Fung-Calc

00001 /***************************************************************************
00002                           glcylindricalgraph.h  -  description
00003                              -------------------
00004     begin                : Mon Dec 2 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 GLCYLINDRICALGRAPH_H
00019 #define GLCYLINDRICALGRAPH_H
00020 
00021 #include "glexpressiongraph.h"
00022 
00027 class GLCylindricalGraph : public GLExpressionGraph
00028 {
00029     Q_OBJECT
00030 
00031     public: 
00032         GLCylindricalGraph(QWidget *parent=0, const char *name=0);
00033         ~GLCylindricalGraph();
00034 
00035         virtual void load_key( const char *key, const char *value );
00036 
00037         int setThetaMin(double);
00038         int setThetaMax(double);
00039         int setRadiusMin(double);
00040         int setRadiusMax(double);
00041 
00042         GLfloat getThetaMin() const{return thetaMin;}
00043         GLfloat getThetaMax() const{return thetaMax;}
00044         GLfloat getRadiusMin() const{return radiusMin;}
00045         GLfloat getRadiusMax() const{return radiusMax;}
00046         
00047         virtual inline int getGraphType() const{return GLCYLINDRICALGRAPH;}
00048 
00049     protected:
00050         virtual const char * independent_vars() const{return "r,t";}
00051         virtual const char * dependent_var() const{return "z";}
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())/(radiusMax-radiusMin))+radiusMin;}
00055         inline virtual GLfloat traceDepY(GLfloat y) const{return (y-getYMin())/((getYMax()-getYMin())/(thetaMax-thetaMin))+thetaMin;}
00056 
00057         virtual Cartesian3DCoord2DVector getValues( FungParser &fp, GLfloat *, GLfloat * );
00058 
00059     private:
00060         GLfloat thetaMin,thetaMax,radiusMin,radiusMax;
00061 
00062 };
00063 
00064 #endif