get_url_copernicus: Get url's of COPERNICUS products

In antoinestevens/copernicus: Download and Extract COPERNICUS Global Land Vegetation Products

Description

Get COPERNICUS url's for a given product, tile, and period of time

Usage

get_url_copernicus(product,begin,end,tileH,tileV,groupByDate,server,check_version = FALSE)

Arguments

product	one of the following: 'NDVI_1km_V1' (Normalized Difference Vegetation Index - VGT instrument),'NDVI_1km_V2' (Normalized Difference Vegetation Index - PROBAV instrument),'LAI' (Leaf Area Index),'FCOVER' (Fraction of Vegetation Green Cover), 'FAPAR' (Fraction of Absorbed Photosynthetically Active Radiation),'VCI' (Vegetation Condition Index),'VPI' (Vegetation Productivity Index), 'DMP' (Dry Matter Productivity),'BA' (Burnt Areas)
begin	begin of the time serie. Date object, numeric or character of length 1 that can be transformed to a Date using ymd. See ?ymd for more details. ymj format is also accepted (with j being the day of the year)
end	end of the time serie. Same format as begin
tileH	H index of the tile COPERNICUS system (numeric or character)
tileV	V index of the tile COPERNICUS system (numeric or character)
groupByDate	logical value indicating whether to return a list of vector with url's grouped by date, or a vector of url's. Default is FALSE.
server	url of the COPERNICUS data server. Default to 'http://land.copernicus.vgt.vito.be/PDF///datapool/Vegetation/', see 'copernicus_options('server')'
check_version	logical value indicating whether the algorithm version should be checked on the server data portal. Default to FALSE. See check_version_copernicus

Value

a character vector of url('s)

Author(s)

Antoine Stevens

Examples

# URL's for LAI product, for JAN 2014 and tiles (h=19,v=3) and (h=20,v=4)
get_url_copernicus(product = 'LAI',begin = '20140101', end = '20140131',
                   tileH = 19:20, tileV = 3:4)
get_url_copernicus(product = 'NDVI_1km_V2',begin = '20130101', end = '20130131',
                   tileH = 19:20, tileV = 3:4)

antoinestevens/copernicus documentation built on May 10, 2019, 12:23 p.m.