vectorfield.hpp

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00001 
00005 /* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
00006  *
00007  * You can redistribute this software and/or modify it under the terms
00008  * of the GNU General Public License as published by the Free Software
00009  * Foundation; either version 2 of the License, or (at your option)
00010  * any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00015  * General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with this library (file "COPYING" included in the package);
00019  * if not, write to the Free Software Foundation, Inc., 51 Franklin
00020  * Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  * 
00022  * If you have questions about your rights to use or distribute this
00023  * software, please contact Berkeley Lab's Technology Transfer
00024  * Department at TTD@lbl.gov. Other questions, comments and bug
00025  * reports should be sent directly to the author via email at
00026  * taneli.kalvas@jyu.fi.
00027  * 
00028  * NOTICE. This software was developed under partial funding from the
00029  * U.S.  Department of Energy.  As such, the U.S. Government has been
00030  * granted for itself and others acting on its behalf a paid-up,
00031  * nonexclusive, irrevocable, worldwide license in the Software to
00032  * reproduce, prepare derivative works, and perform publicly and
00033  * display publicly.  Beginning five (5) years after the date
00034  * permission to assert copyright is obtained from the U.S. Department
00035  * of Energy, and subject to any subsequent five (5) year renewals,
00036  * the U.S. Government is granted for itself and others acting on its
00037  * behalf a paid-up, nonexclusive, irrevocable, worldwide license in
00038  * the Software to reproduce, prepare derivative works, distribute
00039  * copies to the public, perform publicly and display publicly, and to
00040  * permit others to do so.
00041  */
00042 
00043 #ifndef VECTORFIELD_HPP
00044 #define VECTORFIELD_HPP 1
00045 
00046 
00047 #include "geometry.hpp"
00048 #include "vec3d.hpp"
00049 #include "types.hpp"
00050 
00051 
00070 class VectorField {
00071     geom_mode_e _geom_mode; 
00072     Int3D       _size;      
00073     Vec3D       _origo;     
00074     Vec3D       _max;       
00075     double      _h;         
00076     double      _div_h;     
00077     double     *_F[3];      
00082     field_extrpl_e   _extrpl[6];   
00084     bool parse_line( const std::string &str, double c[6], double xscale, double fscale, 
00085                      size_t cdim, size_t fdim, const std::string &filename, size_t linec );
00086 
00087     void transform( int ind[3] );
00088 
00089 public:
00090 
00091 
00094     VectorField();
00095 
00102     VectorField( const Geometry &g, bool fout[3] );
00103 
00114     VectorField( geom_mode_e geom_mode, bool fout[3], Int3D size, 
00115                  Vec3D origo, double h );
00116 
00142     VectorField( geom_mode_e geom_mode, bool fout[3], double xscale, 
00143                  double fscale, const std::string &filename );
00144 
00147     VectorField( const VectorField &f );
00148 
00151     ~VectorField();
00152 
00155     inline geom_mode_e geom_mode( void ) const { return( _geom_mode ); }
00156 
00159     inline Int3D size( void ) const { return( _size ); }
00160 
00163     inline int32_t size( int i ) const { return( _size[i] ); }
00164    
00167     inline int32_t nodecount( void ) const { return( _size[0]*_size[1]*_size[2] ); }
00168 
00171     inline Vec3D origo( void ) const { return( _origo ); }
00172 
00175     inline double origo( int i ) const { return( _origo[i] ); }
00176 
00179     inline double h( void ) const { return( _h ); }
00180 
00183     inline double div_h( void ) const { return( _div_h ); }
00184 
00203     void set_extrapolation( field_extrpl_e extrpl[6] ) {
00204         memcpy( _extrpl, extrpl, 6*sizeof(field_extrpl_e) );
00205     }
00206 
00209     void translate( Vec3D x );
00210 
00213     void scale( double s );
00214 
00217     void rotate_x( int a );
00218 
00221     void rotate_y( int a );
00222 
00225     void rotate_z( int a );
00226 
00229     void clear();
00230 
00236     void reset( geom_mode_e geom_mode, bool fout[3], Int3D size, 
00237                 Vec3D origo, double h );
00238 
00242     void get_minmax( double &min, double &max ) const;
00243 
00246     void get_defined_components( bool fout[3] ) const;
00247 
00250     VectorField &operator=( const VectorField &f );
00251 
00254     VectorField &operator+=( const VectorField &f );
00255 
00258     VectorField &operator*=( double x );
00259 
00262     VectorField &operator/=( double x );
00263 
00266     const Vec3D operator()( int32_t i ) const;
00267 
00270     const Vec3D operator()( int32_t i, int32_t j ) const;
00271 
00274     const Vec3D operator()( int32_t i, int32_t j, int32_t k ) const;
00275 
00278     void set( int32_t i, const Vec3D &v );
00279     
00282     void set( int32_t i, int32_t j, const Vec3D &v );
00283 
00286     void set( int32_t i, int32_t j, int32_t k, const Vec3D &v );
00287 
00291     Vec3D operator()( Vec3D x ) const;
00292 
00295     void debug_print( void ) const;
00296 };
00297 
00298 
00299 #endif
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