Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2020:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Arne Naegel
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #ifndef __UG__LIB_DISC__SPATIAL_DISC__RASTER_USER_DATA_H__
      34              : #define __UG__LIB_DISC__SPATIAL_DISC__RASTER_USER_DATA_H__
      35              : 
      36              : #include "common/common.h"
      37              : #include "common/util/raster.h"
      38              : #include "common/math/ugmath_types.h"
      39              : #include "lib_disc/spatial_disc/user_data/user_data.h"
      40              : #include "lib_disc/spatial_disc/user_data/std_glob_pos_data.h"
      41              : 
      42              : namespace ug{
      43              : 
      44              : ///! 
      45              : template <int dim>
      46              : class RasterUserData : public StdGlobPosData<RasterUserData<dim>, number, dim, void>
      47              : {
      48              : 
      49              : public:
      50              :         typedef number TData;
      51              :         typedef CplUserData<TData, dim> base_type;
      52              : 
      53              :         typedef Raster<number, 2> TRaster;
      54              :         // typedef Raster<number, 1> TRaster1;
      55              :         // typedef Raster<number, 2> TRaster2;
      56              :         // typedef Raster<number, 3> TRaster3;
      57              :         //typedef StdGlobPosData<RasterUserData<dim>, number, dim, void> base_type;
      58              : 
      59              :         typedef SmartPtr<TRaster> input_type;
      60              : 
      61              : 
      62              : private:
      63              : 
      64              :         SmartPtr<TRaster>  m_spRaster;
      65              :         int m_interpOrder;
      66              :         number m_rescale;
      67              : 
      68              : 
      69              : 
      70              : public:
      71              : 
      72            0 :         RasterUserData(SmartPtr<TRaster> myRaster)
      73            0 :         : m_spRaster(myRaster), m_interpOrder(1), m_rescale(1.0)
      74            0 :         {}
      75              : 
      76            0 :         virtual ~RasterUserData()
      77            0 :         {}
      78              : 
      79              : 
      80              :         inline void evaluate(number& y, const MathVector<dim>& x, number t, int si) const
      81              :         {
      82              :                 typename TRaster::Coordinate xcoord;
      83            0 :                 xcoord[0] = x[0];
      84            0 :                 if (dim>1) { xcoord[1] = x[1];}
      85            0 :                 y = m_spRaster->interpolate(xcoord, m_interpOrder)*m_rescale;
      86              :                 return;
      87              :         }
      88              : 
      89            0 :         void set_order(int order) {m_interpOrder = order;}
      90            0 :         void set_scale(number alpha) {m_rescale = alpha;}
      91              : 
      92            0 :         virtual bool requires_grid_fct() const {return false;}
      93            0 :         virtual bool constant() const {return false;}
      94            0 :         virtual bool continuous() const {return false;}
      95              : 
      96              : };
      97              : 
      98              : 
      99              : 
     100              : 
     101              : 
     102              : }//     end of namespace ug
     103              : 
     104              : 
     105              : 
     106              : #endif  // __UG__LIB_DISC__SPATIAL_DISC__RASTER_USER_DATA_H__