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Re: [O] [ODT] image scaling overridden by long caption
From: |
Andreas Leha |
Subject: |
Re: [O] [ODT] image scaling overridden by long caption |
Date: |
Tue, 07 Feb 2012 11:04:51 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.93 (gnu/linux) |
Jambunathan K <address@hidden> writes:
> Andreas Leha <address@hidden> writes:
>
>
>>>> #+label: fig:baz
>>>> #+name: baz
>>>> #+attr_odt: :scale 0.5
>>>> #+header: :file baz.png
>>>> #+header: :width 7200 :height 3600 :res 600
>>>> #+begin_src R :exports results :results graphics
>>>> plot(1:10, 1:10)
>>>> #+end_src
>
> Image that R outputs is 7200-by-3600.
>
>>> #+begin_src emacs-lisp
>>> (list (* max-image-size (frame-pixel-width))
>>> (* max-image-size (frame-pixel-height)))
>>> #+end_src
>>
>> #+results:
>> | 3648.0 | 4320.0 |
>
> Emacs will "refuse to load" images that cannot fit in 3640-by-4320
> area. Note that max-image dimensions is "tightly coupled" with the frame
> size.
>
>>> #+begin_src emacs-lisp
>>> (message "%S" (ignore-errors
>>> (image-size (create-image "baz.png") 'pixels)))
>>> #+end_src
>>
>> #+results:
>> : (30 . 30)
>
> Instead of loading a large image, Emacs tries to create a "safe"
> 30-by-30 pixel area (whatver it is).
>
> The solution is to instruct Emacs to handle higher image sizes. Just
> bump the value of max-image-size. For example, add this to init file.
>
> #+begin_src emacs-lisp
> (setq max-image-size (* 2 max-image-size)) ;; modify scale
> #+end_src
>
> Side note:
> ==========
>
> If you have imagemagick on your machine(s) and "identify" program is in
> your load path,
>
> #+begin_src emacs-lisp
> (executable-find "identify")
> #+end_src
>
> you can configure ODT export to use imagemagick as primary source for
> probing image dimensions. This you can do by adding the following to
> your .emacs.
>
> #+begin_src emacs-lisp
> (setq org-export-odt-image-size-probe-method '(imagemagick force))
> #+end_src
>
> Ps: If you happen to try out imagemagick-only setting, let me know if
> you run in to any issues. You will be the first person (that I know of)
> to try it out.
Hi Jambunathan,
thanks for digging into this not-so-straight-forward issue. And for the
detailed explanation.
I do indeed have imagemagick in my load path and the imagemagick-only
solution works fine in the cases I tried. Thanks.
- Andreas
- Re: [O] [ODT] image scaling overridden by long caption,
Andreas Leha <=