forked from mirrors/org-mode
New file org-plot.el.
This commit is contained in:
Carsten Dominik
parent
47aea69a79
commit
56b7b3f3ce
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@ -1,3 +1,7 @@
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2008-09-17 Carsten Dominik <dominik@science.uva.nl>
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* Makefile: Handle new file org-plot.el.
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2008-09-08 Carsten Dominik <dominik@science.uva.nl>
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* Makefile: Remove the unused MV macro.
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1
Makefile
1
Makefile
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@ -80,6 +80,7 @@ LISPF = org.el \
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org-mhe.el \
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org-mouse.el \
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org-publish.el \
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org-plot.el \
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org-remember.el \
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org-rmail.el \
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org-table.el \
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@ -37,6 +37,14 @@
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as a tty key replacement.
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** Details
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*** org-plot.el is now part of Org.
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You can run it by simple calling org-plot/gnuplot.
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Documentation is not yet included with Org, please refer to
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http://github.com/eschulte/org-plot/tree/master until we have
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moved the docs into Org or Worg.
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Thanks to Eric Schulte for this great contribution.
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*** Tags can be used to select the export part of a document
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@ -1,5 +1,7 @@
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2008-09-17 Carsten Dominik <dominik@science.uva.nl>
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* org-plot.el: New file.
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* org-publish.el (org-publish-expand-components): Function removed.
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(org-publish-expand-projects): Allow components to have components.
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@ -0,0 +1,301 @@
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;;; org-plot.el --- Support for plotting from Org-mode
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;; Copyright (C) 2008 Free Software Foundation, Inc.
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;;
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;; Author: Eric Schulte <schulte dot eric at gmail dot com>
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;; Keywords: tables, plotting
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;; Homepage: http://orgmode.org
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;; Version: 6.06b
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Borrows ideas and a couple of lines of code from org-exp.el.
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;; Thanks to the org-mode mailing list for testing and implementation
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;; and feature suggestions
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;;; Code:
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(require 'org)
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(require 'org-exp)
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(require 'org-table)
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(eval-and-compile
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(require 'cl))
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(declare-function gnuplot-delchar-or-maybe-eof "ext:gnuplot" (arg))
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(declare-function gnuplot-mode "ext:gnuplot" ())
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(declare-function gnuplot-send-buffer-to-gnuplot "ext:gnuplot" ())
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(defvar org-plot/gnuplot-default-options
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'((:plot-type . 2d)
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(:with . lines)
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(:ind . 0)))
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(defun org-plot/add-options-to-plist (p options)
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"Parse an OPTONS line and set values in the property list P."
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(let (o)
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(when options
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(let ((op '(("type" . :plot-type)
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("script" . :script)
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("line" . :line)
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("set" . :set)
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("title" . :title)
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("ind" . :ind)
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("deps" . :deps)
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("with" . :with)
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("file" . :file)
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("labels" . :labels)
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("map" . :map)))
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(multiples '("set" "line"))
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(regexp ":\\([\"][^\"]+?[\"]\\|[(][^)]+?[)]\\|[^ \t\n\r;,.]*\\)")
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(start 0)
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o)
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(while (setq o (pop op))
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(if (member (car o) multiples) ;; keys with multiple values
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(while (string-match
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(concat (regexp-quote (car o)) regexp)
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options start)
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(setq start (match-end 0))
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(setq p (plist-put p (cdr o)
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(cons (car (read-from-string
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(match-string 1 options)))
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(plist-get p (cdr o)))))
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p)
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(if (string-match (concat (regexp-quote (car o)) regexp)
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options)
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(setq p (plist-put p (cdr o)
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(car (read-from-string
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(match-string 1 options)))))))))))
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p)
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(defun org-plot/goto-nearest-table ()
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"Move the point to the beginning of nearest table. First look
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back until hitting an empty line, then forward until a table is
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found."
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(interactive) (move-beginning-of-line 1)
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(while (not (or (org-at-table-p) (< 0 (forward-line 1)))))
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(goto-char (org-table-begin)))
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(defun org-plot/collect-options (&optional params)
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(interactive)
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(let ((line (thing-at-point 'line)))
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(if (string-match "#\\+PLOT: +\\(.*\\)$" line)
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(org-plot/add-options-to-plist params (match-string 1 line))
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params)))
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(defun org-plot-quote-tsv-field (s)
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"Quote field for export to gnuplot."
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(if (string-match org-table-number-regexp s) s
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(concat "\"" (mapconcat 'identity (split-string s "\"") "\"\"") "\"")))
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(defun org-plot/gnuplot-to-data (table data-file params)
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(with-temp-file
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data-file (insert (orgtbl-to-generic
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table
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(org-combine-plists
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'(:sep "\t" :fmt org-plot-quote-tsv-field)
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params))))
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nil)
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(defun org-plot/gnuplot-to-grid-data (table data-file params)
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(interactive)
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(let* ((ind (- (plist-get params :ind) 1))
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(deps (if (plist-member params :deps)
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(mapcar (lambda (val) (- val 1)) (plist-get params :deps))
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(let (collector)
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(dotimes (col (length (first table)))
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(setf collector (cons col collector)))
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collector)))
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row-vals (counter 0))
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(when (>= ind 0) ;; collect values of ind col
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(setf row-vals (mapcar (lambda (row) (setf counter (+ 1 counter))
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(cons counter (nth ind row))) table)))
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(when (or deps (>= ind 0)) ;; remove non-plotting columns
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(setf deps (delq ind deps))
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(setf table (mapcar (lambda (row)
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(dotimes (col (length row))
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(unless (memq col deps)
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(setf (nth col row) nil)))
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(delq nil row))
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table)))
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;; write table to gnuplot grid datafile format
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(with-temp-file data-file
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(let ((num-rows (length table)) (num-cols (length (first table)))
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front-edge back-edge)
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(flet ((gnuplot-row (col row value)
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(setf col (+ 1 col)) (setf row (+ 1 row))
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(format "%f %f %f\n%f %f %f\n"
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col (- row 0.5) value ;; lower edge
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col (+ row 0.5) value))) ;; upper edge
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(dotimes (col num-cols)
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(dotimes (row num-rows)
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(setf back-edge
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(concat back-edge
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(gnuplot-row (- col 1) row (string-to-number
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(nth col (nth row table))))))
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(setf front-edge
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(concat front-edge
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(gnuplot-row col row (string-to-number
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(nth col (nth row table)))))))
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;; only insert once per row
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(insert back-edge) (insert "\n") ;; back edge
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(insert front-edge) (insert "\n") ;; front edge
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(setf back-edge "") (setf front-edge "")))))
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row-vals))
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(defun org-plot/gnuplot-script (data-file num-cols params)
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(let* ((type (plist-get params :plot-type))
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(with (if (equal type 'grid)
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'pm3d
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(plist-get params :with)))
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(sets (plist-get params :set))
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(lines (plist-get params :line))
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(map (plist-get params :map))
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(title (plist-get params :title))
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(file (plist-get params :file))
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(ind (plist-get params :ind))
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(text-ind (plist-get params :textind))
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(deps (if (plist-member params :deps) (plist-get params :deps)))
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(col-labels (plist-get params :labels))
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(x-labels (plist-get params :xlabels))
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(y-labels (plist-get params :ylabels))
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(plot-str "'%s' using %s%d%s with %s title '%s'")
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(plot-cmd (case type
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('2d "plot")
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('3d "splot")
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('grid "splot")))
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(script "reset") plot-lines)
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(flet ((add-to-script (line) (setf script (format "%s\n%s" script line))))
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(when file ;; output file
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(add-to-script (format "set term %s" (file-name-extension file)))
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(add-to-script (format "set output '%s'" file)))
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(case type ;; type
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('2d ())
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('3d (if map (add-to-script "set map")))
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('grid (if map
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(add-to-script "set pm3d map")
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(add-to-script "set pm3d"))))
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(when title (add-to-script (format "set title '%s'" title))) ;; title
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(when lines (mapc (lambda (el) (add-to-script el)) lines)) ;; line
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(when sets ;; set
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(mapc (lambda (el) (add-to-script (format "set %s" el))) sets))
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(when x-labels ;; x labels (xtics)
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(add-to-script
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(format "set xtics (%s)"
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(mapconcat (lambda (pair)
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(format "\"%s\" %d" (cdr pair) (car pair)))
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x-labels ", "))))
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(when y-labels ;; y labels (ytics)
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(add-to-script
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(format "set ytics (%s)"
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(mapconcat (lambda (pair)
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(format "\"%s\" %d" (cdr pair) (car pair)))
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y-labels ", "))))
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(case type ;; plot command
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('2d (dotimes (col num-cols)
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(unless (and (equal type '2d)
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(or (and ind (equal (+ 1 col) ind))
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(and deps (not (member (+ 1 col) deps)))))
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(setf plot-lines
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(cons
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(format plot-str data-file
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(or (and (not text-ind) ind
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(> ind 0) (format "%d:" ind)) "")
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(+ 1 col)
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(if text-ind (format ":xticlabel(%d)" ind) "")
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with
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(or (nth col col-labels) (format "%d" (+ 1 col))))
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plot-lines)))))
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('3d
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(setq plot-lines (list (format "'%s' matrix with %s title ''"
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data-file with))))
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('grid
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(setq plot-lines (list (format "'%s' with %s title ''"
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data-file with)))))
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(add-to-script
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(concat plot-cmd " " (mapconcat 'identity (reverse plot-lines) "\\\n ,")))
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script)))
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;;-----------------------------------------------------------------------------
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;; facad functions
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;;;###autoload
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(defun org-plot/gnuplot (&optional params)
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"Plot table using gnuplot. Gnuplot options can be specified
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with PARAMS. If not given options will be taken from the +PLOT
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line directly before or after the table."
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(interactive)
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(require 'gnuplot)
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(save-window-excursion
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(delete-other-windows)
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(when (get-buffer "*gnuplot*") ;; reset *gnuplot* if it already running
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(save-excursion
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(set-buffer "*gnuplot*") (goto-char (point-max))
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(gnuplot-delchar-or-maybe-eof nil)))
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(org-plot/goto-nearest-table)
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;; set default options
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(mapc
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(lambda (pair)
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(unless (plist-member params (car pair))
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(setf params (plist-put params (car pair) (cdr pair)))))
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org-plot/gnuplot-default-options)
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;; collect table and table information
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(let* ((data-file (make-temp-file "org-plot"))
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(table (org-table-to-lisp))
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(num-cols (length (first table))))
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(while (equal 'hline (first table)) (setf table (cdr table)))
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(when (equal (second table) 'hline)
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(setf params (plist-put params :labels (first table))) ;; headers to labels
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(setf table (delq 'hline (cdr table)))) ;; clean non-data from table
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;; collect options
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(save-excursion (while (and (equal 0 (forward-line -1))
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(looking-at "#\\+"))
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(setf params (org-plot/collect-options params))))
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;; dump table to datafile (very different for grid)
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(case (plist-get params :plot-type)
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('2d (org-plot/gnuplot-to-data table data-file params))
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('3d (org-plot/gnuplot-to-data table data-file params))
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('grid (let ((y-labels (org-plot/gnuplot-to-grid-data
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table data-file params)))
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(when y-labels (plist-put params :ylabels y-labels)))))
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;; check for text ind column
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(let ((ind (- (plist-get params :ind) 1)))
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(when (and (>= ind 0) (equal '2d (plist-get params :plot-type)))
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(if (> (length
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(delq 0 (mapcar
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(lambda (el)
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(if (string-match org-table-number-regexp el)
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0 1))
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(mapcar (lambda (row) (nth ind row)) table)))) 0)
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(plist-put params :textind t))))
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;; write script
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(with-temp-buffer
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(if (plist-get params :script) ;; user script
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(progn (insert-file-contents)
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(goto-char (point-min))
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(while (re-search-forward "$datafile" nil t)
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(replace-match data-file nil nil)))
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(insert
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(org-plot/gnuplot-script data-file num-cols params)))
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;; graph table
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(gnuplot-mode)
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(gnuplot-send-buffer-to-gnuplot))
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;; cleanup
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(bury-buffer (get-buffer "*gnuplot*"))(delete-file data-file))))
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(provide 'org-plot)
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;;; org-plot.el ends here
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