def test_constant_wind_mover():
"""
tests the constant_wind_mover utility function
"""
with raises(Exception):
# it should raise an InvalidUnitError, but I don't want to have to
# import unit_conversion just for that...
wm = constant_wind_mover(10, 45, units='some_random_string')
wm = constant_wind_mover(10, 45, units='m/s')
sc = sample_sc_release(1)
print wm
print repr(wm.wind)
print wm.wind.get_wind_data()
time_step = 1000
model_time = datetime(2013, 3, 1, 0)
wm.prepare_for_model_step(sc, time_step, model_time)
delta = wm.get_move(sc, time_step, model_time)
print 'delta:', delta
# 45 degree wind at the equator -- u,v should be the same
assert delta[0][0] == delta[0][1]
def test_constant_wind_mover():
"""
tests the constant_wind_mover utility function
"""
with pytest.raises(Exception):
# it should raise an InvalidUnitError, but I don't want to have to
# import unit_conversion just for that...
wm = constant_wind_mover(10, 45, units='some_random_string')
wm = constant_wind_mover(10, 45, units='m/s')
sc = sample_sc_release(1)
print wm
print repr(wm.wind)
print wm.wind.get_timeseries()
time_step = 1000
model_time = datetime(2013, 3, 1, 0)
wm.prepare_for_model_step(sc, time_step, model_time)
delta = wm.get_move(sc, time_step, model_time)
print 'delta:', delta
# 45 degree wind at the equator -- u,v should be the same
assert delta[0][0] == delta[0][1]
def test_constant_wind():
"""
make sure wind doesn't move the LEs marked as on_tideflat
"""
wm = constant_wind_mover(10, 270, units='m/s')
windage = 0.03
sc = sample_sc_release(
10, # ten elements
windage_range=(windage, windage),
)
time_step = 1000
model_time = datetime(2018, 1, 1, 0)
# make sure all is "normal"
assert np.all(sc['status_codes'] == oil_status.in_water)
delta = run_one_timestep(sc, wm, time_step, model_time)
assert np.all(delta[:, 0] > 0.0)
assert np.all(delta[:, 1] == 0.0)
# now set the on_tideflat code on half the elements
sc['status_codes'][5:] = oil_status.on_tideflat
delta = run_one_timestep(sc, wm, time_step, model_time)
print delta
# west wind
# only the first 5 should move
assert np.all(delta[:5, 0] > 0.0)
assert np.all(delta[5:, 0] == 0.0)
assert np.all(delta[:, 1] == 0.0)
def model(sample_model_fcn, output_filename):
"""
Use fixture model_surface_release_spill and add a few things to it for the
test
"""
model = sample_model_fcn['model']
model.cache_enabled = True
model.spills += \
point_line_release_spill(num_elements=5,
start_position=sample_model_fcn['release_start_pos'],
release_time=model.start_time,
end_release_time=model.start_time + model.duration,
substance=test_oil,
amount=1000,
units='kg')
water = Water()
model.movers += RandomMover(diffusion_coef=100000)
model.movers += constant_wind_mover(1.0, 0.0)
model.weatherers += Evaporation(water, model.movers[-1].wind)
model.outputters += NetCDFOutput(output_filename)
model.rewind()
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2015, 9, 24, 3, 0)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours = 48),
time_step=3600)
mapfile = get_datafile(os.path.join(base_dir, 'Perfland.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=1, raster_size=1024*1024) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(800, 600),
output_timestep=timedelta(hours=1),
timestamp_attrib={'size': 'medium', 'color':'uncert_LE'})
renderer.set_timestamp_attrib(format='%a %c')
renderer.graticule.set_DMS(True)
# renderer.viewport = ((-124.25, 47.5), (-122.0, 48.70))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=5000,
start_position=(0.0,
0.0,
0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(13, 270, units='m/s')
print 'adding a current mover:'
# curr_file = get_datafile(os.path.join(base_dir, 'COOPSu_CREOFS24.nc'))
#
# # uncertain_time_delay in hours
# c_mover = GridCurrentMover(curr_file)
# c_mover.uncertain_cross = 0 # default is .25
#
# model.movers += c_mover
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2015, 9, 24, 3, 0)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours = 48),
time_step=3600)
mapfile = get_datafile(os.path.join(base_dir, 'Perfland.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=1, raster_size=1024*1024) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(800, 600),
output_timestep=timedelta(hours=1),
timestamp_attrib={'size': 'medium', 'color':'uncert_LE'})
renderer.set_timestamp_attrib(format='%a %c')
renderer.graticule.set_DMS(True)
# renderer.viewport = ((-124.25, 47.5), (-122.0, 48.70))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=5000,
start_position=(0.0,
0.0,
0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(13, 270, units='m/s')
print 'adding a current mover:'
# curr_file = get_datafile(os.path.join(base_dir, 'COOPSu_CREOFS24.nc'))
#
# # uncertain_time_delay in hours
# c_mover = GridCurrentMover(curr_file)
# c_mover.uncertain_cross = 0 # default is .25
#
# model.movers += c_mover
return model
def make_model(img_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2013, 5, 18, 0)
model = Model(start_time=start_time, duration=timedelta(days=3),
time_step=3600, uncertain=False)
print 'adding the map'
p_map = model.map = ParamMap(center = (0,0), distance=20, bearing = 20, units='km' ) # hours
#
# Add the outputters -- render to images, and save out as netCDF
#
print 'adding renderer'
rend = Renderer( output_dir=img_dir,
image_size=(800, 600),
map_BB=p_map.get_map_bounds(),
land_polygons=p_map.get_land_polygon(),
)
rend.graticule.set_DMS(True)
model.outputters += rend
# draw_back_to_fore=True)
# print "adding netcdf output"
# netcdf_output_file = os.path.join(base_dir,'mariana_output.nc')
# scripting.remove_netcdf(netcdf_output_file)
# model.outputters += NetCDFOutput(netcdf_output_file, which_data='all')
#
# Set up the movers:
#
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=100000)
print 'adding a simple wind mover:'
model.movers += constant_wind_mover(10, 225, units='m/s')
print 'adding a current mover:'
# # # this is HYCOM currents
# curr_file = get_datafile(os.path.join(base_dir, 'HYCOM.nc'))
# model.movers += GridCurrentMover(curr_file,
# num_method=numerical_methods.euler);
# #
# # Add some spills (sources of elements)
# #
print 'adding four spill'
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(0.0,0.0,
0.0),
release_time=start_time)
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2012, 10, 25, 0, 1)
# start_time = datetime(2015, 12, 18, 06, 01)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours=6),
time_step=900)
mapfile = get_datafile(os.path.join(base_dir, 'nyharbor.bna'))
print 'adding the map'
'''TODO: sort out MapFromBna's map_bounds parameter...
it does nothing right now, and the spill is out of bounds'''
model.map = MapFromBNA(mapfile, refloat_halflife=0.0) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(1024, 768))
# renderer.viewport = ((-73.5, 40.5), (-73.1, 40.75))
# renderer.viewport = ((-122.9, 45.6), (-122.6, 46.0))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=1000,
start_position=(-74.15, 40.5, 0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(4, 270, units='m/s')
print 'adding a current mover:'
# url is broken, fix and include the following section
# url = ('http://geoport.whoi.edu/thredds/dodsC/clay/usgs/users/jcwarner/Projects/Sandy/triple_nest/00_dir_NYB05.ncml')
# # cf = roms_field('nos.tbofs.fields.n000.20160406.t00z_sgrid.nc')
# cf = GridCurrent.from_netCDF(url)
# renderer.add_grid(cf.grid)
# renderer.delay = 25
# u_mover = PyCurrentMover(cf, default_num_method='Euler')
# model.movers += u_mover
#
return model
def setup_model():
print 'initializing the model'
# start with default time,duration...this will be changed when model is run
model = Model(
) #change to use all defaults and set time_step also in Setup_TAP!!
mapfile = os.path.join(setup.MapFileDir, setup.MapFileName)
print 'adding the map: ', mapfile
model.map = MapFromBNA(mapfile, refloat_halflife=0.0) # seconds
print 'adding a GridCurrentMover:'
if setup.curr_fn.endswith('.nc'):
c_mover = GridCurrentMover(filename=setup.curr_fn, extrapolate=True)
elif setup.curr_fn.endswith('.cur'):
tide = Tide(setup.tide_fn)
c_mover = CatsMover(filename=setup.curr_fn, tide=tide)
model.movers += c_mover
print 'adding a WindMover:'
if setup.wind_fn is not None:
w = Wind(filename=setup.wind_fn)
w_mover = WindMover(w)
elif setup.wind_data is not None:
w_mover = constant_wind_mover(setup.wind_data[0],
setup.wind_data[1],
units='knots')
# w_mover = GridWindMover(wind_file=setup.w_filelist)
model.movers += w_mover
if setup.diff_coef is not None:
print 'adding a RandomMover:'
random_mover = RandomMover(diffusion_coef=setup.diff_coef) #in cm/s
model.movers += random_mover
return model
def model(sample_model_fcn, output_filename):
"""
Use fixture model_surface_release_spill and add a few things to it for the
test
"""
model = sample_model_fcn['model']
model.cache_enabled = True
model.spills += \
point_line_release_spill(num_elements=5,
start_position=sample_model_fcn['release_start_pos'],
release_time=model.start_time,
end_release_time=model.start_time + model.duration,
substance=test_oil,
amount=1000,
units='kg')
water = Water()
model.movers += RandomMover(diffusion_coef=100000)
model.movers += constant_wind_mover(1.0, 0.0)
model.weatherers += Evaporation(water=water, wind=model.movers[-1].wind)
model.outputters += NetCDFOutput(output_filename)
model.rewind()
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2015, 9, 24, 1, 1)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours=48),
time_step=900)
mapfile = get_datafile(os.path.join(base_dir, 'columbia_river.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=0.0) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(600, 1200))
renderer.graticule.set_DMS(True)
# renderer.viewport = ((-123.35, 45.6), (-122.68, 46.13))
# renderer.viewport = ((-122.9, 45.6), (-122.6, 46.0))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=1000,
start_position=(-122.625, 45.609, 0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
# model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(0.5, 0, units='m/s')
print 'adding a current mover:'
curr_file = get_datafile(os.path.join(base_dir, 'COOPSu_CREOFS24.nc'))
# uncertain_time_delay in hours
# vec_field = TriVectorField('COOPSu_CREOFS24.nc')
# u_mover = UGridCurrentMover(vec_field)
c_mover = GridCurrentMover(curr_file)
# c_mover.uncertain_cross = 0 # default is .25
# model.movers += u_mover
model.movers += c_mover
model.save
return model
def test_gnome_obj_reference():
'''
create two equal but different objects and make sure a new reference is
created for each
'''
objs = [constant_wind_mover(0, 0) for _i in range(2)]
assert objs[0] is not objs[1]
refs = References()
r_objs = [refs.reference(item) for item in objs]
assert len(r_objs) == len(objs)
assert r_objs[0] != r_objs[1]
for ix, ref in enumerate(r_objs):
assert refs.retrieve(ref) is objs[ix]
assert objs[ix] in refs # double check __contains__
unknown = constant_wind_mover(0, 0)
assert unknown not in refs # check __contains__
def test_gnome_obj_reference():
'''
create two equal but different objects and make sure a new reference is
created for each
'''
objs = [constant_wind_mover(0, 0) for _i in range(2)]
assert objs[0] is not objs[1]
refs = References()
r_objs = [refs.reference(item) for item in objs]
assert len(r_objs) == len(objs)
assert r_objs[0] != r_objs[1]
for ix, ref in enumerate(r_objs):
assert refs.retrieve(ref) is objs[ix]
assert objs[ix] in refs # double check __contains__
unknown = constant_wind_mover(0, 0)
assert unknown not in refs # check __contains__
def test_windage_index():
"""
A very simple test to make sure windage is set for the correct sc
if staggered release
"""
sc = SpillContainer()
rel_time = datetime(2013, 1, 1, 0, 0)
timestep = 30
for i in range(2):
spill = point_line_release_spill(num_elements=5,
start_position=(0., 0., 0.),
release_time=rel_time + i * timedelta(hours=1),
element_type=floating(windage_range=(i * .01 +
.01, i * .01 + .01),
windage_persist=900)
)
sc.spills.add(spill)
windage = ['windages', 'windage_range', 'windage_persist']
sc.prepare_for_model_run(array_types=windage)
sc.release_elements(timestep, rel_time)
wm = constant_wind_mover(5, 0)
wm.prepare_for_model_step(sc, timestep, rel_time)
wm.model_step_is_done() # need this to toggle _windage_is_set_flag
def _check_index(sc):
'''
internal function for doing the test after windage is set
- called twice so made a function
'''
# only 1st sc is released
for sp in sc.spills:
mask = sc.get_spill_mask(sp)
if np.any(mask):
assert np.all(sc['windages'][mask] ==
sp.windage_range[0])
# only 1st spill is released
_check_index(sc) # 1st ASSERT
sc.release_elements(timestep, rel_time + timedelta(hours=1))
wm.prepare_for_model_step(sc, timestep, rel_time)
_check_index(sc) # 2nd ASSERT
def test_windage_index():
"""
A very simple test to make sure windage is set for the correct sc
if staggered release
"""
sc = SpillContainer()
rel_time = datetime(2013, 1, 1, 0, 0)
timestep = 30
for i in range(2):
spill = point_line_release_spill(num_elements=5,
start_position=(0., 0., 0.),
release_time=rel_time + i * timedelta(hours=1),
element_type=floating(windage_range=(i * .01 +
.01, i * .01 + .01),
windage_persist=900)
)
sc.spills.add(spill)
windage = ['windages', 'windage_range', 'windage_persist']
sc.prepare_for_model_run(array_types=windage)
sc.release_elements(timestep, rel_time)
wm = constant_wind_mover(5, 0)
wm.prepare_for_model_step(sc, timestep, rel_time)
wm.model_step_is_done() # need this to toggle _windage_is_set_flag
def _check_index(sc):
'''
internal function for doing the test after windage is set
- called twice so made a function
'''
# only 1st sc is released
for sp in sc.spills:
mask = sc.get_spill_mask(sp)
if np.any(mask):
assert np.all(sc['windages'][mask] ==
sp.windage_range[0])
# only 1st spill is released
_check_index(sc) # 1st ASSERT
sc.release_elements(timestep, rel_time + timedelta(hours=1))
wm.prepare_for_model_step(sc, timestep, rel_time)
_check_index(sc) # 2nd ASSERT
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2013, 5, 18, 0)
model = Model(start_time=start_time, duration=timedelta(days=8),
time_step=1 * 3600, uncertain=False)
mapfile = get_datafile(os.path.join(base_dir, './mariana_island.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=6) # hours
#
# Add the outputters -- render to images, and save out as netCDF
#
print 'adding renderer'
model.outputters += Renderer(mapfile, images_dir, size=(800, 600))
# print "adding netcdf output"
# netcdf_output_file = os.path.join(base_dir,'mariana_output.nc')
# scripting.remove_netcdf(netcdf_output_file)
# model.outputters += gnome.netcdf_outputter.NetCDFOutput(netcdf_output_file,
# which_data='all')
# #
# # Set up the movers:
# #
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=10000)
print 'adding a simple wind mover:'
model.movers += constant_wind_mover(5, 315, units='m/s')
print 'adding a current mover:'
# # this is HYCOM currents
curr_file = get_datafile(os.path.join(base_dir, r"./HYCOM.nc"))
model.movers += GridCurrentMover(curr_file)
# #
# # Add some spills (sources of elements)
# #
print 'adding four spill'
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.25, 15.0,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146.25, 15.0,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.75, 15.25,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.75, 14.75,
0.0),
release_time=start_time)
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2015, 9, 24, 1, 1)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours=48),
time_step=900)
mapfile = get_datafile(os.path.join(base_dir, 'columbia_river.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=0.0) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(600, 1200))
renderer.graticule.set_DMS(True)
# renderer.viewport = ((-123.35, 45.6), (-122.68, 46.13))
# renderer.viewport = ((-122.9, 45.6), (-122.6, 46.0))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=1000,
start_position=(-122.625,
45.609,
0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
# model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(0.5, 0, units='m/s')
print 'adding a current mover:'
curr_file = get_datafile(os.path.join(base_dir, 'COOPSu_CREOFS24.nc'))
# uncertain_time_delay in hours
# vec_field = TriVectorField('COOPSu_CREOFS24.nc')
# u_mover = UGridCurrentMover(vec_field)
c_mover = GridCurrentMover(curr_file)
# c_mover.uncertain_cross = 0 # default is .25
# model.movers += u_mover
model.movers += c_mover
model.save
return model
def test_constant_wind_mover_bounds():
wm = constant_wind_mover(10, 45, units='knots')
assert wm.data_start == wm.data_stop
def make_model(img_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2013, 5, 18, 0)
model = Model(start_time=start_time,
duration=timedelta(days=3),
time_step=3600,
uncertain=False)
print 'adding the map'
p_map = model.map = ParamMap(center=(0, 0),
distance=20,
bearing=20,
units='km') # hours
#
# Add the outputters -- render to images, and save out as netCDF
#
print 'adding renderer'
rend = Renderer(
output_dir=img_dir,
image_size=(800, 600),
map_BB=p_map.get_map_bounds(),
land_polygons=p_map.get_land_polygon(),
)
rend.graticule.set_DMS(True)
model.outputters += rend
# draw_back_to_fore=True)
# print "adding netcdf output"
# netcdf_output_file = os.path.join(base_dir,'mariana_output.nc')
# scripting.remove_netcdf(netcdf_output_file)
# model.outputters += NetCDFOutput(netcdf_output_file, which_data='all')
#
# Set up the movers:
#
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=100000)
print 'adding a simple wind mover:'
model.movers += constant_wind_mover(10, 225, units='m/s')
print 'adding a current mover:'
# # # this is HYCOM currents
# curr_file = get_datafile(os.path.join(base_dir, 'HYCOM.nc'))
# model.movers += GridCurrentMover(curr_file,
# num_method=numerical_methods.euler);
# #
# # Add some spills (sources of elements)
# #
print 'adding four spill'
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(0.0, 0.0, 0.0),
release_time=start_time)
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
# set up the modeling environment
start_time = datetime(2016, 9, 18, 1, 0)
model = Model(start_time=start_time,
duration=timedelta(days=3),
time_step=30 * 60,
uncertain=False)
print 'adding the map'
model.map = GnomeMap() # this is a "water world -- no land anywhere"
# renderere is only top-down view on 2d -- but it's something
renderer = Renderer(output_dir=images_dir,
image_size=(1024, 768),
output_timestep=timedelta(hours=1),
)
renderer.viewport = ((-87.295, 27.795), (-87.705, 28.205))
print 'adding outputters'
model.outputters += renderer
# Also going to write the results out to a netcdf file
netcdf_file = os.path.join(base_dir, 'gulf_tamoc.nc')
scripting.remove_netcdf(netcdf_file)
model.outputters += NetCDFOutput(netcdf_file,
which_data='most',
# output most of the data associated with the elements
output_timestep=timedelta(hours=2))
print "adding Horizontal and Vertical diffusion"
# Horizontal Diffusion
#model.movers += RandomMover(diffusion_coef=100000)
# vertical diffusion (different above and below the mixed layer)
model.movers += RandomVerticalMover(vertical_diffusion_coef_above_ml=50,
vertical_diffusion_coef_below_ml=10,
horizontal_diffusion_coef_above_ml=100000,
horizontal_diffusion_coef_below_ml=100,
mixed_layer_depth=10)
print 'adding Rise Velocity'
# droplets rise as a function of their density and radius
model.movers += TamocRiseVelocityMover()
print 'adding the 3D current mover'
gc = GridCurrent.from_netCDF('HYCOM_3d.nc')
model.movers += PyCurrentMover('HYCOM_3d.nc')
# model.movers += SimpleMover(velocity=(0., 0, 0.))
model.movers += constant_wind_mover(10, 315, units='knots')
# Wind from a buoy
#w = Wind(filename='KIKT.osm')
#model.movers += WindMover(w)
# Now to add in the TAMOC "spill"
print "Adding TAMOC spill"
model.spills += tamoc_spill.TamocSpill(release_time=start_time,
start_position=(-87.5, 28.0, 1000),
num_elements=1000,
end_release_time=start_time + timedelta(days=2),
name='TAMOC plume',
TAMOC_interval=None, # how often to re-run TAMOC
)
model.spills[0].data_sources['currents'] = gc
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2012, 10, 25, 0, 1)
# start_time = datetime(2015, 12, 18, 06, 01)
# 1 day of data in file
# 1/2 hr in seconds
model = Model(start_time=start_time,
duration=timedelta(hours=6),
time_step=900)
mapfile = get_datafile(os.path.join(base_dir, 'nyharbor.bna'))
print 'adding the map'
'''TODO: sort out MapFromBna's map_bounds parameter...
it does nothing right now, and the spill is out of bounds'''
model.map = MapFromBNA(mapfile, refloat_halflife=0.0) # seconds
# draw_ontop can be 'uncertain' or 'forecast'
# 'forecast' LEs are in black, and 'uncertain' are in red
# default is 'forecast' LEs draw on top
renderer = Renderer(mapfile, images_dir, image_size=(1024, 768))
# renderer.viewport = ((-73.5, 40.5), (-73.1, 40.75))
# renderer.viewport = ((-122.9, 45.6), (-122.6, 46.0))
print 'adding outputters'
model.outputters += renderer
print 'adding a spill'
# for now subsurface spill stays on initial layer
# - will need diffusion and rise velocity
# - wind doesn't act
# - start_position = (-76.126872, 37.680952, 5.0),
spill1 = point_line_release_spill(num_elements=1000,
start_position=(-74.15,
40.5,
0.0),
release_time=start_time)
model.spills += spill1
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=50000)
print 'adding a wind mover:'
model.movers += constant_wind_mover(4, 270, units='m/s')
print 'adding a current mover:'
url = ('http://geoport.whoi.edu/thredds/dodsC/clay/usgs/users/jcwarner/Projects/Sandy/triple_nest/00_dir_NYB05.ncml')
# cf = roms_field('nos.tbofs.fields.n000.20160406.t00z_sgrid.nc')
cf = GridCurrent.from_netCDF(url)
renderer.add_grid(cf.grid)
renderer.delay = 25
u_mover = PyGridCurrentMover(cf, default_num_method='Euler')
model.movers += u_mover
# curr_file = get_datafile(os.path.join(base_dir, 'COOPSu_CREOFS24.nc'))
# c_mover = GridCurrentMover(curr_file)
# model.movers += c_mover
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2013, 5, 18, 0)
model = Model(start_time=start_time, duration=timedelta(days=8),
time_step=4 * 3600, uncertain=False)
mapfile = get_datafile(os.path.join(base_dir, 'mariana_island.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=6) # hours
#
# Add the outputters -- render to images, and save out as netCDF
#
print 'adding renderer'
rend = Renderer(mapfile,
images_dir,
size=(800, 600),
draw_map_bounds=True
)
rend.draw_raster_map()
model.outputters += rend
# draw_back_to_fore=True)
# print "adding netcdf output"
# netcdf_output_file = os.path.join(base_dir,'mariana_output.nc')
# scripting.remove_netcdf(netcdf_output_file)
# model.outputters += NetCDFOutput(netcdf_output_file, which_data='all')
#
# Set up the movers:
#
rend.zoom(0.5)
rend.zoom(2)
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=10000)
print 'adding a simple wind mover:'
model.movers += constant_wind_mover(7, 90, units='m/s')
print 'adding a current mover:'
# # # this is HYCOM currents
# curr_file = get_datafile(os.path.join(base_dir, 'HYCOM.nc'))
# model.movers += GridCurrentMover(curr_file,
# num_method=numerical_methods.euler);
# #
# # Add some spills (sources of elements)
# #
print 'adding four spill'
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146, 15.25,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146, 15.125,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146, 15.0,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146, 14.875,
0.0),
release_time=start_time)
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
# set up the modeling environment
start_time = datetime(2016, 9, 18, 1, 0)
model = Model(start_time=start_time,
duration=timedelta(days=3),
time_step=30 * 60,
uncertain=False)
print 'adding the map'
model.map = GnomeMap() # this is a "water world -- no land anywhere"
# renderere is only top-down view on 2d -- but it's something
renderer = Renderer(
output_dir=images_dir,
image_size=(1024, 768),
output_timestep=timedelta(hours=1),
)
renderer.viewport = ((-87.295, 27.795), (-87.705, 28.205))
print 'adding outputters'
model.outputters += renderer
# Also going to write the results out to a netcdf file
netcdf_file = os.path.join(base_dir, 'gulf_tamoc.nc')
scripting.remove_netcdf(netcdf_file)
model.outputters += NetCDFOutput(
netcdf_file,
which_data='most',
# output most of the data associated with the elements
output_timestep=timedelta(hours=2))
print "adding Horizontal and Vertical diffusion"
# Horizontal Diffusion
#model.movers += RandomMover(diffusion_coef=100000)
# vertical diffusion (different above and below the mixed layer)
model.movers += RandomMover3D(vertical_diffusion_coef_above_ml=50,
vertical_diffusion_coef_below_ml=10,
horizontal_diffusion_coef_above_ml=100000,
horizontal_diffusion_coef_below_ml=100,
mixed_layer_depth=10)
print 'adding Rise Velocity'
# droplets rise as a function of their density and radius
model.movers += TamocRiseVelocityMover()
print 'adding the 3D current mover'
gc = GridCurrent.from_netCDF('HYCOM_3d.nc')
model.movers += PyCurrentMover('HYCOM_3d.nc')
# model.movers += SimpleMover(velocity=(0., 0, 0.))
model.movers += constant_wind_mover(10, 315, units='knots')
# Wind from a buoy
#w = Wind(filename='KIKT.osm')
#model.movers += WindMover(w)
# Now to add in the TAMOC "spill"
print "Adding TAMOC spill"
model.spills += tamoc_spill.TamocSpill(
release_time=start_time,
start_position=(-87.5, 28.0, 1000),
num_elements=1000,
end_release_time=start_time + timedelta(days=2),
name='TAMOC plume',
TAMOC_interval=None, # how often to re-run TAMOC
)
model.spills[0].data_sources['currents'] = gc
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
# set up the modeling environment
start_time = datetime(2016, 9, 23, 0, 0)
model = Model(start_time=start_time,
duration=timedelta(days=2),
time_step=30 * 60,
uncertain=False)
print 'adding the map'
model.map = GnomeMap() # this is a "water world -- no land anywhere"
# renderere is only top-down view on 2d -- but it's something
renderer = Renderer(output_dir=images_dir,
image_size=(1024, 768),
output_timestep=timedelta(hours=1),
)
renderer.viewport = ((196.14, 71.89), (196.18, 71.93))
print 'adding outputters'
model.outputters += renderer
# Also going to write the results out to a netcdf file
netcdf_file = os.path.join(base_dir, 'script_arctic_plume.nc')
scripting.remove_netcdf(netcdf_file)
model.outputters += NetCDFOutput(netcdf_file,
which_data='most',
# output most of the data associated with the elements
output_timestep=timedelta(hours=2))
print "adding Horizontal and Vertical diffusion"
# Horizontal Diffusion
model.movers += RandomMover(diffusion_coef=500)
# vertical diffusion (different above and below the mixed layer)
model.movers += RandomMover3D(vertical_diffusion_coef_above_ml=5,
vertical_diffusion_coef_below_ml=.11,
mixed_layer_depth=10)
print 'adding Rise Velocity'
# droplets rise as a function of their density and radius
model.movers += TamocRiseVelocityMover()
print 'adding a circular current and eastward current'
fn = 'hycom_glb_regp17_2016092300_subset.nc'
fn_ice = 'hycom-cice_ARCu0.08_046_2016092300_subset.nc'
iconc = IceConcentration.from_netCDF(filename=fn_ice)
ivel = IceVelocity.from_netCDF(filename=fn_ice, grid = iconc.grid)
ic = IceAwareCurrent.from_netCDF(ice_concentration = iconc, ice_velocity= ivel, filename=fn)
model.movers += PyCurrentMover(current = ic)
model.movers += SimpleMover(velocity=(0., 0., 0.))
model.movers += constant_wind_mover(20, 315, units='knots')
# Now to add in the TAMOC "spill"
print "Adding TAMOC spill"
model.spills += tamoc_spill.TamocSpill(release_time=start_time,
start_position=(196.16, 71.91, 40.0),
num_elements=1000,
end_release_time=start_time + timedelta(days=1),
name='TAMOC plume',
TAMOC_interval=None, # how often to re-run TAMOC
)
model.spills[0].data_sources['currents'] = ic
return model
def test_constant_wind_mover_bounds():
wm = constant_wind_mover(10, 45, units='knots')
assert wm.data_start == InfDateTime("-inf")
assert wm.data_stop == InfDateTime("inf")
def test_constant_wind_mover_bounds():
wm = constant_wind_mover(10, 45, units='knots')
assert wm.data_start == InfDateTime("-inf")
assert wm.data_stop == InfDateTime("inf")
def test_full_model_run():
"""
This will have a couple movers, and make sure that the
on_tideflat status code stops all movers.
only winds and currents for now
"""
start_time = "2018-09-10T12:00"
model = Model(
start_time=start_time,
time_step=sc.minutes(10),
)
# start_time=round_time(datetime.now(), 3600),
# duration=timedelta(days=1),
# weathering_substeps=1,
# map=None,
# uncertain=False,
# cache_enabled=False,
# mode=None,
# location=[],
# environment=[],
# outputters=[],
# movers=[],
# weatherers=[],
# spills=[],
# uncertain_spills=[],
# **kwargs):
# )
model.movers += constant_wind_mover(speed=10, direction=225, units='m/s')
model.movers += RandomMover() # defaults are fine
model.spills += point_line_release_spill(
num_elements=10,
start_position=(0.0, 0.0, 0.0),
release_time=start_time,
)
# fixme: should maybe add currents -- though if the currents are smart,
# they should be zero on the tideflats
# run one step:
print model.step()
# step zero -- should be released, but not yet moved
positions = model.get_spill_property('positions').copy()
assert np.all(positions == 0.0)
prev_positions = positions
print model.step()
# step one -- all elements should have moved in horizontal
positions = model.get_spill_property('positions').copy()
assert np.all(positions[:, 0:1] != prev_positions[:, 0:1])
assert np.all(positions[:, 2] == prev_positions[:, 2])
prev_positions = positions
# Now set the flags for half of the elements
status_codes = model.get_spill_property('status_codes')
new_status_codes = np.array([oil_status.on_tideflat] * 5 +
[oil_status.in_water] * 5)
status_codes[:] = new_status_codes
# make sure it took
assert np.all(model.get_spill_property('status_codes') == new_status_codes)
# step the model again
model.step()
positions = model.get_spill_property('positions').copy()
delta = positions - prev_positions
# first five should not have moved
assert np.all(delta[:5, 0:1] == 0.0)
assert np.all(delta[5:, 0:1] != 0.0)
prev_positions = positions
# reset status codes to in_water:
model.get_spill_property('status_codes')[:] = oil_status.in_water
# step the model again
print model.step()
positions = model.get_spill_property('positions').copy()
delta = positions - prev_positions
# they all should have moved again
assert np.all(delta[:, 0:1] != 0.0)
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
start_time = datetime(2013, 5, 18, 0)
model = Model(start_time=start_time,
duration=timedelta(days=8),
time_step=4 * 3600,
uncertain=False)
mapfile = get_datafile(os.path.join(base_dir, 'mariana_island.bna'))
print 'adding the map'
model.map = MapFromBNA(mapfile, refloat_halflife=6) # hours
#
# Add the outputters -- render to images, and save out as netCDF
#
print 'adding renderer'
model.outputters += Renderer(
mapfile,
images_dir,
size=(800, 600),
)
# draw_back_to_fore=True)
# print "adding netcdf output"
# netcdf_output_file = os.path.join(base_dir,'mariana_output.nc')
# scripting.remove_netcdf(netcdf_output_file)
# model.outputters += NetCDFOutput(netcdf_output_file, which_data='all')
#
# Set up the movers:
#
print 'adding a RandomMover:'
model.movers += RandomMover(diffusion_coef=10000)
print 'adding a simple wind mover:'
model.movers += constant_wind_mover(5, 315, units='m/s')
print 'adding a current mover:'
# # this is HYCOM currents
curr_file = get_datafile(os.path.join(base_dir, 'HYCOM.nc'))
model.movers += GridCurrentMover(curr_file,
num_method=numerical_methods.euler)
# #
# # Add some spills (sources of elements)
# #
print 'adding four spill'
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.25, 15.0,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(146.25, 15.0,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.75, 15.25,
0.0),
release_time=start_time)
model.spills += point_line_release_spill(num_elements=NUM_ELEMENTS // 4,
start_position=(145.75, 14.75,
0.0),
release_time=start_time)
return model
def make_model(images_dir=os.path.join(base_dir, 'images')):
print 'initializing the model'
# set up the modeling environment
start_time = datetime(2016, 9, 23, 0, 0)
model = Model(start_time=start_time,
duration=timedelta(days=2),
time_step=30 * 60,
uncertain=False)
print 'adding the map'
model.map = GnomeMap() # this is a "water world -- no land anywhere"
# renderere is only top-down view on 2d -- but it's something
renderer = Renderer(output_dir=images_dir,
image_size=(1024, 768),
output_timestep=timedelta(hours=1),
)
renderer.viewport = ((196.14, 71.89), (196.18, 71.93))
print 'adding outputters'
model.outputters += renderer
# Also going to write the results out to a netcdf file
netcdf_file = os.path.join(base_dir, 'script_arctic_plume.nc')
scripting.remove_netcdf(netcdf_file)
model.outputters += NetCDFOutput(netcdf_file,
which_data='most',
# output most of the data associated with the elements
output_timestep=timedelta(hours=2))
print "adding Horizontal and Vertical diffusion"
# Horizontal Diffusion
model.movers += RandomMover(diffusion_coef=500)
# vertical diffusion (different above and below the mixed layer)
model.movers += RandomVerticalMover(vertical_diffusion_coef_above_ml=5,
vertical_diffusion_coef_below_ml=.11,
mixed_layer_depth=10)
print 'adding Rise Velocity'
# droplets rise as a function of their density and radius
model.movers += TamocRiseVelocityMover()
print 'adding a circular current and eastward current'
fn = 'hycom_glb_regp17_2016092300_subset.nc'
fn_ice = 'hycom-cice_ARCu0.08_046_2016092300_subset.nc'
iconc = IceConcentration.from_netCDF(filename=fn_ice)
ivel = IceVelocity.from_netCDF(filename=fn_ice, grid = iconc.grid)
ic = IceAwareCurrent.from_netCDF(ice_concentration = iconc, ice_velocity= ivel, filename=fn)
model.movers += PyCurrentMover(current = ic)
model.movers += SimpleMover(velocity=(0., 0., 0.))
model.movers += constant_wind_mover(20, 315, units='knots')
# Now to add in the TAMOC "spill"
print "Adding TAMOC spill"
model.spills += tamoc_spill.TamocSpill(release_time=start_time,
start_position=(196.16, 71.91, 40.0),
num_elements=1000,
end_release_time=start_time + timedelta(days=1),
name='TAMOC plume',
TAMOC_interval=None, # how often to re-run TAMOC
)
model.spills[0].data_sources['currents'] = ic
return model