getModis: Find and download MODIS products

In ani-ghosh/luna_dev: Satellite Remote Sensing (Earth Observation) data analysis

Description

Find and download MODIS data for a specific product, area, and time period. The function returned is list of filenames that may have been downloaded.

Usage

getModis(product, start_date, end_date, aoi, download = FALSE, path, version="006", limit=100000, server="LP DAAC", ...)

Arguments

product	character. Supported products can be found using getProducts
start_date	character. Start date for the data requested formatted yyyy-m-d
end_date	Character. end date for the data requested formatted yyyy-m-d
aoi	numeric vector of four elements (minimum longitude, maximum longitude, minimum latitude, maximum latitude) encompassing the area of interest. Or a SpatExtent or Extent object, or any object from which an Extent can be extracted (see examples)
download	logical. If TRUE data will be downloaded unless it is present in the download directory
path	character. Path name indicating where to store the data
version	character
limit	integer > 0
server	character
...	Additional arguments. These can be product specific. See Details)

Details

If no data is available between start_date and end_date, files for the closest dates are returned.

Value

character vector of file names pointing to the downloaded files (if download=TRUE)

References

https://rspatial.org/terra/modis/

See Also

getProducts

Examples

  
product <- "MOD09A1"
sdate <- "2019-05-17" 
edate <- "2019-05-23"
area <- c(33, 34, -5, -4)
dir <- tempdir()
f <- getModis(product = product,
            start_date = sdate, end_date = edate,
            aoi = area, download = FALSE, path=dir)

ani-ghosh/luna_dev documentation built on Nov. 18, 2019, 12:02 a.m.