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

plot_crop {knitr} | R Documentation

## 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 = TRUE)

### Arguments

`x` | Filename of the plot.
`quiet` | Boolean; whether to suppress standard output from the command line utility.

### 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).

### Value

The original filename.

### References

PDFCrop: https://www.ctan.org/pkg/pdfcrop; the `convert` command in ImageMagick: http://www.imagemagick.org/script/convert.php

[Package knitr version 1.20 Index]