earth_asset: Call Asset API

In Eflores89/nasadata: Interface to Various NASA API's

Description

Calls NASA's Earth Imagery Assets API and returns data.frame with information on time and location of images between two dates.

Usage

earth_asset(key, lon, lat, start_date, end_date = Sys.Date())

Arguments

key	Key for API authentication.
lon	Longitud of coordinate position.
lat	Latitud of coordinate position.
start_date	Start date to search for image. In YYYY-MM-DD format.
end_date	End date to search for image. In YYYY-MM-DD format. Defaults to current system date.

Value

Returns a data.frame containing the following columns:

date	date of the sample
id	identifier of the sample or "NO RESULTS"
type	type of the sample, currenlty always "Point"
coordinates	latitude and longitude as a string delimited by a space

Examples

## Not run: 
key <- "123key"
img <- earth_asset(key, -100.31008, 25.66779, "2016-01-01")

## End(Not run)

Eflores89/nasadata documentation built on May 6, 2019, 3:23 p.m.