source: Sophya/trunk/SophyaPI/PIGcont/gp_axis.h@ 2735

Last change on this file since 2735 was 1844, checked in by ansari, 24 years ago

changement de nom des fichiers (ajout de gp_ ou gpc_ ) pour eviter les confusions - Reza 30/12/2001
File size: 21.4 KB
Line 
1/*[
2 * Copyright 2000 Thomas Williams, Colin Kelley
3 *
4 * Permission to use, copy, and distribute this software and its
5 * documentation for any purpose with or without fee is hereby granted,
6 * provided that the above copyright notice appear in all copies and
7 * that both that copyright notice and this permission notice appear
8 * in supporting documentation.
9 *
10 * Permission to modify the software is granted, but not the right to
11 * distribute the complete modified source code. Modifications are to
12 * be distributed as patches to the released version. Permission to
13 * distribute binaries produced by compiling modified sources is granted,
14 * provided you
15 * 1. distribute the corresponding source modifications from the
16 * released version in the form of a patch file along with the binaries,
17 * 2. add special version identification to distinguish your version
18 * in addition to the base release version number,
19 * 3. provide your name and address as the primary contact for the
20 * support of your modified version, and
21 * 4. retain our contact information in regard to use of the base
22 * software.
23 * Permission to distribute the released version of the source code along
24 * with corresponding source modifications in the form of a patch file is
25 * granted with same provisions 2 through 4 for binary distributions.
26 *
27 * This software is provided "as is" without express or implied warranty
28 * to the extent permitted by applicable law.
29]*/
30
31#ifndef GNUPLOT_AXIS_H
32#define GNUPLOT_AXIS_H
33
34#include "gpc_misc.h"
35#include <stdio.h>
36/*#include "gp_types.h" */ /* for TBOOLEAN */
37
38/*#include "gadgets.h"*/
39/*#include "parse.h" */ /* for const_express() */
40/*#include "tables.h" */ /* for the axis name parse table */
41/*#include "term_api.h" */ /* for lp_style_type */
42/*#include "util.h" */ /* for int_error() */
43/****/
44
45/* typedefs / #defines */
46#ifndef TRUE
47#define TRUE -1
48#define FALSE 0
49#endif
50
51/* give some names to some array elements used in command.c and grap*.c
52 * maybe one day the relevant items in setshow will also be stored
53 * in arrays.
54 *
55 * Always keep the following conditions alive:
56 * SECOND_X_AXIS = FIRST_X_AXIS + SECOND_AXES
57 * FIRST_X_AXIS & SECOND_AXES == 0
58 */
59
60typedef enum AXIS_INDEX {
61#define FIRST_AXES 0
62 FIRST_Z_AXIS,
63 FIRST_Y_AXIS,
64 FIRST_X_AXIS,
65 T_AXIS, /* fill gap */
66#define SECOND_AXES 4
67 SECOND_Z_AXIS, /* not used, yet */
68 SECOND_Y_AXIS,
69 SECOND_X_AXIS,
70 R_AXIS, /* never used ? */
71 U_AXIS, /* dito */
72 V_AXIS /* dito */
73#ifdef PM3D
74 ,COLOR_AXIS
75#endif
76} AXIS_INDEX ;
77
78#ifdef PM3D
79# define AXIS_ARRAY_SIZE 11
80#else
81# define AXIS_ARRAY_SIZE 10
82#endif
83
84
85/* What kind of ticmarking is wanted? */
86typedef enum en_ticseries_type {
87 TIC_COMPUTED=1, /* default; gnuplot figures them */
88 TIC_SERIES, /* user-defined series */
89 TIC_USER, /* user-defined points */
90 TIC_MONTH, /* print out month names ((mo-1)%12)+1 */
91 TIC_DAY /* print out day of week */
92} t_ticseries_type;
93
94/* Defines one ticmark for TIC_USER style.
95 * If label==NULL, the value is printed with the usual format string.
96 * else, it is used as the format string (note that it may be a constant
97 * string, like "high" or "low").
98 */
99typedef struct ticmark {
100 double position; /* where on axis is this */
101 char *label; /* optional (format) string label */
102 struct ticmark *next; /* linked list */
103} ticmark;
104
105/* Tic-mark labelling definition; see set xtics */
106typedef struct ticdef {
107 t_ticseries_type type;
108 union {
109 struct ticmark *user; /* for TIC_USER */
110 struct { /* for TIC_SERIES */
111 double start, incr;
112 double end; /* ymax, if VERYLARGE */
113 } series;
114 } def;
115} t_ticdef;
116
117/* we want two auto modes for minitics - default where minitics are
118 * auto for log/time and off for linear, and auto where auto for all
119 * graphs I've done them in this order so that logscale-mode can
120 * simply test bit 0 to see if it must do the minitics automatically.
121 * similarly, conventional plot can test bit 1 to see if minitics are
122 * required */
123enum en_minitics_status {
124 MINI_OFF,
125 MINI_DEFAULT,
126 MINI_USER,
127 MINI_AUTO
128};
129
130/* Function pointer type for callback functions doing operations for a
131 * single ticmark */
132/*typedef void (*tic_callback) __PROTO((AXIS_INDEX, double, char *, struct lp_style_type ));*/
133
134/* Values to put in the axis_tics[] variables that decides where the
135 * ticmarks should be drawn: not at all, on one or both plot borders,
136 * or the zeroaxes. These look like a series of values, but TICS_MASK
137 * shows that they're actually bit masks --> don't turn into an enum
138 * */
139#define NO_TICS 0
140#define TICS_ON_BORDER 1
141#define TICS_ON_AXIS 2
142#define TICS_MASK 3
143#define TICS_MIRROR 4
144
145
146/* Need to allow user to choose grid at first and/or second axes tics.
147 * Also want to let user choose circles at x or y tics for polar grid.
148 * Also want to allow user rectangular grid for polar plot or polar
149 * grid for parametric plot. So just go for full configurability.
150 * These are bitmasks
151 */
152#define GRID_OFF 0
153#define GRID_X (1<<0)
154#define GRID_Y (1<<1)
155#define GRID_Z (1<<2)
156#define GRID_X2 (1<<3)
157#define GRID_Y2 (1<<4)
158#define GRID_MX (1<<5)
159#define GRID_MY (1<<6)
160#define GRID_MZ (1<<7)
161#define GRID_MX2 (1<<8)
162#define GRID_MY2 (1<<9)
163/* GRID_{M}CB only for PM3D, but defined always for source code readability */
164#define GRID_CB (1<<10)
165#define GRID_MCB (1<<11)
166
167/* HBB 20010610: new type for storing autoscale activity. Effectively
168 * two booleans (bits) in a single variable, so I'm using an enum with
169 * all 4 possible bit masks given readable names. */
170typedef enum e_autoscale {
171 AUTOSCALE_NONE = 0,
172 AUTOSCALE_MIN = 1<<0,
173 AUTOSCALE_MAX = 1<<1,
174 AUTOSCALE_BOTH = (1<<0 | 1 << 1),
175 AUTOSCALE_FIXMIN = 1<<2,
176 AUTOSCALE_FIXMAX = 1<<3
177} t_autoscale;
178
179
180/* HBB 20000725: gather all per-axis variables into a struct, and set up
181 * a single large array of such structs */
182/* FIXME 20000725: collect some of those various TBOOLEAN fields into
183 * a larger int (or -- shudder -- a bitfield?) */
184typedef struct axis {
185/* range of this axis */
186 t_autoscale autoscale; /* Which end(s) are autoscaled? */
187 t_autoscale set_autoscale; /* what does 'set' think autoscale to be? */
188 int range_flags; /* flag bits about autoscale/writeback: */
189 /* write auto-ed ranges back to variables for autoscale */
190#define RANGE_WRITEBACK 1
191 /* allow auto and reversed ranges */
192#define RANGE_REVERSE 2
193 TBOOLEAN reverse_range; /* range [high:low] silently reverted? */
194 double min; /* 'transient' axis extremal values */
195 double max;
196 double set_min; /* set/show 'permanent' values */
197 double set_max;
198 double writeback_min; /* ULIG's writeback implementation */
199 double writeback_max;
200
201/* output-related quantities */
202 int term_lower; /* low and high end of the axis on output, */
203 int term_upper; /* ... (in terminal coordinates)*/
204 double term_scale; /* scale factor: plot --> term coords */
205 unsigned int term_zero; /* position of zero axis */
206
207/* log axis control */
208 TBOOLEAN log; /* log axis stuff: flag "islog?" */
209 double base; /* logarithm base value */
210 double log_base; /* ln(base), for easier computations */
211
212/* time/date axis control */
213 TBOOLEAN is_timedata; /* is this a time/date axis? */
214 TBOOLEAN format_is_numeric; /* format string looks like numeric??? */
215 char timefmt[MAX_ID_LEN+1]; /* format string for input */
216 char formatstring[MAX_ID_LEN+1];
217 /* the format string for output */
218
219/* ticmark control variables */
220 int ticmode; /* tics on border/axis? mirrored? */
221 struct ticdef ticdef; /* tic series definition */
222 TBOOLEAN tic_rotate; /* ticmarks rotated (vertical text)? */
223 int minitics; /* minor tic mode (none/auto/user)? */
224 double mtic_freq; /* minitic stepsize */
225
226/* other miscellaneous fields */
227 label_struct label; /* label string and position offsets */
228 /*lp_style_type zeroaxis;*/ /* drawing style for zeroaxis, if any */
229} AXIS;
230
231#define DEFAULT_AXIS_TICDEF {TIC_COMPUTED, {NULL} }
232#ifdef PM3D
233# define DEFAULT_AXIS_ZEROAXIS {0, -3, 0, 1.0, 1.0, 0}
234#else
235# define DEFAULT_AXIS_ZEROAXIS {0, -3, 0, 1.0, 1.0}
236#endif
237#define DEFAULT_AXIS_STRUCT { \
238 AUTOSCALE_BOTH, AUTOSCALE_BOTH, /* auto, set_auto */ \
239 0, FALSE, /* range_flags, rev_range */ \
240 -10.0, 10.0, /* 3 pairs of min/max */ \
241 -10.0, 10.0, \
242 -10.0, 10.0, \
243 0, 0, 0, 0, /* terminal dependents */ \
244 FALSE, 0.0, 0.0, /* log, base, log(base) */ \
245 0, 1, /* is_timedata, format_numeric */ \
246 DEF_FORMAT, TIMEFMT, /* output format, timefmt */ \
247 NO_TICS, /* tic output positions (border, mirror) */ \
248 DEFAULT_AXIS_TICDEF, /* tic series definition */ \
249 FALSE, MINI_DEFAULT, 10, /* tic_rotate, minitics, mtic_freq */ \
250 EMPTY_LABELSTRUCT/**,**/ /* axis label */ \
251 /**DEFAULT_AXIS_ZEROAXIS**/} /* zeroaxis line style */
252
253/* Table of default behaviours --- a subset of the struct above. Only
254 * those fields are present that differ from axis to axis. */
255typedef struct axis_defaults {
256 double min; /* default axis endpoints */
257 double max;
258 char name[4]; /* axis name, like in "x2" or "t" */
259 int ticmode; /* tics on border/axis? mirrored? */
260} AXIS_DEFAULTS;
261
262
263
264/* global variables in axis.c */
265
266extern AXIS axis_array[AXIS_ARRAY_SIZE];
267extern AXIS_DEFAULTS axis_defaults[AXIS_ARRAY_SIZE];
268
269/* A parsing table for mapping axis names into axis indices. For use
270 * by the set/show machinery, mainly */
271extern struct gen_table axisname_tbl[AXIS_ARRAY_SIZE+1];
272
273
274extern const struct ticdef default_axis_ticdef;
275
276extern double ticscale; /* scale factor for tic marks (was (0..1])*/
277extern double miniticscale; /* and for minitics */
278extern TBOOLEAN tic_in; /* tics to be drawn inward? */
279
280
281/* default format for tic mark labels */
282#define DEF_FORMAT "% g"
283
284/* default parse timedata string */
285#define TIMEFMT "%d/%m/%y,%H:%M"
286
287/* axis labels */
288extern const label_struct default_axis_label;
289
290/* zeroaxis linetype (flag type==-3 if none wanted) */
291
292/***extern const lp_style_type default_axis_zeroaxis;***/
293
294/* grid drawing control variables */
295extern int grid_selection;
296/***extern const struct lp_style_type default_grid_lp;***/ /* default for 'unset' */
297/***extern struct lp_style_type grid_lp;***/ /* linestyle for major grid lines */
298/***extern struct lp_style_type mgrid_lp;***/ /* linestyle for minor grid lines */
299/***extern double polar_grid_angle;***/ /* angle step in polar grid in radians */
300
301/* global variables for communication with the tic callback functions */
302
303extern int tic_start, tic_direction, tic_text,
304 rotate_tics, tic_hjust, tic_vjust, tic_mirror;
305
306/* axes being used by the current plot */
307extern AXIS_INDEX x_axis, y_axis, z_axis;
308/* macros to reduce code clutter caused by the array notation, mainly
309 * in graphics.c and fit.c */
310#define X_AXIS axis_array[x_axis]
311#define Y_AXIS axis_array[y_axis]
312#define Z_AXIS axis_array[z_axis]
313#ifdef PM3D
314#define CB_AXIS axis_array[COLOR_AXIS]
315#endif
316
317/* -------- macros using these variables: */
318
319/* Macros to map from user to terminal coordinates and back */
320#define AXIS_MAP(axis, variable) \
321 (int) ((axis_array[axis].term_lower) \
322 + ((variable) - axis_array[axis].min) \
323 * axis_array[axis].term_scale + 0.5)
324#define AXIS_MAPBACK(axis, pos) \
325 (((double)(pos)-axis_array[axis].term_lower)/axis_array[axis].term_scale \
326 + axis_array[axis].min)
327
328/* these are the old names for these: */
329#define map_x(x) AXIS_MAP(x_axis, x)
330#define map_y(y) AXIS_MAP(y_axis, y)
331
332#define AXIS_SETSCALE(axis, out_low, out_high) \
333 axis_array[axis].term_scale = ((out_high) - (out_low)) \
334 / (axis_array[axis].max - axis_array[axis].min)
335
336/* write current min/max_array contents into the set/show status
337 * variables */
338#define AXIS_WRITEBACK(axis) \
339do { \
340 AXIS *this = axis_array + axis; \
341 \
342 if (this->range_flags & RANGE_WRITEBACK) { \
343 if (this->autoscale & AUTOSCALE_MIN) \
344 this->set_min = this->min; \
345 if (this->autoscale & AUTOSCALE_MAX) \
346 this->set_max = this->max; \
347 } \
348} while(0)
349
350/* HBB 20000430: New macros, logarithmize a value into a stored
351 * coordinate*/
352#define AXIS_DO_LOG(axis,value) (log(value) / axis_array[axis].log_base)
353#define AXIS_UNDO_LOG(axis,value) exp((value) * axis_array[axis].log_base)
354
355/* HBB 20000430: same, but these test if the axis is log, first: */
356#define AXIS_LOG_VALUE(axis,value) \
357 (axis_array[axis].log ? AXIS_DO_LOG(axis,value) : (value))
358#define AXIS_DE_LOG_VALUE(axis,coordinate) \
359 (axis_array[axis].log ? AXIS_UNDO_LOG(axis,coordinate): (coordinate))
360
361
362/* copy scalar data to arrays. The difference between 3D and 2D
363 * versions is: dont know we have to support ranges [10:-10] - lets
364 * reverse it for now, then fix it at the end. */
365/* FIXME HBB 20000426: unknown if this distinction makes any sense... */
366#define AXIS_INIT3D(axis, islog_override, infinite) \
367do { \
368 AXIS *this = axis_array + axis; \
369 \
370 if ((this->autoscale = this->set_autoscale) == AUTOSCALE_NONE \
371 && this->set_max < this->set_min) { \
372 this->min = this->set_max; \
373 this->max = this->set_min; \
374 /* we will fix later */ \
375 } else { \
376 this->min = (infinite && (this->set_autoscale & AUTOSCALE_MIN)) \
377 ? VERYLARGE : this->set_min; \
378 this->max = (infinite && (this->set_autoscale & AUTOSCALE_MAX)) \
379 ? -VERYLARGE : this->set_max; \
380 } \
381 if (islog_override) { \
382 this->log = 0; \
383 this->base = 1; \
384 this->log_base = 0; \
385 } else { \
386 this->log_base = this->log ? log(this->base) : 0; \
387 } \
388} while(0)
389
390#define AXIS_INIT2D(axis, infinite) \
391do { \
392 AXIS *this = axis_array + axis; \
393 \
394 this->autoscale = this->set_autoscale; \
395 this->min = (infinite && (this->set_autoscale & AUTOSCALE_MIN)) \
396 ? VERYLARGE : this->set_min; \
397 this->max = (infinite && (this->set_autoscale & AUTOSCALE_MAX)) \
398 ? -VERYLARGE : this->set_max; \
399 this->log_base = this->log ? log(this->base) : 0; \
400} while(0)
401
402/* handle reversed ranges */
403#define CHECK_REVERSE(axis) \
404do { \
405 AXIS *this = axis_array + axis; \
406 \
407 if ((this->autoscale == AUTOSCALE_NONE) \
408 && (this->max < this->min) \
409 ) { \
410 double temp = this->min; \
411 this->min = this->max; \
412 this->max = temp; \
413 this->reverse_range = 1; \
414 } else \
415 this->reverse_range = (this->range_flags & RANGE_REVERSE); \
416} while(0)
417
418/* HBB 20000725: new macro, built upon ULIG's SAVE_WRITEBACK(axis),
419 * but easier to use. Code like this occured twice, in plot2d and
420 * plot3d: */
421#define SAVE_WRITEBACK_ALL_AXES \
422do { \
423 AXIS_INDEX axis; \
424 \
425 for (axis = 0; axis < AXIS_ARRAY_SIZE; axis++) \
426 if(axis_array[axis].range_flags & RANGE_WRITEBACK) { \
427 set_writeback_min(axis); \
428 set_writeback_max(axis); \
429 } \
430} while(0)
431
432/* get optional [min:max] */
433#define PARSE_RANGE(axis) \
434do { \
435 if (equals(c_token, "[")) { \
436 c_token++; \
437 axis_array[axis].autoscale = \
438 load_range(axis, &axis_array[axis].min, &axis_array[axis].max, \
439 axis_array[axis].autoscale); \
440 if (!equals(c_token, "]")) \
441 int_error(c_token, "']' expected"); \
442 c_token++; \
443 } \
444} while (0)
445
446/* HBB 20000430: new macro, like PARSE_RANGE, but for named ranges as
447 * in 'plot [phi=3.5:7] sin(phi)' */
448#define PARSE_NAMED_RANGE(axis, dummy_token) \
449do { \
450 if (equals(c_token, "[")) { \
451 c_token++; \
452 if (isletter(c_token)) { \
453 if (equals(c_token + 1, "=")) { \
454 dummy_token = c_token; \
455 c_token += 2; \
456 } \
457 /* oops; probably an expression with a variable: act \
458 * as if no variable name had been seen, by \
459 * fallthrough */ \
460 } \
461 axis_array[axis].autoscale = load_range(axis, &axis_array[axis].min, \
462 &axis_array[axis].max, \
463 axis_array[axis].autoscale); \
464 if (!equals(c_token, "]")) \
465 int_error(c_token, "']' expected"); \
466 c_token++; \
467 } /* first '[' */ \
468} while (0)
469
470/* parse a position of the form
471 * [coords] x, [coords] y {,[coords] z}
472 * where coords is one of first,second.graph,screen
473 * if first or second, we need to take axis_is_timedata into account
474 */
475#define GET_NUMBER_OR_TIME(store,axes,axis) \
476do { \
477 if (((axes) >= 0) && (axis_array[(axes)+(axis)].is_timedata) \
478 && isstring(c_token)) { \
479 char ss[80]; \
480 struct tm tm; \
481 quote_str(ss,c_token, 80); \
482 ++c_token; \
483 if (gstrptime(ss,axis_array[axis].timefmt,&tm)) \
484 (store) = (double) gtimegm(&tm); \
485 } else { \
486 struct value value; \
487 (store) = real(const_express(&value)); \
488 } \
489} while(0)
490
491/* This is one is very similar to GET_NUMBER_OR_TIME, but has slightly
492 * different usage: it writes out '0' in case of inparsable time data,
493 * and it's used when the target axis is fixed without a 'first' or
494 * 'second' keyword in front of it. */
495#define GET_NUM_OR_TIME(store,axis) \
496do { \
497 (store) = 0; \
498 GET_NUMBER_OR_TIME(store, FIRST_AXES, axis); \
499} while (0);
500
501/* store VALUE or log(VALUE) in STORE, set TYPE as appropriate
502 * Do OUT_ACTION or UNDEF_ACTION as appropriate
503 * adjust range provided type is INRANGE (ie dont adjust y if x is outrange
504 * VALUE must not be same as STORE
505 */
506
507#define STORE_WITH_LOG_AND_UPDATE_RANGE(STORE, VALUE, TYPE, AXIS, \
508 OUT_ACTION, UNDEF_ACTION) \
509do { \
510 /* HBB 20000726: new check, to avoid crashes with axis index -1 */ \
511 if (AXIS==-1) \
512 break; \
513 if (axis_array[AXIS].log) { \
514 if (VALUE<0.0) { \
515 TYPE = UNDEFINED; \
516 UNDEF_ACTION; \
517 break; \
518 } else if (VALUE == 0.0) { \
519 STORE = -VERYLARGE; \
520 TYPE = OUTRANGE; \
521 OUT_ACTION; \
522 break; \
523 } else { \
524 STORE = AXIS_DO_LOG(AXIS,VALUE); \
525 } \
526 } else \
527 STORE = VALUE; \
528 if (TYPE != INRANGE) \
529 break; /* don't set y range if x is outrange, for example */ \
530 if ((int)AXIS < 0) \
531 break; /* HBB 20000507: don't check range if not a coordinate */ \
532 if ( VALUE<axis_array[AXIS].min ) { \
533 if (axis_array[AXIS].autoscale & AUTOSCALE_MIN) \
534 axis_array[AXIS].min = VALUE; \
535 else { \
536 TYPE = OUTRANGE; \
537 OUT_ACTION; \
538 break; \
539 } \
540 } \
541 if ( VALUE>axis_array[AXIS].max ) { \
542 if (axis_array[AXIS].autoscale & AUTOSCALE_MAX) \
543 axis_array[AXIS].max = VALUE; \
544 else { \
545 TYPE = OUTRANGE; \
546 OUT_ACTION; \
547 } \
548 } \
549} while(0)
550
551/* use this instead empty macro arguments to work around NeXT cpp bug */
552/* if this fails on any system, we might use ((void)0) */
553#define NOOP /* */
554
555/* HBB 20000506: new macro, initializes one variable to the same
556 * value, for all axes. */
557#define INIT_AXIS_ARRAY(field, value) \
558do { \
559 int tmp; \
560 for (tmp=0; tmp<AXIS_ARRAY_SIZE; tmp++) \
561 axis_array[tmp].field=(value); \
562} while(0)
563
564/* HBB 20000506: new macro to automatically build intializer lists
565 * for arrays of AXIS_ARRAY_SIZE equal elements */
566#ifdef PM3D
567#define AXIS_ARRAY_INITIALIZER(value) { \
568 value, value, value, value, value, \
569 value, value, value, value, value /*, value*/ }
570#else
571#define AXIS_ARRAY_INITIALIZER(value) { \
572 value, value, value, value, value, \
573 value, value, value, value, value }
574#endif
575
576
577/* used by set.c */
578#define SET_DEFFORMAT(axis, flag_array) \
579 if (flag_array[axis]) { \
580 (void) strcpy(axis_array[axis].formatstring,DEF_FORMAT); \
581 axis_array[axis].format_is_numeric = 1; \
582 }
583
584
585/* 'roundoff' check tolerance: less than one hundredth of a tic mark */
586#define SIGNIF (0.01)
587/* (DFK) Watch for cancellation error near zero on axes labels */
588/* FIXME HBB 20000521: these seem not to be used much, anywhere... */
589#define CheckZero(x,tic) (fabs(x) < ((tic) * SIGNIF) ? 0.0 : (x))
590#define NearlyEqual(x,y,tic) (fabs((x)-(y)) < ((tic) * SIGNIF))
591
592
593
594/* ------------ functions exported by axis.c */
595/*t_autoscale load_range __PROTO((AXIS_INDEX, double *, double *, t_autoscale));*/
596void axis_unlog_interval(AXIS_INDEX, double *, double *, TBOOLEAN);
597/*void axis_revert_and_unlog_range __PROTO((AXIS_INDEX));*/
598/*double axis_log_value_checked __PROTO((AXIS_INDEX, double, const char *));*/
599/*void axis_checked_extend_empty_range __PROTO((AXIS_INDEX, const char *mesg));*/
600/*void timetic_format __PROTO((AXIS_INDEX, double, double));*/
601double set_tic(double, int);
602/*void setup_tics __PROTO((AXIS_INDEX, int));*/
603/*void gen_tics __PROTO((AXIS_INDEX, int, tic_callback));*/
604/*void gprintf __PROTO((char *, size_t, char *, double, double));*/
605/*void axis_output_tics __PROTO((AXIS_INDEX, int *, AXIS_INDEX, int, tic_callback));*/
606/*void axis_set_graphical_range __PROTO((AXIS_INDEX, unsigned int lower, unsigned int upper));*/
607/*TBOOLEAN axis_position_zeroaxis __PROTO((AXIS_INDEX));*/
608/*void axis_draw_2d_zeroaxis __PROTO((AXIS_INDEX, AXIS_INDEX)); */
609
610/*double get_writeback_min __PROTO((AXIS_INDEX));*/
611/*double get_writeback_max __PROTO((AXIS_INDEX));*/
612/*void set_writeback_min __PROTO((AXIS_INDEX));*/
613/*void set_writeback_max __PROTO((AXIS_INDEX));*/
614
615#endif /* GNUPLOT_AXIS_H */
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