pdfPageExtract: Interface to 'gs' to extract a range of pages from a PDF file

In schmidtchristoph/js2graphic: Saving JavaScript Generated Plots As Graphics File

Description

Extract a range of pages from a PDF file. Preserves hyperlinks that fall within the selected page range.

Usage

pdfPageExtract(fileName, firstP = NULL, lastP = NULL, outFileName = NULL)

Arguments

fileName	character string denoting the path/ name of the input PDF file
firstP	integer denoting the first extracted page
lastP	integer denoting the last extracted page
outFileName	character string denoting the name of the output PDF file. If not specified, it is "[fileName]_pages[firstP]_[lastP].pdf".

Value

Returns nothing, but as a side effect saves the extracted pages as a new .pdf file.

Note

This function is based on Ghostscript.

Author(s)

Christoph Schmidt <[e-mail]>

See Also

GPL Ghostscript https://www.ghostscript.com

Examples

library(d3heatmap)
p <- d3heatmap(mtcars, scale = "column", colors = "Blues")
# pdf contains three pages (1 plot, 2 empty ones)
jsGraphic2Pdf(p, c(2500, 2000, 50, 50))
pdfPageExtract("JSgraphic.pdf", 1, 1)
pdfPageExtract("JSgraphic.pdf", 1, 1, "JSgraphic.pdf")

file.remove("JSgraphic.pdf", "JSgraphic_pages1_1.pdf", "JSgraphic_extr.pdf")

schmidtchristoph/js2graphic documentation built on May 21, 2019, 10:08 a.m.