BindingsOggmWrangler#

class dtcg.integration.oggm_bindings.BindingsOggmWrangler( base_url='https://cluster.klima.uni-bremen.de/~dtcg/gdirs/v2025.2/', working_dir='', oggm_params=None, shapefile_path='https://cluster.klima.uni-bremen.de/~dtcg/test_files/case_study_regions/austria', )[source]#

Bases: BindingsOggmModel

Wrangles input data for OGGM workflows.

Parameters:

base_url (str)
working_dir (str)
oggm_params (dict)
shapefile_path (str)

SHAPEFILE_PATH#

Region or subregion’s glacier outlines.

Type:: str

Methods

`__init__`([base_url, working_dir, ...])
`add_data`(datacube_manager, **kwargs)
`add_rgi_id_to_dataset`(dataset)
`get_cached_outline_data`(cache_path)	Get glacier outlines.
`get_gdir_by_name`(data, name, **kwargs)	Get glacier directory from a glacier's name or RGI ID.
`get_glacier_by_name`(data, name)	Get glacier data by full name or RGI ID.
`get_glacier_by_rgi_id`(data, rgi_id)	Get glacier data by RGI ID.
`get_glacier_directories`(rgi_ids[, ...])	Get OGGM glacier directories.
`get_glaciers_in_subregion`(region, subregion)	Get only the glaciers in a given subregion.
`get_matching_region_codes`([region_name, ...])	Get region and subregion codes matching a given subregion name.
`get_named_glaciers`(glaciers)	Get all glaciers with a full name.
`get_oggm_datacube`(gdir)
`get_outline_details`(polygon)
`get_outline_source_date`(glacier_data)	Get the date for an outline's source.
`get_polygon_difference`(frame)	Get the difference of overlapping polygons.
`get_rgi_files_from_subregion`([region_name, ...])	Get RGI shapefile from a subregion name.
`get_rgi_metadata`([path, from_web])	Get RGI metadata.
`get_rgi_region_codes`([region_name, ...])	Get RGI region and subregion codes from a subregion name.
`get_shapefile`(path)	Get shapefile from user path.
`get_shapefile_from_web`(shapefile_name)	Placeholder for getting shapefiles from an online repository.
`get_shapefile_metadata`(shapefile)	Get metadata from a catchment shapefile.
`get_user_subregion`([region_name, ...])	Get user-selected subregion in a catchment area.
`init_oggm`([working_dir, ...])	Initialise OGGM run parameters.
`set_flowlines`(gdir)	Compute glacier flowlines if missing from glacier directory.
`set_oggm_kwargs`()	Set OGGM configuration.
`set_oggm_params`(**new_params)	Define OGGM configuration parameters.
`set_polygon_overlap`(frame)	Set overlapping boundaries.
`set_subregion_constraints`(region, subregion)	Reproject subregional data to match regional data, and optionally mask by subregion name.

__init__( base_url='https://cluster.klima.uni-bremen.de/~dtcg/gdirs/v2025.2/', working_dir='', oggm_params=None, shapefile_path='https://cluster.klima.uni-bremen.de/~dtcg/test_files/case_study_regions/austria', )[source]#

Parameters:

base_url (str)
working_dir (str)
oggm_params (dict)
shapefile_path (str)

add_rgi_id_to_dataset(dataset)#

Parameters:: dataset

get_cached_outline_data(cache_path)[source]#

Get glacier outlines.

This is identical to gdir.read_shapefile, so the CRS should later be converted to EPSG:4236

Parameters:: cache_path (Path)
Return type:: GeoDataFrame

get_gdir_by_name(data, name, **kwargs)[source]#

Get glacier directory from a glacier’s name or RGI ID.

Parameters:

data (gpd.GeoDataFrame) – Glacier data.
name (str) – Name or RGI ID of glacier.
**kwargs – Additional arguments passed to workflow.init_glacier_directories.

get_glacier_by_name(data, name)[source]#

Get glacier data by full name or RGI ID.

Parameters:

data (gpd.GeoDataFrame) – Glacier data.
name (str) – Full name or RGI ID of glacier.

Returns:

Glacier with matching name or RGI ID.

Return type:

gpd.GeoDataFrame

get_glacier_by_rgi_id(data, rgi_id)[source]#

Get glacier data by RGI ID.

Parameters:

data (gpd.GeoDataFrame) – Glacier data.
rgi_id (str) – RGI ID of glacier.

Returns:

Glacier with matching RGI ID.

Return type:

gpd.GeoDataFrame

get_glacier_directories(

rgi_ids,

prepro_base_url=None,

from_prepro_level=3,

prepro_border=80,

add_daily_w5e5=True,

**kwargs,

)#

Get OGGM glacier directories.

Parameters:

rgi_ids (list) – RGI IDs of glaciers.
prepro_base_url (str, optional) – URL to OGGM data. If empty, uses the DEFAULT_BASE_URL attribute.
prepro_level (int, default 4) – File preprocessing level.
prepro_border (int, default 80) – Grid border buffer around the glacier.
add_daily_w5e5 (bool, default True) – Add daily W5E5 data.
**kwargs – Extra arguments to workflow.init_glacier_directories.
from_prepro_level (int)

Returns:

Glacier directories for the given RGI IDs.

Return type:

list[GlacierDirectory]

get_glaciers_in_subregion( region, subregion, )[source]#

Get only the glaciers in a given subregion.

Parameters:

region (gpd.GeoDataFrame) – Contains all glaciers in a region.
subregion (gpd.GeoDataFrame) – Subregion shapefile.

Returns:

Only glaciers inside the given subregion.

Return type:

gpd.GeoDataFrame

get_matching_region_codes( region_name='', subregion_name='', )#

Get region and subregion codes matching a given subregion name.

Subregion names take priority over region names.

Parameters:

region_name (str) – The full name of a region.
subregion_name (str) – The full name of a subregion.

Returns:

All pairs of region and subregion codes matching the given subregion or region’s name.

Return type:

set[str]

Raises:

KeyError – If the region or subregion name is not found.
ValueError – If no valid region or subregion name is supplied.

get_named_glaciers(glaciers)[source]#

Get all glaciers with a full name.

Parameters:: glaciers (gpd.GeoDataFrame) – Glacier data.
Returns:: All named glaciers.
Return type:: gpd.GeoDataFrame

get_outline_source_date(glacier_data)#

Get the date for an outline’s source.

Parameters:: glacier_data (gpd.GeoDataFrame) – Outline data for a glacier. Must conform to RGI60 specifications.
Returns:: The year the outline’s source data was published.
Return type:: int

get_polygon_difference(frame)[source]#

Get the difference of overlapping polygons.

Note

GPD’s overlay() only acts on GeoDataFrames, but this function manipulates GeoSeries.

Parameters:: frame (gpd.GeoDataFrame) – Overlapping polygons.
Returns:: Polygon geometries adjusted so no areas overlap.
Return type:: gpd.GeoSeries

get_rgi_files_from_subregion( region_name='', subregion_name='', )#

Get RGI shapefile from a subregion name.

Parameters:

region_name (str, optional) – Name of RGI region.
subregion_name (str, optional) – Name of RGI subregion.

Returns:

RGI shapefiles.

Return type:

list

Raises:

KeyError – If no glaciers are found for the given subregion.

get_rgi_metadata( path='rgi_subregions_V6.csv', from_web=False, )#

Get RGI metadata.

TODO: Replace with call to oggm.utils.parse_rgi_meta.

Parameters:

path (str, default "rgi_subregions_V6.csv".) – Path to database with subregion names and O1/O2 codes.
from_web (bool, default False) – Use data from oggm-sample-data.

Returns:

RGI metadata for all glaciers.

Return type:

list

get_rgi_region_codes( region_name='', subregion_name='', )#

Get RGI region and subregion codes from a subregion name.

This can be replaced with OGGM backend if available.

Parameters:

region_name (str, optional) – Name of RGI region.
subregion_name (str, optional) – Name of RGI subregion.

Returns:

RGI region (O1) and subregion (O2) codes.

Return type:

set[str]

Raises:

KeyError – If the subregion name is not available.
TypeError – If subregion name is not a string.

get_shapefile(path)[source]#

Get shapefile from user path.

Parameters:: path (str) – Path to shapefile.
Return type:: GeoDataFrame

get_shapefile_from_web(shapefile_name)[source]#

Placeholder for getting shapefiles from an online repository.

Parameters:: shapefile_name (str) – Name of file in oggm-sample-data repository.
Return type:: GeoDataFrame

get_shapefile_metadata(shapefile)[source]#

Get metadata from a catchment shapefile.

Parameters:: shapefile (GeoDataFrame)
Return type:: dict

get_user_subregion(

region_name='',

subregion_name='',

shapefile_path='',

**oggm_params,

)[source]#

Get user-selected subregion in a catchment area.

This should be called via gateway.

Parameters:

region_name (str, optional) – Name of RGI region.
subregion_name (str, optional) – Name of RGI subregion.
shapefile_path (str, optional) – Path to shapefile with catchment area outlines.
**oggm_params – Additional OGGM configuration parameters.

Return type:

dict

init_oggm(

working_dir=None,

use_multiprocessing=True,

continue_on_error=True,

**kwargs,

)#

Initialise OGGM run parameters.

TODO: Add kwargs for cfg.PATH.

Parameters:

working_dir (str) – Name of temporary directory
**kwargs – Extra arguments passed to OGGM’s configuration.
use_multiprocessing (bool)
continue_on_error (bool)

Return type:

None

set_flowlines(gdir)#

Compute glacier flowlines if missing from glacier directory.

Parameters:: gdir (GlacierDirectory) – Glacier directory.
Return type:: None

set_oggm_kwargs()#

Set OGGM configuration.

Note

This may eventually be moved to api.internal._parse_oggm.

Parameters:: oggm_params (dict) – Key/value pairs corresponding to valid OGGM configuration parameters.
Return type:: None

set_oggm_params(**new_params)#

Define OGGM configuration parameters.

This will overwrite existing values that have the same key. To configure OGGM, use set_oggm_kwargs().

Parameters:: **new_params (dict) – Parameters passed to OGGM’s configuration.
Return type:: None

set_polygon_overlap(frame)[source]#

Set overlapping boundaries.

If two polygons overlap, the overlapping area is removed from the second polygon.

Parameters:: frame (gpd.GeoDataFrame) – Contains overlapping polygons.
Returns:: Polygon geometries adjusted so no areas overlap.
Return type:: gpd.GeoDataFrame

set_subregion_constraints( region, subregion, subregion_id='', )[source]#

Reproject subregional data to match regional data, and optionally mask by subregion name.

Parameters:

region (gpd.GeoDataFrame) – Shapefile data for region.
subregion (gpd.GeoDataFrame) – Shapefile data for subregion.
subregion_id (str, optional) – Subregion id.

Returns:

Reprojected subregion data, optionally masked to a specific subregion name.

Return type:

gpd.GeoDataFrame