On Wednesday, 29 March 2023 23:15:03 CEST Christian Moe wrote: > > Hi, > > Pardon the noise: It turned out to be a pretty obvious problem with my > setup that has now been resolved. > > I had modified org-latex-pdf-process to use xelatex, and for some reason > my setup lacked the =-output-directory %o= switch. I should probably > have thought of that first, but the omission has had no ill effects on > ordinary PDF export, so I didn't run into any problem before trying to > use Babel with LaTeX. > > Ihor and Pedro, thanks for checking. > > Chris, I don't know why your attempts fail, but I'll be trying similar > things over the next days, so maybe I'll come back to you. >
For one thing I don't understand 90% of the options, that can explain a lot. Another point, the gibberish output I was speaking about are "similar" those of [[https://emacs.stackexchange.com/questions/68823/minimal-working-example-of-tikz-to-svg-in-orgmode]] Actually the svg image they get is an image containing the `tikz` instructions transformed as image. What I get is the svg instructions that should generate the image: an image showing a `svg` listing. Anyway You start from that: #+begin_src emacs-lisp (setq org-latex-compiler "lualatex") #+end_src #+name: circle #+header: :results file drawer #+header: :file circle.svg #+header: :dvisvgm yes #+header: :headers '("\\usepackage{tikz}") #+begin_src latex \begin{tikzpicture} \fill[yellow] (0,0) circle (3cm); \end{tikzpicture} #+end_src You do C-c C-c on both blocks. Looking at *Messages* you see there is a file ``` cat /tmp/babel-DQ59bY/latex-2whyWA.tex \documentclass[preview]{standalone} \def\pgfsysdriver{pgfsys-tex4ht.def} \usepackage{tikz}\begin{document}\begin{tikzpicture} \fill[yellow] (0,0) circle (3cm); \end{tikzpicture}\end{document} ``` Among `latex`, `pdflatex`, `lualatex`, `htlatex`, the latex file can only be successfully processed by `htlatex`, which will produces several outputs: ``` ls *2whyWA* latex-2whyWA-1.svg latex-2whyWA.4tc latex-2whyWA.css latex-2whyWA.html latex-2whyWA.lg latex-2whyWA.tmp latex-2whyWA.4ct latex-2whyWA.aux latex-2whyWA.dvi latex-2whyWA.idv latex-2whyWA.log latex-2whyWA.xref ``` One of them is `svg` file and is correct. I've tried replacing `(setq org-latex-compiler "lualatex")` by every possible latex compiler listed above. I've also tried replacing `#+header: :dvisvgm yes` by `htlatex` and `inkscape`. In every case I get the gibberish output, specifically an image of the listing of the svg output, or in any case something resembling to `XML`. Something else I can do "by hand": ``` lualatex -jobname=foo <(sed '/pgfsysdriver/d' /tmp/babel-DQ59bY/ latex-2whyWA.tex); dvisvgm --pdf --output=foo.svg foo.pdf ``` then: ``` $ cat foo.svg <?xml version='1.0' encoding='UTF-8'?> <!-- This file was generated by dvisvgm 3.0.3 --> <svg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http:// www.w3.org/1999/xlink' width='170.079pt' height='170.079 pt' viewBox='0 -170.079 170.079 170.079'> <g id='page1'> <g transform='matrix(1 0 0 -1 0 0)'> <path d='M170.0781 85.039061C170.0781 132.0078 132.0078 170.0781 85.039061 170.0781C38.0703 170.0781 0 132.0078 0 85.039061C0 38.0 703 38.0703 0 85.039061 0C132.0078 0 170.0781 38.0703 170.0781 85.039061Z' fill='#ff0'/> </g> </g> </svg> $ cat latex-2whyWA-1.svg <?xml version="1.0" encoding="iso-8859-1" standalone="no"?> <?xml-stylesheet href="latex-2whyWA.css" type="text/css"?> <svg xmlns="http://www.w3.org/2000/svg"; xmlns:xlink="http://www.w3.org/1999/ xlink" width="170.71652pt" height="170.71652pt" viewBo x="-85.35826 -85.35826 170.71652 170.71652 "> <g transform="translate(0, 85.35826 ) scale(1,-1) translate(0,85.35826 )"> <g stroke="#000" fill="#000"> <g stroke-width="0.4"> <g stroke="#ff0" fill="#ff0"> <path d=" M 0.0 0.0 M 85.35826 0.0 C 85.35826 47.14267 47.14267 85.35826 0.0 85.35826 C -47.14267 85.35826 -85.35826 47.14267 -85 .35826 0.0 C -85.35826 -47.14267 -47.14267 -85.35826 0.0 -85.35826 C 47.14267 -85.35826 85.35826 -47.14267 85.35826 0.0 Z M 0.0 0. 0 " stroke="none"/> </g> </g> </g> </g> </svg> ``` I got that last trick from [[https://en.wikipedia.org/wiki/ Wikipedia:Graphics_Lab/Resources/PDF_conversion_to_SVG]] We can see both files have the exact same size, `foo.svg` is 548 bytes, `latex-2whyWA-1.svg` is 855 bytes. `foo.svg` is superior in that it uses `utf-8` encoding, which is superior. bitmaps outputs for `tikz` are not nice. So two ways to do it by hand, and it would be nice to have it doing it automatically. Wikipedia says `inkscape` method can yield heavy results, and indeed I had to install `potrace`. They say in the stackexchange page that `pdflatex+inkscape` is the default method, so even it didn't work at all, I followed the instruction it gave me to first install `inkscape` and then install `potrace`. What I like best is: ``` lualatex -jobname=foo <(sed '/pgfsysdriver/d' /tmp/babel-DQ59bY/ latex-2whyWA.tex); dvisvgm --pdf --output=foo.svg foo.pdf ``` It would be easier if second line `\def\pgfsysdriver{pgfsys-tex4ht.def}` was not inserted in the first place. I think the way plain `org-latex-preview`, which work for me, are generated is through `latex + dvisvgm` and I think that in this case the above `\def\pgfsysdriver{pgfsys-tex4ht.def}` isn't used neither. Using "old" `latex` can be troublesome in some cases though, namely everytime somebody is trying to use some `utf-8`. Best, Chris > Yours, > Christian > > > chris writes: > > > On Wednesday, 29 March 2023 10:00:35 CEST Pedro Andres Aranda Gutierrez wrote: > >> On Tue, 28 Mar 2023 10:04:24 +0200, Christian Moe <m...@christianmoe.com> wrote > >> Hi, > >> > >> > I'm trying and failing to export images from TikZ code, apparently > >> > because the temporary PDF is misplaced. Here is a minimal example just > >> > exporting the PDF: > >> > >> > #+LATEX_HEADER: \usepackage{tikz} > >> > > >> > #+header: :fit yes > >> > #+begin_src latex :exports results :file ./test-tikz-triangle.png > >> > \begin{tikzpicture} % > >> > \draw[draw=black, fill=blue!10] (0,4) -- (3,0) -- (-3,0) -- cycle; > >> > \end{tikzpicture} > >> > #+end_src > >> > >> > Execution fails with an error message like this: > >> > > >> > org-compile-file: File "/tmp/babel-Tay2kl/latex-IJVI84.pdf" wasn’t > >> > produced. See "*Org PDF LaTeX Output*" for details > >> > >> Hi Christian, > >> trying to reproduce this on a master (emacs30.0.50) on Ubuntu. To make it really > >> lightweight, I'm starting with > >> emacs -Q > >> but unfortunately, I'm not able to reproduce it here :( > > > > Hi, I've been trying to have a similar example working for hours, specifically I was trying to follow https://orgmode.org/worg/org-contrib/babel/ languages/ob-doc-LaTeX.html[1] > > > > Could you provide more context because if I run emacs -Q here, with the example provided by OP, and type C-c C-c, I just get "no org-babel execute function for latex!". > > So I guess it might have required a little more work than what I've just described. > > > > Here is the setting I've used: > > > > This in my dot-emacs.org file: > > #+begin_src emacs-lisp > > (with-eval-after-load 'org > > (add-to-list 'org-latex-packages-alist '("" "stmaryrd" t)) > > (add-to-list 'org-latex-packages-alist '("" "tikz-cd" t)) > > (add-to-list 'org-latex-packages-alist '("" "amscd" t)) > > (add-to-list 'org-latex-packages-alist '("" "mathtools" t)) > > (add-to-list 'org-latex-packages-alist '("" "unicode-math" t)) > > ;; (add-to-list 'org-latex-packages-alist '("" "breqn" t)) > > (add-to-list 'org-latex-packages-alist '("" "thisisastupidtestfile" t)) > > (setq org-latex-create-formula-image-program 'dvisvgm) ;; probably only this line is relevant with the matter at hand > > (setq org-format-latex-options > > (plist-put org-format-latex-options :scale 0.80))) > > #+end_src > > > > With this, when I put the following in some org file and type C-c C-x C-l I immediately get a org-latex-preview of the tikz snippet: > > \begin{tikzpicture} % > > \draw[->] (-3,0) -- (-2,0) arc[radius=0.5cm,start angle=-180,end angle=0] > > (-1,0) -- (1,0) arc[radius=0.5cm,start angle=180,end angle=0] (2,0) -- (3,0); > > \filldraw (-1.5,0) circle[radius=1mm]; > > \filldraw (1.5,0) circle[radius=1mm]; > > \end{tikzpicture} > > > > Now If I use the following and type C-c C-c, I never get anything in multiple ways: > > Note that I've also tried with imagemagick... > > #+name: test_plot_png > > #+header: :exports results :file test.svg > > #+header: :dvisvgm yes > > #+header: :fit yes :noweb yes :headers '("\\usepackage{tikz}") > > #+begin_src latex :file test.svg > > \begin{tikzpicture} % > > \draw[->] (-3,0) -- (-2,0) arc[radius=0.5cm,start angle=-180,end angle=0] > > (-1,0) -- (1,0) arc[radius=0.5cm,start angle=180,end angle=0] (2,0) -- (3,0); > > \filldraw (-1.5,0) circle[radius=1mm]; > > \filldraw (1.5,0) circle[radius=1mm]; > > \end{tikzpicture} > > #+end_src > > > > Many times a pdf is generated in the /tmp/ directory but that pdf is gibberish. When I go from the latex file to the pdf using pdflatex, only gibberish pdf is generated, no relation with the image that should be generated. > > If instead I use lualatex, the pdf is correctly generated. > > Anyway, I've been experimenting for hours, and I have no idea how to have the thing working. > > > > I also used that code someone gave me: > > #+begin_src emacs-lisp > > (set-variable 'org-preview-latex-process-alist > > '((dvipng :programs ; Was here originally. > > ("latex" "dvipng") > > :description "dvi > png" :message "you need to install the programs: latex and dvipng." :image-input-type "dvi" :image- output-type "png" :image-size-adjust > > (1.0 . 1.0) > > :latex-compiler > > ("latex -interaction nonstopmode -output- directory %o %f") > > :image-converter > > ("dvipng -D %D -T tight -o %O %f")) > > (dvisvgm :programs ; Was here originally. > > ("latex" "dvisvgm") > > :description "dvi > svg" :message "you need to install the programs: latex and dvisvgm." :image-input-type "dvi" :image- output-type "svg" :image-size-adjust > > (1.7 . 1.5) > > :latex-compiler > > ("latex -interaction nonstopmode -output- directory %o %f") > > :image-converter > > ("dvisvgm %f -n -b min -c %S -o %O")) > > (imagemagick :programs ; The recommended "new" way. > > ("latex" "convert") > > :description "pdf > png" :message "you need to install the programs: latex and imagemagick." :image-input-type "pdf" :image-output-type "png" :image-size-adjust > > (1.0 . 1.0) > > :latex-compiler > > ("lualatex -interaction nonstopmode - output-directory %o %f") > > :image-converter > > ("convert -density %D -trim -antialias %f -quality 100 %O")))) > > #+end_src > > > > No luck at all there neither. > > > > BTW, when I do C-c C-c on the OP example, after having evaluated > > #+begin_src emacs-lisp > > (org-babel-do-load-languages > > 'org-babel-load-languages > > '((latex . t))) > > #+end_src > > > > No pdf, no output, only an empty latex file generated in /tmp > > > > > > Bottom line, I'd really like to know how this hole thing is supposed to work. > > org-preview latex working perfectly fine though. > > > > Note: The reason I want to have this working is that I want to export to html. Plain latex formula are displayed very very well using mathjax. But TiKz things are not working. > > So even though I've got a near wysiwyg in emacs, I can't have that exported to html. > > What I'd like to have is plain latex formulas exported to mathjax and tikz diagrams exported using the SVG image. > > Initially my setting wasn't even using imagemagick, only dvisvgm. > > > > Also it seems we have three ways to do the exact same thing: > > org-latex-preview which works perfectly with minimal effort on my box, > > the C-c C-c thing, > > and the org-html-export-to-html thing. > > Each using independent workflow. Though probably not completely independent though. > > > > My emacs is master from a month ago. > > > > Cheers, > > Chris > > > > > > > >> > >> My emacs: > >> > >> GNU Emacs 30.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.33, > >> cairo version 1.16.0) of 2023-03-26 > >> > >> Would you please try again, calling with emacs -Q and giving a couple > >> clues more of your process to confirm... It may be that I'm too modern > >> ;-) > >> > >> Thx, /Pedro A. > >> > >> > > > > > > > > -------- > > [1] https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-LaTeX.html >
