extent: Derive the spatiotemporal extent of an image collection

Description Usage Arguments Value Examples

View source: R/image_collection.R

Description

Derive the spatiotemporal extent of an image collection

Usage

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extent(x, srs = "EPSG:4326")

Arguments

x

image collection proxy object

srs

target spatial reference system

Value

a list with elements left, right, bottom, top, t0 (start date/time), and t1 (end date/time)

Examples

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# create image collection from example Landsat data only 
# if not already done in other examples
if (!file.exists(file.path(tempdir(), "L8.db"))) {
  L8_files <- list.files(system.file("L8NY18", package = "gdalcubes"),
                         ".TIF", recursive = TRUE, full.names = TRUE)
  create_image_collection(L8_files, "L8_L1TP", file.path(tempdir(), "L8.db")) 
}

L8.col = image_collection(file.path(tempdir(), "L8.db"))
extent(L8.col,"EPSG:32618")
cube_view(extent=extent(L8.col,"EPSG:32618"),
          srs="EPSG:32618", nx = 497, ny=526, dt="P1M")

appelmar/gdalcubes_R documentation built on Sept. 11, 2019, 5:47 a.m.