Ice margin

Plot a composite map including bedrock altitude, an ice margin contour, a half-transparent filled interior, and geographic elements.

/home/docs/checkouts/readthedocs.org/user_builds/hyoga/envs/latest/lib/python3.12/site-packages/hyoga/open/example.py:29: FutureWarning: In a future version, xarray will not decode timedelta values based on the presence of a timedelta-like units attribute by default. Instead it will rely on the presence of a timedelta64 dtype attribute, which is now xarray's default way of encoding timedelta64 values. To continue decoding timedeltas based on the presence of a timedelta-like units attribute, users will need to explicitly opt-in by passing True or CFTimedeltaCoder(decode_via_units=True) to decode_timedelta. To silence this warning, set decode_timedelta to True, False, or a 'CFTimedeltaCoder' instance.
  return xr.open_dataset(path)
/home/docs/checkouts/readthedocs.org/user_builds/hyoga/envs/latest/lib/python3.12/site-packages/shapely/constructive.py:829: RuntimeWarning: invalid value encountered in normalize
  return lib.normalize(geometry, **kwargs)
/home/docs/checkouts/readthedocs.org/user_builds/hyoga/envs/latest/lib/python3.12/site-packages/shapely/constructive.py:829: RuntimeWarning: invalid value encountered in normalize
  return lib.normalize(geometry, **kwargs)
/home/docs/checkouts/readthedocs.org/user_builds/hyoga/envs/latest/lib/python3.12/site-packages/shapely/constructive.py:829: RuntimeWarning: invalid value encountered in normalize
  return lib.normalize(geometry, **kwargs)
/home/docs/checkouts/readthedocs.org/user_builds/hyoga/envs/latest/lib/python3.12/site-packages/shapely/constructive.py:829: RuntimeWarning: invalid value encountered in normalize
  return lib.normalize(geometry, **kwargs)

import matplotlib.pyplot as plt
import hyoga

# open demo data
with hyoga.open.example('pism.alps.out.2d.nc') as ds:

    # plot model output
    ds.hyoga.plot.bedrock_altitude(cmap='Greys', center=False)
    ds.hyoga.plot.ice_margin(edgecolor='tab:blue', linewidths=1)
    ds.hyoga.plot.ice_margin(facecolor='tab:blue')

    # add coastline and rivers
    ax = ds.hyoga.plot.natural_earth()

    # add scale bar
    ds.hyoga.plot.scale_bar()

# set title
ax.set_title('Ice margin')

# show
plt.show()