xcdat.create_bounds

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xcdat.create_bounds#

xcdat.create_bounds(axis, coord_var)[source]#

Creates bounds for an axis using coordinate points as midpoints.

This method uses each coordinate point as the midpoint between its lower and upper bound.

Parameters:

  • axis (CFAxisKey) – The CF axis key (“X”, “Y”, “T” ,”Z”).

  • coord_var (xr.DataArray) – The coordinate variable for the axis.

Returns:

xr.DataArray – The axis coordinate bounds.

Raises:

ValueError – If coords dimensions does not equal 1.

Notes

Based on [2] iris.coords._guess_bounds and [3] cf_xarray.accessor.add_bounds.

For temporal coordinates create_bounds will attempt to set the bounds to the start and end of each time step’s period. Time axes are expected to be composed of cftime objects.

References

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