readINCABIL | R Documentation |
Read an INCA file in the BIL format from a .tar.gz archive.
readINCABIL(
filename,
times = "first",
date = NULL,
remove = FALSE,
CoSys = NULL,
ex = NULL,
tz = "utc",
form = "stack"
)
filename |
A character string to the file to be read in |
times |
A character string giving the element of the BIL file to be read in. One of 'first', 'last', 'all', 'date'. See details. |
date |
A POSIXct date or NULL. Only evaluated if times == date |
remove |
Logical. Remove the processed files? |
CoSys |
A character string giving the coordinate system of the raster or NULL. |
ex |
Either an extent, a numerical vector that can be coerced to an extent object or NULL. |
tz |
A character string giving the time zone |
form |
A character string. May be either 'list' or 'stack' |
Both uncompressed and compressed (.tar.gz) files can be processed. If uncompressed, only the filename without extension must be provided.#'
A named (date and time) list with rasters if form == 'list'
, or, if form == 'stack'
a raster stack
Simon Frey
raster readBin proj4string crs writeINCABIL extent
# file to load
file <- paste(path.package("ZAMGR"),"/extdata/INCA_TT.tar.gz",sep="")
# reading a compressed file
x <- readINCABIL(file)
# plot the results
plot(x[[1]])
# compress first and then read
file <- untar(file, exdir = tempdir())
file <- dir(path = tempdir(), pattern = ".bil", full.names = TRUE)
x <- readINCABIL(file = gsub(".bil", replacement = "", file), times = "all")
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