indirectCS.H

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/*---------------------------------------------------------------------------*\
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-------------------------------------------------------------------------------
    Copyright (C) 2018-2024 OpenCFD Ltd.
-------------------------------------------------------------------------------
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.
 
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    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::coordSystem::indirect
 
Description
    A coordinate system forward to a global coordinate system that is
    normally provided by the constant/coordinateSystems file.
 
    \heading Dictionary entries
    \table
        Property    | Description                           | Required | Default
        type        | Type name: indirect                   | yes   |
        name        | Name of the referenced system         | yes   |
    \endtable
 
SourceFiles
    indirectCS.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_indirectCS_H
#define Foam_indirectCS_H
 
#include "coordinateSystem.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace coordSystem
{
 
/*---------------------------------------------------------------------------*\
                    Class coordSystem::indirect Declaration
\*---------------------------------------------------------------------------*/
 
class indirect
:
    public coordinateSystem
{
    // Private Data
 
        //- The real coordinate system
        const coordinateSystem* backend_;
 
 
protected:
 
    // Protected Member Functions
 
        //- Convert from local coordinate system to the global Cartesian system
        //- with optional translation for the origin
        virtual vector localToGlobal
        (
            const vector& local,
            bool translate
        ) const
        {
            return backend_->localToGlobal(local, translate);
        }
 
        //- Convert from local coordinate system to the global Cartesian system
        //- with optional translation for the origin
        virtual tmp<vectorField> localToGlobal
        (
            const vectorField& local,
            bool translate
        ) const
        {
            return backend_->localToGlobal(local, translate);
        }
 
        //- Convert from global Cartesian system to the local coordinate system
        //- with optional translation for the origin
        virtual vector globalToLocal
        (
            const vector& global,
            bool translate
        ) const
        {
            return backend_->globalToLocal(global, translate);
        }
 
        //- Convert from global Cartesian system to the local coordinate system
        //- with optional translation for the origin
        virtual tmp<vectorField> globalToLocal
        (
            const vectorField& global,
            bool translate
        ) const
        {
            return backend_->globalToLocal(global, translate);
        }
 
 
public:
 
    //- Runtime type information
    TypeName("indirect");
 
 
    // Constructors
 
        //- Default construct is disallowed
        indirect() = delete;
 
        //- Copy construct
        indirect(const indirect& csys);
 
        //- Move construct
        indirect(indirect&& csys);
 
        //- Construct from global lookup
        indirect(const objectRegistry& obr, const word& name);
 
        //- Construct from global lookup.
        //  The readOrigin is unused.
        indirect
        (
            const objectRegistry& obr,
            const dictionary& dict,
            IOobjectOption::readOption readOrigin = IOobjectOption::NO_READ
        );
 
        //- Return clone
        virtual autoPtr<coordinateSystem> clone() const
        {
            return coordinateSystem::Clone(*this);
        }
 
 
    //- Destructor
    virtual ~indirect() = default;
 
 
    // Member Functions
 
    // Characteristics
 
        //- Is coordinate system good/valid?
        virtual bool good() const { return backend_ && backend_->good(); }
 
        //- True if the rotation tensor is uniform for all positions
        virtual bool uniform() const
        {
            return !backend_ || backend_->uniform();
        }
 
        //- Same as good() - 2023-07
        virtual bool valid() const { return this->good(); }
 
 
    // Access
 
        //- Reference to the underlying coordinate system
        virtual const coordinateSystem& cs() const
        {
            return *backend_;
        }
 
        //- Return origin
        virtual const point& origin() const
        {
            return backend_->origin();
        }
 
        //- The rotation specification
        virtual const coordinateRotation& rotation() const
        {
            return backend_->rotation();
        }
 
        //- Return the name
        virtual const word& name() const
        {
            return backend_->name_;
        }
 
        //- Return the optional note
        virtual const string& note() const
        {
            return backend_->note();
        }
 
        //- Return const reference to the rotation tensor
        virtual const tensor& R() const
        {
            return backend_->R();
        }
 
        //- The local Cartesian x-axis in global coordinates
        virtual const vector e1() const
        {
            return backend_->e1();
        }
 
        //- The local Cartesian y-axis in global coordinates
        virtual const vector e2() const
        {
            return backend_->e2();
        }
 
        //- The local Cartesian z-axis in global coordinates
        virtual const vector e3() const
        {
            return backend_->e3();
        }
 
 
    // Edit
 
        //- Rename (ignored)
        void rename(const word& newName) {}
 
        //- Provide non-constant access to the optional note
        string& note()
        {
            NotImplemented;
            return dummy_.note();
        }
 
        //- Edit access to origin (disallowed)
        virtual point& origin()
        {
            NotImplemented;
            return dummy_.origin();
        }
 
        //- Clear (ignored)
        virtual void clear() {}
 
        //- Change the rotation (disallowed)
        virtual void rotation(autoPtr<coordinateRotation>&& crot)
        {
            NotImplemented;
        }
 
 
    // Write
 
        //- Write
        virtual void write(Ostream& os) const;
 
        //- Write 'coordinateSystem' dictionary entry
        virtual void writeEntry(Ostream& os) const;
 
        //- Write dictionary entry
        virtual void writeEntry(const word& keyword, Ostream& os) const;
 
 
    // Member Operators
 
        //- No copy assignment
        void operator=(const coordinateSystem& csys) = delete;
 
        //- No move assignment
        void operator=(coordinateSystem&& csys) = delete;
 
 
    // Rotations
 
        //- Position-dependent rotation tensor at a single point
        virtual tensor R(const point& global) const
        {
            return backend_->R(global);
        }
 
        //- Position-dependent rotation tensors at multiple points
        virtual tmp<tensorField> R(const UList<point>& global) const
        {
            return backend_->R(global);
        }
 
        //- Position-dependent rotation tensors at multiple points
        virtual tmp<tensorField> R(const pointUIndList& global) const
        {
            return backend_->R(global);
        }
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace coordSystem
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //