.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/example_checkerboard.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_example_checkerboard.py: Checkerboard ============ .. GENERATED FROM PYTHON SOURCE LINES 6-21 .. code-block:: Python 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) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:04:17 INFO opendrift.models.basemodel:533: OpenDriftSimulation initialised (version 1.11.2 / v1.11.2-17-g1eadfa7) 17:04:17 INFO opendrift.readers.reader_netCDF_CF_generic:102: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc 17:04:17 INFO opendrift.readers.reader_netCDF_CF_generic:314: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'} .. GENERATED FROM PYTHON SOURCE LINES 22-23 Seeding particles in a checkerboard pattern .. GENERATED FROM PYTHON SOURCE LINES 23-40 .. code-block:: Python 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) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:04:17 INFO opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 1.0 m/s. Adding a customised landmask may be faster... 17:04:23 INFO opendrift.models.basemodel.environment:245: Fallback values will be used for the following variables which have no readers: 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_height: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: x_wind: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: y_wind: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: upward_sea_water_velocity: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: ocean_vertical_diffusivity: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_significant_height: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_stokes_drift_x_velocity: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_stokes_drift_y_velocity: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_period_at_variance_spectral_density_maximum: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_to_direction: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_peak_period_from_variance_spectral_density: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_swell_wave_significant_height: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_to_direction: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_mean_period: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_surface_wind_wave_significant_height: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: surface_downward_x_stress: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: surface_downward_y_stress: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: turbulent_kinetic_energy: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: turbulent_generic_length_scale: 0.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: ocean_mixed_layer_thickness: 50.000000 17:04:23 INFO opendrift.models.basemodel.environment:248: sea_floor_depth_below_sea_level: 10000.000000 .. GENERATED FROM PYTHON SOURCE LINES 41-42 Running model .. GENERATED FROM PYTHON SOURCE LINES 42-44 .. code-block:: Python o.run(steps=66*2, time_step=1800) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:04:23 INFO opendrift.models.basemodel:909: Using existing reader for land_binary_mask 17:04:23 INFO opendrift.models.basemodel:922: Moving 217 out of 5000 points from land to water 17:04:23 INFO opendrift.models.basemodel:2009: 2015-11-16 00:00:00 - step 1 of 132 - 5000 active elements (0 deactivated) /root/project/opendrift/readers/interpolation/interpolators.py:17: RuntimeWarning: overflow encountered in cast data[mask] = np.finfo(np.float64).min 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 00:30:00 - step 2 of 132 - 5000 active elements (0 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 01:00:00 - step 3 of 132 - 4883 active elements (117 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 01:30:00 - step 4 of 132 - 4811 active elements (189 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 02:00:00 - step 5 of 132 - 4765 active elements (235 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 02:30:00 - step 6 of 132 - 4730 active elements (270 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 03:00:00 - step 7 of 132 - 4699 active elements (301 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 03:30:00 - step 8 of 132 - 4676 active elements (324 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 04:00:00 - step 9 of 132 - 4657 active elements (343 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 04:30:00 - step 10 of 132 - 4647 active elements (353 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 05:00:00 - step 11 of 132 - 4636 active elements (364 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 05:30:00 - step 12 of 132 - 4621 active elements (379 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 06:00:00 - step 13 of 132 - 4613 active elements (387 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 06:30:00 - step 14 of 132 - 4604 active elements (396 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 07:00:00 - step 15 of 132 - 4597 active elements (403 deactivated) 17:04:24 INFO opendrift.models.basemodel:2009: 2015-11-16 07:30:00 - step 16 of 132 - 4585 active elements (415 deactivated) 17:04:25 INFO opendrift.models.basemodel:2009: 2015-11-16 08:00:00 - step 17 of 132 - 4575 active elements (425 deactivated) 17:04:25 INFO opendrift.models.basemodel:2009: 2015-11-16 08:30:00 - step 18 of 132 - 4566 active elements (434 deactivated) 17:04:25 INFO opendrift.models.basemodel:2009: 2015-11-16 09:00:00 - step 19 of 132 - 4547 active elements (453 deactivated) 17:04:25 INFO opendrift.models.basemodel:2009: 2015-11-16 09:30:00 - step 20 of 132 - 4533 active elements (467 deactivated) 17:04:25 INFO opendrift.models.basemodel:2009: 2015-11-16 10:00:00 - step 21 of 132 - 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3821 active elements (1179 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 14:30:00 - step 126 of 132 - 3820 active elements (1180 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 15:00:00 - step 127 of 132 - 3820 active elements (1180 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 15:30:00 - step 128 of 132 - 3819 active elements (1181 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 16:00:00 - step 129 of 132 - 3819 active elements (1181 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 16:30:00 - step 130 of 132 - 3819 active elements (1181 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 17:00:00 - step 131 of 132 - 3818 active elements (1182 deactivated) 17:04:31 INFO opendrift.models.basemodel:2009: 2015-11-18 17:30:00 - step 132 of 132 - 3815 active elements (1185 deactivated) .. GENERATED FROM PYTHON SOURCE LINES 45-46 Print and plot results .. GENERATED FROM PYTHON SOURCE LINES 46-49 .. code-block:: Python print(o) o.animation(fast=True) .. rst-class:: sphx-glr-script-out .. code-block:: none =========================== -------------------- Reader performance: -------------------- /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc 0:00:02.1 total 0:00:00.0 preparing 0:00:00.7 reading 0:00:00.3 interpolation 0:00:00.0 interpolation_time 0:00:01.4 rotating vectors 0:00:00.0 masking -------------------- global_landmask 0:00:00.0 total 0:00:00.0 preparing 0:00:00.0 reading 0:00:00.0 masking -------------------- Performance: 14.3 total time 6.0 configuration 0.4 preparing main loop 0.0 moving elements to ocean 7.7 main loop 0.3 updating elements 0.0 cleaning up -------------------- =========================== Model: OceanDrift (OpenDrift version 1.11.2) 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_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_wind y_wind Discarded readers: Time: Start: 2015-11-16 00:00:00 UTC Present: 2015-11-18 18:00:00 UTC Calculation steps: 132 * 0:30:00 - total time: 2 days, 18:00:00 Output steps: 133 * 0:30:00 =========================== 17:04:32 WARNING opendrift.models.basemodel:2377: Plotting fast. This will make your plots less accurate. /opt/conda/envs/opendrift/lib/python3.11/site-packages/cartopy/mpl/geoaxes.py:1696: UserWarning: No data for colormapping provided via 'c'. Parameters 'cmap' will be ignored result = super().scatter(*args, **kwargs) 17:04:33 INFO opendrift.models.basemodel:4561: Saving animation to /root/project/docs/source/gallery/animations/example_checkerboard_0.gif... 17:04:57 INFO opendrift.models.basemodel:3001: Time to make animation: 0:00:25.777952 .. GENERATED FROM PYTHON SOURCE LINES 50-51 .. image:: /gallery/animations/example_checkerboard_0.gif .. GENERATED FROM PYTHON SOURCE LINES 51-53 .. code-block:: Python o.plot() .. image-sg:: /gallery/images/sphx_glr_example_checkerboard_001.png :alt: OpenDrift - OceanDrift 2015-11-16 00:00 to 2015-11-18 18:00 UTC (133 steps) :srcset: /gallery/images/sphx_glr_example_checkerboard_001.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-script-out .. code-block:: none (,
) .. rst-class:: sphx-glr-timing **Total running time of the script:** (1 minutes 22.973 seconds) .. _sphx_glr_download_gallery_example_checkerboard.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: example_checkerboard.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: example_checkerboard.py ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_