shr_get_url: Get URLs of Sentinel datasets

In ptaconet/shub4r: A personal interface to the Sentinel Hub OGC web services

Description

This function enables to retrieve WMS URLs of Sentinel products given a collection, a ROI, a time frame and a set of bands of interest.

Usage

shr_get_url(collection, variables, roi, time_range,
  cloud_cover_max = NULL, instance_id = NULL, verbose = FALSE)

Details

Available collections : S2L2A, S1-AWS-IW-VVVH

Available dimensions :

• for collection S2L2A : 1_TRUE_COLOR, 2_FALSE_COLOR, 3_NDVI, 4_FALSE_COLOR, 5_MOISTURE_INDEX, 6_SWIR, 7-NDWI, 8_NDSI, 9_SCENE_CLASSIFICATION, B01, B02, etc... B12

• for collection S1-AWS-IW-VVVH : towrite

Value

a data.frame with one row for each dataset and 3 columns :

• *time_start*: Start Date/time for the dataset

• *name*: An indicative name for the dataset

• *url*: WMS URL for the dataset

Author(s)

Paul Taconet, IRD [e-mail]

Examples

## Not run: 
# login to the wms server
log_s1 <- shr_login(Sys.getenv("instance_id_shub_s1"),"sentinel1")
log_s2 <- shr_login(Sys.getenv("instance_id_shub_s2"),"sentinel2")

roi <- sf::st_as_sf(data.frame(geom="POLYGON ((-5.82 9.54, -5.42 9.55, -5.41 8.84, -5.81 8.84, -5.82 9.54))"),wkt="geom",crs = 4326)
time_range<-as.Date(c("2017-01-01","2017-01-30"))

(s1_urls <-shr_get_url(collection = "S1-AWS-IW-VVVH", variables = c("VV","VH") ,roi = roi, time_range = time_range))

(s2l2a_urls <-shr_get_url(collection = "S2L2A", variables = c("B04","B08","B8A","B11","9_SCENE_CLASSIFICATION") ,roi = roi, time_range = time_range))

## End(Not run)

ptaconet/shub4r documentation built on March 21, 2021, 1:26 a.m.