def test_openberg(self):
"""Check if weighting array is set correctly
and if model returns expected positions"""
o = OpenBerg(loglevel=50)
reader_current = reader_netCDF_CF_generic.Reader(
o.test_data_folder() +
'14Jan2016_NorKyst_z_3d/NorKyst-800m_ZDEPTHS_his_00_3Dsubset.nc')
reader_basemap = reader_basemap_landmask.Reader(llcrnrlon=3.,
llcrnrlat=60.,
urcrnrlon=5.,
urcrnrlat=63.5,
resolution='c',
projection='gall')
# reader_basemap = reader_basemap_landmask.Reader(llcrnrlon=-1.5, llcrnrlat=59, urcrnrlon=7, urcrnrlat=64, resolution='c')
o.add_reader([reader_current, reader_basemap])
o.seed_elements(4., 62., time=reader_current.start_time)
o.run(steps=1)
arr = [
0.16072658, 0.16466097, 0.17384121, 0.17325179, 0.1715925,
0.15592695
]
for indx in range(len(arr)):
self.assertAlmostEqual(o.uw_weighting[indx], arr[indx], 8)
self.assertAlmostEqual(o.history['lon'].data[0][1], 3.9921231, 3)
self.assertAlmostEqual(o.history['lat'].data[0][1], 62.0108299, 3)
def test_openberg(self):
"""Check if weighting array is set correctly
and if model returns expected positions"""
o = OpenBerg()
o.set_config('drift:current_uncertainty', 0)
o.set_config('drift:wind_uncertainty', 0)
reader_current = reader_netCDF_CF_generic.Reader(
o.test_data_folder() +
'14Jan2016_NorKyst_z_3d/NorKyst-800m_ZDEPTHS_his_00_3Dsubset.nc')
reader_landmask = reader_global_landmask.Reader()
o.add_reader([reader_current, reader_landmask])
o.seed_elements(4., 62., time=reader_current.start_time)
o.run(steps=1)
arr = [
0.16072658, 0.16466097, 0.17384121, 0.17325179, 0.1715925,
0.15592695
]
for indx in range(len(arr)):
self.assertAlmostEqual(o.uw_weighting[indx], arr[indx], 8)
self.assertAlmostEqual(o.history['lon'].data[0][1], 3.9921231, 3)
self.assertAlmostEqual(o.history['lat'].data[0][1], 62.0108299, 3)
#######################
# Seeding elements
#######################
# Icebergs are moved with the ocean current as per Barker et al (2004),
# in addition to a fraction of the wind speed (wind_drift_factor).
# This factor depends on the properties of the elements.
# Default empirical values are:
# - Wind drift fraction: 0.018 (1.8 %) (Garret 1985)
# - Iceberg size: Keel dept = 60m
# Waterline length = 90.5m
o.seed_elements(3.3,
60.,
radius=3000,
time=reader_current.start_time,
water_line_length=100,
keel_depth=90,
number=100)
print('Starting free run .../n')
print('Start time: ' + str(o.start_time))
#######################
# Running model
#######################
o.run(time_step=3600, steps=steps)
#########################
o.add_reader([reader_current, reader_wind])
#%%
# Seeding elements
#
# Icebergs are moved with the ocean current as per Barker et al (2004),
# in addition to a fraction of the wind speed (wind_drift_factor).
# This factor depends on the properties of the elements.
# Default empirical values are:
# - Wind drift fraction: 0.018 (1.8 %) (Garret 1985)
# - Iceberg size: Keel dept = 60m
# Waterline length = 90.5m
# NB! Iceberg size is irrelevant for current_reader with 1D z-profile
o.seed_elements(3.3, 61.3, radius=3000, number=500,
time=reader_current.start_time)
#%%
# Run model
print('Starting free run .../n')
print('Start time: ' + str(o.start_time))
o.run(time_step=3600, steps=steps)
#%%
# Print and plot results
o.plot(fast=True)
o.animation(fast=True)
#%%