Checkerboard

import numpy as np
from opendrift.readers import reader_global_landmask
from opendrift.readers import reader_netCDF_CF_generic
from opendrift.models.oceandrift import OceanDrift

o = OceanDrift(loglevel=20)  # Set loglevel to 0 for debug information

# Norkyst
#reader_norkyst = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be')
reader_norkyst = reader_netCDF_CF_generic.Reader(o.test_data_folder() + '16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc')

o.add_reader([reader_norkyst])

o.set_config('drift:vertical_mixing', False)

Out:

13:43:49 INFO    opendrift.models.basemodel: OpenDriftSimulation initialised (version 1.7.1 / v1.7.1-87-g074c1d2)
13:43:49 INFO    opendrift.readers.reader_netCDF_CF_generic: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc

Seeding particles in a checkerboard pattern

di = 5 # Horizontal number of particles per square
dj = 5 # Vertical number of particles per square
lons = np.linspace(3.5, 5.0, 100)
lats = np.linspace(60, 61, 100)

ii = np.arange(len(lons))//di
jj = np.arange(len(lats))//dj
ii, jj = np.meshgrid(ii, jj)
board = (ii+jj)%2 > 0

lons, lats = np.meshgrid(lons, lats)
lons = lons[board].ravel()
lats = lats[board].ravel()

o.seed_elements(lons, lats, radius=0, number=5000,
                time=reader_norkyst.start_time)

Running model

o.run(steps=66*2, time_step=1800)

Out:

13:43:49 INFO    opendrift.models.basemodel: Fallback values will be used for the following variables which have no readers:
13:43:49 INFO    opendrift.models.basemodel:    x_wind: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    y_wind: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    upward_sea_water_velocity: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    ocean_vertical_diffusivity: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_surface_wave_significant_height: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_x_velocity: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_surface_wave_stokes_drift_y_velocity: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    surface_downward_x_stress: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    surface_downward_y_stress: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    turbulent_kinetic_energy: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    turbulent_generic_length_scale: 0.000000
13:43:49 INFO    opendrift.models.basemodel:    sea_floor_depth_below_sea_level: 10000.000000
13:43:49 INFO    opendrift.models.basemodel: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1 m/s. Adding a customised landmask may be faster...
13:43:49 INFO    opendrift_landmask_data.mask: locking landmask for generation..
13:43:49 INFO    opendrift_landmask_data.mask: decompressing memmap landmask to /tmp/landmask/mask.dat..
13:44:00 INFO    opendrift_landmask_data.mask: landmask generated
13:44:03 INFO    opendrift.models.basemodel: Using existing reader for land_binary_mask
13:44:03 INFO    opendrift.models.basemodel: Moving 217 out of 5000 points from land to water
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 00:00:00 - step 1 of 132 - 5000 active elements (0 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 00:30:00 - step 2 of 132 - 5000 active elements (0 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 01:00:00 - step 3 of 132 - 4883 active elements (117 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 01:30:00 - step 4 of 132 - 4811 active elements (189 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 02:00:00 - step 5 of 132 - 4765 active elements (235 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 02:30:00 - step 6 of 132 - 4730 active elements (270 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 03:00:00 - step 7 of 132 - 4699 active elements (301 deactivated)
13:44:03 INFO    opendrift.models.basemodel: 2015-11-16 03:30:00 - step 8 of 132 - 4676 active elements (324 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 04:00:00 - step 9 of 132 - 4657 active elements (343 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 04:30:00 - step 10 of 132 - 4647 active elements (353 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 05:00:00 - step 11 of 132 - 4636 active elements (364 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 05:30:00 - step 12 of 132 - 4621 active elements (379 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 06:00:00 - step 13 of 132 - 4613 active elements (387 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 06:30:00 - step 14 of 132 - 4604 active elements (396 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 07:00:00 - step 15 of 132 - 4597 active elements (403 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 07:30:00 - step 16 of 132 - 4585 active elements (415 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 08:00:00 - step 17 of 132 - 4575 active elements (425 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 08:30:00 - step 18 of 132 - 4566 active elements (434 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 09:00:00 - step 19 of 132 - 4547 active elements (453 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 09:30:00 - step 20 of 132 - 4533 active elements (467 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 10:00:00 - step 21 of 132 - 4511 active elements (489 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 10:30:00 - step 22 of 132 - 4494 active elements (506 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 11:00:00 - step 23 of 132 - 4483 active elements (517 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 11:30:00 - step 24 of 132 - 4472 active elements (528 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 12:00:00 - step 25 of 132 - 4459 active elements (541 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 12:30:00 - step 26 of 132 - 4441 active elements (559 deactivated)
13:44:04 INFO    opendrift.models.basemodel: 2015-11-16 13:00:00 - step 27 of 132 - 4425 active elements (575 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 13:30:00 - step 28 of 132 - 4410 active elements (590 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 14:00:00 - step 29 of 132 - 4399 active elements (601 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 14:30:00 - step 30 of 132 - 4389 active elements (611 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 15:00:00 - step 31 of 132 - 4381 active elements (619 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 15:30:00 - step 32 of 132 - 4375 active elements (625 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 16:00:00 - step 33 of 132 - 4365 active elements (635 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 16:30:00 - step 34 of 132 - 4355 active elements (645 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 17:00:00 - step 35 of 132 - 4342 active elements (658 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 17:30:00 - step 36 of 132 - 4340 active elements (660 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 18:00:00 - step 37 of 132 - 4329 active elements (671 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 18:30:00 - step 38 of 132 - 4319 active elements (681 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 19:00:00 - step 39 of 132 - 4306 active elements (694 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 19:30:00 - step 40 of 132 - 4294 active elements (706 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 20:00:00 - step 41 of 132 - 4288 active elements (712 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 20:30:00 - step 42 of 132 - 4276 active elements (724 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 21:00:00 - step 43 of 132 - 4256 active elements (744 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 21:30:00 - step 44 of 132 - 4236 active elements (764 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 22:00:00 - step 45 of 132 - 4225 active elements (775 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 22:30:00 - step 46 of 132 - 4213 active elements (787 deactivated)
13:44:05 INFO    opendrift.models.basemodel: 2015-11-16 23:00:00 - step 47 of 132 - 4205 active elements (795 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-16 23:30:00 - step 48 of 132 - 4197 active elements (803 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 00:00:00 - step 49 of 132 - 4189 active elements (811 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 00:30:00 - step 50 of 132 - 4181 active elements (819 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 01:00:00 - step 51 of 132 - 4171 active elements (829 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 01:30:00 - step 52 of 132 - 4156 active elements (844 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 02:00:00 - step 53 of 132 - 4145 active elements (855 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 02:30:00 - step 54 of 132 - 4132 active elements (868 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 03:00:00 - step 55 of 132 - 4119 active elements (881 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 03:30:00 - step 56 of 132 - 4103 active elements (897 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 04:00:00 - step 57 of 132 - 4093 active elements (907 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 04:30:00 - step 58 of 132 - 4086 active elements (914 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 05:00:00 - step 59 of 132 - 4077 active elements (923 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 05:30:00 - step 60 of 132 - 4070 active elements (930 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 06:00:00 - step 61 of 132 - 4058 active elements (942 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 06:30:00 - step 62 of 132 - 4050 active elements (950 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 07:00:00 - step 63 of 132 - 4040 active elements (960 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 07:30:00 - step 64 of 132 - 4032 active elements (968 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 08:00:00 - step 65 of 132 - 4020 active elements (980 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 08:30:00 - step 66 of 132 - 4006 active elements (994 deactivated)
13:44:06 INFO    opendrift.models.basemodel: 2015-11-17 09:00:00 - step 67 of 132 - 3994 active elements (1006 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 09:30:00 - step 68 of 132 - 3988 active elements (1012 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 10:00:00 - step 69 of 132 - 3981 active elements (1019 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 10:30:00 - step 70 of 132 - 3973 active elements (1027 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 11:00:00 - step 71 of 132 - 3966 active elements (1034 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 11:30:00 - step 72 of 132 - 3952 active elements (1048 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 12:00:00 - step 73 of 132 - 3945 active elements (1055 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 12:30:00 - step 74 of 132 - 3942 active elements (1058 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 13:00:00 - step 75 of 132 - 3939 active elements (1061 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 13:30:00 - step 76 of 132 - 3938 active elements (1062 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 14:00:00 - step 77 of 132 - 3937 active elements (1063 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 14:30:00 - step 78 of 132 - 3933 active elements (1067 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 15:00:00 - step 79 of 132 - 3927 active elements (1073 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 15:30:00 - step 80 of 132 - 3924 active elements (1076 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 16:00:00 - step 81 of 132 - 3919 active elements (1081 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 16:30:00 - step 82 of 132 - 3916 active elements (1084 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 17:00:00 - step 83 of 132 - 3915 active elements (1085 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 17:30:00 - step 84 of 132 - 3913 active elements (1087 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 18:00:00 - step 85 of 132 - 3912 active elements (1088 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 18:30:00 - step 86 of 132 - 3911 active elements (1089 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 19:00:00 - step 87 of 132 - 3908 active elements (1092 deactivated)
13:44:07 INFO    opendrift.models.basemodel: 2015-11-17 19:30:00 - step 88 of 132 - 3906 active elements (1094 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 20:00:00 - step 89 of 132 - 3900 active elements (1100 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 20:30:00 - step 90 of 132 - 3894 active elements (1106 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 21:00:00 - step 91 of 132 - 3888 active elements (1112 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 21:30:00 - step 92 of 132 - 3884 active elements (1116 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 22:00:00 - step 93 of 132 - 3880 active elements (1120 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 22:30:00 - step 94 of 132 - 3877 active elements (1123 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 23:00:00 - step 95 of 132 - 3876 active elements (1124 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-17 23:30:00 - step 96 of 132 - 3868 active elements (1132 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 00:00:00 - step 97 of 132 - 3863 active elements (1137 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 00:30:00 - step 98 of 132 - 3859 active elements (1141 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 01:00:00 - step 99 of 132 - 3856 active elements (1144 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 01:30:00 - step 100 of 132 - 3850 active elements (1150 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 02:00:00 - step 101 of 132 - 3847 active elements (1153 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 02:30:00 - step 102 of 132 - 3846 active elements (1154 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 03:00:00 - step 103 of 132 - 3845 active elements (1155 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 03:30:00 - step 104 of 132 - 3841 active elements (1159 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 04:00:00 - step 105 of 132 - 3837 active elements (1163 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 04:30:00 - step 106 of 132 - 3836 active elements (1164 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 05:00:00 - step 107 of 132 - 3836 active elements (1164 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 05:30:00 - step 108 of 132 - 3836 active elements (1164 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 06:00:00 - step 109 of 132 - 3836 active elements (1164 deactivated)
13:44:08 INFO    opendrift.models.basemodel: 2015-11-18 06:30:00 - step 110 of 132 - 3836 active elements (1164 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 07:00:00 - step 111 of 132 - 3836 active elements (1164 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 07:30:00 - step 112 of 132 - 3836 active elements (1164 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 08:00:00 - step 113 of 132 - 3835 active elements (1165 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 08:30:00 - step 114 of 132 - 3835 active elements (1165 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 09:00:00 - step 115 of 132 - 3834 active elements (1166 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 09:30:00 - step 116 of 132 - 3831 active elements (1169 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 10:00:00 - step 117 of 132 - 3830 active elements (1170 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 10:30:00 - step 118 of 132 - 3829 active elements (1171 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 11:00:00 - step 119 of 132 - 3828 active elements (1172 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 11:30:00 - step 120 of 132 - 3828 active elements (1172 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 12:00:00 - step 121 of 132 - 3824 active elements (1176 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 12:30:00 - step 122 of 132 - 3823 active elements (1177 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 13:00:00 - step 123 of 132 - 3821 active elements (1179 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 13:30:00 - step 124 of 132 - 3821 active elements (1179 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 14:00:00 - step 125 of 132 - 3821 active elements (1179 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 14:30:00 - step 126 of 132 - 3820 active elements (1180 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 15:00:00 - step 127 of 132 - 3820 active elements (1180 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 15:30:00 - step 128 of 132 - 3819 active elements (1181 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 16:00:00 - step 129 of 132 - 3819 active elements (1181 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 16:30:00 - step 130 of 132 - 3819 active elements (1181 deactivated)
13:44:09 INFO    opendrift.models.basemodel: 2015-11-18 17:00:00 - step 131 of 132 - 3818 active elements (1182 deactivated)
13:44:10 INFO    opendrift.models.basemodel: 2015-11-18 17:30:00 - step 132 of 132 - 3815 active elements (1185 deactivated)

Print and plot results

print(o)
o.animation(fast=True)

Out:

===========================
--------------------
Reader performance:
--------------------
/root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc
 0:00:02.7  total
 0:00:00.0  preparing
 0:00:00.6  reading
 0:00:00.3  interpolation
 0:00:00.0  interpolation_time
 0:00:02.1  rotating vectors
 0:00:00.0  masking
--------------------
global_landmask
 0:00:00.2  total
 0:00:00.0  preparing
 0:00:00.2  reading
 0:00:00.0  masking
--------------------
Performance:
   20.8 total time
    0.2 configuration
   13.8 preparing main loop
     13.5 making dynamical landmask
      0.1 moving elements to ocean
      3.9 readers
        0.2 global_landmask
        0.4 postprocessing
    6.5 main loop
        2.8 /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc
      0.3 updating elements
    0.1 cleaning up
--------------------
===========================
Model:  OceanDrift     (OpenDrift version 1.7.1)
        3813 active Lagrangian3DArray particles  (1187 deactivated, 0 scheduled)
-------------------
Environment variables:
  -----
  x_sea_water_velocity
  y_sea_water_velocity
     1) /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc
  -----
  land_binary_mask
     1) global_landmask
  -----
Readers not added for the following variables:
  ocean_vertical_diffusivity
  sea_floor_depth_below_sea_level
  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
  surface_downward_x_stress
  surface_downward_y_stress
  turbulent_generic_length_scale
  turbulent_kinetic_energy
  upward_sea_water_velocity
  x_wind
  y_wind

Time:
        Start: 2015-11-16 00:00:00
        Present: 2015-11-18 18:00:00
        Calculation steps: 132 * 0:30:00 - total time: 2 days, 18:00:00
        Output steps: 133 * 0:30:00
===========================

13:44:10 WARNING opendrift.models.basemodel: Plotting fast. This will make your plots less accurate.
13:44:13 INFO    opendrift.models.basemodel: Saving animation to /root/project/docs/source/gallery/animations/example_checkerboard_0.gif...
13:44:13 INFO    opendrift.models.basemodel: Making animated gif...
MovieWriter imagemagick unavailable; using Pillow instead.
../_images/example_checkerboard_0.gif
o.plot()
OpenDrift - OceanDrift 2015-11-16 00:00 to 2015-11-18 18:00 UTC (133 steps)

Out:

(<GeoAxesSubplot:title={'center':'OpenDrift - OceanDrift\n2015-11-16 00:00 to 2015-11-18 18:00 UTC (133 steps)'}>, <module 'matplotlib.pyplot' from '/opt/conda/envs/opendrift/lib/python3.9/site-packages/matplotlib/pyplot.py'>)

Total running time of the script: ( 1 minutes 26.525 seconds)

Gallery generated by Sphinx-Gallery