getMODIS_names obtains names of available MODIS products from USGS Earth Explorer. They can optionally be used with the getMODIS_query function for querying a specific MODIS product instead of all.

getMODIS_names(username = NULL, password = NULL)

Arguments

username

character, a valid user name to the USGS EROS Registration System (ERS). If NULL (default), the session-wide login credentials are used (see login_USGS for details on registration).

password

character, the password to the specified user account. If NULL (default) and no seesion-wide password is defined, it is asked interactively ((see login_USGS for details on registration).

Value

A character vector

See also

Examples

## Load packages library(getSpatialData) library(sf) ## set aoi and time range for the query set_aoi(aoi_data[[1]]) time_range <- c("2017-08-01", "2017-08-30") ## Login to USGS ERS
# NOT RUN { login_USGS("username") ## set archive directory set_archive("/path/to/archive/") ## get available products and select one product_names <- getMODIS_names() product <- grep("MOD13Q1", product_names, value = T) ## query for records for your AOI, time range and product query <- getMODIS_query(time_range = time_range, name = product) ## preview a record getMODIS_preview(query[1,]) ## download records 1 and 2 files <- getMODIS_data(query[1:2,]) # }