From: "Eric Schulte" <schulte.eric@gmail.com>
To: josephzxu@gmail.com
Cc: emacs-orgmode@gnu.org
Subject: Re: org plot scripts [PATCH]
Date: Tue, 07 Jul 2009 12:27:06 -0700 [thread overview]
Message-ID: <m2ocrwcn05.fsf_-_@gmail.com> (raw)
In-Reply-To: <m2vdmf67fh.fsf@gmail.com> (Eric Schulte's message of "Sun, 28 Jun 2009 20:32:50 -0700")
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Hi Carsten,
Having played with this patch some more, I am confident that it is
working and won't break org-plot.
Please do apply it when you get a chance.
Thanks -- Eric
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diff --git a/lisp/org-plot.el b/lisp/org-plot.el
index 78775a0..ae01aa2 100644
--- a/lisp/org-plot.el
+++ b/lisp/org-plot.el
@@ -181,9 +181,11 @@ and dependant variables."
(setf back-edge "") (setf front-edge "")))))
row-vals))
-(defun org-plot/gnuplot-script (data-file num-cols params)
+(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."
+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
@@ -238,7 +240,8 @@ NUM-COLS controls the number of columns plotted in a 2-d plot."
(add-to-script (concat "set timefmt \""
(or timefmt ;; timefmt passed to gnuplot
"%Y-%m-%d-%H:%M:%S") "\"")))
- (case type ;; plot command
+ (unless preface
+ (case type ;; plot command
('2d (dotimes (col num-cols)
(unless (and (equal type '2d)
(or (and ind (equal (+ 1 col) ind))
@@ -259,8 +262,8 @@ NUM-COLS controls the number of columns plotted in a 2-d plot."
('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 ")))
+ (add-to-script
+ (concat plot-cmd " " (mapconcat 'identity (reverse plot-lines) ",\\\n "))))
script)))
;;-----------------------------------------------------------------------------
@@ -328,10 +331,13 @@ line directly before or after the table."
;; write script
(with-temp-buffer
(if (plist-get params :script) ;; user script
- (progn (insert-file-contents (plist-get params :script))
- (goto-char (point-min))
- (while (re-search-forward "$datafile" nil t)
- (replace-match data-file nil nil)))
+ (progn (insert
+ (org-plot/gnuplot-script data-file num-cols params t))
+ (insert "\n")
+ (insert-file-contents (plist-get params :script))
+ (goto-char (point-min))
+ (while (re-search-forward "$datafile" nil t)
+ (replace-match data-file nil nil)))
(insert
(org-plot/gnuplot-script data-file num-cols params)))
;; graph table
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"Eric Schulte" <schulte.eric@gmail.com> writes:
> josephzxu@gmail.com writes:
>
>> Hi:
>>
>> I've been trying to make candlestick plots with org-plot, and the only
>> way I've found that I can do this is by specifying a custom script in
>> the +PLOT options. However, I noticed that when I specify a script,
>> all other +PLOT options I specify, such as with set: or line:, are
>> completely ignored. I think it would be nice to allow the user to
>> specify plot options in the latter manner along with custom scripts
>> and just prepend the options to the script. This way, the user can use
>> a single custom script to plot multiple data tables, while being able
>> to set things like the title or range of the plot on a per-table
>> basis.
>
> That sounds like a great idea, the attached patch[1] *should* implement
> the prepending of options to a script as you described above. It works
> for me on one simple test. Please let me know if it works for you.
>
>> Alternatively, I can also imagine giving the user the ability
>> to hard code the exact plot commands right in the org file.
>>
>
> This second approach could work with "org-babel" --a library for
> org-mode on which I am currently working--. I hope to add gnuplot as a
> supported language to org-babel. Once this is done it will be possible
> to write gnuplot source-code blocks which can then be fed table data
> returning graphs for display or inclusion in org-mode files. Through
> the "library of babel" functionality, these gnuplot code blocks could be
> named, saved, and called from other org-mode files.
>
> Cheers -- Eric
>
>>
>> Thanks for your time.
>>
>> Joseph
>>
>>
>> _______________________________________________
>> Emacs-orgmode mailing list
>> Remember: use `Reply All' to send replies to the list.
>> Emacs-orgmode@gnu.org
>> http://lists.gnu.org/mailman/listinfo/emacs-orgmode
>
>
> Footnotes:
> [1]
> diff --git a/lisp/org-plot.el b/lisp/org-plot.el
> index 78775a0..ae01aa2 100644
> --- a/lisp/org-plot.el
> +++ b/lisp/org-plot.el
> @@ -181,9 +181,11 @@ and dependant variables."
> (setf back-edge "") (setf front-edge "")))))
> row-vals))
>
> -(defun org-plot/gnuplot-script (data-file num-cols params)
> +(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."
> +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
> @@ -238,7 +240,8 @@ NUM-COLS controls the number of columns plotted in a 2-d plot."
> (add-to-script (concat "set timefmt \""
> (or timefmt ;; timefmt passed to gnuplot
> "%Y-%m-%d-%H:%M:%S") "\"")))
> - (case type ;; plot command
> + (unless preface
> + (case type ;; plot command
> ('2d (dotimes (col num-cols)
> (unless (and (equal type '2d)
> (or (and ind (equal (+ 1 col) ind))
> @@ -259,8 +262,8 @@ NUM-COLS controls the number of columns plotted in a 2-d plot."
> ('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 ")))
> + (add-to-script
> + (concat plot-cmd " " (mapconcat 'identity (reverse plot-lines) ",\\\n "))))
> script)))
>
> ;;-----------------------------------------------------------------------------
> @@ -328,10 +331,13 @@ line directly before or after the table."
> ;; write script
> (with-temp-buffer
> (if (plist-get params :script) ;; user script
> - (progn (insert-file-contents (plist-get params :script))
> - (goto-char (point-min))
> - (while (re-search-forward "$datafile" nil t)
> - (replace-match data-file nil nil)))
> + (progn (insert
> + (org-plot/gnuplot-script data-file num-cols params t))
> + (insert "\n")
> + (insert-file-contents (plist-get params :script))
> + (goto-char (point-min))
> + (while (re-search-forward "$datafile" nil t)
> + (replace-match data-file nil nil)))
> (insert
> (org-plot/gnuplot-script data-file num-cols params)))
> ;; graph table
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prev parent reply other threads:[~2009-07-07 19:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 7:25 org plot scripts josephzxu
2009-06-29 3:32 ` Eric Schulte
2009-07-07 19:27 ` Eric Schulte [this message]
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