ENH: Refectored mesh-to-mesh interpolation methods - now run-time selectable

src/sampling/meshToMeshInterpolation/meshToMeshNew/calcMethod/direct/directMethod.H

@@ -0,0 +1,136 @@
+/*---------------------------------------------------------------------------*\
+  =========                 |
+  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+   \\    /   O peration     |
+    \\  /    A nd           | Copyright (C) 2013 OpenFOAM Foundation
+     \\/     M anipulation  |
+-------------------------------------------------------------------------------
+License
+    This file is part of OpenFOAM.
+
+    OpenFOAM is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+    for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
+
+Class
+    Foam::directMethod
+
+Description
+    Direct (one-to-one cell correspondence) mesh-to-mesh interpolation class
+
+    Volume conservative.
+
+SourceFiles
+    directMethod.C
+
+\*---------------------------------------------------------------------------*/
+
+#ifndef directMethod_H
+#define directMethod_H
+
+#include "meshToMeshMethod.H"
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+namespace Foam
+{
+
+/*---------------------------------------------------------------------------*\
+                        Class directMethod Declaration
+\*---------------------------------------------------------------------------*/
+
+class directMethod
+:
+    public meshToMeshMethod
+{
+protected:
+
+    // Protected Member Functions
+
+        //- Find indices of overlapping cells in src and tgt meshes - returns
+        //  true if found a matching pair
+        bool findInitialSeeds
+        (
+            const labelList& srcCellIDs,
+            const boolList& mapFlag,
+            const label startSeedI,
+            label& srcSeedI,
+            label& tgtSeedI
+        ) const;
+
+        //- Calculate the mesh-to-mesh addressing and weights
+        void calculateAddressing
+        (
+            labelListList& srcToTgtCellAddr,
+            scalarListList& srcToTgtCellWght,
+            labelListList& tgtToSrcCellAddr,
+            scalarListList& tgtToSrcCellWght,
+            const label srcSeedI,
+            const label tgtSeedI,
+            const labelList& srcCellIDs,
+            boolList& mapFlag,
+            label& startSeedI
+        );
+
+        //- Append to list of src mesh seed indices
+        void appendToDirectSeeds
+        (
+            boolList& mapFlag,
+            labelList& srcTgtSeed,
+            DynamicList<label>& srcSeeds,
+            label& srcSeedI,
+            label& tgtSeedI
+        ) const;
+
+        //- Disallow default bitwise copy construct
+        directMethod(const directMethod&);
+
+        //- Disallow default bitwise assignment
+        void operator=(const directMethod&);
+
+
+public:
+
+    //- Run-time type information
+    TypeName("direct");
+
+    //- Construct from source and target meshes
+    directMethod(const polyMesh& src, const polyMesh& tgt);
+
+    //- Destructor
+    virtual ~directMethod();
+
+
+    // Member Functions
+
+        // Evaluate
+
+            //- Calculate addressing and weights
+            virtual void calculate
+            (
+                labelListList& srcToTgtAddr,
+                scalarListList& srcToTgtWght,
+                labelListList& tgtToTgtAddr,
+                scalarListList& tgtToTgtWght
+            );
+};
+
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+} // End namespace Foam
+
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+#endif
+
+// ************************************************************************* //