pycontrails.datalib.dwd.ods¶

DWD Open Data Server utilities.

Functions

`get`(rpath, lpath)	Get data file from Open Data Server.
`global_latitude_rpath`(forecast)	Get path to remote latitude file for global icosahedral grid.
`global_longitude_rpath`(forecast)	Get path to remote longitude file for global icosahedral grid.
`list_forecast_steps`(domain, forecast)	List forecast steps available for a given forecast cycle.
`list_forecasts`(domain)	List available forecast cycles.
`rpath`(domain, forecast, variable, step, level)	Get URL remote data file.

pycontrails.datalib.dwd.ods.get(rpath, lpath)¶

Get data file from Open Data Server.

Parameters:

rpath (str) – URL of remote file on Open Data Server
lpath (str) – Local path where file contents will be saved

pycontrails.datalib.dwd.ods.global_latitude_rpath(forecast)¶

Get path to remote latitude file for global icosahedral grid.

Parameters:: forecast (datetime) – Start time of forecast cycle.
Returns:: str – URL of grib file with cell-center latitudes

pycontrails.datalib.dwd.ods.global_longitude_rpath(forecast)¶

Get path to remote longitude file for global icosahedral grid.

Parameters:: forecast (datetime) – Start time of forecast cycle.
Returns:: str – URL of grib file with cell-center longitudes

pycontrails.datalib.dwd.ods.list_forecast_steps(domain, forecast)¶

List forecast steps available for a given forecast cycle.

Parameters:

domain (str) – ICON domain. Must be one of “global”, “europe”, or “germany”.
forecast (datetime) – Start time of forecast cycle.

Returns:

list[datetime] – Times of available forecast steps. If no data is available for the specified forecast cycle a warning is issued and an empty list is returned.

pycontrails.datalib.dwd.ods.list_forecasts(domain)¶

List available forecast cycles.

Parameters:: domain (str) – ICON domain. Must be one of “global”, “europe”, or “germany”.
Returns:: list[datetime] – Start time of available forecast cycles

pycontrails.datalib.dwd.ods.rpath(domain, forecast, variable, step, level)¶

Get URL remote data file.

Parameters:

domain (str) – ICON domain. Must be one of “global”, “europe”, or “germany”.
forecast (datetime) – Start time of forecast cycle.
variable (str) – Open Data Server variable name.
step (int) – Forecast step.
level (int | None) – Model level for 3d variables or None for 2d variables

Returns:

str – URL of remote data file.