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+/*
+* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
+*
+* This program 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.
+*
+* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef ENGINE_INTERFACE_BASE_H
+#define ENGINE_INTERFACE_BASE_H
+
+#include "tools/global.h"
+
+class Operator_Base;
+
+//! This is the abstact base for all Engine Interface classes.
+/*!
+ This is the abstact base for all Engine Interface classes. It will provide unified access to the field information of the corresponding engine.
+ All processing methods should only access this base class.
+*/
+class Engine_Interface_Base
+{
+public:
+ enum InterpolationType { NO_INTERPOLATION, NODE_INTERPOLATE, CELL_INTERPOLATE };
+
+ virtual ~Engine_Interface_Base() {;} //!< provide a virtual destructor to correctly delete derived objects
+
+ //! Set the operator used for this engine interface.
+ virtual void SetOperator(Operator_Base* base_op) {m_Op_Base=base_op;}
+ //! Get the operator used for this engine interface.
+ virtual const Operator_Base* GetOperator() const {return m_Op_Base;}
+
+ //! Set the current interpolation type \sa GetInterpolationType
+ void SetInterpolationType(InterpolationType type) {m_InterpolType=type;}
+ //! Set the current interpolation type \sa GetInterpolationType
+ void SetInterpolationType(int type) {m_InterpolType=(InterpolationType)type;}
+ //! Get the current interpolation type as string \sa SetInterpolationType GetInterpolationType GetInterpolationNameByType
+ std::string GetInterpolationTypeString() {return GetInterpolationNameByType(m_InterpolType);}
+ //! Get the current interpolation type \sa SetInterpolationType
+ InterpolationType GetInterpolationType() {return m_InterpolType;}
+
+ //! Get the (interpolated) electric field at \p pos. \sa SetInterpolationType
+ virtual double* GetEField(const unsigned int* pos, double* out) const =0;
+ //! Get the (interpolated) magnetic field at \p pos. \sa SetInterpolationType
+ virtual double* GetHField(const unsigned int* pos, double* out) const =0;
+ //! Get the (interpolated) electric current density field at \p pos. \sa SetInterpolationType
+ virtual double* GetJField(const unsigned int* pos, double* out) const =0;
+ //! Get the total current density field by rot(H) at \p pos. \sa SetInterpolationType
+ virtual double* GetRotHField(const unsigned int* pos, double* out) const =0;
+
+ //! Calculate the electric field integral along a given line
+ virtual double CalcVoltageIntegral(const unsigned int* start, const unsigned int* stop) const =0;
+
+ //! Convert the interpolation type into a string.
+ static std::string GetInterpolationNameByType(InterpolationType mode);
+
+ //! Get the current simulation time
+ virtual double GetTime(bool dualTime=false) const =0;
+
+ //! Get the current number of timesteps
+ virtual unsigned int GetNumberOfTimesteps() const =0;
+
+ //! Calc (roughly) the total energy
+ /*!
+ This method only calculates a very rough estimate of the total energy in the simulation domain.
+ The result may even be roughly proportional to the real system energy only.
+ Primary goal is speed, not accuracy.
+ */
+ virtual double CalcFastEnergy() const =0;
+
+protected:
+ Engine_Interface_Base(Operator_Base* base_op);
+
+ Operator_Base* m_Op_Base;
+
+ InterpolationType m_InterpolType;
+};
+
+#endif // ENGINE_INTERFACE_BASE_H