rsi (version 0.3.2)

alos_palsar_mask_function: Create an ALOS PALSAR mask raster from the mask band

Description

Create an ALOS PALSAR mask raster from the mask band

Usage

alos_palsar_mask_function(raster, include = c("land", "water", "both"))

Value

A boolean raster to be used to mask an ALOS PALSAR image

Arguments

raster

The mask band of an ALOS PALSAR image

include

Include pixels that represent land, water, or both? Passing c("land", "water") is identical to passing "both".

Examples

if (FALSE) { # interactive()
aoi <- sf::st_point(c(-74.912131, 44.080410))
aoi <- sf::st_set_crs(sf::st_sfc(aoi), 4326)
aoi <- sf::st_buffer(sf::st_transform(aoi, 5070), 100)

palsar_image <- get_alos_palsar_imagery(
  aoi,
  start_date = "2021-01-01",
  end_date = "2021-12-31",
  mask_function = alos_palsar_mask_function,
  output_file = tempfile(fileext = ".tif"),
  gdalwarp_options = c(
    rsi::rsi_gdalwarp_options(),
    "-srcnodata", "nan"
  )
)
}