GeometricFieldListSlicer.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
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::GeometricFieldListSlicer
 
Description
    Class to provide list slices to different parts of a geometric field
 
See also
    Foam::FieldListSlice
 
\*---------------------------------------------------------------------------*/
 
#ifndef GeometricFieldListSlicer_H
#define GeometricFieldListSlicer_H
 
#include "GeometricField.H"
#include "FieldListSlice.H"
#include "volFieldsFwd.H"
#include "surfaceFieldsFwd.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
/*---------------------------------------------------------------------------*\
                  Class GeometricFieldListSlicer Declaration
\*---------------------------------------------------------------------------*/
 
template<class Type, template<class> class PatchField, class GeoMesh>
class GeometricFieldListSlicer
{
    // Private Typedefs
 
        // Type of the geometric field
        typedef GeometricField<Type, PatchField, GeoMesh> geoFieldType;
 
 
    // Private Data
 
        //- Pointers to the internal fields
        UPtrList<const Field<Type>> fields_;
 
        //- Pointers to the patch fields. Indexed by patch, then by field.
        List<UPtrList<const Field<Type>>> patchFields_;
 
 
public:
 
    // Constructors
 
        //- Construct null. Set later.
        inline GeometricFieldListSlicer()
        {}
 
        //- Construct from a mesh and a list of fields
        inline GeometricFieldListSlicer
        (
            const typename geoFieldType::Mesh& mesh,
            const UPtrList<const geoFieldType>& geoFields
        )
        {
            set(mesh, geoFields);
        }
 
        //- Construct from a mesh and a list of fields
        inline GeometricFieldListSlicer
        (
            const typename geoFieldType::Mesh& mesh,
            const UPtrList<geoFieldType>& geoFields
        )
        :
            GeometricFieldListSlicer
            (
                mesh,
                reinterpret_cast<const UPtrList<const geoFieldType>&>(geoFields)
            )
        {}
 
 
    // Member Functions
 
        //- Set the field pointers
        inline void set
        (
            const typename geoFieldType::Mesh& mesh,
            const UPtrList<const geoFieldType>& geoFields
        )
        {
            fields_.resize(geoFields.size());
 
            patchFields_.resize(mesh.boundary().size(), fields_);
 
            forAll(geoFields, fieldi)
            {
                fields_.set
                (
                    fieldi,
                    &geoFields[fieldi].primitiveField()
                );
 
                forAll(geoFields[fieldi].boundaryField(), patchi)
                {
                    patchFields_[patchi].set
                    (
                        fieldi,
                        &geoFields[fieldi].boundaryField()[patchi]
                    );
                }
            }
        }
 
        //- Return a slice for an internal element
        inline FieldListSlice<Type> slice(const label elementi) const
        {
            return FieldListSlice<Type>(fields_, elementi);
        }
 
        //- Return a slice for a patch element
        inline FieldListSlice<Type> patchSlice
        (
            const label patchi,
            const label patchElementi
        ) const
        {
            return FieldListSlice<Type>(patchFields_[patchi], patchElementi);
        }
};
 
 
//- Define volScalarFieldListSlicer, volVectorFieldListSlicer, etc...
#define typedefVolTypeFieldListSlicer(Type, nullArg)                           \
    typedef GeometricFieldListSlicer<Type, fvPatchField, volMesh>              \
        CAT3(vol, CAPITALIZE(Type), FieldListSlicer);
FOR_ALL_FIELD_TYPES(typedefVolTypeFieldListSlicer);
#undef typedefVolTypeFieldListSlicer
 
 
//- Define surfaceScalarFieldListSlicer, surfaceVectorFieldListSlicer, etc...
#define typedefSurfaceTypeFieldListSlicer(Type, nullArg)                       \
    typedef GeometricFieldListSlicer<Type, fvPatchField, surfaceMesh>          \
        CAT3(surface, CAPITALIZE(Type), FieldListSlicer);
FOR_ALL_FIELD_TYPES(typedefSurfaceTypeFieldListSlicer);
#undef typedefSurfaceTypeFieldListSlicer
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //