Source code for pygmt.io

"""
PyGMT input/output (I/O) utilities.
"""

import xarray as xr


[docs] def load_dataarray(filename_or_obj, **kwargs): """ Open, load into memory, and close a DataArray from a file or file-like object containing a single data variable. This is a thin wrapper around :py:func:`xarray.open_dataarray`. It differs from :py:func:`xarray.open_dataarray` in that it loads the DataArray into memory, gets GMT specific metadata about the grid via :py:meth:`GMTDataArrayAccessor`, closes the file, and returns the DataArray. In contrast, :py:func:`xarray.open_dataarray` keeps the file handle open and lazy loads its contents. All parameters are passed directly to :py:func:`xarray.open_dataarray`. See that documentation for further details. Parameters ---------- filename_or_obj : str or pathlib.Path or file-like or DataStore Strings and Path objects are interpreted as a path to a netCDF file or an OpenDAP URL and opened with python-netCDF4, unless the filename ends with .gz, in which case the file is gunzipped and opened with scipy.io.netcdf (only netCDF3 supported). Byte-strings or file-like objects are opened by scipy.io.netcdf (netCDF3) or h5py (netCDF4/HDF). Returns ------- datarray : xarray.DataArray The newly created DataArray. See Also -------- xarray.open_dataarray """ if "cache" in kwargs: msg = "'cache' has no effect in this context." raise TypeError(msg) with xr.open_dataarray(filename_or_obj, **kwargs) as dataarray: result = dataarray.load() _ = result.gmt # load GMTDataArray accessor information return result