Download Geostreams data from Clowder API

Download Geostreams data from Clowder API

download.Geostreams(outfolder, sitename, start_date, end_date,
  url = "https://terraref.ncsa.illinois.edu/clowder/api/geostreams",
  key = NULL, user = NULL, pass = NULL, ...)

Arguments

outfolder	directory in which to save json result. Will be created if necessary
sitename	character. Must match a Geostreams sensor_name
start_date, end_date	datetime
url	base url for Clowder host
key, user, pass	authentication info for Clowder host.
...	other arguments passed as query parameters

Details

Depending on the setup of your Clowder host, authentication may be by username/password, by API key, or skipped entirely. download.Geostreams looks first in its call arguments for an API key, then a username and password, then if these are NULL it looks in the user's home directory for a file named `~/.pecan.clowder.xml`, and finally if no keys or passwords are found there it attempts to connect unauthenticated.

If using `~/.pecan.clowder.xml`, it must be a valid PEcAn-formatted XML settings file and must contain a <clowder> key that specifies hostname, user, and password for your Clowder server:

  <?xml version="1.0"?>
  <pecan>
    <clowder>
      <hostname>terraref.ncsa.illinois.edu</hostname>
      <user>yourname</user>
      <password>superSecretPassw0rd</password>
    </clowder>
  </pecan>

Examples

# NOT RUN {
 download.Geostreams(outfolder = "~/output/dbfiles/Clowder_EF",
                     sitename = "UIUC Energy Farm - CEN",
                     start_date = "2016-01-01", end_date="2016-12-31",
                     key="verysecret")
# }