上图的标题使用了Knitr(LaTeX/PDF) [英] Caption above figure using knitr (LaTeX/PDF)

问题描述

我想在texmaker中使用knitr将标题放在图形上方. 我知道这个问题已经被提出，并且我知道到目前为止建议的解决方案是使用:

I would like to place the caption above the figure using knitr in texmaker. I know that this question has already been asked, and I understand that the solution suggested so far is to use:

\begin{figure} 
\caption{This is a caption above the figure} 
<<a-plot, echo=FALSE>>= 
plot(1) 
@ 
\end{figure} 

但是以这种方式，我无法显示代码(自echo=FALSE起). 如果我选择echo=TRUE，我得到的是标题，代码，图形，这也不是我想要的. 我想显示的是R，(和)用该R代码绘制的图形的代码，并在图形的标题上方.

But in this way I cannot show the code (since echo=FALSE). And if I choose instead echo=TRUE, what I get is the caption, then the codes, and then the graph, which is also not what I want. What I would like to show is the code for R, (and) the graph plotted with that R code, with the caption above the graph.

推荐答案

尝试使用钩子:

<<include=FALSE>>=
f <- function(x, options) {
  paste("\\end{kframe}\n", 
        "\\caption{", options$capT, "}\n", 
        hook_plot_tex(x, options), 
        "\n\\begin{kframe}", sep = "")
}
knit_hooks$set(plot = f)
@

\begin{figure} 
<<a-plot, echo=TRUE, capT="cap, cap, and cap">>= 
plot(1) 
@ 
\end{figure} 

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