knitr (version 1.12.3)

plot_crop: Crop a plot (remove the edges) using PDFCrop or ImageMagick

Description

The command pdfcrop x x is executed on a PDF plot file, and convert x -trim x is executed for other types of plot files, where x is the plot filename.

Usage

plot_crop(x, quiet = !opts_knit$get("progress"))

Arguments

x
the plot filename
quiet
whether to suppress standard output from the command line utility

Value

  • The original filename.

Details

The utility pdfcrop is often shipped with a LaTeX distribution, and convert is a command in ImageMagick (Windows users may have to put the bin path of ImageMagick into the PATH variable).

References

PDFCrop: http://pdfcrop.sourceforge.net; the convert command in ImageMagick: http://www.imagemagick.org/script/convert.php