Fung-Calc

00001 /***************************************************************************
00002                           glpolargraph.h  -  description
00003                              -------------------
00004     begin                : Fri Oct 18 2002
00005     copyright            : (C) 2002 by Fungmeista
00006     email                : mizunoami44@users.sourceforge.net
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 
00018 #ifndef GLPOLARGRAPH_H
00019 #define GLPOLARGRAPH_H
00020 
00021 #include "glexpressiongraph.h"
00022 
00027 class GLPolarGraph : public GLExpressionGraph
00028 {
00029     Q_OBJECT
00030 
00031     public:
00032         GLPolarGraph(QWidget *parent=0, const char *name=0);
00033         ~GLPolarGraph();
00034 
00035         virtual void load_key( const char *key, const char *value );
00036 
00037         int setPolarMin(GLfloat);
00038         int setPolarMax(GLfloat);
00039         int setAzimuthalMin(GLfloat);
00040         int setAzimuthalMax(GLfloat);
00041 
00042         GLfloat getPolarMin() const{return tMin;}
00043         GLfloat getPolarMax() const{return tMax;}
00044         GLfloat getAzimuthalMin() const{return aMin;}
00045         GLfloat getAzimuthalMax() const{return aMax;}
00046         
00047         virtual inline int getGraphType() const{return GLPOLARGRAPH;}
00048 
00049     protected:
00050         virtual const char * independent_vars() const{return "a,p";}
00051         virtual const char * dependent_var() const{return "r";}
00052         void trace(GLfloat mouseX, GLfloat mouseY, FungParser &parsed_function, GLfloat *x, GLfloat *y, GLfloat *z);
00053 
00054         inline virtual GLfloat traceDepX(GLfloat x) const{return (x-getXMin())/((getXMax()-getXMin())/(aMax-aMin))+aMin;}
00055         inline virtual GLfloat traceDepY(GLfloat y) const{return (y-getYMin())/((getYMax()-getYMin())/(tMax-tMin))+tMin;}
00056 
00057         virtual Cartesian3DCoord2DVector getValues( FungParser &fp, GLfloat *, GLfloat * );
00058 
00059     private:
00060         GLfloat tMin,tMax,aMin,aMax;
00061 
00062 };
00063 
00064 #endif
00065