Beispiel #1
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    def setup_test(self, end_time_delay, num_les, ts=900.):
        stime = datetime(2015, 1, 1, 12, 0)
        etime = stime + end_time_delay
        st_pos = (0, 0, 0)
        oil = test_oil

        m1 = Model(start_time=stime, time_step=ts)
        m1.environment += [constant_wind(0, 0), Water()]
        m1.weatherers += Evaporation()
        m1.spills += point_line_release_spill(num_les[0],
                                              st_pos,
                                              stime,
                                              end_release_time=etime,
                                              substance=oil,
                                              amount=36000,
                                              units='kg')
        m1.outputters += WeatheringOutput()

        m2 = Model(start_time=stime, time_step=ts)
        m2.environment += [constant_wind(0, 0), Water()]
        m2.weatherers += Evaporation()
        m2.spills += point_line_release_spill(num_les[1],
                                              st_pos,
                                              stime,
                                              end_release_time=etime,
                                              substance=oil,
                                              amount=36000,
                                              units='kg')
        m2.outputters += WeatheringOutput()
        return (m1, m2)
Beispiel #2
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def model(sample_model):
    model = sample_model['model']
    model.make_default_refs = True
    rel_start_pos = sample_model['release_start_pos']
    rel_end_pos = sample_model['release_end_pos']

    model.cache_enabled = True
    model.uncertain = False
    model.environment += Water(311.15)

    print 'adding a Weatherer'
    model.environment += constant_wind(1.0, 0.0)

    N = 10  # a line of ten points
    line_pos = np.zeros((N, 3), dtype=np.float64)
    line_pos[:, 0] = np.linspace(rel_start_pos[0], rel_end_pos[0], N)
    line_pos[:, 1] = np.linspace(rel_start_pos[1], rel_end_pos[1], N)

    # print start_points
    model.duration = timedelta(hours=6)
    end_time = model.start_time + timedelta(hours=1)
    spill = point_line_release_spill(1000,
                                     start_position=rel_start_pos,
                                     release_time=model.start_time,
                                     end_release_time=end_time,
                                     end_position=rel_end_pos,
                                     substance=test_oil,
                                     amount=1000,
                                     units='kg')
    model.spills += spill

    # figure out mid-run save for weathering_data attribute, then add this in
    rel_time = model.spills[0].get('release_time')
    skim_start = rel_time + timedelta(hours=1)
    amount = model.spills[0].amount
    units = model.spills[0].units
    skimmer = Skimmer(.3 * amount,
                      units=units,
                      efficiency=0.3,
                      active_start=skim_start,
                      active_stop=skim_start + timedelta(hours=1))
    # thickness = 1m so area is just 20% of volume
    volume = spill.get_mass() / spill.get('substance').get_density()
    burn = Burn(0.2 * volume, 1.0, active_start=skim_start, efficiency=0.9)
    c_disp = ChemicalDispersion(.1,
                                efficiency=0.5,
                                active_start=skim_start,
                                active_stop=skim_start + timedelta(hours=1))

    model.weatherers += [Evaporation(), c_disp, burn, skimmer]

    model.outputters += WeatheringOutput()
    model.rewind()

    return model
Beispiel #3
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def test_full_run_disp_not_active(sample_model_fcn):
    'no water/wind/waves object and no evaporation'
    model = sample_model_weathering(sample_model_fcn, 'oil_6')
    model.weatherers += NaturalDispersion(on=False)
    model.outputters += WeatheringOutput()
    for step in model:
        '''
        if no weatherers, then no weathering output - need to add on/off
        switch to WeatheringOutput
        '''
        assert 'natural_dispersion' not in step['WeatheringOutput']
        assert 'sedimentation' not in step['WeatheringOutput']
        assert ('time_stamp' in step['WeatheringOutput'])
Beispiel #4
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def test_full_run_evap_not_active(sample_model_fcn):
    'no water/wind object'
    model = sample_model_weathering(sample_model_fcn, 'oil_6')
    model.weatherers += Evaporation(on=False)
    model.outputters += WeatheringOutput()
    for step in model:
        '''
        if no weatherers, then no weathering output - need to add on/off
        switch to WeatheringOutput
        '''
        assert 'evaporated' not in step['WeatheringOutput']
        assert ('time_stamp' in step['WeatheringOutput'])

        print("Completed step: {0}".format(step['step_num']))
def test_full_run_emul_not_active(sample_model_fcn):
    'no water/wind/waves object and no evaporation'
    model = sample_model_weathering(sample_model_fcn, 'oil_crude')
    model.weatherers += Emulsification(on=False)
    model.outputters += WeatheringOutput()
    for step in model:
        '''
        if no weatherers, then no weathering output - need to add on/off
        switch to WeatheringOutput
        '''
        assert 'water_content' not in step['WeatheringOutput']
        assert ('time_stamp' in step['WeatheringOutput'])

        print("Completed step: {0}".format(step['step_num']))
Beispiel #6
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def test_full_run_dissolution_not_active(sample_model_fcn):
    'no water/wind/waves object and no evaporation'
    model = sample_model_weathering(sample_model_fcn, 'oil_4')
    model.environment += [Water(288.7), wind,  waves]
    model.weatherers += Evaporation()
    model.weatherers += NaturalDispersion()
    model.weatherers += Dissolution(waves=waves, wind=wind, on=False)

    model.outputters += WeatheringOutput()
    for step in model:
        '''
        if no weatherers, then no weathering output - need to add on/off
        switch to WeatheringOutput
        '''
        assert 'dissolution' not in step['WeatheringOutput']
        assert ('time_stamp' in step['WeatheringOutput'])
        print ("Completed step: {0}".format(step['step_num']))
def make_model(images_dir=os.path.join(base_dir, 'images')):
    print 'initializing the model'

    start_time = datetime(2012, 9, 15, 12, 0)
    mapfile = get_datafile(os.path.join(base_dir, './LongIslandSoundMap.BNA'))

    gnome_map = MapFromBNA(mapfile, refloat_halflife=6)  # hours

    # # the image output renderer
    # global renderer

    # one hour timestep
    model = Model(start_time=start_time,
                  duration=timedelta(hours=48), time_step=3600,
                  map=gnome_map, uncertain=False, cache_enabled=False)

    print 'adding a spill'
    et = floating_weathering(substance='FUEL OIL NO.6')
    spill = point_line_release_spill(num_elements=1000,
                                     start_position=(-72.419992,
                                                     41.202120, 0.0),
                                     release_time=start_time,
                                     amount=1000,
                                     units='kg',
                                     element_type=et)
    spill.amount_uncertainty_scale = 1.0
    model.spills += spill

    print 'adding a RandomMover:'
    model.movers += RandomMover(diffusion_coef=500000, uncertain_factor=2)

    print 'adding a wind mover:'
    series = np.zeros((5, ), dtype=datetime_value_2d)
    series[0] = (start_time, (10, 45))
    series[1] = (start_time + timedelta(hours=18), (10, 90))
    series[2] = (start_time + timedelta(hours=30), (10, 135))
    series[3] = (start_time + timedelta(hours=42), (10, 180))
    series[4] = (start_time + timedelta(hours=54), (10, 225))

    wind = Wind(timeseries=series, units='m/s',
                speed_uncertainty_scale=0.5)
    model.movers += WindMover(wind)

    print 'adding a cats mover:'
    curr_file = get_datafile(os.path.join(base_dir, r"./LI_tidesWAC.CUR"))
    tide_file = get_datafile(os.path.join(base_dir, r"./CLISShio.txt"))

    c_mover = CatsMover(curr_file, tide=Tide(tide_file))
    model.movers += c_mover

    model.environment += c_mover.tide

    print 'adding Weatherers'
    water_env = Water(311.15)
    model.environment += water_env
    model.weatherers += [Evaporation(water_env, wind),
                         Dispersion(),
                         Burn(),
                         Skimmer()]

    print 'adding outputters'
    model.outputters += WeatheringOutput()

    return model
 Wind(timeseries=(sec_to_date(24 * 60 * 60), (0, 0)), units='mps'),
 Water(temperature=273),
 RandomMover(),
 CatsMover(testdata['CatsMover']['curr']),
 CatsMover(testdata['CatsMover']['curr'],
           tide=Tide(testdata['CatsMover']['tide'])),
 ComponentMover(testdata['ComponentMover']['curr']),
 ComponentMover(testdata['ComponentMover']['curr'],
                wind=Wind(filename=testdata['ComponentMover']['wind'])),
 RandomMover3D(),
 SimpleMover(velocity=(10.0, 10.0, 0.0)),
 map.MapFromBNA(testdata['MapFromBNA']['testmap'], 6),
 NetCDFOutput(os.path.join(base_dir, u'xtemp.nc')),
 Renderer(testdata['Renderer']['bna_sample'],
          os.path.join(base_dir, 'output_dir')),
 WeatheringOutput(),
 spill.PointLineRelease(release_time=datetime.now(),
                        num_elements=10,
                        start_position=(0, 0, 0)),
 spill.point_line_release_spill(10, (0, 0, 0), datetime.now()),
 spill.substance.Substance(windage_range=(0.05, 0.07)),
 spill.substance.GnomeOil(test_oil, windage_range=(0.05, 0.07)),
 spill.substance.NonWeatheringSubstance(windage_range=(0.05, 0.07)),
 Skimmer(amount=100,
         efficiency=0.3,
         active_range=(datetime(2014, 1, 1, 0,
                                0), datetime(2014, 1, 1, 4, 0)),
         units='kg'),
 Burn(area=100,
      thickness=1,
      active_range=(datetime(2014, 1, 1, 0, 0), datetime(2014, 1, 1, 4, 0)),
Beispiel #9
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def make_model(uncertain=False, geojson_output=False):
    print 'initializing the model'

    start_time = datetime(2012, 9, 15, 12, 0)
    mapfile = testdata["lis"]["map"]

    gnome_map = MapFromBNA(mapfile, refloat_halflife=6)  # hours

    # # the image output renderer
    # global renderer

    # one hour timestep
    model = Model(start_time=start_time,
                  duration=timedelta(hours=48),
                  time_step=3600,
                  map=gnome_map,
                  uncertain=uncertain,
                  cache_enabled=False)

    print 'adding a spill'
    spill = point_line_release_spill(num_elements=1000,
                                     start_position=(-72.419992, 41.202120,
                                                     0.0),
                                     release_time=start_time,
                                     amount=1000,
                                     substance=test_oil,
                                     units='kg')
    spill.amount_uncertainty_scale = 1.0
    model.spills += spill

    print 'adding a RandomMover:'
    model.movers += RandomMover(diffusion_coef=500000, uncertain_factor=2)

    print 'adding a wind mover:'
    series = np.zeros((5, ), dtype=datetime_value_2d)
    series[0] = (start_time, (20, 45))
    series[1] = (start_time + timedelta(hours=18), (20, 90))
    series[2] = (start_time + timedelta(hours=30), (20, 135))
    series[3] = (start_time + timedelta(hours=42), (20, 180))
    series[4] = (start_time + timedelta(hours=54), (20, 225))

    wind = Wind(timeseries=series, units='m/s', speed_uncertainty_scale=0.05)
    model.movers += WindMover(wind)

    print 'adding a cats mover:'
    c_mover = CatsMover(testdata["lis"]["cats_curr"],
                        tide=Tide(testdata["lis"]["cats_tide"]))
    model.movers += c_mover

    model.environment += c_mover.tide

    print 'adding Weatherers'
    rel_time = model.spills[0].get('release_time')
    skim_start = rel_time + timedelta(hours=4)
    amount = spill.amount
    units = spill.units

    # define skimmer/burn cleanup options
    skimmer = Skimmer(0.3 * amount,
                      units=units,
                      efficiency=0.3,
                      active_start=skim_start,
                      active_stop=skim_start + timedelta(hours=4))
    # thickness = 1m so area is just 20% of volume
    volume = spill.get_mass() / spill.get('substance').get_density()
    burn = Burn(0.2 * volume, 1.0, active_start=skim_start, efficiency=.9)
    c_disp = ChemicalDispersion(0.1,
                                efficiency=0.5,
                                active_start=skim_start,
                                active_stop=skim_start + timedelta(hours=1))

    water_env = Water(311.15)
    model.environment += water_env
    model.weatherers += [Evaporation(water_env, wind), c_disp, burn, skimmer]

    print 'adding outputters'
    model.outputters += WeatheringOutput()

    if geojson_output:
        model.outputters += TrajectoryGeoJsonOutput()

    return model
Beispiel #10
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def make_model(images_dir=os.path.join(base_dir, 'images')):
    print 'initializing the model'

    start_time = datetime(2015, 5, 14, 0, 0)

    # 1 day of data in file
    # 1/2 hr in seconds
    model = Model(start_time=start_time,
                  duration=timedelta(days=1.75),
                  time_step=60 * 60,
                  uncertain=True)

    #     mapfile = get_datafile(os.path.join(base_dir, './ak_arctic.bna'))
    #
    #     print 'adding the map'
    #     model.map = MapFromBNA(mapfile, refloat_halflife=1)  # 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, size=(800, 600),
    #                         output_timestep=timedelta(hours=2),
    #                         draw_ontop='forecast')
    #
    #     print 'adding outputters'
    #     model.outputters += renderer

    model.outputters += WeatheringOutput()

    netcdf_file = os.path.join(base_dir, 'script_weatherers.nc')
    scripting.remove_netcdf(netcdf_file)
    model.outputters += NetCDFOutput(netcdf_file,
                                     which_data='all',
                                     output_timestep=timedelta(hours=1))

    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),
    end_time = start_time + timedelta(hours=24)
    spill = point_line_release_spill(
        num_elements=100,
        start_position=(-164.791878561, 69.6252597267, 0.0),
        release_time=start_time,
        end_release_time=end_time,
        amount=1000,
        substance='ALASKA NORTH SLOPE (MIDDLE PIPELINE)',
        units='bbl')

    # set bullwinkle to .303 to cause mass goes to zero bug at 24 hours (when continuous release ends)
    spill.element_type._substance._bullwinkle = .303
    model.spills += spill

    print 'adding a RandomMover:'
    #model.movers += RandomMover(diffusion_coef=50000)

    print 'adding a wind mover:'

    series = np.zeros((2, ), dtype=datetime_value_2d)
    series[0] = (start_time, (20, 0))
    series[1] = (start_time + timedelta(hours=23), (20, 0))

    wind2 = Wind(timeseries=series, units='knot')

    w_mover = WindMover(wind)
    model.movers += w_mover

    print 'adding weatherers and cleanup options:'

    # define skimmer/burn cleanup options
    skim1_start = start_time + timedelta(hours=15.58333)
    skim2_start = start_time + timedelta(hours=16)
    units = spill.units
    skimmer1 = Skimmer(80,
                       units=units,
                       efficiency=0.36,
                       active_start=skim1_start,
                       active_stop=skim1_start + timedelta(hours=8))
    skimmer2 = Skimmer(120,
                       units=units,
                       efficiency=0.2,
                       active_start=skim2_start,
                       active_stop=skim2_start + timedelta(hours=12))

    burn_start = start_time + timedelta(hours=36)
    burn = Burn(1000., .1, active_start=burn_start, efficiency=.2)

    chem_start = start_time + timedelta(hours=24)
    c_disp = ChemicalDispersion(0.5,
                                efficiency=0.4,
                                active_start=chem_start,
                                active_stop=chem_start + timedelta(hours=8))

    model.environment += [Water(280.928), wind, waves]

    model.weatherers += Evaporation(water, wind)
    model.weatherers += Emulsification(waves)
    model.weatherers += NaturalDispersion(waves, water)
    model.weatherers += skimmer1
    model.weatherers += skimmer2
    model.weatherers += burn
    model.weatherers += c_disp

    return model
Beispiel #11
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def test_init():
    'simple initialization passes'
    g = WeatheringOutput()
    assert g.output_dir is None
import gnome.scripting as gs
from gnome.outputters import WeatheringOutput, OilBudgetOutput

try:
    savefile = sys.argv[1]
except IndexError:
    print "You must provide a savefile to load"
    sys.exit(1)


print "Loading:", savefile

model = gs.Model.load_savefile(savefile)
model.outputters += WeatheringOutput(output_dir="NewModel",
                                     output_timestep=gs.hours(1),
                                     )

print "running model"
model.full_run()







# note: this outputs a bunch of JSON -- one for each timestep.
#       maybe a MassBalanceOutputter that ouputs a CSV file would be in order?

Beispiel #13
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def model(sample_model):
    model = sample_model['model']
    model.make_default_refs = True

    rel_start_pos = sample_model['release_start_pos']
    rel_end_pos = sample_model['release_end_pos']

    # model.cache_enabled = True # why use the cache -- it'll just slow things down!!!
    model.uncertain = False

    wind = constant_wind(1.0, 0.0)
    water = Water(311.15)
    model.environment += water

    waves = Waves(wind, water)
    model.environment += waves

    print "the environment:", model.environment

    start_time = model.start_time

    model.duration = timedelta(hours=12)
    end_time = start_time + timedelta(hours=1)
    spill = point_line_release_spill(100,
                                     start_position=rel_start_pos,
                                     release_time=start_time,
                                     end_release_time=start_time + hours(1),
                                     end_position=rel_end_pos,
                                     substance=test_oil,
                                     amount=1000,
                                     units='kg')
    model.spills += spill

    # figure out mid-run save for weathering_data attribute, then add this in
    # rel_time = model.spills[0].release_time

    skim_start = start_time + timedelta(hours=1)
    amount = model.spills[0].amount
    units = model.spills[0].units

    skimmer = Skimmer(.3 * amount,
                      units=units,
                      efficiency=0.3,
                      active_range=(skim_start,
                                    skim_start + hours(1)))

    # thickness = 1m so area is just 20% of volume
    volume = spill.get_mass() / spill.substance.density_at_temp()

    burn = Burn(0.2 * volume, 1.0,
                active_range=(skim_start, InfDateTime('inf')),
                efficiency=0.9)

    c_disp = ChemicalDispersion(.1, efficiency=0.5,
                                active_range=(skim_start,
                                              skim_start + timedelta(hours=1)),
                                waves=waves)

    model.weatherers += [Evaporation(),
                         c_disp,
                         burn,
                         skimmer]

    model.outputters += WeatheringOutput()
    model.rewind()

    return model