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fixed figures by using Sweave environments in hooks #4

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May 20, 2014
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fixed figures by using Sweave environments in hooks #4

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11 changes: 7 additions & 4 deletions R/rjournal_article.R
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Expand Up @@ -22,18 +22,21 @@ rjournal_article <- function() {
# Mostly copied from knitr::render_sweave
base$knitr$opts_chunk$comment <- "#>"

hook_chunk <- function(x, options) {
hook_chunk = function(x, options) {
if (knitr:::output_asis(x, options)) return(x)
paste0('\\begin{example}\n', x, '\\end{example}')
paste('\\begin{Schunk}\n', x, '\\end{Schunk}', sep = '')
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This is no longer preferred style for the R Journal. I think the only bit you really need is the knit_hooks$plot below.

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No, because the example environment is an extension of Verbatim, and you can't includegraphics inside it.

Could use the example environment in the input and output hooks?

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Oh I see. I thought example was alltt so you could include plots.

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example* is!

}
hook_input <- function(x, options) paste0(x, "\n")
hook_output <- function(x, options) paste0(x, "\n")
hook_input <- function(x, options)
paste(c('\\begin{Sinput}', knitr:::hilight_source(x, 'sweave', options), '\\end{Sinput}', ''),
collapse = '\n')
hook_output <- function(x, options) paste('\\begin{Soutput}\n', x, '\\end{Soutput}\n', sep = '')

base$knitr$knit_hooks$chunk <- hook_chunk
base$knitr$knit_hooks$source <- hook_input
base$knitr$knit_hooks$output <- hook_output
base$knitr$knit_hooks$message <- hook_output
base$knitr$knit_hooks$warning <- hook_output
base$knitr$knit_hooks$plot <- knitr:::hook_plot_tex

base
}
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