select_query

This function is called by the select_query module and loads an FAPAR raster for the selected area.

select_query(poly, date, token, logger = NULL)

Arguments

poly

matrix. Coordinates of area to load

date

character. Date of image to load in YYYY-MM-DD format.

token

character. NASA Earthdata API token. Click here to register and then follow these instructions to obtain one. Alternatively supply your username and password to get_nasa_token()

logger

Stores all notification messages to be displayed in the Log Window. Insert the logger reactive list here for running in shiny, otherwise leave the default NULL

Value

a SpatRaster object

Author

Simon Smart simon.smart@cantab.net

Examples

if (FALSE) { # \dontrun{
 poly <- matrix(c(0.5, 0.5, 1, 1, 0.5, 52, 52.5, 52.5, 52, 52), ncol = 2)
 colnames(poly) <- c("longitude", "latitude")
 date <- "2023-06-20"
 token <- get_nasa_token(username = "<username>", password = "<password>")
 ras <- select_query(poly, date, token)
 } # }