[faceI] >= 0)
         {
@@ -454,7 +454,7 @@ bool Foam::faceZone::checkParallelSync(const bool report) const
         boolList neiZoneFlip(mesh.nFaces()-mesh.nInternalFaces(), false);
         forAll(*this, i)
         {
-            label faceI = operator[](i);
+            const label faceI = operator[](i);
 
             if (!mesh.isInternalFace(faceI))
             {
@@ -469,13 +469,12 @@ bool Foam::faceZone::checkParallelSync(const bool report) const
 
         forAll(*this, i)
         {
-            label faceI = operator[](i);
+            const label faceI = operator[](i);
-
+            const label patchI = bm.whichPatch(faceI);
-            label patchI = bm.whichPatch(faceI);
 
             if (patchI != -1 && bm[patchI].coupled())
             {
-                label bFaceI = faceI-mesh.nInternalFaces();
+                const label bFaceI = faceI-mesh.nInternalFaces();
 
                 // Check face in zone on both sides
                 if (myZoneFace[bFaceI] != neiZoneFace[bFaceI])

src/OpenFOAM/meshes/polyMesh/zones/faceZone/faceZone.H

@@ -154,7 +154,7 @@ public:
         faceZone
         (
             const word& name,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const boolList& fm,
             const label index,
             const faceZoneMesh& zm
@@ -184,7 +184,7 @@ public:
         faceZone
         (
             const faceZone&,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const boolList& fm,
             const label index,
             const faceZoneMesh&
@@ -214,7 +214,7 @@ public:
         //  and zone mesh
         virtual autoPtr<faceZone> clone
         (
-            const labelList& addr,
+            const unallocLabelList& addr,
             const boolList& fm,
             const label index,
             const faceZoneMesh& zm
@@ -279,7 +279,7 @@ public:
         virtual void clearAddressing();
 
         //- Reset addressing and flip map (clearing demand-driven data)
-        virtual void resetAddressing(const labelList&, const boolList&);
+        virtual void resetAddressing(const unallocLabelList&, const boolList&);
 
         //- Check zone definition. Return true if in error.
         virtual bool checkDefinition(const bool report = false) const;

src/OpenFOAM/meshes/polyMesh/zones/pointZone/pointZone.C

@@ -46,7 +46,7 @@ const char* const Foam::pointZone::labelsName = "pointLabels";
 Foam::pointZone::pointZone
 (
     const word& name,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index,
     const pointZoneMesh& zm
 )
@@ -85,7 +85,7 @@ Foam::pointZone::pointZone
 Foam::pointZone::pointZone
 (
     const pointZone& pz,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index,
     const pointZoneMesh& zm
 )
@@ -154,7 +154,14 @@ void Foam::pointZone::operator=(const pointZone& zn)
 }
 
 
-void Foam::pointZone::operator=(const labelList& addr)
+void Foam::pointZone::operator=(const unallocLabelList& addr)
+{
+    clearAddressing();
+    labelList::operator=(addr);
+}
+
+
+void Foam::pointZone::operator=(const Xfer<labelList>& addr)
 {
     clearAddressing();
     labelList::operator=(addr);

src/OpenFOAM/meshes/polyMesh/zones/pointZone/pointZone.H

@@ -112,7 +112,7 @@ public:
         pointZone
         (
             const word& name,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index,
             const pointZoneMesh&
         );
@@ -140,7 +140,7 @@ public:
         pointZone
         (
             const pointZone&,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index,
             const pointZoneMesh&
         );
@@ -170,7 +170,7 @@ public:
         (
             const pointZoneMesh& zm,
             const label index,
-            const labelList& addr
+            const unallocLabelList& addr
         ) const
         {
             return autoPtr<pointZone>
@@ -218,11 +218,14 @@ public:
 
     // Member Operators
 
-        //- Assign to zone clearing demand-driven data
+        //- Assign to zone, clearing demand-driven data
         void operator=(const pointZone&);
 
-        //- Assign addressing clearing demand-driven data
+        //- Assign addressing, clearing demand-driven data
-        void operator=(const labelList&);
+        void operator=(const unallocLabelList&);
+
+        //- Assign addressing, clearing demand-driven data
+        void operator=(const Xfer<labelList>&);
 
 
     // I-O

src/OpenFOAM/meshes/polyMesh/zones/zone/zone.C

@@ -85,7 +85,7 @@ void Foam::zone::calcLookupMap() const
 Foam::zone::zone
 (
     const word& name,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index
 )
 :
@@ -128,7 +128,7 @@ Foam::zone::zone
 Foam::zone::zone
 (
     const zone& z,
-    const labelList& addr,
+    const unallocLabelList& addr,
     const label index
 )
 :

src/OpenFOAM/meshes/polyMesh/zones/zone/zone.H

@@ -101,7 +101,7 @@ public:
         zone
         (
             const word& name,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index
         );
 
@@ -127,7 +127,7 @@ public:
         zone
         (
             const zone&,
-            const labelList& addr,
+            const unallocLabelList& addr,
             const label index
         );