[PATCH] Re: Latex Export: Place Caption Below Table

[tsd@tsdye.com (Thomas S. Dye)]

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Nick Dokos <nicholas.dokos@hp.com> writes:

> Thomas S. Dye <tsd@tsdye.com> wrote:
>
>> Eric S Fraga <e.fraga@ucl.ac.uk> writes:
>> 
>> > Jakob Lombacher <kontakt@lombacher.net> writes:
>> >
>> >> Hi,
>> >>
>> >> if I export a document to latex, the caption of a table is always on the top.
>> >>
>> >> How can I place it at the bottom? Is there a parameter to config it?
>> >
>> > No, the placement is (currently) fixed to come before the tabular (or
>> > alternative) environment.  Line 1970 or thereabouts in
>> > org-latex.el.  Should be straightforward to modify although it is a
>> > quite common convention to have the caption above the table...
>> 
>> Hi Eric,
>> 
>> Are you able to propose a patch?  This came up in my work recently with
>> a journal that puts captions below a table (and ends them with a
>> period!).  
>> 
>
> It's just a matter of emitting the \caption after the contents of the
> table, rather than before:
>
> ,----
> | \begin{table}[htb]
> | \begin{center}
> | \begin{tabular}{rr}
> | ...
> | \end{tabular}
> | \end{center}
> | \caption{Squares}
> | \end{table}
> `----
>
> instead of
>
> ,----
> | \begin{table}[htb]
> | \caption{Squares}
> | \begin{center}
> | \begin{tabular}{rr}
> | ...
> | \end{tabular}
> | \end{center}
> | \end{table}
> `----
>
>
> The following patch (deliberately hidden as a binary octet-stream to keep it
> out of patchwork) will do that - but IMO, it would be better to have yet another
> user-settable option to control the placement.
>
> Nick
>
>

Aloha all,

The inlined patch introduces a variable
org-export-latex-table-caption-above to control the placement of table
captions.  Thanks to Nick Dokos for leading the way on this.

Tom


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From 3809f751afb8fffab1e07f7f4d6e607ed5a77b5b Mon Sep 17 00:00:00 2001
From: Tom Dye <tsd@tsdye.com>
Date: Sun, 2 Oct 2011 05:49:52 -1000
Subject: [PATCH] * lisp/org-latex.el: added variable to toggle captions below tables

---
 lisp/org-latex.el |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/lisp/org-latex.el b/lisp/org-latex.el
index 17626b5..f91b93e 100644
--- a/lisp/org-latex.el
+++ b/lisp/org-latex.el
@@ -73,7 +73,7 @@
 	  org-deadline-string "\\|"
 	  org-closed-string"\\)")
   "Regexp matching special time planning keywords plus the time after it.")
-
+(defvar org-export-latex-table-caption-above t)
 (defvar org-re-quote)  ; dynamically scoped from org.el
 (defvar org-commentsp) ; dynamically scoped from org.el
 
@@ -1965,13 +1965,13 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
                             (concat "\\begin{longtable}{" align "}\n")
                           (if floatp
 			      (format "\\begin{%s}%s\n" tblenv placement)))
-                        (if floatp
+                        (if (and floatp org-export-latex-table-caption-above) 
                             (format
                              "\\caption%s{%s} %s"
                              (if shortn (concat "[" shortn "]") "")
                              (or caption "")
 			     (if label (format "\\label{%s}" label) "")))
-                        (if (and longtblp caption) "\\\\\n" "\n")
+			(if (and longtblp caption) "\\\\\n" "\n")
                         (if (and org-export-latex-tables-centered (not longtblp))
                             "\\begin{center}\n")
                         (if (not longtblp)
@@ -1993,6 +1993,12 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
                         (if (not longtblp) (format "\n\\end{%s}" tabular-env))
                         (if longtblp "\n" (if org-export-latex-tables-centered
                                               "\n\\end{center}\n" "\n"))
+                        (if (and floatp (not org-export-latex-table-caption-above)) 
+                            (format
+                             "\\caption%s{%s} %s"
+                             (if shortn (concat "[" shortn "]") "")
+                             (or caption "")
+			     (if label (format "\\label{%s}" label) "")))
                         (if longtblp
                             "\\end{longtable}"
                           (if floatp (format "\\end{%s}" tblenv)))))
@@ -2042,11 +2048,12 @@ The conversion is made depending of STRING-BEFORE and STRING-AFTER."
       (setq tbl (concat "\\begin{center}\n" tbl "\\end{center}")))
     (when floatp
       (setq tbl (concat "\\begin{table}\n"
+			(if (not org-export-latex-table-caption-above) tbl) 
 			(format "\\caption%s{%s%s}\n"
 				(if shortn (format "[%s]" shortn) "")
 				(if label (format "\\label{%s}" label) "")
 				(or caption ""))
-			tbl
+			(if org-export-latex-table-caption-above tbl) 
 			"\n\\end{table}\n")))
     (insert (org-export-latex-protect-string tbl))))
 
-- 
1.7.1


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-- 
Thomas S. Dye
http://www.tsdye.com