HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 3132f345 CW |
1 | ;;; calc-graph.el --- graph output functions for Calc |
| 2 | ||
| 8f66f479 | 3 | ;; Copyright (C) 1990, 1991, 1992, 1993, 2001 Free Software Foundation, Inc. |
| 3132f345 CW |
4 | |
| 5 | ;; Author: David Gillespie <daveg@synaptics.com> | |
| a1506d29 | 6 | ;; Maintainers: D. Goel <deego@gnufans.org> |
| 6e1c888a | 7 | ;; Colin Walters <walters@debian.org> |
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8 | |
| 9 | ;; This file is part of GNU Emacs. | |
| 10 | ||
| 11 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | ;; but WITHOUT ANY WARRANTY. No author or distributor | |
| 13 | ;; accepts responsibility to anyone for the consequences of using it | |
| 14 | ;; or for whether it serves any particular purpose or works at all, | |
| 15 | ;; unless he says so in writing. Refer to the GNU Emacs General Public | |
| 16 | ;; License for full details. | |
| 17 | ||
| 18 | ;; Everyone is granted permission to copy, modify and redistribute | |
| 19 | ;; GNU Emacs, but only under the conditions described in the | |
| 20 | ;; GNU Emacs General Public License. A copy of this license is | |
| 21 | ;; supposed to have been given to you along with GNU Emacs so you | |
| 22 | ;; can know your rights and responsibilities. It should be in a | |
| 23 | ;; file named COPYING. Among other things, the copyright notice | |
| 24 | ;; and this notice must be preserved on all copies. | |
| 25 | ||
| 3132f345 | 26 | ;;; Commentary: |
| 136211a9 | 27 | |
| 3132f345 | 28 | ;;; Code: |
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29 | |
| 30 | ;; This file is autoloaded from calc-ext.el. | |
| 31 | (require 'calc-ext) | |
| 32 | ||
| 33 | (require 'calc-macs) | |
| 34 | ||
| 35 | (defun calc-Need-calc-graph () nil) | |
| 36 | ||
| 37 | ||
| 38 | ;;; Graphics | |
| 39 | ||
| 40 | ;;; Note that some of the following initial values also occur in calc.el. | |
| 2c37c14b | 41 | (defvar calc-gnuplot-tempfile "calc") |
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42 | |
| 43 | (defvar calc-gnuplot-default-device "default") | |
| 44 | (defvar calc-gnuplot-default-output "STDOUT") | |
| 45 | (defvar calc-gnuplot-print-device "postscript") | |
| 46 | (defvar calc-gnuplot-print-output "auto") | |
| 47 | (defvar calc-gnuplot-keep-outfile nil) | |
| 48 | (defvar calc-gnuplot-version nil) | |
| 49 | ||
| 50 | (defvar calc-gnuplot-display (getenv "DISPLAY")) | |
| 51 | (defvar calc-gnuplot-geometry nil) | |
| 52 | ||
| 53 | (defvar calc-graph-default-resolution 15) | |
| 54 | (defvar calc-graph-default-resolution-3d 5) | |
| 55 | (defvar calc-graph-default-precision 5) | |
| 56 | ||
| 57 | (defvar calc-gnuplot-buffer nil) | |
| 58 | (defvar calc-gnuplot-input nil) | |
| 59 | ||
| 60 | (defvar calc-gnuplot-last-error-pos 1) | |
| 61 | (defvar calc-graph-last-device nil) | |
| 62 | (defvar calc-graph-last-output nil) | |
| 63 | (defvar calc-graph-file-cache nil) | |
| 64 | (defvar calc-graph-var-cache nil) | |
| 65 | (defvar calc-graph-data-cache nil) | |
| 66 | (defvar calc-graph-data-cache-limit 10) | |
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67 | (defvar calc-graph-no-auto-view nil) |
| 68 | (defvar calc-graph-no-wait nil) | |
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69 | |
| 70 | (defun calc-graph-fast (many) | |
| 71 | (interactive "P") | |
| 72 | (let ((calc-graph-no-auto-view t)) | |
| 73 | (calc-graph-delete t) | |
| 74 | (calc-graph-add many) | |
| bf77c646 | 75 | (calc-graph-plot nil))) |
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76 | |
| 77 | (defun calc-graph-fast-3d (many) | |
| 78 | (interactive "P") | |
| 79 | (let ((calc-graph-no-auto-view t)) | |
| 80 | (calc-graph-delete t) | |
| 81 | (calc-graph-add-3d many) | |
| bf77c646 | 82 | (calc-graph-plot nil))) |
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83 | |
| 84 | (defun calc-graph-delete (all) | |
| 85 | (interactive "P") | |
| 86 | (calc-wrapper | |
| 87 | (calc-graph-init) | |
| 88 | (save-excursion | |
| 89 | (set-buffer calc-gnuplot-input) | |
| 90 | (and (calc-graph-find-plot t all) | |
| 91 | (progn | |
| 92 | (if (looking-at "s?plot") | |
| 93 | (progn | |
| 94 | (setq calc-graph-var-cache nil) | |
| 95 | (delete-region (point) (point-max))) | |
| 96 | (delete-region (point) (1- (point-max))))))) | |
| bf77c646 | 97 | (calc-graph-view-commands))) |
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98 | |
| 99 | (defun calc-graph-find-plot (&optional before all) | |
| 100 | (goto-char (point-min)) | |
| 101 | (and (re-search-forward "^s?plot[ \t]+" nil t) | |
| 102 | (let ((beg (point))) | |
| 103 | (goto-char (point-max)) | |
| 104 | (if (or all | |
| 105 | (not (search-backward "," nil t)) | |
| 106 | (< (point) beg)) | |
| 107 | (progn | |
| 108 | (goto-char beg) | |
| 109 | (if before | |
| 110 | (beginning-of-line))) | |
| 111 | (or before | |
| 112 | (re-search-forward ",[ \t]+"))) | |
| bf77c646 | 113 | t))) |
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114 | |
| 115 | (defun calc-graph-add (many) | |
| 116 | (interactive "P") | |
| 117 | (calc-wrapper | |
| 118 | (calc-graph-init) | |
| 119 | (cond ((null many) | |
| 120 | (calc-graph-add-curve (calc-graph-lookup (calc-top-n 2)) | |
| 121 | (calc-graph-lookup (calc-top-n 1)))) | |
| 122 | ((or (consp many) (eq many 0)) | |
| 123 | (let ((xdata (calc-graph-lookup (calc-top-n 2))) | |
| 124 | (ylist (calc-top-n 1))) | |
| 125 | (or (eq (car-safe ylist) 'vec) | |
| 126 | (error "Y argument must be a vector")) | |
| 127 | (while (setq ylist (cdr ylist)) | |
| 128 | (calc-graph-add-curve xdata (calc-graph-lookup (car ylist)))))) | |
| 129 | ((> (setq many (prefix-numeric-value many)) 0) | |
| 130 | (let ((xdata (calc-graph-lookup (calc-top-n (1+ many))))) | |
| 131 | (while (> many 0) | |
| 132 | (calc-graph-add-curve xdata | |
| 133 | (calc-graph-lookup (calc-top-n many))) | |
| 134 | (setq many (1- many))))) | |
| 135 | (t | |
| 136 | (let (pair) | |
| 137 | (setq many (- many)) | |
| 138 | (while (> many 0) | |
| 139 | (setq pair (calc-top-n many)) | |
| 140 | (or (and (eq (car-safe pair) 'vec) | |
| 141 | (= (length pair) 3)) | |
| 142 | (error "Argument must be an [x,y] vector")) | |
| 143 | (calc-graph-add-curve (calc-graph-lookup (nth 1 pair)) | |
| 144 | (calc-graph-lookup (nth 2 pair))) | |
| 145 | (setq many (1- many)))))) | |
| bf77c646 | 146 | (calc-graph-view-commands))) |
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147 | |
| 148 | (defun calc-graph-add-3d (many) | |
| 149 | (interactive "P") | |
| 150 | (calc-wrapper | |
| 151 | (calc-graph-init) | |
| 152 | (cond ((null many) | |
| 153 | (calc-graph-add-curve (calc-graph-lookup (calc-top-n 3)) | |
| 154 | (calc-graph-lookup (calc-top-n 2)) | |
| 155 | (calc-graph-lookup (calc-top-n 1)))) | |
| 156 | ((or (consp many) (eq many 0)) | |
| 157 | (let ((xdata (calc-graph-lookup (calc-top-n 3))) | |
| 158 | (ydata (calc-graph-lookup (calc-top-n 2))) | |
| 159 | (zlist (calc-top-n 1))) | |
| 160 | (or (eq (car-safe zlist) 'vec) | |
| 161 | (error "Z argument must be a vector")) | |
| 162 | (while (setq zlist (cdr zlist)) | |
| 163 | (calc-graph-add-curve xdata ydata | |
| 164 | (calc-graph-lookup (car zlist)))))) | |
| 165 | ((> (setq many (prefix-numeric-value many)) 0) | |
| 166 | (let ((xdata (calc-graph-lookup (calc-top-n (+ many 2)))) | |
| 167 | (ydata (calc-graph-lookup (calc-top-n (+ many 1))))) | |
| 168 | (while (> many 0) | |
| 169 | (calc-graph-add-curve xdata ydata | |
| 170 | (calc-graph-lookup (calc-top-n many))) | |
| 171 | (setq many (1- many))))) | |
| 172 | (t | |
| 173 | (let (curve) | |
| 174 | (setq many (- many)) | |
| 175 | (while (> many 0) | |
| 176 | (setq curve (calc-top-n many)) | |
| 177 | (or (and (eq (car-safe curve) 'vec) | |
| 178 | (= (length curve) 4)) | |
| 179 | (error "Argument must be an [x,y,z] vector")) | |
| 180 | (calc-graph-add-curve (calc-graph-lookup (nth 1 curve)) | |
| 181 | (calc-graph-lookup (nth 2 curve)) | |
| 182 | (calc-graph-lookup (nth 3 curve))) | |
| 183 | (setq many (1- many)))))) | |
| bf77c646 | 184 | (calc-graph-view-commands))) |
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185 | |
| 186 | (defun calc-graph-add-curve (xdata ydata &optional zdata) | |
| 187 | (let ((num (calc-graph-count-curves)) | |
| 188 | (pstyle (calc-var-value 'var-PointStyles)) | |
| 189 | (lstyle (calc-var-value 'var-LineStyles))) | |
| 190 | (save-excursion | |
| 191 | (set-buffer calc-gnuplot-input) | |
| 192 | (goto-char (point-min)) | |
| 193 | (if (re-search-forward (if zdata "^plot[ \t]" "^splot[ \t]") | |
| 194 | nil t) | |
| 195 | (error "Can't mix 2d and 3d curves on one graph")) | |
| 196 | (if (re-search-forward "^s?plot[ \t]" nil t) | |
| 197 | (progn | |
| 198 | (end-of-line) | |
| 199 | (insert ", ")) | |
| 200 | (goto-char (point-max)) | |
| 201 | (or (eq (preceding-char) ?\n) | |
| 202 | (insert "\n")) | |
| 203 | (insert (if zdata "splot" "plot") " \n") | |
| 204 | (forward-char -1)) | |
| 205 | (insert "{" (symbol-name (nth 1 xdata)) | |
| 206 | ":" (symbol-name (nth 1 ydata))) | |
| 207 | (if zdata | |
| 208 | (insert ":" (symbol-name (nth 1 zdata)))) | |
| 209 | (insert "} " | |
| 210 | "title \"" (symbol-name (nth 1 ydata)) "\" " | |
| 211 | "with dots") | |
| 212 | (setq pstyle (and (eq (car-safe pstyle) 'vec) (nth (1+ num) pstyle))) | |
| 213 | (setq lstyle (and (eq (car-safe lstyle) 'vec) (nth (1+ num) lstyle))) | |
| 214 | (calc-graph-set-styles | |
| 215 | (or (and (Math-num-integerp lstyle) (math-trunc lstyle)) | |
| 216 | 0) | |
| 217 | (or (and (Math-num-integerp pstyle) (math-trunc pstyle)) | |
| 218 | (if (eq (car-safe (calc-var-value (nth 2 ydata))) 'vec) | |
| bf77c646 | 219 | 0 -1)))))) |
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220 | |
| 221 | (defun calc-graph-lookup (thing) | |
| 222 | (if (and (eq (car-safe thing) 'var) | |
| 223 | (calc-var-value (nth 2 thing))) | |
| 224 | thing | |
| 225 | (let ((found (assoc thing calc-graph-var-cache))) | |
| 226 | (or found | |
| 227 | (progn | |
| 228 | (setq varname (concat "PlotData" | |
| 229 | (int-to-string | |
| 230 | (1+ (length calc-graph-var-cache)))) | |
| 231 | var (list 'var (intern varname) | |
| 232 | (intern (concat "var-" varname))) | |
| 233 | found (cons thing var) | |
| 234 | calc-graph-var-cache (cons found calc-graph-var-cache)) | |
| 235 | (set (nth 2 var) thing))) | |
| bf77c646 | 236 | (cdr found)))) |
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237 | |
| 238 | (defun calc-graph-juggle (arg) | |
| 239 | (interactive "p") | |
| 240 | (calc-graph-init) | |
| 241 | (save-excursion | |
| 242 | (set-buffer calc-gnuplot-input) | |
| 243 | (if (< arg 0) | |
| 244 | (let ((num (calc-graph-count-curves))) | |
| 245 | (if (> num 0) | |
| 246 | (while (< arg 0) | |
| 247 | (setq arg (+ arg num)))))) | |
| 248 | (while (>= (setq arg (1- arg)) 0) | |
| bf77c646 | 249 | (calc-graph-do-juggle)))) |
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250 | |
| 251 | (defun calc-graph-count-curves () | |
| 252 | (save-excursion | |
| 253 | (set-buffer calc-gnuplot-input) | |
| 254 | (if (re-search-forward "^s?plot[ \t]" nil t) | |
| 255 | (let ((num 1)) | |
| 256 | (goto-char (point-min)) | |
| 257 | (while (search-forward "," nil t) | |
| 258 | (setq num (1+ num))) | |
| 259 | num) | |
| bf77c646 | 260 | 0))) |
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261 | |
| 262 | (defun calc-graph-do-juggle () | |
| 263 | (let (base) | |
| 264 | (and (calc-graph-find-plot t t) | |
| 265 | (progn | |
| 266 | (setq base (point)) | |
| 267 | (calc-graph-find-plot t nil) | |
| 268 | (or (eq base (point)) | |
| 269 | (let ((str (buffer-substring (+ (point) 2) (1- (point-max))))) | |
| 270 | (delete-region (point) (1- (point-max))) | |
| 271 | (goto-char (+ base 5)) | |
| bf77c646 | 272 | (insert str ", "))))))) |
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273 | |
| 274 | (defun calc-graph-print (flag) | |
| 275 | (interactive "P") | |
| bf77c646 | 276 | (calc-graph-plot flag t)) |
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277 | |
| 278 | (defun calc-graph-plot (flag &optional printing) | |
| 279 | (interactive "P") | |
| 280 | (calc-slow-wrapper | |
| 281 | (let ((calcbuf (current-buffer)) | |
| 282 | (tempbuf (get-buffer-create "*Gnuplot Temp-2*")) | |
| 283 | (tempbuftop 1) | |
| 284 | (tempoutfile nil) | |
| 285 | (curve-num 0) | |
| 286 | (refine (and flag (> (prefix-numeric-value flag) 0))) | |
| 287 | (recompute (and flag (< (prefix-numeric-value flag) 0))) | |
| 288 | (surprise-splot nil) | |
| 289 | (tty-output nil) | |
| 290 | cache-env is-splot device output resolution precision samples-pos) | |
| 291 | (or (boundp 'calc-graph-prev-kill-hook) | |
| 292 | (if calc-emacs-type-19 | |
| 293 | (progn | |
| 294 | (setq calc-graph-prev-kill-hook nil) | |
| 295 | (add-hook 'kill-emacs-hook 'calc-graph-kill-hook)) | |
| 296 | (setq calc-graph-prev-kill-hook kill-emacs-hook) | |
| 297 | (setq kill-emacs-hook 'calc-graph-kill-hook))) | |
| 298 | (save-excursion | |
| 299 | (calc-graph-init) | |
| 300 | (set-buffer tempbuf) | |
| 301 | (erase-buffer) | |
| 302 | (set-buffer calc-gnuplot-input) | |
| 303 | (goto-char (point-min)) | |
| 304 | (setq is-splot (re-search-forward "^splot[ \t]" nil t)) | |
| 305 | (let ((str (buffer-string)) | |
| 306 | (ver calc-gnuplot-version)) | |
| 307 | (set-buffer (get-buffer-create "*Gnuplot Temp*")) | |
| 308 | (erase-buffer) | |
| 309 | (insert "# (Note: This is a temporary copy---do not edit!)\n") | |
| 310 | (if (>= ver 2) | |
| 311 | (insert "set noarrow\nset nolabel\n" | |
| 312 | "set autoscale xy\nset nologscale xy\n" | |
| 313 | "set xlabel\nset ylabel\nset title\n" | |
| 314 | "set noclip points\nset clip one\nset clip two\n" | |
| 315 | "set format \"%g\"\nset tics\nset xtics\nset ytics\n" | |
| 316 | "set data style linespoints\n" | |
| 317 | "set nogrid\nset nokey\nset nopolar\n")) | |
| 318 | (if (>= ver 3) | |
| 319 | (insert "set surface\nset nocontour\n" | |
| 320 | "set " (if is-splot "" "no") "parametric\n" | |
| 321 | "set notime\nset border\nset ztics\nset zeroaxis\n" | |
| 322 | "set view 60,30,1,1\nset offsets 0,0,0,0\n")) | |
| 323 | (setq samples-pos (point)) | |
| 324 | (insert "\n\n" str)) | |
| 325 | (goto-char (point-min)) | |
| 326 | (if is-splot | |
| 327 | (if refine | |
| 328 | (error "This option works only for 2d plots") | |
| 329 | (setq recompute t))) | |
| 330 | (let ((calc-gnuplot-input (current-buffer)) | |
| 331 | (calc-graph-no-auto-view t)) | |
| 332 | (if printing | |
| 333 | (setq device calc-gnuplot-print-device | |
| 334 | output calc-gnuplot-print-output) | |
| 335 | (setq device (calc-graph-find-command "terminal") | |
| 336 | output (calc-graph-find-command "output")) | |
| 337 | (or device | |
| 338 | (setq device calc-gnuplot-default-device)) | |
| 339 | (if output | |
| 340 | (setq output (car (read-from-string output))) | |
| 341 | (setq output calc-gnuplot-default-output))) | |
| 342 | (if (or (equal device "") (equal device "default")) | |
| 343 | (setq device (if printing | |
| 344 | "postscript" | |
| 345 | (if (or (eq window-system 'x) (getenv "DISPLAY")) | |
| 346 | "x11" | |
| 347 | (if (>= calc-gnuplot-version 3) | |
| 348 | "dumb" "postscript"))))) | |
| 349 | (if (equal device "dumb") | |
| 350 | (setq device (format "dumb %d %d" | |
| 8f66f479 | 351 | (1- (frame-width)) (1- (frame-height))))) |
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352 | (if (equal device "big") |
| 353 | (setq device (format "dumb %d %d" | |
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354 | (* 4 (- (frame-width) 3)) |
| 355 | (* 4 (- (frame-height) 3))))) | |
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356 | (if (stringp output) |
| 357 | (if (or (equal output "auto") | |
| 358 | (and (equal output "tty") (setq tty-output t))) | |
| 359 | (setq tempoutfile (calc-temp-file-name -1) | |
| 360 | output tempoutfile)) | |
| 361 | (setq output (eval output))) | |
| 362 | (or (equal device calc-graph-last-device) | |
| 363 | (progn | |
| 364 | (setq calc-graph-last-device device) | |
| 365 | (calc-gnuplot-command "set terminal" device))) | |
| 366 | (or (equal output calc-graph-last-output) | |
| 367 | (progn | |
| 368 | (setq calc-graph-last-output output) | |
| 369 | (calc-gnuplot-command "set output" | |
| 370 | (if (equal output "STDOUT") | |
| 371 | "" | |
| 372 | (prin1-to-string output))))) | |
| 373 | (setq resolution (calc-graph-find-command "samples")) | |
| 374 | (if resolution | |
| 375 | (setq resolution (string-to-int resolution)) | |
| 376 | (setq resolution (if is-splot | |
| 377 | calc-graph-default-resolution-3d | |
| 378 | calc-graph-default-resolution))) | |
| 379 | (setq precision (calc-graph-find-command "precision")) | |
| 380 | (if precision | |
| 381 | (setq precision (string-to-int precision)) | |
| 382 | (setq precision calc-graph-default-precision)) | |
| 383 | (calc-graph-set-command "terminal") | |
| 384 | (calc-graph-set-command "output") | |
| 385 | (calc-graph-set-command "samples") | |
| 386 | (calc-graph-set-command "precision")) | |
| 387 | (goto-char samples-pos) | |
| 388 | (insert "set samples " (int-to-string (max (if is-splot 20 200) | |
| 389 | (+ 5 resolution))) "\n") | |
| 390 | (while (re-search-forward "{\\*[^}]+}[^,\n]*" nil t) | |
| 391 | (delete-region (match-beginning 0) (match-end 0)) | |
| 392 | (if (looking-at ",") | |
| 393 | (delete-char 1) | |
| 9b80830c | 394 | (while (memq (preceding-char) '(?\s ?\t)) |
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395 | (forward-char -1)) |
| 396 | (if (eq (preceding-char) ?\,) | |
| 397 | (delete-backward-char 1)))) | |
| 398 | (save-excursion | |
| 399 | (set-buffer calcbuf) | |
| 400 | (setq cache-env (list calc-angle-mode | |
| 401 | calc-complex-mode | |
| 402 | calc-simplify-mode | |
| 403 | calc-infinite-mode | |
| 404 | calc-word-size | |
| 405 | precision is-splot)) | |
| 406 | (if (and (not recompute) | |
| 407 | (equal (cdr (car calc-graph-data-cache)) cache-env)) | |
| 408 | (while (> (length calc-graph-data-cache) | |
| 409 | calc-graph-data-cache-limit) | |
| 410 | (setcdr calc-graph-data-cache | |
| 411 | (cdr (cdr calc-graph-data-cache)))) | |
| 412 | (setq calc-graph-data-cache (list (cons nil cache-env))))) | |
| 413 | (calc-graph-find-plot t t) | |
| 414 | (while (re-search-forward | |
| 415 | (if is-splot | |
| 416 | "{\\([^{}:\n]+\\):\\([^{}:\n]+\\):\\([^{}:\n]+\\)}" | |
| 417 | "{\\([^{}:\n]+\\)\\(:\\)\\([^{}:\n]+\\)}") | |
| 418 | nil t) | |
| 419 | (setq curve-num (1+ curve-num)) | |
| 420 | (let* ((xname (buffer-substring (match-beginning 1) (match-end 1))) | |
| 421 | (xvar (intern (concat "var-" xname))) | |
| 422 | (xvalue (math-evaluate-expr (calc-var-value xvar))) | |
| 423 | (y3name (and is-splot | |
| 424 | (buffer-substring (match-beginning 2) | |
| 425 | (match-end 2)))) | |
| 426 | (y3var (and is-splot (intern (concat "var-" y3name)))) | |
| 427 | (y3value (and is-splot (calc-var-value y3var))) | |
| 428 | (yname (buffer-substring (match-beginning 3) (match-end 3))) | |
| 429 | (yvar (intern (concat "var-" yname))) | |
| 430 | (yvalue (calc-var-value yvar)) | |
| 431 | filename) | |
| 432 | (delete-region (match-beginning 0) (match-end 0)) | |
| 433 | (setq filename (calc-temp-file-name curve-num)) | |
| 434 | (save-excursion | |
| 435 | (set-buffer calcbuf) | |
| 436 | (let (tempbuftop | |
| 437 | (xp xvalue) | |
| 438 | (yp yvalue) | |
| 439 | (zp nil) | |
| 440 | (xlow nil) (xhigh nil) (y3low nil) (y3high nil) | |
| 441 | xvec xval xstep var-DUMMY | |
| 442 | y3vec y3val y3step var-DUMMY2 (zval nil) | |
| 443 | yvec yval ycache ycacheptr yvector | |
| 444 | numsteps numsteps3 | |
| 445 | (keep-file (and (not is-splot) (file-exists-p filename))) | |
| 446 | (stepcount 0) | |
| 447 | (calc-symbolic-mode nil) | |
| 448 | (calc-prefer-frac nil) | |
| 449 | (calc-internal-prec (max 3 precision)) | |
| 450 | (calc-simplify-mode (and (not (memq calc-simplify-mode | |
| 451 | '(none num))) | |
| 452 | calc-simplify-mode)) | |
| 453 | (blank t) | |
| 454 | (non-blank nil) | |
| 455 | (math-working-step 0) | |
| 456 | (math-working-step-2 nil)) | |
| 457 | (save-excursion | |
| 458 | (if is-splot | |
| 459 | (calc-graph-compute-3d) | |
| 460 | (calc-graph-compute-2d)) | |
| 461 | (set-buffer tempbuf) | |
| 462 | (goto-char (point-max)) | |
| 463 | (insert "\n" xname) | |
| 464 | (if is-splot | |
| 465 | (insert ":" y3name)) | |
| 466 | (insert ":" yname "\n\n") | |
| 467 | (setq tempbuftop (point)) | |
| 468 | (let ((calc-group-digits nil) | |
| 469 | (calc-leading-zeros nil) | |
| 470 | (calc-number-radix 10) | |
| 471 | (entry (and (not is-splot) | |
| 472 | (list xp yp xhigh numsteps)))) | |
| 473 | (or (equal entry | |
| 474 | (nth 1 (nth (1+ curve-num) | |
| 475 | calc-graph-file-cache))) | |
| 476 | (setq keep-file nil)) | |
| 477 | (setcar (cdr (nth (1+ curve-num) calc-graph-file-cache)) | |
| 478 | entry) | |
| 479 | (or keep-file | |
| 480 | (calc-graph-format-data))) | |
| 481 | (or keep-file | |
| 482 | (progn | |
| 483 | (or non-blank | |
| 484 | (error "No valid data points for %s:%s" | |
| 485 | xname yname)) | |
| 486 | (write-region tempbuftop (point-max) filename | |
| 487 | nil 'quiet)))))) | |
| 488 | (insert (prin1-to-string filename)))) | |
| 489 | (if surprise-splot | |
| 490 | (setcdr cache-env nil)) | |
| 491 | (if (= curve-num 0) | |
| 492 | (progn | |
| 493 | (calc-gnuplot-command "clear") | |
| 494 | (calc-clear-command-flag 'clear-message) | |
| 495 | (message "No data to plot!")) | |
| 496 | (setq calc-graph-data-cache-limit (max curve-num | |
| 497 | calc-graph-data-cache-limit) | |
| 498 | filename (calc-temp-file-name 0)) | |
| 499 | (write-region (point-min) (point-max) filename nil 'quiet) | |
| 500 | (calc-gnuplot-command "load" (prin1-to-string filename)) | |
| 501 | (or (equal output "STDOUT") | |
| 502 | calc-gnuplot-keep-outfile | |
| 503 | (progn ; need to close the output file before printing/plotting | |
| 504 | (setq calc-graph-last-output "STDOUT") | |
| 505 | (calc-gnuplot-command "set output"))) | |
| 506 | (let ((command (if printing | |
| 507 | calc-gnuplot-print-command | |
| 508 | (or calc-gnuplot-plot-command | |
| 509 | (and (string-match "^dumb" device) | |
| 510 | 'calc-graph-show-dumb) | |
| 511 | (and tty-output | |
| 512 | 'calc-graph-show-tty))))) | |
| 513 | (if command | |
| 514 | (if (stringp command) | |
| 515 | (calc-gnuplot-command | |
| 516 | "!" (format command | |
| 517 | (or tempoutfile | |
| 518 | calc-gnuplot-print-output))) | |
| 519 | (if (symbolp command) | |
| 520 | (funcall command output) | |
| bf77c646 | 521 | (eval command)))))))))) |
| 136211a9 EZ |
522 | |
| 523 | (defun calc-graph-compute-2d () | |
| 524 | (if (setq yvec (eq (car-safe yvalue) 'vec)) | |
| 525 | (if (= (setq numsteps (1- (length yvalue))) 0) | |
| 526 | (error "Can't plot an empty vector") | |
| 527 | (if (setq xvec (eq (car-safe xvalue) 'vec)) | |
| 528 | (or (= (1- (length xvalue)) numsteps) | |
| 529 | (error "%s and %s have different lengths" xname yname)) | |
| 530 | (if (and (eq (car-safe xvalue) 'intv) | |
| 531 | (math-constp xvalue)) | |
| 532 | (setq xstep (math-div (math-sub (nth 3 xvalue) | |
| 533 | (nth 2 xvalue)) | |
| 534 | (1- numsteps)) | |
| 535 | xvalue (nth 2 xvalue)) | |
| 536 | (if (math-realp xvalue) | |
| 537 | (setq xstep 1) | |
| 538 | (error "%s is not a suitable basis for %s" xname yname))))) | |
| 539 | (or (math-realp yvalue) | |
| 540 | (let ((arglist nil)) | |
| 541 | (setq yvalue (math-evaluate-expr yvalue)) | |
| 542 | (calc-default-formula-arglist yvalue) | |
| 543 | (or arglist | |
| 544 | (error "%s does not contain any unassigned variables" yname)) | |
| 545 | (and (cdr arglist) | |
| 546 | (error "%s contains more than one variable: %s" | |
| 547 | yname arglist)) | |
| 548 | (setq yvalue (math-expr-subst yvalue | |
| 549 | (math-build-var-name (car arglist)) | |
| 550 | '(var DUMMY var-DUMMY))))) | |
| 551 | (setq ycache (assoc yvalue calc-graph-data-cache)) | |
| 552 | (delq ycache calc-graph-data-cache) | |
| 553 | (nconc calc-graph-data-cache | |
| 554 | (list (or ycache (setq ycache (list yvalue))))) | |
| 555 | (if (and (not (setq xvec (eq (car-safe xvalue) 'vec))) | |
| 556 | refine (cdr (cdr ycache))) | |
| 557 | (calc-graph-refine-2d) | |
| bf77c646 | 558 | (calc-graph-recompute-2d)))) |
| 136211a9 EZ |
559 | |
| 560 | (defun calc-graph-refine-2d () | |
| 561 | (setq keep-file nil | |
| 562 | ycacheptr (cdr ycache)) | |
| 563 | (if (and (setq xval (calc-graph-find-command "xrange")) | |
| 564 | (string-match "\\`\\[\\([0-9.eE+-]*\\):\\([0-9.eE+-]*\\)\\]\\'" | |
| 565 | xval)) | |
| 566 | (let ((b2 (match-beginning 2)) | |
| 567 | (e2 (match-end 2))) | |
| 568 | (setq xlow (math-read-number (substring xval | |
| 569 | (match-beginning 1) | |
| 570 | (match-end 1))) | |
| 571 | xhigh (math-read-number (substring xval b2 e2)))) | |
| 572 | (if xlow | |
| 573 | (while (and (cdr ycacheptr) | |
| 574 | (Math-lessp (car (nth 1 ycacheptr)) xlow)) | |
| 575 | (setq ycacheptr (cdr ycacheptr))))) | |
| 576 | (setq math-working-step-2 (1- (length ycacheptr))) | |
| 577 | (while (and (cdr ycacheptr) | |
| 578 | (or (not xhigh) | |
| 579 | (Math-lessp (car (car ycacheptr)) xhigh))) | |
| 580 | (setq var-DUMMY (math-div (math-add (car (car ycacheptr)) | |
| 581 | (car (nth 1 ycacheptr))) | |
| 582 | 2) | |
| 583 | math-working-step (1+ math-working-step) | |
| 584 | yval (math-evaluate-expr yvalue)) | |
| 585 | (setcdr ycacheptr (cons (cons var-DUMMY yval) | |
| 586 | (cdr ycacheptr))) | |
| 587 | (setq ycacheptr (cdr (cdr ycacheptr)))) | |
| 588 | (setq yp ycache | |
| bf77c646 | 589 | numsteps 1000000)) |
| 136211a9 EZ |
590 | |
| 591 | (defun calc-graph-recompute-2d () | |
| 592 | (setq ycacheptr ycache) | |
| 593 | (if xvec | |
| 594 | (setq numsteps (1- (length xvalue)) | |
| 595 | yvector nil) | |
| 596 | (if (and (eq (car-safe xvalue) 'intv) | |
| 597 | (math-constp xvalue)) | |
| 598 | (setq numsteps resolution | |
| 599 | yp nil | |
| 600 | xlow (nth 2 xvalue) | |
| 601 | xhigh (nth 3 xvalue) | |
| 602 | xstep (math-div (math-sub xhigh xlow) | |
| 603 | (1- numsteps)) | |
| 604 | xvalue (nth 2 xvalue)) | |
| 605 | (error "%s is not a suitable basis for %s" | |
| 606 | xname yname))) | |
| 607 | (setq math-working-step-2 numsteps) | |
| 608 | (while (>= (setq numsteps (1- numsteps)) 0) | |
| 609 | (setq math-working-step (1+ math-working-step)) | |
| 610 | (if xvec | |
| 611 | (progn | |
| 612 | (setq xp (cdr xp) | |
| 613 | xval (car xp)) | |
| 614 | (and (not (eq ycacheptr ycache)) | |
| 615 | (consp (car ycacheptr)) | |
| 616 | (not (Math-lessp (car (car ycacheptr)) xval)) | |
| 617 | (setq ycacheptr ycache))) | |
| 618 | (if (= numsteps 0) | |
| 619 | (setq xval xhigh) ; avoid cumulative roundoff | |
| 620 | (setq xval xvalue | |
| 621 | xvalue (math-add xvalue xstep)))) | |
| 622 | (while (and (cdr ycacheptr) | |
| 623 | (Math-lessp (car (nth 1 ycacheptr)) xval)) | |
| 624 | (setq ycacheptr (cdr ycacheptr))) | |
| 625 | (or (and (cdr ycacheptr) | |
| 626 | (Math-equal (car (nth 1 ycacheptr)) xval)) | |
| 627 | (progn | |
| 628 | (setq keep-file nil | |
| 629 | var-DUMMY xval) | |
| 630 | (setcdr ycacheptr (cons (cons xval (math-evaluate-expr yvalue)) | |
| 631 | (cdr ycacheptr))))) | |
| 632 | (setq ycacheptr (cdr ycacheptr)) | |
| 633 | (if xvec | |
| 634 | (setq yvector (cons (cdr (car ycacheptr)) yvector)) | |
| 635 | (or yp (setq yp ycacheptr)))) | |
| 636 | (if xvec | |
| 637 | (setq xp xvalue | |
| 638 | yvec t | |
| 639 | yp (cons 'vec (nreverse yvector)) | |
| 640 | numsteps (1- (length xp))) | |
| bf77c646 | 641 | (setq numsteps 1000000))) |
| 136211a9 EZ |
642 | |
| 643 | (defun calc-graph-compute-3d () | |
| 644 | (if (setq yvec (eq (car-safe yvalue) 'vec)) | |
| 645 | (if (math-matrixp yvalue) | |
| 646 | (progn | |
| 647 | (setq numsteps (1- (length yvalue)) | |
| 648 | numsteps3 (1- (length (nth 1 yvalue)))) | |
| 649 | (if (eq (car-safe xvalue) 'vec) | |
| 650 | (or (= (1- (length xvalue)) numsteps) | |
| 651 | (error "%s has wrong length" xname)) | |
| 652 | (if (and (eq (car-safe xvalue) 'intv) | |
| 653 | (math-constp xvalue)) | |
| 654 | (setq xvalue (calcFunc-index numsteps | |
| 655 | (nth 2 xvalue) | |
| 656 | (math-div | |
| 657 | (math-sub (nth 3 xvalue) | |
| 658 | (nth 2 xvalue)) | |
| 659 | (1- numsteps)))) | |
| 660 | (if (math-realp xvalue) | |
| 661 | (setq xvalue (calcFunc-index numsteps xvalue 1)) | |
| 662 | (error "%s is not a suitable basis for %s" xname yname)))) | |
| 663 | (if (eq (car-safe y3value) 'vec) | |
| 664 | (or (= (1- (length y3value)) numsteps3) | |
| 665 | (error "%s has wrong length" y3name)) | |
| 666 | (if (and (eq (car-safe y3value) 'intv) | |
| 667 | (math-constp y3value)) | |
| 668 | (setq y3value (calcFunc-index numsteps3 | |
| 669 | (nth 2 y3value) | |
| 670 | (math-div | |
| 671 | (math-sub (nth 3 y3value) | |
| 672 | (nth 2 y3value)) | |
| 673 | (1- numsteps3)))) | |
| 674 | (if (math-realp y3value) | |
| 675 | (setq y3value (calcFunc-index numsteps3 y3value 1)) | |
| 676 | (error "%s is not a suitable basis for %s" y3name yname)))) | |
| 677 | (setq xp nil | |
| 678 | yp nil | |
| 679 | zp nil | |
| 680 | xvec t) | |
| 681 | (while (setq xvalue (cdr xvalue) yvalue (cdr yvalue)) | |
| 682 | (setq xp (nconc xp (make-list (1+ numsteps3) (car xvalue))) | |
| 683 | yp (nconc yp (cons 0 (copy-sequence (cdr y3value)))) | |
| 684 | zp (nconc zp (cons '(skip) | |
| 685 | (copy-sequence (cdr (car yvalue))))))) | |
| 686 | (setq numsteps (1- (* numsteps (1+ numsteps3))))) | |
| 687 | (if (= (setq numsteps (1- (length yvalue))) 0) | |
| 688 | (error "Can't plot an empty vector")) | |
| 689 | (or (and (eq (car-safe xvalue) 'vec) | |
| 690 | (= (1- (length xvalue)) numsteps)) | |
| 691 | (error "%s is not a suitable basis for %s" xname yname)) | |
| 692 | (or (and (eq (car-safe y3value) 'vec) | |
| 693 | (= (1- (length y3value)) numsteps)) | |
| 694 | (error "%s is not a suitable basis for %s" y3name yname)) | |
| 695 | (setq xp xvalue | |
| 696 | yp y3value | |
| 697 | zp yvalue | |
| 698 | xvec t)) | |
| 699 | (or (math-realp yvalue) | |
| 700 | (let ((arglist nil)) | |
| 701 | (setq yvalue (math-evaluate-expr yvalue)) | |
| 702 | (calc-default-formula-arglist yvalue) | |
| 703 | (setq arglist (sort arglist 'string-lessp)) | |
| 704 | (or (cdr arglist) | |
| 705 | (error "%s does not contain enough unassigned variables" yname)) | |
| 706 | (and (cdr (cdr arglist)) | |
| 707 | (error "%s contains too many variables: %s" yname arglist)) | |
| 708 | (setq yvalue (math-multi-subst yvalue | |
| 709 | (mapcar 'math-build-var-name | |
| 710 | arglist) | |
| 711 | '((var DUMMY var-DUMMY) | |
| 712 | (var DUMMY2 var-DUMMY2)))))) | |
| 713 | (if (setq xvec (eq (car-safe xvalue) 'vec)) | |
| 714 | (setq numsteps (1- (length xvalue))) | |
| 715 | (if (and (eq (car-safe xvalue) 'intv) | |
| 716 | (math-constp xvalue)) | |
| 717 | (setq numsteps resolution | |
| 718 | xvalue (calcFunc-index numsteps | |
| 719 | (nth 2 xvalue) | |
| 720 | (math-div (math-sub (nth 3 xvalue) | |
| 721 | (nth 2 xvalue)) | |
| 722 | (1- numsteps)))) | |
| 723 | (error "%s is not a suitable basis for %s" | |
| 724 | xname yname))) | |
| 725 | (if (setq y3vec (eq (car-safe y3value) 'vec)) | |
| 726 | (setq numsteps3 (1- (length y3value))) | |
| 727 | (if (and (eq (car-safe y3value) 'intv) | |
| 728 | (math-constp y3value)) | |
| 729 | (setq numsteps3 resolution | |
| 730 | y3value (calcFunc-index numsteps3 | |
| 731 | (nth 2 y3value) | |
| 732 | (math-div (math-sub (nth 3 y3value) | |
| 733 | (nth 2 y3value)) | |
| 734 | (1- numsteps3)))) | |
| 735 | (error "%s is not a suitable basis for %s" | |
| 736 | y3name yname))) | |
| 737 | (setq xp nil | |
| 738 | yp nil | |
| 739 | zp nil | |
| 740 | xvec t) | |
| 741 | (setq math-working-step 0) | |
| 742 | (while (setq xvalue (cdr xvalue)) | |
| 743 | (setq xp (nconc xp (make-list (1+ numsteps3) (car xvalue))) | |
| 744 | yp (nconc yp (cons 0 (copy-sequence (cdr y3value)))) | |
| 745 | zp (cons '(skip) zp) | |
| 746 | y3step y3value | |
| 747 | var-DUMMY (car xvalue) | |
| 748 | math-working-step-2 0 | |
| 749 | math-working-step (1+ math-working-step)) | |
| 750 | (while (setq y3step (cdr y3step)) | |
| 751 | (setq math-working-step-2 (1+ math-working-step-2) | |
| 752 | var-DUMMY2 (car y3step) | |
| 753 | zp (cons (math-evaluate-expr yvalue) zp)))) | |
| 754 | (setq zp (nreverse zp) | |
| bf77c646 | 755 | numsteps (1- (* numsteps (1+ numsteps3)))))) |
| 136211a9 EZ |
756 | |
| 757 | (defun calc-graph-format-data () | |
| 758 | (while (<= (setq stepcount (1+ stepcount)) numsteps) | |
| 759 | (if xvec | |
| 760 | (setq xp (cdr xp) | |
| 761 | xval (car xp) | |
| 762 | yp (cdr yp) | |
| 763 | yval (car yp) | |
| 764 | zp (cdr zp) | |
| 765 | zval (car zp)) | |
| 766 | (if yvec | |
| 767 | (setq xval xvalue | |
| 768 | xvalue (math-add xvalue xstep) | |
| 769 | yp (cdr yp) | |
| 770 | yval (car yp)) | |
| 771 | (setq xval (car (car yp)) | |
| 772 | yval (cdr (car yp)) | |
| 773 | yp (cdr yp)) | |
| 774 | (if (or (not yp) | |
| 775 | (and xhigh (equal xval xhigh))) | |
| 776 | (setq numsteps 0)))) | |
| 777 | (if is-splot | |
| 778 | (if (and (eq (car-safe zval) 'calcFunc-xyz) | |
| 779 | (= (length zval) 4)) | |
| 780 | (setq xval (nth 1 zval) | |
| 781 | yval (nth 2 zval) | |
| 782 | zval (nth 3 zval))) | |
| 783 | (if (and (eq (car-safe yval) 'calcFunc-xyz) | |
| 784 | (= (length yval) 4)) | |
| 785 | (progn | |
| 786 | (or surprise-splot | |
| 787 | (save-excursion | |
| 788 | (set-buffer (get-buffer-create "*Gnuplot Temp*")) | |
| 789 | (save-excursion | |
| 790 | (goto-char (point-max)) | |
| 791 | (re-search-backward "^plot[ \t]") | |
| 792 | (insert "set parametric\ns") | |
| 793 | (setq surprise-splot t)))) | |
| 794 | (setq xval (nth 1 yval) | |
| 795 | zval (nth 3 yval) | |
| 796 | yval (nth 2 yval))) | |
| 797 | (if (and (eq (car-safe yval) 'calcFunc-xy) | |
| 798 | (= (length yval) 3)) | |
| 799 | (setq xval (nth 1 yval) | |
| 800 | yval (nth 2 yval))))) | |
| 801 | (if (and (Math-realp xval) | |
| 802 | (Math-realp yval) | |
| 803 | (or (not zval) (Math-realp zval))) | |
| 804 | (progn | |
| 805 | (setq blank nil | |
| 806 | non-blank t) | |
| 807 | (if (Math-integerp xval) | |
| 808 | (insert (math-format-number xval)) | |
| 809 | (if (eq (car xval) 'frac) | |
| 810 | (setq xval (math-float xval))) | |
| 811 | (insert (math-format-number (nth 1 xval)) | |
| 812 | "e" (int-to-string (nth 2 xval)))) | |
| 813 | (insert " ") | |
| 814 | (if (Math-integerp yval) | |
| 815 | (insert (math-format-number yval)) | |
| 816 | (if (eq (car yval) 'frac) | |
| 817 | (setq yval (math-float yval))) | |
| 818 | (insert (math-format-number (nth 1 yval)) | |
| 819 | "e" (int-to-string (nth 2 yval)))) | |
| 820 | (if zval | |
| 821 | (progn | |
| 822 | (insert " ") | |
| 823 | (if (Math-integerp zval) | |
| 824 | (insert (math-format-number zval)) | |
| 825 | (if (eq (car zval) 'frac) | |
| 826 | (setq zval (math-float zval))) | |
| 827 | (insert (math-format-number (nth 1 zval)) | |
| 828 | "e" (int-to-string (nth 2 zval)))))) | |
| 829 | (insert "\n")) | |
| 830 | (and (not (equal zval '(skip))) | |
| 831 | (boundp 'var-PlotRejects) | |
| 832 | (eq (car-safe var-PlotRejects) 'vec) | |
| 833 | (nconc var-PlotRejects | |
| 834 | (list (list 'vec | |
| 835 | curve-num | |
| 836 | stepcount | |
| 837 | xval yval))) | |
| 838 | (calc-refresh-evaltos 'var-PlotRejects)) | |
| 839 | (or blank | |
| 840 | (progn | |
| 841 | (insert "\n") | |
| bf77c646 | 842 | (setq blank t)))))) |
| 136211a9 EZ |
843 | |
| 844 | (defun calc-temp-file-name (num) | |
| 845 | (while (<= (length calc-graph-file-cache) (1+ num)) | |
| 846 | (setq calc-graph-file-cache (nconc calc-graph-file-cache (list nil)))) | |
| 847 | (car (or (nth (1+ num) calc-graph-file-cache) | |
| 848 | (setcar (nthcdr (1+ num) calc-graph-file-cache) | |
| 2c37c14b | 849 | (list (make-temp-file |
| 136211a9 EZ |
850 | (concat calc-gnuplot-tempfile |
| 851 | (if (<= num 0) | |
| 852 | (char-to-string (- ?A num)) | |
| 853 | (int-to-string num)))) | |
| bf77c646 | 854 | nil))))) |
| 136211a9 EZ |
855 | |
| 856 | (defun calc-graph-delete-temps () | |
| 857 | (while calc-graph-file-cache | |
| 858 | (and (car calc-graph-file-cache) | |
| 859 | (file-exists-p (car (car calc-graph-file-cache))) | |
| 860 | (condition-case err | |
| 861 | (delete-file (car (car calc-graph-file-cache))) | |
| 862 | (error nil))) | |
| bf77c646 | 863 | (setq calc-graph-file-cache (cdr calc-graph-file-cache)))) |
| 136211a9 EZ |
864 | |
| 865 | (defun calc-graph-kill-hook () | |
| 866 | (calc-graph-delete-temps) | |
| 867 | (if calc-graph-prev-kill-hook | |
| bf77c646 | 868 | (funcall calc-graph-prev-kill-hook))) |
| 136211a9 EZ |
869 | |
| 870 | (defun calc-graph-show-tty (output) | |
| 871 | "Default calc-gnuplot-plot-command for \"tty\" output mode. | |
| 872 | This is useful for tek40xx and other graphics-terminal types." | |
| 873 | (call-process-region 1 1 shell-file-name | |
| 874 | nil calc-gnuplot-buffer nil | |
| bf77c646 | 875 | "-c" (format "cat %s >/dev/tty; rm %s" output output))) |
| 136211a9 EZ |
876 | |
| 877 | (defun calc-graph-show-dumb (&optional output) | |
| 878 | "Default calc-gnuplot-plot-command for Pinard's \"dumb\" terminal type. | |
| 879 | This \"dumb\" driver will be present in Gnuplot 3.0." | |
| 880 | (interactive) | |
| 881 | (save-window-excursion | |
| 882 | (switch-to-buffer calc-gnuplot-buffer) | |
| 883 | (delete-other-windows) | |
| 884 | (goto-char calc-gnuplot-trail-mark) | |
| 885 | (or (search-forward "\f" nil t) | |
| 886 | (sleep-for 1)) | |
| 887 | (goto-char (point-max)) | |
| 888 | (re-search-backward "\f\\|^[ \t]+\\^$\\|G N U P L O T") | |
| 889 | (setq found-pt (point)) | |
| 890 | (if (looking-at "\f") | |
| 891 | (progn | |
| 892 | (forward-char 1) | |
| 893 | (if (eolp) (forward-line 1)) | |
| 894 | (or (calc-graph-find-command "time") | |
| 895 | (calc-graph-find-command "title") | |
| 896 | (calc-graph-find-command "ylabel") | |
| 897 | (let ((pt (point))) | |
| 898 | (insert-before-markers (format "(%s)" (current-time-string))) | |
| 899 | (goto-char pt))) | |
| 900 | (set-window-start (selected-window) (point)) | |
| 901 | (goto-char (point-max))) | |
| 902 | (end-of-line) | |
| 903 | (backward-char 1) | |
| 904 | (recenter '(4))) | |
| 905 | (or (boundp 'calc-dumb-map) | |
| 906 | (progn | |
| 907 | (setq calc-dumb-map (make-sparse-keymap)) | |
| 908 | (define-key calc-dumb-map "\n" 'scroll-up) | |
| 909 | (define-key calc-dumb-map " " 'scroll-up) | |
| 910 | (define-key calc-dumb-map "\177" 'scroll-down) | |
| 911 | (define-key calc-dumb-map "<" 'scroll-left) | |
| 912 | (define-key calc-dumb-map ">" 'scroll-right) | |
| 913 | (define-key calc-dumb-map "{" 'scroll-down) | |
| 914 | (define-key calc-dumb-map "}" 'scroll-up) | |
| 915 | (define-key calc-dumb-map "q" 'exit-recursive-edit) | |
| 916 | (define-key calc-dumb-map "\C-c\C-c" 'exit-recursive-edit))) | |
| 917 | (use-local-map calc-dumb-map) | |
| 918 | (setq truncate-lines t) | |
| 3132f345 | 919 | (message "Type `q'%s to return to Calc" |
| 136211a9 EZ |
920 | (if (eq (lookup-key (current-global-map) "\e#") 'calc-dispatch) |
| 921 | " or `M-# M-#'" "")) | |
| 922 | (recursive-edit) | |
| bf77c646 | 923 | (bury-buffer "*Gnuplot Trail*"))) |
| 136211a9 EZ |
924 | |
| 925 | (defun calc-graph-clear () | |
| 926 | (interactive) | |
| 927 | (if calc-graph-last-device | |
| 928 | (if (or (equal calc-graph-last-device "x11") | |
| 929 | (equal calc-graph-last-device "X11")) | |
| 930 | (calc-gnuplot-command "set output" | |
| 931 | (if (equal calc-graph-last-output "STDOUT") | |
| 932 | "" | |
| 933 | (prin1-to-string calc-graph-last-output))) | |
| bf77c646 | 934 | (calc-gnuplot-command "clear")))) |
| 136211a9 EZ |
935 | |
| 936 | (defun calc-graph-title-x (title) | |
| 937 | (interactive "sX axis title: ") | |
| 938 | (calc-graph-set-command "xlabel" (if (not (equal title "")) | |
| bf77c646 | 939 | (prin1-to-string title)))) |
| 136211a9 EZ |
940 | |
| 941 | (defun calc-graph-title-y (title) | |
| 942 | (interactive "sY axis title: ") | |
| 943 | (calc-graph-set-command "ylabel" (if (not (equal title "")) | |
| bf77c646 | 944 | (prin1-to-string title)))) |
| 136211a9 EZ |
945 | |
| 946 | (defun calc-graph-title-z (title) | |
| 947 | (interactive "sZ axis title: ") | |
| 948 | (calc-graph-set-command "zlabel" (if (not (equal title "")) | |
| bf77c646 | 949 | (prin1-to-string title)))) |
| 136211a9 EZ |
950 | |
| 951 | (defun calc-graph-range-x (range) | |
| 952 | (interactive "sX axis range: ") | |
| bf77c646 | 953 | (calc-graph-set-range "xrange" range)) |
| 136211a9 EZ |
954 | |
| 955 | (defun calc-graph-range-y (range) | |
| 956 | (interactive "sY axis range: ") | |
| bf77c646 | 957 | (calc-graph-set-range "yrange" range)) |
| 136211a9 EZ |
958 | |
| 959 | (defun calc-graph-range-z (range) | |
| 960 | (interactive "sZ axis range: ") | |
| bf77c646 | 961 | (calc-graph-set-range "zrange" range)) |
| 136211a9 EZ |
962 | |
| 963 | (defun calc-graph-set-range (cmd range) | |
| 964 | (if (equal range "$") | |
| 965 | (calc-wrapper | |
| 966 | (let ((val (calc-top-n 1))) | |
| 967 | (if (and (eq (car-safe val) 'intv) (math-constp val)) | |
| 968 | (setq range (concat | |
| 969 | (math-format-number (math-float (nth 2 val))) ":" | |
| 970 | (math-format-number (math-float (nth 3 val))))) | |
| 971 | (if (and (eq (car-safe val) 'vec) | |
| 972 | (= (length val) 3)) | |
| 973 | (setq range (concat | |
| 974 | (math-format-number (math-float (nth 1 val))) ":" | |
| 975 | (math-format-number (math-float (nth 2 val))))) | |
| 976 | (error "Range specification must be an interval or 2-vector"))) | |
| 977 | (calc-pop-stack 1)))) | |
| 978 | (if (string-match "\\[.+\\]" range) | |
| 979 | (setq range (substring range 1 -1))) | |
| 980 | (if (and (not (string-match ":" range)) | |
| 981 | (or (string-match "," range) | |
| 982 | (string-match " " range))) | |
| 983 | (aset range (match-beginning 0) ?\:)) | |
| 984 | (calc-graph-set-command cmd (if (not (equal range "")) | |
| bf77c646 | 985 | (concat "[" range "]")))) |
| 136211a9 EZ |
986 | |
| 987 | (defun calc-graph-log-x (flag) | |
| 988 | (interactive "P") | |
| bf77c646 | 989 | (calc-graph-set-log flag 0 0)) |
| 136211a9 EZ |
990 | |
| 991 | (defun calc-graph-log-y (flag) | |
| 992 | (interactive "P") | |
| bf77c646 | 993 | (calc-graph-set-log 0 flag 0)) |
| 136211a9 EZ |
994 | |
| 995 | (defun calc-graph-log-z (flag) | |
| 996 | (interactive "P") | |
| bf77c646 | 997 | (calc-graph-set-log 0 0 flag)) |
| 136211a9 EZ |
998 | |
| 999 | (defun calc-graph-set-log (xflag yflag zflag) | |
| 1000 | (let* ((old (or (calc-graph-find-command "logscale") "")) | |
| 1001 | (xold (string-match "x" old)) | |
| 1002 | (yold (string-match "y" old)) | |
| 1003 | (zold (string-match "z" old)) | |
| 1004 | str) | |
| 1005 | (setq str (concat (if (if xflag | |
| 1006 | (if (eq xflag 0) xold | |
| 1007 | (> (prefix-numeric-value xflag) 0)) | |
| 1008 | (not xold)) "x" "") | |
| 1009 | (if (if yflag | |
| 1010 | (if (eq yflag 0) yold | |
| 1011 | (> (prefix-numeric-value yflag) 0)) | |
| 1012 | (not yold)) "y" "") | |
| 1013 | (if (if zflag | |
| 1014 | (if (eq zflag 0) zold | |
| 1015 | (> (prefix-numeric-value zflag) 0)) | |
| 1016 | (not zold)) "z" ""))) | |
| bf77c646 | 1017 | (calc-graph-set-command "logscale" (if (not (equal str "")) str)))) |
| 136211a9 EZ |
1018 | |
| 1019 | (defun calc-graph-line-style (style) | |
| 1020 | (interactive "P") | |
| bf77c646 | 1021 | (calc-graph-set-styles (and style (prefix-numeric-value style)) t)) |
| 136211a9 EZ |
1022 | |
| 1023 | (defun calc-graph-point-style (style) | |
| 1024 | (interactive "P") | |
| bf77c646 | 1025 | (calc-graph-set-styles t (and style (prefix-numeric-value style)))) |
| 136211a9 EZ |
1026 | |
| 1027 | (defun calc-graph-set-styles (lines points) | |
| 1028 | (calc-graph-init) | |
| 1029 | (save-excursion | |
| 1030 | (set-buffer calc-gnuplot-input) | |
| 1031 | (or (calc-graph-find-plot nil nil) | |
| 1032 | (error "No data points have been set!")) | |
| 1033 | (let ((base (point)) | |
| 1034 | (mode nil) (lstyle nil) (pstyle nil) | |
| 1035 | start end lenbl penbl) | |
| 1036 | (re-search-forward "[,\n]") | |
| 1037 | (forward-char -1) | |
| 1038 | (setq end (point) start end) | |
| 1039 | (goto-char base) | |
| 1040 | (if (looking-at "[^,\n]*[^,\n \t]\\([ \t]+with\\)") | |
| 1041 | (progn | |
| 1042 | (setq start (match-beginning 1)) | |
| 1043 | (goto-char (match-end 0)) | |
| 1044 | (if (looking-at "[ \t]+\\([a-z]+\\)") | |
| 1045 | (setq mode (buffer-substring (match-beginning 1) | |
| 1046 | (match-end 1)))) | |
| 1047 | (if (looking-at "[ \ta-z]+\\([0-9]+\\)") | |
| 1048 | (setq lstyle (string-to-int | |
| 1049 | (buffer-substring (match-beginning 1) | |
| 1050 | (match-end 1))))) | |
| 1051 | (if (looking-at "[ \ta-z]+[0-9]+[ \t]+\\([0-9]+\\)") | |
| 1052 | (setq pstyle (string-to-int | |
| 1053 | (buffer-substring (match-beginning 1) | |
| 1054 | (match-end 1))))))) | |
| 1055 | (setq lenbl (or (equal mode "lines") (equal mode "linespoints")) | |
| 1056 | penbl (or (equal mode "points") (equal mode "linespoints"))) | |
| 1057 | (if lines | |
| 1058 | (or (eq lines t) | |
| 1059 | (setq lstyle lines | |
| 1060 | lenbl (>= lines 0))) | |
| 1061 | (setq lenbl (not lenbl))) | |
| 1062 | (if points | |
| 1063 | (or (eq points t) | |
| 1064 | (setq pstyle points | |
| 1065 | penbl (>= points 0))) | |
| 1066 | (setq penbl (not penbl))) | |
| 1067 | (delete-region start end) | |
| 1068 | (goto-char start) | |
| 1069 | (insert " with " | |
| 1070 | (if lenbl | |
| 1071 | (if penbl "linespoints" "lines") | |
| 1072 | (if penbl "points" "dots"))) | |
| 1073 | (if (and pstyle (> pstyle 0)) | |
| 1074 | (insert " " (if (and lstyle (> lstyle 0)) (int-to-string lstyle) "1") | |
| 1075 | " " (int-to-string pstyle)) | |
| 1076 | (if (and lstyle (> lstyle 0)) | |
| 1077 | (insert " " (int-to-string lstyle)))))) | |
| bf77c646 | 1078 | (calc-graph-view-commands)) |
| 136211a9 EZ |
1079 | |
| 1080 | (defun calc-graph-zero-x (flag) | |
| 1081 | (interactive "P") | |
| 1082 | (calc-graph-set-command "noxzeroaxis" | |
| 1083 | (and (if flag | |
| 1084 | (<= (prefix-numeric-value flag) 0) | |
| 1085 | (not (calc-graph-find-command "noxzeroaxis"))) | |
| bf77c646 | 1086 | " "))) |
| 136211a9 EZ |
1087 | |
| 1088 | (defun calc-graph-zero-y (flag) | |
| 1089 | (interactive "P") | |
| 1090 | (calc-graph-set-command "noyzeroaxis" | |
| 1091 | (and (if flag | |
| 1092 | (<= (prefix-numeric-value flag) 0) | |
| 1093 | (not (calc-graph-find-command "noyzeroaxis"))) | |
| bf77c646 | 1094 | " "))) |
| 136211a9 EZ |
1095 | |
| 1096 | (defun calc-graph-name (name) | |
| 1097 | (interactive "sTitle for current curve: ") | |
| 1098 | (calc-graph-init) | |
| 1099 | (save-excursion | |
| 1100 | (set-buffer calc-gnuplot-input) | |
| 1101 | (or (calc-graph-find-plot nil nil) | |
| 1102 | (error "No data points have been set!")) | |
| 1103 | (let ((base (point)) | |
| 1104 | start) | |
| 1105 | (re-search-forward "[,\n]\\|[ \t]+with") | |
| 1106 | (setq end (match-beginning 0)) | |
| 1107 | (goto-char base) | |
| 1108 | (if (looking-at "[^,\n]*[^,\n \t]\\([ \t]+title\\)") | |
| 1109 | (progn | |
| 1110 | (goto-char (match-beginning 1)) | |
| 1111 | (delete-region (point) end)) | |
| 1112 | (goto-char end)) | |
| 1113 | (insert " title " (prin1-to-string name)))) | |
| bf77c646 | 1114 | (calc-graph-view-commands)) |
| 136211a9 EZ |
1115 | |
| 1116 | (defun calc-graph-hide (flag) | |
| 1117 | (interactive "P") | |
| 1118 | (calc-graph-init) | |
| 1119 | (and (calc-graph-find-plot nil nil) | |
| 1120 | (progn | |
| 1121 | (or (looking-at "{") | |
| 1122 | (error "Can't hide this curve (wrong format)")) | |
| 1123 | (forward-char 1) | |
| 1124 | (if (looking-at "*") | |
| 1125 | (if (or (null flag) (<= (prefix-numeric-value flag) 0)) | |
| 1126 | (delete-char 1)) | |
| 1127 | (if (or (null flag) (> (prefix-numeric-value flag) 0)) | |
| bf77c646 | 1128 | (insert "*")))))) |
| 136211a9 EZ |
1129 | |
| 1130 | (defun calc-graph-header (title) | |
| 1131 | (interactive "sTitle for entire graph: ") | |
| 1132 | (calc-graph-set-command "title" (if (not (equal title "")) | |
| bf77c646 | 1133 | (prin1-to-string title)))) |
| 136211a9 EZ |
1134 | |
| 1135 | (defun calc-graph-border (flag) | |
| 1136 | (interactive "P") | |
| 1137 | (calc-graph-set-command "noborder" | |
| 1138 | (and (if flag | |
| 1139 | (<= (prefix-numeric-value flag) 0) | |
| 1140 | (not (calc-graph-find-command "noborder"))) | |
| bf77c646 | 1141 | " "))) |
| 136211a9 EZ |
1142 | |
| 1143 | (defun calc-graph-grid (flag) | |
| 1144 | (interactive "P") | |
| 1145 | (calc-graph-set-command "grid" (and (if flag | |
| 1146 | (> (prefix-numeric-value flag) 0) | |
| 1147 | (not (calc-graph-find-command "grid"))) | |
| bf77c646 | 1148 | " "))) |
| 136211a9 EZ |
1149 | |
| 1150 | (defun calc-graph-key (flag) | |
| 1151 | (interactive "P") | |
| 1152 | (calc-graph-set-command "key" (and (if flag | |
| 1153 | (> (prefix-numeric-value flag) 0) | |
| 1154 | (not (calc-graph-find-command "key"))) | |
| bf77c646 | 1155 | " "))) |
| 136211a9 EZ |
1156 | |
| 1157 | (defun calc-graph-num-points (res flag) | |
| 1158 | (interactive "sNumber of data points: \nP") | |
| 1159 | (if flag | |
| 1160 | (if (> (prefix-numeric-value flag) 0) | |
| 1161 | (if (equal res "") | |
| 3132f345 | 1162 | (message "Default resolution is %d" |
| 136211a9 EZ |
1163 | calc-graph-default-resolution) |
| 1164 | (setq calc-graph-default-resolution (string-to-int res))) | |
| 1165 | (if (equal res "") | |
| 3132f345 | 1166 | (message "Default 3D resolution is %d" |
| 136211a9 EZ |
1167 | calc-graph-default-resolution-3d) |
| 1168 | (setq calc-graph-default-resolution-3d (string-to-int res)))) | |
| bf77c646 | 1169 | (calc-graph-set-command "samples" (if (not (equal res "")) res)))) |
| 136211a9 EZ |
1170 | |
| 1171 | (defun calc-graph-device (name flag) | |
| 1172 | (interactive "sDevice name: \nP") | |
| 1173 | (if (equal name "?") | |
| 1174 | (progn | |
| 1175 | (calc-gnuplot-command "set terminal") | |
| 1176 | (calc-graph-view-trail)) | |
| 1177 | (if flag | |
| 1178 | (if (> (prefix-numeric-value flag) 0) | |
| 1179 | (if (equal name "") | |
| 3132f345 | 1180 | (message "Default GNUPLOT device is \"%s\"" |
| 136211a9 EZ |
1181 | calc-gnuplot-default-device) |
| 1182 | (setq calc-gnuplot-default-device name)) | |
| 1183 | (if (equal name "") | |
| 3132f345 | 1184 | (message "GNUPLOT device for Print command is \"%s\"" |
| 136211a9 EZ |
1185 | calc-gnuplot-print-device) |
| 1186 | (setq calc-gnuplot-print-device name))) | |
| 1187 | (calc-graph-set-command "terminal" (if (not (equal name "")) | |
| bf77c646 | 1188 | name))))) |
| 136211a9 EZ |
1189 | |
| 1190 | (defun calc-graph-output (name flag) | |
| 1191 | (interactive "FOutput file name: \np") | |
| 1192 | (cond ((string-match "\\<[aA][uU][tT][oO]$" name) | |
| 1193 | (setq name "auto")) | |
| 1194 | ((string-match "\\<[tT][tT][yY]$" name) | |
| 1195 | (setq name "tty")) | |
| 1196 | ((string-match "\\<[sS][tT][dD][oO][uU][tT]$" name) | |
| 1197 | (setq name "STDOUT")) | |
| 1198 | ((equal (file-name-nondirectory name) "") | |
| 1199 | (setq name "")) | |
| 1200 | (t (setq name (expand-file-name name)))) | |
| 1201 | (if flag | |
| 1202 | (if (> (prefix-numeric-value flag) 0) | |
| 1203 | (if (equal name "") | |
| 3132f345 | 1204 | (message "Default GNUPLOT output file is \"%s\"" |
| 136211a9 EZ |
1205 | calc-gnuplot-default-output) |
| 1206 | (setq calc-gnuplot-default-output name)) | |
| 1207 | (if (equal name "") | |
| 3132f345 | 1208 | (message "GNUPLOT output file for Print command is \"%s\"" |
| 136211a9 EZ |
1209 | calc-gnuplot-print-output) |
| 1210 | (setq calc-gnuplot-print-output name))) | |
| 1211 | (calc-graph-set-command "output" (if (not (equal name "")) | |
| bf77c646 | 1212 | (prin1-to-string name))))) |
| 136211a9 EZ |
1213 | |
| 1214 | (defun calc-graph-display (name) | |
| 1215 | (interactive "sX display name: ") | |
| 1216 | (if (equal name "") | |
| 3132f345 | 1217 | (message "Current X display is \"%s\"" |
| 136211a9 EZ |
1218 | (or calc-gnuplot-display "<none>")) |
| 1219 | (setq calc-gnuplot-display name) | |
| 1220 | (if (calc-gnuplot-alive) | |
| bf77c646 | 1221 | (calc-gnuplot-command "exit")))) |
| 136211a9 EZ |
1222 | |
| 1223 | (defun calc-graph-geometry (name) | |
| 1224 | (interactive "sX geometry spec (or \"default\"): ") | |
| 1225 | (if (equal name "") | |
| 3132f345 | 1226 | (message "Current X geometry is \"%s\"" |
| 136211a9 EZ |
1227 | (or calc-gnuplot-geometry "default")) |
| 1228 | (setq calc-gnuplot-geometry (and (not (equal name "default")) name)) | |
| 1229 | (if (calc-gnuplot-alive) | |
| bf77c646 | 1230 | (calc-gnuplot-command "exit")))) |
| 136211a9 EZ |
1231 | |
| 1232 | (defun calc-graph-find-command (cmd) | |
| 1233 | (calc-graph-init) | |
| 1234 | (save-excursion | |
| 1235 | (set-buffer calc-gnuplot-input) | |
| 1236 | (goto-char (point-min)) | |
| 1237 | (if (re-search-forward (concat "^set[ \t]+" cmd "[ \t]*\\(.*\\)$") nil t) | |
| bf77c646 | 1238 | (buffer-substring (match-beginning 1) (match-end 1))))) |
| 136211a9 EZ |
1239 | |
| 1240 | (defun calc-graph-set-command (cmd &rest args) | |
| 1241 | (calc-graph-init) | |
| 1242 | (save-excursion | |
| 1243 | (set-buffer calc-gnuplot-input) | |
| 1244 | (goto-char (point-min)) | |
| 1245 | (if (re-search-forward (concat "^set[ \t]+" cmd "[ \t\n]") nil t) | |
| 1246 | (progn | |
| 1247 | (forward-char -1) | |
| 1248 | (end-of-line) | |
| 1249 | (let ((end (point))) | |
| 1250 | (beginning-of-line) | |
| 1251 | (delete-region (point) (1+ end)))) | |
| 1252 | (if (calc-graph-find-plot t t) | |
| 1253 | (if (eq (preceding-char) ?\n) | |
| 1254 | (forward-char -1)) | |
| 1255 | (goto-char (1- (point-max))))) | |
| 1256 | (if (and args (car args)) | |
| 1257 | (progn | |
| 1258 | (or (bolp) | |
| 1259 | (insert "\n")) | |
| 1260 | (insert "set " (mapconcat 'identity (cons cmd args) " ") "\n")))) | |
| bf77c646 | 1261 | (calc-graph-view-commands)) |
| 136211a9 EZ |
1262 | |
| 1263 | (defun calc-graph-command (cmd) | |
| 1264 | (interactive "sGNUPLOT command: ") | |
| 1265 | (calc-wrapper | |
| 1266 | (calc-graph-init) | |
| 1267 | (calc-graph-view-trail) | |
| 1268 | (calc-gnuplot-command cmd) | |
| 1269 | (accept-process-output) | |
| bf77c646 | 1270 | (calc-graph-view-trail))) |
| 136211a9 EZ |
1271 | |
| 1272 | (defun calc-graph-kill (&optional no-view) | |
| 1273 | (interactive) | |
| 1274 | (calc-graph-delete-temps) | |
| 1275 | (if (calc-gnuplot-alive) | |
| 1276 | (calc-wrapper | |
| 1277 | (or no-view (calc-graph-view-trail)) | |
| 1278 | (let ((calc-graph-no-wait t)) | |
| 1279 | (calc-gnuplot-command "exit")) | |
| 1280 | (sit-for 1) | |
| 1281 | (if (process-status calc-gnuplot-process) | |
| 1282 | (delete-process calc-gnuplot-process)) | |
| bf77c646 | 1283 | (setq calc-gnuplot-process nil)))) |
| 136211a9 EZ |
1284 | |
| 1285 | (defun calc-graph-quit () | |
| 1286 | (interactive) | |
| 1287 | (if (get-buffer-window calc-gnuplot-input) | |
| 1288 | (calc-graph-view-commands t)) | |
| 1289 | (if (get-buffer-window calc-gnuplot-buffer) | |
| 1290 | (calc-graph-view-trail t)) | |
| bf77c646 | 1291 | (calc-graph-kill t)) |
| 136211a9 EZ |
1292 | |
| 1293 | (defun calc-graph-view-commands (&optional no-need) | |
| 1294 | (interactive "p") | |
| 1295 | (or calc-graph-no-auto-view (calc-graph-init-buffers)) | |
| bf77c646 | 1296 | (calc-graph-view calc-gnuplot-input calc-gnuplot-buffer (null no-need))) |
| 136211a9 EZ |
1297 | |
| 1298 | (defun calc-graph-view-trail (&optional no-need) | |
| 1299 | (interactive "p") | |
| 1300 | (or calc-graph-no-auto-view (calc-graph-init-buffers)) | |
| bf77c646 | 1301 | (calc-graph-view calc-gnuplot-buffer calc-gnuplot-input (null no-need))) |
| 136211a9 EZ |
1302 | |
| 1303 | (defun calc-graph-view (buf other-buf need) | |
| 1304 | (let (win) | |
| 1305 | (or calc-graph-no-auto-view | |
| 1306 | (if (setq win (get-buffer-window buf)) | |
| 1307 | (or need | |
| 1308 | (and (eq buf calc-gnuplot-buffer) | |
| 1309 | (save-excursion | |
| 1310 | (set-buffer buf) | |
| 1311 | (not (pos-visible-in-window-p (point-max) win)))) | |
| 1312 | (progn | |
| 1313 | (bury-buffer buf) | |
| 1314 | (bury-buffer other-buf) | |
| 1315 | (let ((curwin (selected-window))) | |
| 1316 | (select-window win) | |
| 1317 | (switch-to-buffer nil) | |
| 1318 | (select-window curwin)))) | |
| 1319 | (if (setq win (get-buffer-window other-buf)) | |
| 1320 | (set-window-buffer win buf) | |
| 1321 | (if (eq major-mode 'calc-mode) | |
| 1322 | (if (or need | |
| 8f66f479 | 1323 | (< (window-height) (1- (frame-height)))) |
| 136211a9 EZ |
1324 | (display-buffer buf)) |
| 1325 | (switch-to-buffer buf))))) | |
| 1326 | (save-excursion | |
| 1327 | (set-buffer buf) | |
| 1328 | (if (and (eq buf calc-gnuplot-buffer) | |
| 1329 | (setq win (get-buffer-window buf)) | |
| 1330 | (not (pos-visible-in-window-p (point-max) win))) | |
| 1331 | (progn | |
| 1332 | (goto-char (point-max)) | |
| 1333 | (vertical-motion (- 6 (window-height win))) | |
| 1334 | (set-window-start win (point)) | |
| 1335 | (goto-char (point-max))))) | |
| bf77c646 | 1336 | (or calc-graph-no-auto-view (sit-for 0)))) |
| 136211a9 EZ |
1337 | |
| 1338 | (defun calc-gnuplot-check-for-errors () | |
| 1339 | (if (save-excursion | |
| 1340 | (prog2 | |
| 1341 | (progn | |
| 1342 | (set-buffer calc-gnuplot-buffer) | |
| 1343 | (goto-char calc-gnuplot-last-error-pos)) | |
| 1344 | (re-search-forward "^[ \t]+\\^$" nil t) | |
| 1345 | (goto-char (point-max)) | |
| 1346 | (setq calc-gnuplot-last-error-pos (point-max)))) | |
| bf77c646 | 1347 | (calc-graph-view-trail))) |
| 136211a9 EZ |
1348 | |
| 1349 | (defun calc-gnuplot-command (&rest args) | |
| 1350 | (calc-graph-init) | |
| 1351 | (let ((cmd (concat (mapconcat 'identity args " ") "\n"))) | |
| 1352 | (accept-process-output) | |
| 1353 | (save-excursion | |
| 1354 | (set-buffer calc-gnuplot-buffer) | |
| 1355 | (calc-gnuplot-check-for-errors) | |
| 1356 | (goto-char (point-max)) | |
| 1357 | (setq calc-gnuplot-trail-mark (point)) | |
| 1358 | (or (>= calc-gnuplot-version 3) | |
| 1359 | (insert cmd)) | |
| 1360 | (set-marker (process-mark calc-gnuplot-process) (point)) | |
| 1361 | (process-send-string calc-gnuplot-process cmd) | |
| 1362 | (if (get-buffer-window calc-gnuplot-buffer) | |
| 1363 | (calc-graph-view-trail)) | |
| 1364 | (accept-process-output (and (not calc-graph-no-wait) | |
| 1365 | calc-gnuplot-process)) | |
| 1366 | (calc-gnuplot-check-for-errors) | |
| 1367 | (if (get-buffer-window calc-gnuplot-buffer) | |
| bf77c646 | 1368 | (calc-graph-view-trail))))) |
| 136211a9 EZ |
1369 | |
| 1370 | (defun calc-graph-init-buffers () | |
| 1371 | (or (and calc-gnuplot-buffer | |
| 1372 | (buffer-name calc-gnuplot-buffer)) | |
| 1373 | (setq calc-gnuplot-buffer (get-buffer-create "*Gnuplot Trail*"))) | |
| 1374 | (or (and calc-gnuplot-input | |
| 1375 | (buffer-name calc-gnuplot-input)) | |
| bf77c646 | 1376 | (setq calc-gnuplot-input (get-buffer-create "*Gnuplot Commands*")))) |
| 136211a9 EZ |
1377 | |
| 1378 | (defun calc-graph-init () | |
| 1379 | (or (calc-gnuplot-alive) | |
| 1380 | (let ((process-connection-type t) | |
| 1381 | origin) | |
| 1382 | (if calc-gnuplot-process | |
| 1383 | (progn | |
| 1384 | (delete-process calc-gnuplot-process) | |
| 1385 | (setq calc-gnuplot-process nil))) | |
| 1386 | (calc-graph-init-buffers) | |
| 1387 | (save-excursion | |
| 1388 | (set-buffer calc-gnuplot-buffer) | |
| 1389 | (insert "\nStarting gnuplot...\n") | |
| 1390 | (setq origin (point))) | |
| 1391 | (setq calc-graph-last-device nil) | |
| 1392 | (setq calc-graph-last-output nil) | |
| 1393 | (condition-case err | |
| 1394 | (let ((args (append (and calc-gnuplot-display | |
| 1395 | (not (equal calc-gnuplot-display | |
| 1396 | (getenv "DISPLAY"))) | |
| 1397 | (list "-display" | |
| 1398 | calc-gnuplot-display)) | |
| 1399 | (and calc-gnuplot-geometry | |
| 1400 | (list "-geometry" | |
| 1401 | calc-gnuplot-geometry))))) | |
| a1506d29 | 1402 | (setq calc-gnuplot-process |
| 136211a9 EZ |
1403 | (apply 'start-process |
| 1404 | "gnuplot" | |
| 1405 | calc-gnuplot-buffer | |
| 1406 | calc-gnuplot-name | |
| 1407 | args)) | |
| 1408 | (process-kill-without-query calc-gnuplot-process)) | |
| 1409 | (file-error | |
| 3132f345 | 1410 | (error "Sorry, can't find \"%s\" on your system" |
| 136211a9 EZ |
1411 | calc-gnuplot-name))) |
| 1412 | (save-excursion | |
| 1413 | (set-buffer calc-gnuplot-buffer) | |
| 1414 | (while (and (not (save-excursion | |
| 1415 | (goto-char origin) | |
| 1416 | (search-forward "gnuplot> " nil t))) | |
| 1417 | (memq (process-status calc-gnuplot-process) '(run stop))) | |
| 1418 | (accept-process-output calc-gnuplot-process)) | |
| 1419 | (or (memq (process-status calc-gnuplot-process) '(run stop)) | |
| 3132f345 | 1420 | (error "Unable to start GNUPLOT process")) |
| 136211a9 EZ |
1421 | (if (save-excursion |
| 1422 | (goto-char origin) | |
| 1423 | (re-search-forward | |
| 1424 | "G N U P L O T.*\n.*version \\([0-9]+\\)\\." nil t)) | |
| 1425 | (setq calc-gnuplot-version (string-to-int (buffer-substring | |
| 1426 | (match-beginning 1) | |
| 1427 | (match-end 1)))) | |
| 1428 | (setq calc-gnuplot-version 1)) | |
| 1429 | (goto-char (point-max))))) | |
| 1430 | (save-excursion | |
| 1431 | (set-buffer calc-gnuplot-input) | |
| 1432 | (if (= (buffer-size) 0) | |
| 1433 | (insert "# Commands for running gnuplot\n\n\n") | |
| 1434 | (or calc-graph-no-auto-view | |
| 1435 | (eq (char-after (1- (point-max))) ?\n) | |
| 1436 | (progn | |
| 1437 | (goto-char (point-max)) | |
| bf77c646 | 1438 | (insert "\n")))))) |
| 136211a9 | 1439 | |
| ab5796a9 | 1440 | ;;; arch-tag: e4b06a52-c386-4d54-a2bb-7c0a0ef533c2 |
| bf77c646 | 1441 | ;;; calc-graph.el ends here |