format_ncdf: Return an array with ncdf data

In HelpersMG: Tools for Environmental Analyses, Ecotoxicology and Various R Functions

Return an array with ncdf data

Description

Return a list with two elements: data is an array and time is the POSIX.lt time.
Or if label.time is NULL or if bathy is TRUE, a bathy object.
If varid is NULL, it shows the available variable and dimensions of the file.
Bathymetry data can be download here:
https://www.gebco.net/data_and_products/gridded_bathymetry_data/#global

Usage

format_ncdf(
  ncdf,
  label.latitude = "latitude",
  label.longitude = "longitude",
  label.time = "time",
  varid = NULL,
  longitude1 = NA,
  latitude1 = NA,
  longitude2 = NA,
  latitude2 = NA,
  package = "ncdf4",
  bathy = TRUE
)

Arguments

ncdf	An object read from package ncdf4 or a file name of ncdf file
label.latitude	Label of latitude
label.longitude	Label of longitude
label.time	Label of time
varid	Name of variable to extract
longitude1	Longitude for first corner
latitude1	latitude for first corner
longitude2	Longitude for second corner
latitude2	latitude for second corner
package	If ncdf is a file, give the package to use to open the file
bathy	If TRUE, return a bathy object

Details

format_ncdf is used extract information from ncdf file

Value

A list with two element: data is an array and time is the POSIX.lt time

Author(s)

Marc Girondot [e-mail]

See Also

Other ncdf: ind_long_lat()

Examples

## Not run: 
url <- "https://downloads.psl.noaa.gov/Datasets/noaa.oisst.v2.highres/"
url <- paste0(url, "sst.day.mean.2012.v2.nc")
dest <- paste(Sys.getenv("HOME"), "/sst.day.mean.2012.v2.nc", sep="")
download.file(url, dest)
format_ncdf(dest)

## End(Not run)

HelpersMG documentation built on Sept. 12, 2024, 9:35 a.m.