** Purpose: Header file for EZplot library
**
** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
+** Copyright (c) 1983-2001 Kevin Rosenberg
**
-** $Id: ezplot.h,v 1.24 2001/01/02 16:02:12 kevin Exp $
+** $Id$
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
double *x;
double *y;
int m_iPointCount;
-
+
EZPlotCurve (const double* x, const double* y, int n);
-
+
~EZPlotCurve();
};
//----------------------------------------------------------------------
-// GLOBAL VARIABLES
+// GLOBAL VARIABLES
//----------------------------------------------------------------------
-// axis definitions
+// axis definitions
enum {
- LINEAR = 1, // linear axis
- LOG, // logrithmic axis
- NOAXIS, // don't plot axis
+ LINEAR = 1, // linear axis
+ LOG, // logrithmic axis
+ NOAXIS, // don't plot axis
};
-// tick definitions
+// tick definitions
enum {
ABOVE = 1,
BELOW,
LEFT,
};
-// line types
+// line types
enum {
- NOLINE = 0,
+ NOLINE = 0,
SOLID,
DASH,
DASH1,
DASH4,
};
-// symbol definitions
+// symbol definitions
enum {
SB_CROSS = 1,
SB_PLUS,
SB_BOX,
SB_CIRCLE,
SB_ERRORBAR,
+ SB_POINT,
MAXSYMBOL,
};
enum {
- INSIDE = 1, // values of o_legendbox
+ INSIDE = 1, // values of o_legendbox
OUTSIDE,
NOLEGEND,
};
};
/*-----------------------------------------------------------------------------
-* GLOBAL VARIABLES
+* GLOBAL VARIABLES
*
* Naming Convention:
-* i_ Internal variable
-* Not user changable
-* o_ Option variable
-* Normal variable that is user modifiable
-* These variables must always have a valid value
-* d_ Device variable
-* Variables controlling devices
+* i_ Internal variable
+* Not user changable
+* o_ Option variable
+* Normal variable that is user modifiable
+* These variables must always have a valid value
+* d_ Device variable
+* Variables controlling devices
* clr_ Color variable
-* Holds a color value
-* c_ Character string variable
-* Contains a character string
-* v_ Value variable
-* User modifiable variable associated with the set variable (s_)
-* These variables do not always have a valid value
-* These variables change assumption EZPLOT makes about the plot
-* s_ Set variable.
-* TRUE if associated value variable (v_) has been set by the user
+* Holds a color value
+* c_ Character string variable
+* Contains a character string
+* v_ Value variable
+* User modifiable variable associated with the set variable (s_)
+* These variables do not always have a valid value
+* These variables change assumption EZPLOT makes about the plot
+* s_ Set variable.
+* TRUE if associated value variable (v_) has been set by the user
*---------------------------------------------------------------------------*/
#include <vector>
class EZPlot {
private:
//----------------------------------------------------------------------
- // POL Codes
+ // POL Codes
//----------------------------------------------------------------------
-
+
enum {
S_DATA = 2,
S_HELP,
S_EXIT,
S_CURVE,
S_SOLID,
- S_DASH,
+ S_DASH,
S_NOLINE,
S_BLACK,
S_RED,
S_TAG,
S_TEXTSIZE,
};
-
+
static const struct KeywordCodeTable m_sKeywords[];
static const int NKEYS;
-
+
std::vector<class EZPlotCurve*> m_vecCurves;
std::vector<int> m_veciColor;
std::vector<bool> m_vecbColorSet;
int m_iCurrentCurve;
// Colors
- int clr_axis; // color of all axis lines
- int clr_title; // color of main title
- int clr_label; // color of axis labels
- int clr_legend; // color of legend box
- int clr_grid; // color of grid lines
- int clr_number; // color of axis number labels
-
+ int clr_axis; // color of all axis lines
+ int clr_title; // color of main title
+ int clr_label; // color of axis labels
+ int clr_legend; // color of legend box
+ int clr_grid; // color of grid lines
+ int clr_number; // color of axis number labels
+
// Options
- double o_xporigin, o_yporigin; // origin of plot frame in NDC
- double o_xlength, o_ylength; // length of plot frame in NDC
-
- std::string c_xlabel; // label for x axis
- std::string c_ylabel; // label for y axis
- std::string c_title; // title to print above graph
-
- int o_linestyle, o_color; // style to use for curves all subsequent curves to EZPLOT
- int o_xaxis, o_yaxis; // Specifies where axis & labels are drawn
- bool o_grid; // Flag to draw a grid at major ticks
- bool o_box; // Flag to draw a box around the graph
-
- int o_xticks, o_yticks; // direction to draw tick marks
- bool o_xtlabel, o_ytlabel; // TRUE if label tick marks
-
- int o_xmajortick, o_ymajortick; // number of major ticks to draw
- int o_xminortick, o_yminortick; // number of minor ticks between major ticks
-
- int o_symbol; // Symbol type, (0 = no symbol)
- int o_symfreq; // frequency to draw symbols at curve points
-
- int o_legendbox; // controls whether legend is inside or outside of the axis extents
- int o_tag; // controls whether to draw tag at end of axes
-
- // VALUE & SET variables
- double v_xmin, v_xmax, v_ymin, v_ymax; // user supplied axis endpoints
- bool s_xmin, s_xmax, s_ymin, s_ymax; // TRUE is endpoint has been set
- double v_xtitle, v_ytitle; // NDC position to plot title
- bool s_xtitle, s_ytitle; // TRUE if set position for title
- double v_xcross, v_ycross; // position that axes cross
- bool s_xcross, s_ycross; // TRUE if set axes cross position
- double v_xlegend, v_ylegend; // upper-left position of legend box in NDC
- bool s_xlegend, s_ylegend; // TRUE if set position of legend box
- int v_lxfrac, v_lyfrac; // number of digits to right of decimal place
- bool s_lxfrac, s_lyfrac; // TRUE if set number of fractional digits
- double v_textsize; // size of text in NDC
- bool s_textsize; // TRUE if user set size of text
-
+ double o_xporigin, o_yporigin; // origin of plot frame in NDC
+ double o_xlength, o_ylength; // length of plot frame in NDC
+
+ std::string c_xlabel; // label for x axis
+ std::string c_ylabel; // label for y axis
+ std::string c_title; // title to print above graph
+
+ int o_linestyle, o_color; // style to use for curves all subsequent curves to EZPLOT
+ int o_xaxis, o_yaxis; // Specifies where axis & labels are drawn
+ bool o_grid; // Flag to draw a grid at major ticks
+ bool o_box; // Flag to draw a box around the graph
+
+ int o_xticks, o_yticks; // direction to draw tick marks
+ bool o_xtlabel, o_ytlabel; // TRUE if label tick marks
+
+ int o_xmajortick, o_ymajortick; // number of major ticks to draw
+ int o_xminortick, o_yminortick; // number of minor ticks between major ticks
+
+ int o_symbol; // Symbol type, (0 = no symbol)
+ int o_symfreq; // frequency to draw symbols at curve points
+
+ int o_legendbox; // controls whether legend is inside or outside of the axis extents
+ int o_tag; // controls whether to draw tag at end of axes
+
+ // VALUE & SET variables
+ double v_xmin, v_xmax, v_ymin, v_ymax; // user supplied axis endpoints
+ bool s_xmin, s_xmax, s_ymin, s_ymax; // TRUE is endpoint has been set
+ double v_xtitle, v_ytitle; // NDC position to plot title
+ bool s_xtitle, s_ytitle; // TRUE if set position for title
+ double v_xcross, v_ycross; // position that axes cross
+ bool s_xcross, s_ycross; // TRUE if set axes cross position
+ double v_xlegend, v_ylegend; // upper-left position of legend box in NDC
+ bool s_xlegend, s_ylegend; // TRUE if set position of legend box
+ int v_lxfrac, v_lyfrac; // number of digits to right of decimal place
+ bool s_lxfrac, s_lyfrac; // TRUE if set number of fractional digits
+ double v_textsize; // size of text in NDC
+ bool s_textsize; // TRUE if user set size of text
+
// Global variables
- double charheight; // Height of characters in NDC
- double charwidth; // Height of characters in NDC
- double xp_min, xp_max, yp_min, yp_max; // boundry of plot frame in NDC
- double xa_min, xa_max, ya_min, ya_max; // extent of axes in NDC
- double xgw_min, xgw_max, ygw_min, ygw_max; // boundary of graph in input coords
- double xgn_min, xgn_max, ygn_min, ygn_max; // boundy of graph in NDC
- double xt_min, xt_max, yt_min, yt_max; // boundary of axis ticks
- double xl_min, xl_max, yl_min, yl_max; // boundary of legend box
- double title_row; // y-coord of title row
- double xtl_ofs; // Offset y-coord of x tick labels from axis
- double ytl_ofs; // Offset x-coord of y tick labels from axis
- double xlbl_row; // row of x label in world coord
- double ylbl_col; // column of y label in world coord
- double xw_tickinc, yw_tickinc; // increment between major ticks in WC
- double xn_tickinc, yn_tickinc; // increment between major ticks in NDC
- int x_nint, y_nint; // number of intervals along x & y axes
- int x_fldwid, x_frac; // numeric field sizes & number of digits
- int y_fldwid, y_frac; // in fraction of number, used for printf()
- double xtl_wid, ytl_wid; // length of ticks labels in NDC
- double tl_height; // height of tick labels in NDC
- char x_numfmt[20]; // format to print x tick labels
- char y_numfmt[20]; // format to print y tick labels
-
+ double charheight; // Height of characters in NDC
+ double charwidth; // Height of characters in NDC
+ double xp_min, xp_max, yp_min, yp_max; // boundry of plot frame in NDC
+ double xa_min, xa_max, ya_min, ya_max; // extent of axes in NDC
+ double xgw_min, xgw_max, ygw_min, ygw_max; // boundary of graph in input coords
+ double xgn_min, xgn_max, ygn_min, ygn_max; // boundy of graph in NDC
+ double xt_min, xt_max, yt_min, yt_max; // boundary of axis ticks
+ double xl_min, xl_max, yl_min, yl_max; // boundary of legend box
+ double title_row; // y-coord of title row
+ double xtl_ofs; // Offset y-coord of x tick labels from axis
+ double ytl_ofs; // Offset x-coord of y tick labels from axis
+ double xlbl_row; // row of x label in world coord
+ double ylbl_col; // column of y label in world coord
+ double xw_tickinc, yw_tickinc; // increment between major ticks in WC
+ double xn_tickinc, yn_tickinc; // increment between major ticks in NDC
+ int x_nint, y_nint; // number of intervals along x & y axes
+ int x_fldwid, x_frac; // numeric field sizes & number of digits
+ int y_fldwid, y_frac; // in fraction of number, used for printf()
+ double xtl_wid, ytl_wid; // length of ticks labels in NDC
+ double tl_height; // height of tick labels in NDC
+ char x_numfmt[20]; // format to print x tick labels
+ char y_numfmt[20]; // format to print y tick labels
+
double m_dVP_xmin, m_dVP_ymin;
double m_dVP_xmax, m_dVP_ymax;
double m_dVP_xscale, m_dVP_yscale;
double m_xWorldScale, m_yWorldScale;
-
+
void drawAxes();
void symbol (int sym, double symwidth, double symheight);
void make_numfmt(char *fmtstr, int *fldwid, int *nfrac, double min, double max, int nint);
int axis_scale (double min, double max, int nint, double *minp, double *maxp, int *nintp);
-
+
SGP* m_pSGP;
POL m_pol;
-
+
void clearCurves ();
-
+
bool ezcmd (const char* const comm);
bool do_cmd(int lx);
void bad_option(char *opt);
void initPlotSettings();
-
+
void initKeywords ();
-
+
double convertWorldToNDC_X (double x)
{ return xgn_min + (x - xgw_min) * m_xWorldScale; }
-
+
double convertWorldToNDC_Y (double y)
{ return ygn_min + (y - ygw_min) * m_yWorldScale; }
-
+
public:
EZPlot ();
~EZPlot ();
-
+
bool ezset (const std::string& command);
bool ezset (const char* const command);
-
+
void addCurve (const float* x, const double* y, int num);
void addCurve (const double* x, const float* y, int num);
void addCurve (const double* x, const double* y, int num);
void addCurve (const double* y, int n);
void addCurve (const float* y, int n);
-
+
void plot (SGP* pSGP);
-};
+};
#endif
projects / ctsim.git / blobdiff