src/meta/tgraph.h

/* RCSid: $Id$ */
#include  "meta.h"

#include  <math.h>


#define  MINDIVS  4             /* Minimum number of divisions for axis */

#define  FTINY  1e-10           /* tiny float */

#define  FHUGE  1e10            /* large float */

#define  PI  3.14159265358979323846

#define  XBEG  2048             /* starting x coordinate */

#define  XSIZ  10240            /* x axis coordinate size */

#define  YBEG  2048             /* starting y coordinate */

#define  YSIZ  10240            /* y axis coordinate size */

#define  XCONV(x)  ((int)((x-xmin)*XSIZ/xsize+XBEG))

#define  YCONV(y)  ((int)((y-ymin)*YSIZ/ysize+YBEG))

#define  TSIZ  200              /* tick size */

#define  SYMRAD  100            /* default symbol radius */

#define  XTICS  1               /* flags for making axes */
#define  YTICS  2
#define  XNUMS  4
#define  YNUMS  8
#define  XGRID  16
#define  YGRID  32
#define  ORIGIN  64
#define  BOX  128

#define  RADIANS  1             /* flags for polar coordinates */
#define  DEGREES  2

#define  NCUR  16               /* number of supported curve types */
 

extern short  usecurve[];               /* booleans for curve usage */

extern int  symrad;                     /* current symbol radius */

extern double  xmin, xmax,              /* extrema */
               ymin, ymax;

extern double  xsize, ysize;            /* coordinate dimensions */

extern double  xmnset, xmxset,          /* domain settings */
               ymnset, ymxset;
       
extern short  logx, logy;               /* flags for logarithmic axes */

extern short  grid;                     /* flag for grid */

extern short  polar;                    /* flag for polar coordiates */

extern int    ncurves;                  /* number of curves in file */

extern char  *snagquo(), *instr();

extern double  atof(), floor(), ceil(), log();
Revision:	1.1
Committed:	Sat Feb 22 02:07:26 2003 UTC (21 years, 3 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad3R5
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release
#	Content
1	/* RCSid: $Id$ */
2	#include "meta.h"
3
4	#include <math.h>
5
6
7	#define MINDIVS 4 /* Minimum number of divisions for axis */
8
9	#define FTINY 1e-10 /* tiny float */
10
11	#define FHUGE 1e10 /* large float */
12
13	#define PI 3.14159265358979323846
14
15	#define XBEG 2048 /* starting x coordinate */
16
17	#define XSIZ 10240 /* x axis coordinate size */
18
19	#define YBEG 2048 /* starting y coordinate */
20
21	#define YSIZ 10240 /* y axis coordinate size */
22
23	#define XCONV(x) ((int)((x-xmin)*XSIZ/xsize+XBEG))
24
25	#define YCONV(y) ((int)((y-ymin)*YSIZ/ysize+YBEG))
26
27	#define TSIZ 200 /* tick size */
28
29	#define SYMRAD 100 /* default symbol radius */
30
31	#define XTICS 1 /* flags for making axes */
32	#define YTICS 2
33	#define XNUMS 4
34	#define YNUMS 8
35	#define XGRID 16
36	#define YGRID 32
37	#define ORIGIN 64
38	#define BOX 128
39
40	#define RADIANS 1 /* flags for polar coordinates */
41	#define DEGREES 2
42
43	#define NCUR 16 /* number of supported curve types */
44
45
46
47	extern short usecurve[]; /* booleans for curve usage */
48
49	extern int symrad; /* current symbol radius */
50
51	extern double xmin, xmax, /* extrema */
52	ymin, ymax;
53
54	extern double xsize, ysize; /* coordinate dimensions */
55
56	extern double xmnset, xmxset, /* domain settings */
57	ymnset, ymxset;
58
59	extern short logx, logy; /* flags for logarithmic axes */
60
61	extern short grid; /* flag for grid */
62
63	extern short polar; /* flag for polar coordiates */
64
65	extern int ncurves; /* number of curves in file */
66
67	extern char snagquo(), instr();
68
69	extern double atof(), floor(), ceil(), log();