ENH: polyMesh: movePoints to optionally clear tetBasePt structure

src/OpenFOAM/meshes/polyMesh/polyMesh.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -1092,7 +1092,8 @@ const Foam::pointField& Foam::polyMesh::oldPoints() const
 
 Foam::tmp<Foam::scalarField> Foam::polyMesh::movePoints
 (
-    const pointField& newPoints
+    const pointField& newPoints,
+    const bool deleteDemandDrivenData
 )
 {
     if (debug)
@@ -1146,6 +1147,14 @@ Foam::tmp<Foam::scalarField> Foam::polyMesh::movePoints
 
     // Force recalculation of all geometric data with new points
 
+    if (deleteDemandDrivenData)
+    {
+        // Remove the stored tet base points
+        tetBasePtIsPtr_.clear();
+        // Remove the cell tree
+        cellTreePtr_.clear();
+    }
+
     bounds_ = boundBox(points_);
     boundary_.movePoints(points_);
 

src/OpenFOAM/meshes/polyMesh/polyMesh.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -442,7 +442,11 @@ public:
             }
 
             //- Move points, returns volumes swept by faces in motion
-            virtual tmp<scalarField> movePoints(const pointField&);
+            virtual tmp<scalarField> movePoints
+            (
+                const pointField&,
+                const bool deleteDemandDrivenData = false
+            );
 
             //- Reset motion
             void resetMotion() const;