subsetNC: Subset NetCDF files by x,y,time or variable

In RS-eco/processNC: R Package for processing large NetCDF files

Subset NetCDF files by x,y,time or variable

Description

Subset a NetCDF file by a spatial extent (x,y), time or variable and output it as a raster stack

Usage

subsetNC(
  files,
  startdate = NA,
  enddate = NA,
  ext = "",
  varid = "",
  filename = "",
  format = "raster",
  overwrite = FALSE
)

Arguments

files	character. File path.
startdate	integer. Start year.
enddate	integer. End year.
ext	integer. Extent object.
varid	character. Variable that should be extracted.
filename	character. Output filename.
format	character. Output file type. See writeRaster for different Options. The default format is "raster".
overwrite	logical. Should file be overwritten or not.

Value

A numeric raster stack with the cropped NetCDF data.

Examples

files <- list.files(paste0(system.file(package="processNC"), "/extdata"), 
                    pattern="tas.*\\.nc", full.names=TRUE)
subsetNC(files, ext=c(8.5, 14, 47, 51), startdate=1990, enddate=1999)

RS-eco/processNC documentation built on Aug. 7, 2023, 8:12 a.m.