cs_img {webchem}

Download images from ChemSpider

Description

Retrieve images of substances from ChemSpider and export them in PNG format.

Usage

cs_img(
  csid,
  dir,
  overwrite = TRUE,
  apikey = NULL,
  verbose = getOption("verbose")
)

Arguments

csid

numeric; the ChemSpider ID (CSID) of the substance. This will also be the name of the image file.

dir

character; the download directory. dir accepts both absolute and relative paths.

overwrite

logical; should existing files in the directory with the same name be overwritten?

apikey

character; your API key. If NULL (default), cs_check_key() will look for it in .Renviron or .Rprofile.

verbose

logical; should a verbose output be printed on the console?

Note

An API key is needed. Register at https://developer.rsc.org/ for an API key. Please respect the Terms & Conditions. The Terms & Conditions can be found at https://developer.rsc.org/terms.

References

https://developer.rsc.org/docs/compounds-v1-trial/1/overview

See Also

get_csid, cs_check_key

Examples

## Not run: 
cs_img(c(582, 682), dir = tempdir())

## End(Not run)