wavespectra.core.select.sel_idw#
- wavespectra.core.select.sel_idw(dset, lons, lats, tolerance=2.0, max_sites=4, sitename='site', lonname='lon', latname='lat')[source]#
Select sites from inverse distance weighting.
- Parameters:
dset (Dataset) – Stations SpecDataset to interpolate from.
lons (array) – Longitude of sites to interpolate spectra at.
lats (array) – Latitude of sites to interpolate spectra at.
tolerance (float) – Maximum distance to use site for interpolation.
max_sites (int) – Maximum number of neighbour sites to use for interpolation.
sitename (str) – Name of site dimension.
lonname (str) – Name of longitude coordinate.
latname (str) – Name of latitude coordinate.
- Returns:
Selected SpecDataset at locations defined by (lons, lats).
Note
- Args dset_lons, dset_lats are not required but can improve performance when
dset is chunked with site=1 (expensive to access station coordinates) and improve precision if projected coordinates are provided at high latitudes.