revealjs_presentation {revealjs}

Convert to a reveal.js presentation

Description

Format for converting from R Markdown to a reveal.js presentation.

Usage

revealjs_presentation(incremental = FALSE, center = FALSE,
  slide_level = 2, fig_width = 8, fig_height = 6, fig_retina = if
  (!fig_caption) 2, fig_caption = FALSE, smart = TRUE,
  self_contained = TRUE, theme = "simple", transition = "default",
  background_transition = "default", reveal_options = NULL,
  reveal_plugins = NULL, highlight = "default", mathjax = "default",
  template = "default", css = NULL, includes = NULL, keep_md = FALSE,
  lib_dir = NULL, pandoc_args = NULL, extra_dependencies = NULL, ...)

Arguments

incremental

TRUE to render slide bullets incrementally. Note that if you want to reverse the default incremental behavior for an individual bullet you can precede it with >. For example: > - Bullet Text

center

TRUE to vertically center content on slides

slide_level

Level of heading to denote individual slides. If slide_level is 2 (the default), a two-dimensional layout will be produced, with level 1 headers building horizontally and level 2 headers building vertically. It is not recommended that you use deeper nesting of section levels with reveal.js.

fig_width

Default width (in inches) for figures

fig_height

Default width (in inches) for figures

fig_retina

Scaling to perform for retina displays (defaults to 2, which currently works for all widely used retina displays). Set to NULL to prevent retina scaling. Note that this will always be NULL when keep_md is specified (this is because fig_retina relies on outputting HTML directly into the markdown document).

fig_caption

TRUE to render figures with captions

smart

Produce typographically correct output, converting straight quotes to curly quotes, — to em-dashes, – to en-dashes, and ... to ellipses.

self_contained

Produce a standalone HTML file with no external dependencies, using data: URIs to incorporate the contents of linked scripts, stylesheets, images, and videos. Note that even for self contained documents MathJax is still loaded externally (this is necessary because of it's size).

theme

Visual theme ("simple", "sky", "beige", "serif", "solarized", "blood", "moon", "night", "black", "league" or "white").

transition

Slide transition ("default", "none", "fade", "slide", "convex", "concave" or "zoom")

background_transition

Slide background-transition ("default", "none", "fade", "slide", "convex", "concave" or "zoom")

reveal_options

Additional options to specify for reveal.js (see https://github.com/hakimel/reveal.js#configuration for details).

reveal_plugins

Reveal plugins to include. Available plugins include "notes", "search", "zoom", "chalkboard", and "menu". Note that self_contained must be set to FALSE in order to use Reveal plugins.

highlight

Syntax highlighting style. Supported styles include "default", "tango", "pygments", "kate", "monochrome", "espresso", "zenburn", and "haddock". Pass NULL to prevent syntax highlighting.

mathjax

Include mathjax. The "default" option uses an https URL from the official MathJax CDN. The "local" option uses a local version of MathJax (which is copied into the output directory). You can pass an alternate URL or pass NULL to exclude MathJax entirely.

template

Pandoc template to use for rendering. Pass "default" to use the rmarkdown package default template; pass NULL to use pandoc's built-in template; pass a path to use a custom template that you've created. Note that if you don't use the "default" template then some features of revealjs_presentation won't be available (see the Templates section below for more details).

css

One or more css files to include

includes

Named list of additional content to include within the document (typically created using the includes function).

keep_md

Keep the markdown file generated by knitting.

lib_dir

Directory to copy dependent HTML libraries (e.g. jquery, bootstrap, etc.) into. By default this will be the name of the document with _files appended to it.

pandoc_args

Additional command line options to pass to pandoc

extra_dependencies

Additional function arguments to pass to the base R Markdown HTML output formatter rmarkdown::html_document_base().

...

Ignored

Details

In reveal.js presentations you can use level 1 or level 2 headers for slides. If you use a mix of level 1 and level 2 headers then a two-dimensional layout will be produced, with level 1 headers building horizontally and level 2 headers building vertically.

For additional documentation on using revealjs presentations see https://github.com/rstudio/revealjs.

Value

R Markdown output format to pass to render

Examples

## Not run: 

library(rmarkdown)
library(revealjs)

# simple invocation
render("pres.Rmd", revealjs_presentation())

# specify an option for incremental rendering
render("pres.Rmd", revealjs_presentation(incremental = TRUE))

## End(Not run)