mirror of
https://github.com/appelmar/gdalcubes.git
synced 2025-02-22 23:24:13 +01:00
32 lines
981 B
R
32 lines
981 B
R
% Generated by roxygen2: do not edit by hand
|
|
% Please edit documentation in R/cube.R
|
|
\name{nbands}
|
|
\alias{nbands}
|
|
\title{Query data cube properties}
|
|
\usage{
|
|
nbands(obj)
|
|
}
|
|
\arguments{
|
|
\item{obj}{a data cube proxy object (class cube)}
|
|
}
|
|
\value{
|
|
Number of bands
|
|
}
|
|
\description{
|
|
Query data cube properties
|
|
}
|
|
\examples{
|
|
# 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"), quiet = TRUE)
|
|
}
|
|
|
|
L8.col = image_collection(file.path(tempdir(), "L8.db"))
|
|
v = cube_view(extent=list(left=388941.2, right=766552.4,
|
|
bottom=4345299, top=4744931, t0="2018-04", t1="2018-06"),
|
|
srs="EPSG:32618", nx = 497, ny=526, dt="P1M")
|
|
nbands(raster_cube(L8.col, v))
|
|
}
|