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00043 #ifndef EQPOTGRAPH_HPP
00044 #define EQPOTGRAPH_HPP 1
00045
00046
00047 #include <vector>
00048 #include "geometry.hpp"
00049 #include "scalarfield.hpp"
00050 #include "graph3d.hpp"
00051 #include "color.hpp"
00052
00053
00058 class EqPotGraph : public Graph3D {
00059
00060 struct Line {
00061 double x[4];
00062
00063 Line( double _x1, double _y1, double _x2, double _y2 ) {
00064 x[0] = _x1;
00065 x[1] = _y1;
00066 x[2] = _x2;
00067 x[3] = _y2;
00068 }
00069
00070 double &operator[]( int i ) { return( x[i] ); }
00071 const double &operator[]( int i ) const { return( x[i] ); }
00072 };
00073
00074 struct EqPotLines {
00075 double pot;
00076 std::vector<Line> x;
00077
00078 EqPotLines( double pot ) : pot(pot) {}
00079 };
00080
00081 Color _color;
00082 const ScalarField _epot;
00083 const Geometry &_g;
00084 bool _data_built;
00085
00086 std::vector<double> _eqlines_manual;
00087 size_t _eqlines_auto;
00088 std::vector<EqPotLines *> _lines;
00089
00090 view_e _oview;
00091 double _olevel;
00092
00093 bool _cache;
00094
00095
00096 bool eqline_exists( double pot1, signed char sol1,
00097 double pot2, signed char sol2,
00098 double pot ) const;
00099 void build_data( void );
00100
00101 public:
00102
00108 EqPotGraph( const ScalarField &epot, const Geometry &g );
00109
00112 virtual ~EqPotGraph();
00113
00118 void disable_cache( void );
00119
00123 void set_eqlines_manual( const std::vector<double> &pot );
00124
00128 void set_eqlines_auto( size_t N );
00129
00139 virtual void plot( cairo_t *cairo, const Coordmapper *cm, const double range[4] );
00140
00145 virtual void plot_sample( cairo_t *cairo, double x, double y, double width, double height );
00146
00152 virtual void get_bbox( double bbox[4] );
00153 };
00154
00155
00156 #endif