-;;; org-plot.el --- Support for plotting from Org-mode\r
-\r
-;; Copyright (C) 2008 Free Software Foundation, Inc.\r
-;;\r
-;; Author: Eric Schulte <schulte dot eric at gmail dot com>\r
-;; Keywords: tables, plotting\r
-;; Homepage: http://orgmode.org\r
-;; Version: 6.06b\r
-;;\r
-;; This file is part of GNU Emacs.\r
-;;\r
-;; GNU Emacs is free software: you can redistribute it and/or modify\r
-;; it under the terms of the GNU General Public License as published by\r
-;; the Free Software Foundation, either version 3 of the License, or\r
-;; (at your option) any later version.\r
-\r
-;; GNU Emacs is distributed in the hope that it will be useful,\r
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-;; GNU General Public License for more details.\r
-\r
-;; You should have received a copy of the GNU General Public License\r
-;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.\r
-\r
-;;; Commentary:\r
-\r
-;; Borrows ideas and a couple of lines of code from org-exp.el.\r
-\r
-;; Thanks to the org-mode mailing list for testing and implementation\r
-;; and feature suggestions\r
-\r
-;;; Code:\r
-(require 'org)\r
-(require 'org-exp)\r
-(require 'org-table)\r
-(eval-and-compile\r
- (require 'cl))\r
-\r
-(declare-function gnuplot-delchar-or-maybe-eof "ext:gnuplot" (arg))\r
-(declare-function gnuplot-mode "ext:gnuplot" ())\r
-(declare-function gnuplot-send-buffer-to-gnuplot "ext:gnuplot" ())\r
-\r
-(defvar org-plot/gnuplot-default-options\r
- '((:plot-type . 2d)\r
- (:with . lines)\r
- (:ind . 0))\r
- "Default options to gnuplot used by `org-plot/gnuplot'")\r
-\r
-(defun org-plot/add-options-to-plist (p options)\r
- "Parse an OPTIONS line and set values in the property list P.\r
-Returns the resulting property list."\r
- (let (o)\r
- (when options\r
- (let ((op '(("type" . :plot-type)\r
- ("script" . :script)\r
- ("line" . :line)\r
- ("set" . :set)\r
- ("title" . :title)\r
- ("ind" . :ind)\r
- ("deps" . :deps)\r
- ("with" . :with)\r
- ("file" . :file)\r
- ("labels" . :labels)\r
- ("map" . :map)))\r
- (multiples '("set" "line"))\r
- (regexp ":\\([\"][^\"]+?[\"]\\|[(][^)]+?[)]\\|[^ \t\n\r;,.]*\\)")\r
- (start 0)\r
- o)\r
- (while (setq o (pop op))\r
- (if (member (car o) multiples) ;; keys with multiple values\r
- (while (string-match\r
- (concat (regexp-quote (car o)) regexp)\r
- options start)\r
- (setq start (match-end 0))\r
- (setq p (plist-put p (cdr o)\r
- (cons (car (read-from-string\r
- (match-string 1 options)))\r
- (plist-get p (cdr o)))))\r
- p)\r
- (if (string-match (concat (regexp-quote (car o)) regexp)\r
- options)\r
- (setq p (plist-put p (cdr o)\r
- (car (read-from-string\r
- (match-string 1 options)))))))))))\r
- p)\r
-\r
-(defun org-plot/goto-nearest-table ()\r
- "Move the point forward to the beginning of nearest table.\r
-Return value is the point at the beginning of the table."\r
- (interactive) (move-beginning-of-line 1)\r
- (while (not (or (org-at-table-p) (< 0 (forward-line 1)))))\r
- (goto-char (org-table-begin)))\r
-\r
-(defun org-plot/collect-options (&optional params)\r
- "Collect options from an org-plot '#+Plot:' line.\r
-Accepts an optional property list PARAMS, to which the options\r
-will be added. Returns the resulting property list."\r
- (interactive)\r
- (let ((line (thing-at-point 'line)))\r
- (if (string-match "#\\+PLOT: +\\(.*\\)$" line)\r
- (org-plot/add-options-to-plist params (match-string 1 line))\r
- params)))\r
-\r
-(defun org-plot-quote-tsv-field (s)\r
- "Quote field S for export to gnuplot."\r
- (if (string-match org-table-number-regexp s) s\r
- (concat "\"" (mapconcat 'identity (split-string s "\"") "\"\"") "\"")))\r
-\r
-(defun org-plot/gnuplot-to-data (table data-file params)\r
- "Export TABLE to DATA-FILE in a format readable by gnuplot.\r
-Pass PARAMS through to `orgtbl-to-generic' when exporting TABLE."\r
- (with-temp-file\r
- data-file (insert (orgtbl-to-generic\r
- table\r
- (org-combine-plists\r
- '(:sep "\t" :fmt org-plot-quote-tsv-field)\r
- params))))\r
- nil)\r
-\r
-(defun org-plot/gnuplot-to-grid-data (table data-file params)\r
- "Export the data in TABLE to DATA-FILE for gnuplot.\r
-This means, in a format appropriate for grid plotting by gnuplot.\r
-PARAMS specifies which columns of TABLE should be plotted as independant\r
-and dependant variables."\r
- (interactive)\r
- (let* ((ind (- (plist-get params :ind) 1))\r
- (deps (if (plist-member params :deps)\r
- (mapcar (lambda (val) (- val 1)) (plist-get params :deps))\r
- (let (collector)\r
- (dotimes (col (length (first table)))\r
- (setf collector (cons col collector)))\r
- collector)))\r
- row-vals (counter 0))\r
- (when (>= ind 0) ;; collect values of ind col\r
- (setf row-vals (mapcar (lambda (row) (setf counter (+ 1 counter))\r
- (cons counter (nth ind row))) table)))\r
- (when (or deps (>= ind 0)) ;; remove non-plotting columns\r
- (setf deps (delq ind deps))\r
- (setf table (mapcar (lambda (row)\r
- (dotimes (col (length row))\r
- (unless (memq col deps)\r
- (setf (nth col row) nil)))\r
- (delq nil row))\r
- table)))\r
- ;; write table to gnuplot grid datafile format\r
- (with-temp-file data-file\r
- (let ((num-rows (length table)) (num-cols (length (first table)))\r
- front-edge back-edge)\r
- (flet ((gnuplot-row (col row value)\r
- (setf col (+ 1 col)) (setf row (+ 1 row))\r
- (format "%f %f %f\n%f %f %f\n"\r
- col (- row 0.5) value ;; lower edge\r
- col (+ row 0.5) value))) ;; upper edge\r
- (dotimes (col num-cols)\r
- (dotimes (row num-rows)\r
- (setf back-edge\r
- (concat back-edge\r
- (gnuplot-row (- col 1) row (string-to-number\r
- (nth col (nth row table))))))\r
- (setf front-edge\r
- (concat front-edge\r
- (gnuplot-row col row (string-to-number\r
- (nth col (nth row table)))))))\r
- ;; only insert once per row\r
- (insert back-edge) (insert "\n") ;; back edge\r
- (insert front-edge) (insert "\n") ;; front edge\r
- (setf back-edge "") (setf front-edge "")))))\r
- row-vals))\r
-\r
-(defun org-plot/gnuplot-script (data-file num-cols params)\r
- "Write a gnuplot script to DATA-FILE respecting the options set in PARAMS.\r
-NUM-COLS controls the number of columns plotted in a 2-d plot."\r
- (let* ((type (plist-get params :plot-type))\r
- (with (if (equal type 'grid)\r
- 'pm3d\r
- (plist-get params :with)))\r
- (sets (plist-get params :set))\r
- (lines (plist-get params :line))\r
- (map (plist-get params :map))\r
- (title (plist-get params :title))\r
- (file (plist-get params :file))\r
- (ind (plist-get params :ind))\r
- (text-ind (plist-get params :textind))\r
- (deps (if (plist-member params :deps) (plist-get params :deps)))\r
- (col-labels (plist-get params :labels))\r
- (x-labels (plist-get params :xlabels))\r
- (y-labels (plist-get params :ylabels))\r
- (plot-str "'%s' using %s%d%s with %s title '%s'")\r
- (plot-cmd (case type\r
- ('2d "plot")\r
- ('3d "splot")\r
- ('grid "splot")))\r
- (script "reset") plot-lines)\r
- (flet ((add-to-script (line) (setf script (format "%s\n%s" script line))))\r
- (when file ;; output file\r
- (add-to-script (format "set term %s" (file-name-extension file)))\r
- (add-to-script (format "set output '%s'" file)))\r
- (case type ;; type\r
- ('2d ())\r
- ('3d (if map (add-to-script "set map")))\r
- ('grid (if map\r
- (add-to-script "set pm3d map")\r
- (add-to-script "set pm3d"))))\r
- (when title (add-to-script (format "set title '%s'" title))) ;; title\r
- (when lines (mapc (lambda (el) (add-to-script el)) lines)) ;; line\r
- (when sets ;; set\r
- (mapc (lambda (el) (add-to-script (format "set %s" el))) sets))\r
- (when x-labels ;; x labels (xtics)\r
- (add-to-script\r
- (format "set xtics (%s)"\r
- (mapconcat (lambda (pair)\r
- (format "\"%s\" %d" (cdr pair) (car pair)))\r
- x-labels ", "))))\r
- (when y-labels ;; y labels (ytics)\r
- (add-to-script\r
- (format "set ytics (%s)"\r
- (mapconcat (lambda (pair)\r
- (format "\"%s\" %d" (cdr pair) (car pair)))\r
- y-labels ", "))))\r
- (case type ;; plot command\r
- ('2d (dotimes (col num-cols)\r
- (unless (and (equal type '2d)\r
- (or (and ind (equal (+ 1 col) ind))\r
- (and deps (not (member (+ 1 col) deps)))))\r
- (setf plot-lines\r
- (cons\r
- (format plot-str data-file\r
- (or (and (not text-ind) ind\r
- (> ind 0) (format "%d:" ind)) "")\r
- (+ 1 col)\r
- (if text-ind (format ":xticlabel(%d)" ind) "")\r
- with\r
- (or (nth col col-labels) (format "%d" (+ 1 col))))\r
- plot-lines)))))\r
- ('3d\r
- (setq plot-lines (list (format "'%s' matrix with %s title ''"\r
- data-file with))))\r
- ('grid\r
- (setq plot-lines (list (format "'%s' with %s title ''"\r
- data-file with)))))\r
- (add-to-script\r
- (concat plot-cmd " " (mapconcat 'identity (reverse plot-lines) ",\\\n ")))\r
- script)))\r
-\r
-;;-----------------------------------------------------------------------------\r
-;; facade functions\r
-;;;###autoload\r
-(defun org-plot/gnuplot (&optional params)\r
- "Plot table using gnuplot. Gnuplot options can be specified with PARAMS.\r
-If not given options will be taken from the +PLOT\r
-line directly before or after the table."\r
- (interactive)\r
- (require 'gnuplot)\r
- (save-window-excursion\r
- (delete-other-windows)\r
- (when (get-buffer "*gnuplot*") ;; reset *gnuplot* if it already running\r
- (save-excursion\r
- (set-buffer "*gnuplot*") (goto-char (point-max))\r
- (gnuplot-delchar-or-maybe-eof nil)))\r
- (org-plot/goto-nearest-table)\r
- ;; set default options\r
- (mapc\r
- (lambda (pair)\r
- (unless (plist-member params (car pair))\r
- (setf params (plist-put params (car pair) (cdr pair)))))\r
- org-plot/gnuplot-default-options)\r
- ;; collect table and table information\r
- (let* ((data-file (make-temp-file "org-plot"))\r
- (table (org-table-to-lisp))\r
- (num-cols (length (if (eq (first table) 'hline) (second table)\r
- (first table)))))\r
- (while (equal 'hline (first table)) (setf table (cdr table)))\r
- (when (equal (second table) 'hline)\r
- (setf params (plist-put params :labels (first table))) ;; headers to labels\r
- (setf table (delq 'hline (cdr table)))) ;; clean non-data from table\r
- ;; collect options\r
- (save-excursion (while (and (equal 0 (forward-line -1))\r
- (looking-at "#\\+"))\r
- (setf params (org-plot/collect-options params))))\r
- ;; dump table to datafile (very different for grid)\r
- (case (plist-get params :plot-type)\r
- ('2d (org-plot/gnuplot-to-data table data-file params))\r
- ('3d (org-plot/gnuplot-to-data table data-file params))\r
- ('grid (let ((y-labels (org-plot/gnuplot-to-grid-data\r
- table data-file params)))\r
- (when y-labels (plist-put params :ylabels y-labels)))))\r
- ;; check for text ind column\r
- (let ((ind (- (plist-get params :ind) 1)))\r
- (when (and (>= ind 0) (equal '2d (plist-get params :plot-type)))\r
- (if (> (length\r
- (delq 0 (mapcar\r
- (lambda (el)\r
- (if (string-match org-table-number-regexp el)\r
- 0 1))\r
- (mapcar (lambda (row) (nth ind row)) table)))) 0)\r
- (plist-put params :textind t))))\r
- ;; write script\r
- (with-temp-buffer\r
- (if (plist-get params :script) ;; user script\r
- (progn (insert-file-contents (plist-get params :script))\r
- (goto-char (point-min))\r
- (while (re-search-forward "$datafile" nil t)\r
- (replace-match data-file nil nil)))\r
- (insert\r
- (org-plot/gnuplot-script data-file num-cols params)))\r
- ;; graph table\r
- (gnuplot-mode)\r
- (gnuplot-send-buffer-to-gnuplot))\r
- ;; cleanup\r
- (bury-buffer (get-buffer "*gnuplot*"))(delete-file data-file))))\r
-\r
-(provide 'org-plot)\r
-\r
-;;; org-plot.el ends here\r
+;;; org-plot.el --- Support for plotting from Org-mode
+
+;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+;;
+;; Author: Eric Schulte <schulte dot eric at gmail dot com>
+;; Keywords: tables, plotting
+;; Homepage: http://orgmode.org
+;; Version: 6.33c
+;;
+;; This file is part of GNU Emacs.
+;;
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Borrows ideas and a couple of lines of code from org-exp.el.
+
+;; Thanks to the org-mode mailing list for testing and implementation
+;; and feature suggestions
+
+;;; Code:
+(require 'org)
+(require 'org-exp)
+(require 'org-table)
+(eval-when-compile
+ (require 'cl))
+
+(declare-function gnuplot-delchar-or-maybe-eof "ext:gnuplot" (arg))
+(declare-function gnuplot-mode "ext:gnuplot" ())
+(declare-function gnuplot-send-buffer-to-gnuplot "ext:gnuplot" ())
+
+(defvar org-plot/gnuplot-default-options
+ '((:plot-type . 2d)
+ (:with . lines)
+ (:ind . 0))
+ "Default options to gnuplot used by `org-plot/gnuplot'")
+
+(defvar org-plot-timestamp-fmt nil)
+
+(defun org-plot/add-options-to-plist (p options)
+ "Parse an OPTIONS line and set values in the property list P.
+Returns the resulting property list."
+ (let (o)
+ (when options
+ (let ((op '(("type" . :plot-type)
+ ("script" . :script)
+ ("line" . :line)
+ ("set" . :set)
+ ("title" . :title)
+ ("ind" . :ind)
+ ("deps" . :deps)
+ ("with" . :with)
+ ("file" . :file)
+ ("labels" . :labels)
+ ("map" . :map)
+ ("timeind" . :timeind)
+ ("timefmt" . :timefmt)))
+ (multiples '("set" "line"))
+ (regexp ":\\([\"][^\"]+?[\"]\\|[(][^)]+?[)]\\|[^ \t\n\r;,.]*\\)")
+ (start 0)
+ o)
+ (while (setq o (pop op))
+ (if (member (car o) multiples) ;; keys with multiple values
+ (while (string-match
+ (concat (regexp-quote (car o)) regexp)
+ options start)
+ (setq start (match-end 0))
+ (setq p (plist-put p (cdr o)
+ (cons (car (read-from-string
+ (match-string 1 options)))
+ (plist-get p (cdr o)))))
+ p)
+ (if (string-match (concat (regexp-quote (car o)) regexp)
+ options)
+ (setq p (plist-put p (cdr o)
+ (car (read-from-string
+ (match-string 1 options)))))))))))
+ p)
+
+(defun org-plot/goto-nearest-table ()
+ "Move the point forward to the beginning of nearest table.
+Return value is the point at the beginning of the table."
+ (interactive) (move-beginning-of-line 1)
+ (while (not (or (org-at-table-p) (< 0 (forward-line 1)))))
+ (goto-char (org-table-begin)))
+
+(defun org-plot/collect-options (&optional params)
+ "Collect options from an org-plot '#+Plot:' line.
+Accepts an optional property list PARAMS, to which the options
+will be added. Returns the resulting property list."
+ (interactive)
+ (let ((line (thing-at-point 'line)))
+ (if (string-match "#\\+PLOT: +\\(.*\\)$" line)
+ (org-plot/add-options-to-plist params (match-string 1 line))
+ params)))
+
+(defun org-plot-quote-timestamp-field (s)
+ "Convert field S from timestamp to Unix time and export to gnuplot."
+ (format-time-string org-plot-timestamp-fmt (org-time-string-to-time s)))
+
+(defun org-plot-quote-tsv-field (s)
+ "Quote field S for export to gnuplot."
+ (if (string-match org-table-number-regexp s) s
+ (if (string-match org-ts-regexp3 s)
+ (org-plot-quote-timestamp-field s)
+ (concat "\"" (mapconcat 'identity (split-string s "\"") "\"\"") "\""))))
+
+(defun org-plot/gnuplot-to-data (table data-file params)
+ "Export TABLE to DATA-FILE in a format readable by gnuplot.
+Pass PARAMS through to `orgtbl-to-generic' when exporting TABLE."
+ (with-temp-file
+ data-file
+ (make-local-variable 'org-plot-timestamp-fmt)
+ (setq org-plot-timestamp-fmt (or
+ (plist-get params :timefmt)
+ "%Y-%m-%d-%H:%M:%S"))
+ (insert (orgtbl-to-generic
+ table
+ (org-combine-plists
+ '(:sep "\t" :fmt org-plot-quote-tsv-field)
+ params))))
+ nil)
+
+(defun org-plot/gnuplot-to-grid-data (table data-file params)
+ "Export the data in TABLE to DATA-FILE for gnuplot.
+This means, in a format appropriate for grid plotting by gnuplot.
+PARAMS specifies which columns of TABLE should be plotted as independent
+and dependant variables."
+ (interactive)
+ (let* ((ind (- (plist-get params :ind) 1))
+ (deps (if (plist-member params :deps)
+ (mapcar (lambda (val) (- val 1)) (plist-get params :deps))
+ (let (collector)
+ (dotimes (col (length (first table)))
+ (setf collector (cons col collector)))
+ collector)))
+ row-vals (counter 0))
+ (when (>= ind 0) ;; collect values of ind col
+ (setf row-vals (mapcar (lambda (row) (setf counter (+ 1 counter))
+ (cons counter (nth ind row))) table)))
+ (when (or deps (>= ind 0)) ;; remove non-plotting columns
+ (setf deps (delq ind deps))
+ (setf table (mapcar (lambda (row)
+ (dotimes (col (length row))
+ (unless (memq col deps)
+ (setf (nth col row) nil)))
+ (delq nil row))
+ table)))
+ ;; write table to gnuplot grid datafile format
+ (with-temp-file data-file
+ (let ((num-rows (length table)) (num-cols (length (first table)))
+ front-edge back-edge)
+ (flet ((gnuplot-row (col row value)
+ (setf col (+ 1 col)) (setf row (+ 1 row))
+ (format "%f %f %f\n%f %f %f\n"
+ col (- row 0.5) value ;; lower edge
+ col (+ row 0.5) value))) ;; upper edge
+ (dotimes (col num-cols)
+ (dotimes (row num-rows)
+ (setf back-edge
+ (concat back-edge
+ (gnuplot-row (- col 1) row (string-to-number
+ (nth col (nth row table))))))
+ (setf front-edge
+ (concat front-edge
+ (gnuplot-row col row (string-to-number
+ (nth col (nth row table)))))))
+ ;; only insert once per row
+ (insert back-edge) (insert "\n") ;; back edge
+ (insert front-edge) (insert "\n") ;; front edge
+ (setf back-edge "") (setf front-edge "")))))
+ row-vals))
+
+(defun org-plot/gnuplot-script (data-file num-cols params &optional preface)
+ "Write a gnuplot script to DATA-FILE respecting the options set in PARAMS.
+NUM-COLS controls the number of columns plotted in a 2-d plot.
+Optional argument PREFACE returns only option parameters in a
+manner suitable for prepending to a user-specified script."
+ (let* ((type (plist-get params :plot-type))
+ (with (if (equal type 'grid)
+ 'pm3d
+ (plist-get params :with)))
+ (sets (plist-get params :set))
+ (lines (plist-get params :line))
+ (map (plist-get params :map))
+ (title (plist-get params :title))
+ (file (plist-get params :file))
+ (ind (plist-get params :ind))
+ (time-ind (plist-get params :timeind))
+ (timefmt (plist-get params :timefmt))
+ (text-ind (plist-get params :textind))
+ (deps (if (plist-member params :deps) (plist-get params :deps)))
+ (col-labels (plist-get params :labels))
+ (x-labels (plist-get params :xlabels))
+ (y-labels (plist-get params :ylabels))
+ (plot-str "'%s' using %s%d%s with %s title '%s'")
+ (plot-cmd (case type
+ ('2d "plot")
+ ('3d "splot")
+ ('grid "splot")))
+ (script "reset") plot-lines)
+ (flet ((add-to-script (line) (setf script (format "%s\n%s" script line))))
+ (when file ;; output file
+ (add-to-script (format "set term %s" (file-name-extension file)))
+ (add-to-script (format "set output '%s'" file)))
+ (case type ;; type
+ ('2d ())
+ ('3d (if map (add-to-script "set map")))
+ ('grid (if map
+ (add-to-script "set pm3d map")
+ (add-to-script "set pm3d"))))
+ (when title (add-to-script (format "set title '%s'" title))) ;; title
+ (when lines (mapc (lambda (el) (add-to-script el)) lines)) ;; line
+ (when sets ;; set
+ (mapc (lambda (el) (add-to-script (format "set %s" el))) sets))
+ (when x-labels ;; x labels (xtics)
+ (add-to-script
+ (format "set xtics (%s)"
+ (mapconcat (lambda (pair)
+ (format "\"%s\" %d" (cdr pair) (car pair)))
+ x-labels ", "))))
+ (when y-labels ;; y labels (ytics)
+ (add-to-script
+ (format "set ytics (%s)"
+ (mapconcat (lambda (pair)
+ (format "\"%s\" %d" (cdr pair) (car pair)))
+ y-labels ", "))))
+ (when time-ind ;; timestamp index
+ (add-to-script "set xdata time")
+ (add-to-script (concat "set timefmt \""
+ (or timefmt ;; timefmt passed to gnuplot
+ "%Y-%m-%d-%H:%M:%S") "\"")))
+ (unless preface
+ (case type ;; plot command
+ ('2d (dotimes (col num-cols)
+ (unless (and (equal type '2d)
+ (or (and ind (equal (+ 1 col) ind))
+ (and deps (not (member (+ 1 col) deps)))))
+ (setf plot-lines
+ (cons
+ (format plot-str data-file
+ (or (and (not text-ind) ind
+ (> ind 0) (format "%d:" ind)) "")
+ (+ 1 col)
+ (if text-ind (format ":xticlabel(%d)" ind) "")
+ with
+ (or (nth col col-labels) (format "%d" (+ 1 col))))
+ plot-lines)))))
+ ('3d
+ (setq plot-lines (list (format "'%s' matrix with %s title ''"
+ data-file with))))
+ ('grid
+ (setq plot-lines (list (format "'%s' with %s title ''"
+ data-file with)))))
+ (add-to-script
+ (concat plot-cmd " " (mapconcat 'identity (reverse plot-lines) ",\\\n "))))
+ script)))
+
+;;-----------------------------------------------------------------------------
+;; facade functions
+;;;###autoload
+(defun org-plot/gnuplot (&optional params)
+ "Plot table using gnuplot. Gnuplot options can be specified with PARAMS.
+If not given options will be taken from the +PLOT
+line directly before or after the table."
+ (interactive)
+ (require 'gnuplot)
+ (save-window-excursion
+ (delete-other-windows)
+ (when (get-buffer "*gnuplot*") ;; reset *gnuplot* if it already running
+ (with-current-buffer "*gnuplot*"
+ (goto-char (point-max))
+ (gnuplot-delchar-or-maybe-eof nil)))
+ (org-plot/goto-nearest-table)
+ ;; set default options
+ (mapc
+ (lambda (pair)
+ (unless (plist-member params (car pair))
+ (setf params (plist-put params (car pair) (cdr pair)))))
+ org-plot/gnuplot-default-options)
+ ;; collect table and table information
+ (let* ((data-file (make-temp-file "org-plot"))
+ (table (org-table-to-lisp))
+ (num-cols (length (if (eq (first table) 'hline) (second table)
+ (first table)))))
+ (while (equal 'hline (first table)) (setf table (cdr table)))
+ (when (equal (second table) 'hline)
+ (setf params (plist-put params :labels (first table))) ;; headers to labels
+ (setf table (delq 'hline (cdr table)))) ;; clean non-data from table
+ ;; collect options
+ (save-excursion (while (and (equal 0 (forward-line -1))
+ (looking-at "#\\+"))
+ (setf params (org-plot/collect-options params))))
+ ;; dump table to datafile (very different for grid)
+ (case (plist-get params :plot-type)
+ ('2d (org-plot/gnuplot-to-data table data-file params))
+ ('3d (org-plot/gnuplot-to-data table data-file params))
+ ('grid (let ((y-labels (org-plot/gnuplot-to-grid-data
+ table data-file params)))
+ (when y-labels (plist-put params :ylabels y-labels)))))
+ ;; check for timestamp ind column
+ (let ((ind (- (plist-get params :ind) 1)))
+ (when (and (>= ind 0) (equal '2d (plist-get params :plot-type)))
+ (if (= (length
+ (delq 0 (mapcar
+ (lambda (el)
+ (if (string-match org-ts-regexp3 el)
+ 0 1))
+ (mapcar (lambda (row) (nth ind row)) table)))) 0)
+ (plist-put params :timeind t)
+ ;; check for text ind column
+
+ (if (or (string= (plist-get params :with) "hist")
+ (> (length
+ (delq 0 (mapcar
+ (lambda (el)
+ (if (string-match org-table-number-regexp el)
+ 0 1))
+ (mapcar (lambda (row) (nth ind row)) table)))) 0))
+ (plist-put params :textind t)))))
+ ;; write script
+ (with-temp-buffer
+ (if (plist-get params :script) ;; user script
+ (progn (insert
+ (org-plot/gnuplot-script data-file num-cols params t))
+ (insert "\n")
+ (insert-file-contents (plist-get params :script))
+ (goto-char (point-min))
+ (while (re-search-forward "$datafile" nil t)
+ (replace-match data-file nil nil)))
+ (insert
+ (org-plot/gnuplot-script data-file num-cols params)))
+ ;; graph table
+ (gnuplot-mode)
+ (gnuplot-send-buffer-to-gnuplot))
+ ;; cleanup
+ (bury-buffer (get-buffer "*gnuplot*"))
+ (run-with-idle-timer 0.1 nil (lambda () (delete-file data-file))))))
+
+(provide 'org-plot)
+
+;; arch-tag: 5763f7c6-0c75-416d-b070-398ee4ec0eca
+;;; org-plot.el ends here
HCoop / bpt / emacs.git / blobdiff