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From: Litvinov Sergey <slitvinov@gmail.com>
To: emacs-orgmode@gnu.org
Subject: [BABEL,PATCH] Add graphical output to ob-octave
Date: Sat, 17 Dec 2011 10:01:52 +0100	[thread overview]
Message-ID: <87sjkjlgfz.fsf@gmail.com> (raw)

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I propose a patch to make the following example work in ob-octave.
#+begin_src octave :results graphics :file chart.png
sombrero; % make a figure
#+end_src

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From f193df8b1b7d1330a0dde89907a607051f632775 Mon Sep 17 00:00:00 2001
From: Litvinov Sergey <slitvinov@gmail.com>
Date: Fri, 16 Dec 2011 20:12:39 +0100
Subject: [PATCH] ob-octave.el: Add graphical output

    * lisp/ob-octave.el: add graphical output to png file

    * testing/examples/ob-octave-test.org: add a test for graphical
      output, and a test for session
---
 lisp/ob-octave.el                   |   30 +++++++++++++++++++++++-------
 testing/examples/ob-octave-test.org |   10 ++++++++++
 2 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/lisp/ob-octave.el b/lisp/ob-octave.el
index f840739..796a5c7 100644
--- a/lisp/ob-octave.el
+++ b/lisp/ob-octave.el
@@ -86,13 +86,24 @@ end")
 	  (org-babel-expand-body:generic
 	   body params (org-babel-variable-assignments:octave params)))
 	 (result (org-babel-octave-evaluate
-		  session full-body result-type matlabp)))
-    (org-babel-reassemble-table
-     result
-     (org-babel-pick-name
-      (cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
-     (org-babel-pick-name
-      (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))))
+		  session
+		  (if (org-babel-octave-graphical-output-file params)
+		      (mapconcat 'identity
+				 (list
+				  "set (0, \"defaultfigurevisible\", \"off\");"
+				  full-body
+				  (format "print -dpng %s" (org-babel-octave-graphical-output-file params)))
+				 "\n")
+		    full-body)
+		  result-type matlabp)))
+    (if (org-babel-octave-graphical-output-file params)
+	nil
+      (org-babel-reassemble-table
+       result
+       (org-babel-pick-name
+	(cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
+       (org-babel-pick-name
+	(cdr (assoc :rowname-names params)) (cdr (assoc :rownames params)))))))
 
 (defun org-babel-prep-session:matlab (session params)
   "Prepare SESSION according to PARAMS."
@@ -259,6 +270,11 @@ This removes initial blank and comment lines and then calls
       (match-string 1 string)
     string))
 
+(defun org-babel-octave-graphical-output-file (params)
+  "Name of file to which maxima should send graphical output."
+  (and (member "graphics" (cdr (assq :result-params params)))
+       (cdr (assq :file params))))
+
 (provide 'ob-octave)
 
 
diff --git a/testing/examples/ob-octave-test.org b/testing/examples/ob-octave-test.org
index 97d9b00..9839d63 100644
--- a/testing/examples/ob-octave-test.org
+++ b/testing/examples/ob-octave-test.org
@@ -43,3 +43,13 @@ Input elisp nil
 #+begin_src octave :exports results :results silent :var s='nil
 ans = s
 #+end_src
+
+
+* Graphical tests
+#+begin_src octave :results graphics :file chart.png
+sombrero;
+#+end_src
+
+#+begin_src octave :session
+sombrero;
+#+end_src
-- 
1.7.4.1

next             reply	other threads:[~2011-12-17  9:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-17  9:01 Litvinov Sergey [this message]
2011-12-17 16:02 ` [BABEL,PATCH] Add graphical output to ob-octave Eric Schulte

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:f840739 dfblob:97d9b00 dfblob:796a5c7 dfblob:9839d63
	(help)

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