gpm_download: Download IMERG v05B Final, Early and Late Run
In csaybar/gpm: Download the IMERG level 3 Products using R

Description Usage Arguments Details Author(s) Examples

View source: R/gpm_download.R

Download IMERG v05B Final, Early and Late Run.

1
2
3

gpm_download(path, user, password, dates, product, band = 6,
  lonMin = -86, lonMax = -66, latMin = -19.25, latMax = 1.25,
  removeHDF5 = TRUE, quiet = TRUE, n = 1, s = 2600000)

`path`	path (character). The default corresponds to the working directory, getwd(). Missing values will be ignored.
`user`	pmm user (character). See https://pmm.nasa.gov/data-access/downloads/gpm
`password`	pmm password (character). See https://pmm.nasa.gov/data-access/downloads/gpm
`dates`	sequences of days.
`product`	IMERG product (character). Currently are supported: 'finalrun', 'late' and 'early'.
`band`	The available bands are: band "HQobservationTime" = 1. band "HQprecipSource" = 2. band "HQprecipitation" = 3. band "IRkalmanFilterWeight" = 4. band "IRprecipitation" = 5. band "precipitationCal" = 6. band "precipitationUncal" = 7. band "probabilityLiquidPrecipitation" = 8. band "randomError" = 9.
`lonMin`	Minimum latitude of bounding box
`lonMax`	Maximum latitude of bounding box
`latMin`	Minimum longitude of bounding box
`latMax`	Maximum longitude of bounding box
`removeHDF5`	Remove HD5 files after the conversion to GEOTIFF
`quiet`	logical; suppress info of the download.
`n`	Specify maximum number of connections (axel parameter)
`s`	Specify maximum speed (bytes per second)

You need to have installed "Axel download accelerator application" and GDAL. Obs: If you are using Windows, the executables of "GDAL" and "AXEL" must be set as system variables. For install axel try the following:

Ubuntu/Debian users: apt-get install axel
Windows users: gpm_getaxel()

The use of the "PPS" ftp to download GPM and TRMM data is free, but you first need register your email address in http://registration.pps.eosdis.nasa.gov/registration/. You can found more information about axel here:
https://github.com/axel-download-accelerator/axel/.

Cesar Aybar

## Not run: 
gpm_download(path = '.',
            user = 'you_user@gmail.com',
            password = 'you_user@gmail.com',
            dates = c('2018-01-01'),
            product = 'finalrun')

## End(Not run)