Page length and dimensions

Get Page Length and Dimensions

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 <[email protected]>

Examples

# \donttest{
# simple demo file
f <- system.file("examples", "data.pdf", package = "tabulizer")

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