content/tips/presenting.md

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-Title: Tools for making and giving presentations
-Date: 2024-11-03
-Author: Fabrice
-Category: Tips
-Tags: presentation, vim, latex
-Slug: presenting
-Header_Cover: ../images/covers/pts24-talk.jpg
-Summary: Some of the tools I use for making and giving presentations.
-Lang: en
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-
-# Introduction
-
-Over the past year, I have to give quite a few presentations in different
-contexts: internal to the company, for open-source conferences, for business
-conferences…
-
-I use this opportunity to refine a bit my presentation tools, and I just
-summarize them here for curious people.
-
-This page may be updated, for instance if I start using [typst] for slide
-making. If you have subscribed to this blog’s [RSS feed], you will be notified
-of future updates.
-
-# Making Slides
-
-For slide making, I prefer using tools that separate the content from the actual
-design. I’m thus not using fancy WYSIWYG tools for that. If you are not
-interested in that, you can already skip to the [presenting slides] section.
-
-## LaTeX Beamer
-
-As explained in the [typst article], I’m mostly using [LaTeX] to produce/typeset
-documents, and presentations are not an exception. For this purpose I’m using
-[beamer].
-
-For this purpose, my [vim setup for LaTeX] proved to be pretty useful,
-especially with the “on save compilation”. However, the backward search is not
-very accurate with beamer slides.
-
-### Overlays and Graphics
-
-The main advantage, besides my familiarity with [LaTeX], lays in the [overlay]
-system in beamer, that is quite powerful and provides a very precise way to
-display elements, especially with [TikZ] to design animated graphics.
-
-For instance in the example below, I can show the top part of the graph
-initially, then the bottom, and change the name of the last node for the second
-slide. That can be easily adjusted to have more steps in the process.
-
-```latex
-…
-\usetikzlibrary{positioning}
-…
-\begin{tikzpicture}
-  \tikzstyle{node} = [draw, rectangle, fill=blue!40, minimum height=2em]
-  \tikzstyle{arrow} = [->, >=stealth, very thick]
-  \node[node] (start) {Data};
-  \node[node, right=1cm of start] (a1) {Enc($\cdot$)};
-  \node<2->[node, below=5mm of a1] (a2) {Sig($\cdot$)};
-  \node<1>[node, right=1cm of a1] (stop) {Encrypted Data};
-  \node<2->[node, right=1cm of a1] (stop) {Encrypted and Signed Data};
-
-  \draw[arrow] (start) -- (a1);
-  \draw<2->[arrow] (start) -- (a2);
-  \draw[arrow] (a1) -- (stop);
-  \draw<2->[arrow] (a2) -- (stop);
-\end{tikzpicture}
-```
-
-Resulting in:
-
-![The last image from the above code](../examples/tikz-graph.svg "The last image from the above code"){width=66%}
-
-Moreover, you have access to the whole latex ecosystem, especially those for
-neat illustrations such as [tikzpingus].
-
-### Customisation
-
-It is also quite easy to customise slides with beamer. For instance, with
-[metropolis], from its
-[documentation](https://ctan.tetaneutral.net/macros/latex/contrib/beamer-contrib/themes/metropolis/doc/metropolistheme.pdf),
-section 8 describe where to find specific colours. As for the fonts, if you are
-using xelatex/lualatex, a simple `\setmainfont` suffices to redefine it.
-
-For instance, if I want to have the alert text in orange:
-
-```latex
-\setbeamercolor[alerted text]{fg=orange}
-```
-
-### Drawbacks
-
-However, LaTeX starts to slow down quickly, especially with a lot of [TikZ]
-drawings… On documents, it’s not really an issue as it is possible to cache the
-drawings with the `externalize` tikz library. However, when mixing overlays and
-TikZ, it starts to [need some
-tweaks](https://tex.stackexchange.com/questions/78955/use-tikz-external-feature-with-beamer-only).
-I never included them in my workflow as they make TikZ drawings more complicated
-than they are.
-
-## reveal.js
-
-# Presenting Slides {#presenting-slides}
-
-## wl-mirror
-
-## pdfpc
-
-[RSS feed]: /feeds/all.rss.xml
-[typst]: https://typst.app/
-[typst article]: {filename}../software/typst.md
-[presenting slides]: #presenting-slides
-[LaTeX]: https://www.latex-project.org/
-[beamer]: https://ctan.org/pkg/beamer
-[vim setup for LaTeX]: {filename}../software/nvim-latex.md
-[overlay]: https://www.overleaf.com/learn/latex/Beamer_Presentations%3A_A_Tutorial_for_Beginners_(Part_4)%E2%80%94Overlay_Specifications
-[TikZ]: https://www.ctan.org/pkg/pgf
-[tikzpingus]: https://github.com/EagleoutIce/tikzpingus