Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

[Carlos Pita]

This was discussed here:

https://www.reddit.com/r/emacs/comments/9ggimh/bottom_align_latex_previews_in_org_mode/

Here is a screenshot:

https://i.redd.it/n83ri6campm11.png

For inline previews centering is clearly suboptimal, after all text in a
sentence is supposed to be bottom aligned.

Currently this behavior is not configurable, you have to change the :ascent 'center property in org--format-latex-make-overlay.


Emacs  : GNU Emacs 26.1.50 (build 8, x86_64-pc-linux-gnu, GTK+ Version 3.24.1)
 of 2018-09-25
Package: Org mode version 9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)

Re: Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

[Nicolas Goaziou]

Hello,

Carlos Pita <carlosjosepita@gmail.com> writes:

> This was discussed here:
>
> https://www.reddit.com/r/emacs/comments/9ggimh/bottom_align_latex_previews_in_org_mode/
>
> Here is a screenshot:
>
> https://i.redd.it/n83ri6campm11.png
>
> For inline previews centering is clearly suboptimal, after all text in a
> sentence is supposed to be bottom aligned.

No it isn't. Think about \(p + q\). Those are not bottom aligned. Or
\(\frac{1}{2}\).

Since there is no reliable way to know where the baseline is, 'center is
the less awful solution, IMO.

Regards,

-- 
Nicolas Goaziou

Re: Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

[Tobias Zawada]

Hello,

> Nicolas Goaziou <mail@nicolasgoaziou.fr> hat am 26. September 2018 um 12:56 geschrieben:
> 
> 
> Hello,
> 
> Carlos Pita <carlosjosepita@gmail.com> writes:
> > This was discussed here:
> > https://www.reddit.com/r/emacs/comments/9ggimh/bottom_align_latex_previews_in_org_mode/
> > Here is a screenshot:
> > https://i.redd.it/n83ri6campm11.png
> > For inline previews centering is clearly suboptimal, after all text in a
> > sentence is supposed to be bottom aligned.
> 
> No it isn't. Think about \(p + q\). Those are not bottom aligned. Or
> \(\frac{1}{2}\).
> 
> Since there is no reliable way to know where the baseline is, 'center is
> the less awful solution, IMO.

texfrag-mode renders LaTeX equations in org-mode buffers baseline aligned.

See: https://imgur.com/a/CL7zkgK

Regards,
Tobias

Re: Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

[Carlos Pita]

Hi,

Nicolas: I see you point and I should have said baseline not bottom.
Many *inline* formulas are not quite like your examples though and
even when the glyphs have some descent they tend too look more
naturally (even if imperfectly) aligned at the bottom IMO.

Tobias: that's really nice, thanks!

Now, isn't it possible within reason to take inspiration from texfrag
mode in order to improve org mode alignment? What do you think,
Tobias, is that too hard?

Thanks!

Re: Bug: Bottom align LaTeX previews [9.1.9 (release_9.1.9-65-g5e4542 @ /home/carlos/local/stow/emacs-26/share/emacs/26.1.50/lisp/org/)]

[Carlos Pita]

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> even when the glyphs have some descent they tend too look more
> naturally (even if imperfectly) aligned at the bottom IMO.

See the attached screenshots for an example of this with an ascent of
90 vs centered.

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