Constant current

from datetime import datetime, timedelta
from opendrift.models.oceandrift import OceanDrift

o = OceanDrift(loglevel=20)  # Set loglevel to 0 for debug information
14:13:50 INFO    opendrift.models.basemodel:507: OpenDriftSimulation initialised (version 1.11.2 / v1.11.2-69-gb16198b)

Adding no input models, but instead constant northwards current of 1 m/s

o.set_config('environment:fallback:x_sea_water_velocity', 0)
o.set_config('environment:fallback:y_sea_water_velocity', 1)
o.set_config('environment:fallback:land_binary_mask', 0)

Seed elements at defined position and time

o.seed_elements(lon=4.0, lat=60.0, radius=5000, number=100,
                time=datetime(2015, 9, 22, 6, 0, 0))
14:13:50 INFO    opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 2.0 m/s. Adding a customised landmask may be faster...
14:13:56 INFO    opendrift.models.basemodel.environment:245: Fallback values will be used for the following variables which have no readers:
14:13:56 INFO    opendrift.models.basemodel.environment:248:    x_sea_water_velocity: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    y_sea_water_velocity: 1.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_height: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    x_wind: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    y_wind: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    upward_sea_water_velocity: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    ocean_vertical_diffusivity: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_significant_height: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_swell_wave_to_direction: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_swell_wave_peak_period_from_variance_spectral_density: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_swell_wave_significant_height: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wind_wave_to_direction: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wind_wave_mean_period: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_surface_wind_wave_significant_height: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    surface_downward_x_stress: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    surface_downward_y_stress: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    turbulent_kinetic_energy: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    turbulent_generic_length_scale: 0.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    ocean_mixed_layer_thickness: 50.000000
14:13:56 INFO    opendrift.models.basemodel.environment:248:    sea_floor_depth_below_sea_level: 10000.000000

Running model for 50 hours

o.run(duration=timedelta(hours=50))
14:13:56 INFO    opendrift.models.basemodel:885: Using existing reader for land_binary_mask
14:13:56 INFO    opendrift.models.basemodel:896: All points are in ocean
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 06:00:00 - step 1 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 07:00:00 - step 2 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 08:00:00 - step 3 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 09:00:00 - step 4 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 10:00:00 - step 5 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 11:00:00 - step 6 of 50 - 100 active elements (0 deactivated)
14:13:56 INFO    opendrift.models.basemodel:1985: 2015-09-22 12:00:00 - step 7 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 13:00:00 - step 8 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 14:00:00 - step 9 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 15:00:00 - step 10 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 16:00:00 - step 11 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 17:00:00 - step 12 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 18:00:00 - step 13 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 19:00:00 - step 14 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 20:00:00 - step 15 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-22 21:00:00 - step 16 of 50 - 100 active elements (0 deactivated)
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14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 00:00:00 - step 19 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 01:00:00 - step 20 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 02:00:00 - step 21 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 03:00:00 - step 22 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 04:00:00 - step 23 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 05:00:00 - step 24 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 06:00:00 - step 25 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 07:00:00 - step 26 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 08:00:00 - step 27 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 09:00:00 - step 28 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 10:00:00 - step 29 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 11:00:00 - step 30 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 12:00:00 - step 31 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 13:00:00 - step 32 of 50 - 100 active elements (0 deactivated)
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14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 19:00:00 - step 38 of 50 - 100 active elements (0 deactivated)
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14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-23 21:00:00 - step 40 of 50 - 100 active elements (0 deactivated)
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14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 00:00:00 - step 43 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 01:00:00 - step 44 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 02:00:00 - step 45 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 03:00:00 - step 46 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 04:00:00 - step 47 of 50 - 100 active elements (0 deactivated)
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14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 06:00:00 - step 49 of 50 - 100 active elements (0 deactivated)
14:13:57 INFO    opendrift.models.basemodel:1985: 2015-09-24 07:00:00 - step 50 of 50 - 100 active elements (0 deactivated)

Print and plot results

print(o)
o.plot(fast=True, buffer=1)
OpenDrift - OceanDrift 2015-09-22 06:00 to 2015-09-24 08:00 UTC (51 steps)
===========================
--------------------
Reader performance:
--------------------
global_landmask
 0:00:00.0  total
 0:00:00.0  preparing
 0:00:00.0  reading
 0:00:00.0  masking
--------------------
Performance:
    7.0 total time
    6.2 configuration
    0.0 preparing main loop
      0.0 moving elements to ocean
    0.8 main loop
      0.0 updating elements
    0.0 cleaning up
--------------------
===========================
Model:  OceanDrift     (OpenDrift version 1.11.2)
        100 active Lagrangian3DArray particles  (0 deactivated, 0 scheduled)
-------------------
Environment variables:
  -----
  land_binary_mask
     1) global_landmask
  -----
Readers not added for the following variables:
  ocean_mixed_layer_thickness
  ocean_vertical_diffusivity
  sea_floor_depth_below_sea_level
  sea_surface_height
  sea_surface_swell_wave_peak_period_from_variance_spectral_density
  sea_surface_swell_wave_significant_height
  sea_surface_swell_wave_to_direction
  sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment
  sea_surface_wave_period_at_variance_spectral_density_maximum
  sea_surface_wave_significant_height
  sea_surface_wave_stokes_drift_x_velocity
  sea_surface_wave_stokes_drift_y_velocity
  sea_surface_wind_wave_mean_period
  sea_surface_wind_wave_significant_height
  sea_surface_wind_wave_to_direction
  surface_downward_x_stress
  surface_downward_y_stress
  turbulent_generic_length_scale
  turbulent_kinetic_energy
  upward_sea_water_velocity
  x_sea_water_velocity
  x_wind
  y_sea_water_velocity
  y_wind

Discarded readers:

Time:
        Start: 2015-09-22 06:00:00 UTC
        Present: 2015-09-24 08:00:00 UTC
        Calculation steps: 50 * 1:00:00 - total time: 2 days, 2:00:00
        Output steps: 51 * 1:00:00
===========================

14:13:57 WARNING opendrift.models.basemodel:2356: Plotting fast. This will make your plots less accurate.

(<GeoAxes: title={'center': 'OpenDrift - OceanDrift\n2015-09-22 06:00 to 2015-09-24 08:00 UTC (51 steps)'}>, <Figure size 622.055x1100 with 1 Axes>)

Total running time of the script: (0 minutes 11.703 seconds)

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