query_direct: Query a direct data download webpage such as <URL:...
In BigelowLab/obpgcrawler: obpgcrawler

This is fairly centric to 'Mapped' level data but some flexibility is provided to access other levels of data.

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query_direct(base_uri = "https://oceandata.sci.gsfc.nasa.gov",
  mission = "MODIS-Aqua", level = "Mapped", freq = "Daily",
  res = "4km", param = "chlor_a", year = 2016, alt_uri = NULL)

`base_uri`	character Oceandata's base uri (default 'http://oceandata.sci.gsfc.nasa.gov')
`mission`	character one mission listed at base_uri (default 'MODIS-Aqua')
`level`	character level of processing is mission dependent. See http://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua for an example. (default 'Mapped')
`freq`	character (or NULL, "" or NA) Some mission levels are processed at various freqencies. See http://oceandata.sci.gsfc.nasa.gov/MODIS-Aqua/Mapped. The default ('Daily') assumes there is a choice, but skip this by setting to `freq` to `NULL`, `NA` or `""`.
`res`	character (or NULL, "" or NA) resolution. Defaults to '4km' but you can skip this by setting to `freq` to `NULL`, `NA` or `""`.
`param`	character the name of the parameter
`year`	numeric (or character) year (2016 default)
`alt_uri`	character or NULL. Use this to specify your own full uri which ignores other parameters.