i am facing a problem with the new possibility of taking a screenshot of html widgets for further implementation, in for example pdf document. The screenshot of the datatable
(DT
package) has too high height, which appears as a white space in rmarkdown
document (it is easily spotted by the position of the fig.cap
, that is way below the end of the datatable
).i cannot understand why is this happening and i would like to remove it (no white space under the datatable
). Have a look at the example below for the test.Rmd
which fully shows the problem:
---
output:
pdf_document:
toc: yes
header-includes:
- \usepackage{fancyhdr}
- \usepackage[ngerman]{babel}
---
\addtolength{\headheight}{1.0cm}
\pagestyle{fancyplain}
\renewcommand{\headrulewidth}{0.4pt}
\renewcommand{\footrulewidth}{0.4pt}
\chead{Test}
\lhead{\scriptsize\today}
```{r, fig.align='center', fig.pos='htb!', fig.width=12, fig.cap="The height of screenshot is too high!!",fig.height=3,echo=FALSE, cache=FALSE, warning = FALSE, message = FALSE, tidy=TRUE}
library(DT)
library(webshot)
datatable(mtcars[1:2,],rownames=FALSE, options = list(dom='t',ordering=F))
```
datatable
, and i have noticed if the datatable
has > 20 rows then figure is well displayed with the caption.rmarkdown
is a downloable report that belongs to shiny app
), thats why in example i have used only two rows from mtcars
dataset. Can you try to add the following to r chunk
and see if this works:
screenshot.opts = list(delay = 1, cliprect = c(0, 0, 1000, 150)), dev='jpeg'
I had this issue in a Shiny app using renderUI
to render a datatable
object. I had to add width = 100%
and height = 100%
. So maybe try:
datatable(mtcars[1:2, ], rownames = FALSE, options = list(dom = "t", ordering = F), height = "100%")
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