* change font-size in python plots depending on context
@ 2019-08-19 8:50 johanna.may
2019-08-19 11:10 ` Fraga, Eric
0 siblings, 1 reply; 4+ messages in thread
From: johanna.may @ 2019-08-19 8:50 UTC (permalink / raw)
To: emacs-orgmode
Dear org-mode fans,
I have various files that go together in one document, either
chapterwise or the whole book. And just as with tikz (latex) I want the font
size of python plots to change automatically when the context changes.
So I tried to define a variable in one of the header files like this:
#+name: fs
#+BEGIN_SRC emacs-lisp
10
#+END_SRC
I also tried to define it like this
#+name: fs
#+begin_src python :results output :session :exports none
fontsize=10
return fontsize
#+end_src
And then, in another file (that is being included by the header file) I
added :var fontsize=fs to the header and replaced the number by this
variable. I understand it complained that fs could not be found if I
used C-c C-c directly to test, since apparently the variable fs only
belongs to the other buffer (This is the first problem).
However, it doesn't work either when I compile everything (the second problem). Probably it
is also possible to solve this with some function in elisp. But, I have
to admit, that I haven't started learning elisp yet.
Does anyone have a solution to this problem? Any hints to helpful blogs
or stackexchange pages would be appreciated. I did a search but probably
not using the right keywords.
Thanks!
J
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: change font-size in python plots depending on context
2019-08-19 8:50 johanna.may
@ 2019-08-19 11:10 ` Fraga, Eric
0 siblings, 0 replies; 4+ messages in thread
From: Fraga, Eric @ 2019-08-19 11:10 UTC (permalink / raw)
To: johanna.may@th-koeln.de; +Cc: emacs-orgmode@gnu.org
Hi Johanna,
> I have various files that go together in one document, either
> chapterwise or the whole book. And just as with tikz (latex) I want the font
> size of python plots to change automatically when the context changes.
What I do, for a similar use case, is to define values using properties
and then extract these values with a little function I wrote (see
below). For example,
#+begin_src org
,#+property: myvariable 10
...
,#+begin_src ... :var v=(esf/get-parameter "myvariable")
... (use v in here)
,#+end_src
#+end_src
The esf/get-parameter function is:
#+begin_src emacs-lisp
(defun esf/get-parameter (p)
(let ((value (org-entry-get (point) p 'inherit)))
(message "parameter %s value obtained %s" p value)
(if value
(if (string-match-p "^[-+ ]*[[:digit:].]+$" value)
(string-to-number value)
value)
(error "Property parameter \"%s\" not known." p))))
#+end_src
I'm sure there are better ways but this is what I have developed
organically over the years...
HTH,
eric
--
Eric S Fraga via Emacs 27.0.50, Org release_9.2.4-401-gfabd6d
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: change font-size in python plots depending on context
@ 2019-08-19 16:50 Thomas S. Dye
2019-08-20 9:25 ` johanna.may
0 siblings, 1 reply; 4+ messages in thread
From: Thomas S. Dye @ 2019-08-19 16:50 UTC (permalink / raw)
To: johanna.may; +Cc: emacs-org list
Aloha Johanna May,
This works:
#+name: fs
#+BEGIN_SRC emacs-lisp
10
#+END_SRC
#+RESULTS: fs
: 10
#+header: :var fontsize=fs() :results output
#+begin_src python
print(fontsize)
#+end_src
#+RESULTS:
: 10
Note "fs()" instead of "fs".
All the best,
Tom
--
Thomas S. Dye
http://tsdye.online/tsdye
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: change font-size in python plots depending on context
2019-08-19 16:50 change font-size in python plots depending on context Thomas S. Dye
@ 2019-08-20 9:25 ` johanna.may
0 siblings, 0 replies; 4+ messages in thread
From: johanna.may @ 2019-08-20 9:25 UTC (permalink / raw)
To: emacs-org list
Hi there,
thanks to Thomas and Eric.
I actually found a rather stupid mistake: I was already using a var (for
the png filename generation) and the header did not read the next
:var. So I added ,fs=fontsize to the first :var and now it works.
I will have a look Eric's function of how to get the value of
e.g. fontsize and so on (btw, I also need textwidth and textheight from
somewhere). I also found a python pgf package but I couldn't figure out
fast how to implement that (it sounds as if instead of png a pgf is
generated and then everything has the right latex layout, so pretty
cool, but it seemed not so easy to implement).
So long, cheers!
J
Thomas S. Dye writes:
> Aloha Johanna May,
>
> This works:
>
> #+name: fs
> #+BEGIN_SRC emacs-lisp
> 10
> #+END_SRC
>
> #+RESULTS: fs
> : 10
>
> #+header: :var fontsize=fs() :results output
> #+begin_src python
> print(fontsize)
> #+end_src
>
> #+RESULTS:
> : 10
>
> Note "fs()" instead of "fs".
>
> All the best,
> Tom
--
Prof. Dr. Johanna May
Stellvertretende Institutsleiterin CIRE
Fakultät für Informations-, Medien- und Elektrotechnik (F07)
Institut für Elektrische Energietechnik (IET)
Cologne Institute for Renewable Energy (CIRE)
Lehrgebiete: Energieeffizienz und Grundlagen Elektrotechnik
T: +49 221-8275-2697
M: +49 174 891 9002
E: johanna.may@th-koeln.de
Technische Hochschule Köln
Campus Deutz
Betzdorfer Str. 2
50679 Köln
Raum: HW2-40
www.th-koeln.de
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