Skip to contents

Page length and dimensions

Source: R/get_page_dims.R
get_page_dims.Rd

Get Page Length and Dimensions

Usage

get_page_dims(file, doc, pages = NULL, password = NULL, copy = FALSE)

get_n_pages(file, doc, password = NULL, copy = FALSE)

Arguments

file

A character string specifying the path or URL to a PDF file.

doc

Optionally,, in lieu of file, an rJava reference to a PDDocument Java object.

pages

An optional integer vector specifying pages to extract from.

password

Optionally, a character string containing a user password to access a secured PDF.

copy

Specifies whether the original local file(s) should be copied to tempdir() before processing. FALSE by default. The argument is ignored if file is URL.

Value

For get_n_pages, an integer. For get_page_dims, a list of two-element numeric vectors specifying the width and height of each page, respectively.

Details

get_n_pages returns the page length of a PDF document. get_page_dims extracts the dimensions of specified pages in a PDF document. This can be useful for figuring out how to specify the area argument in extract_tables

References

Tabula

See also

extract_tables, extract_text, make_thumbnails

Author

Thomas J. Leeper <thosjleeper@gmail.com>

Examples

# simple demo file
f <- system.file("examples", "mtcars.pdf", package = "tabulapdf")

get_n_pages(file = f)
#> [1] 3
get_page_dims(f)
#> [[1]]
#> [1] 612 792
#> 
#> [[2]]
#> [1] 612 792
#> 
#> [[3]]
#> [1] 612 792
#>