.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/example_reader_operators.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_reader_operators.py: Combining readers using operators ================================== It is possible to combine readers using operators, to create e.g. a mean reader from different sources, or adding a constant force term to another sources. .. seealso:: :py:mod:`opendrift.readers.operators`. .. GENERATED FROM PYTHON SOURCE LINES 12-29 .. code-block:: Python from datetime import timedelta from opendrift.readers import reader_netCDF_CF_generic, reader_constant from opendrift.models.leeway import Leeway lw = Leeway(loglevel=20) # Set loglevel to 0 for debug information # Atmospheric model for wind #reader_arome = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc') reader_arome = reader_netCDF_CF_generic.Reader(lw.test_data_folder() + '16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc') # Ocean model for current #reader_norkyst = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/mepslatest/meps_lagged_6_h_latest_2_5km_latest.nc') reader_norkyst = reader_netCDF_CF_generic.Reader(lw.test_data_folder() + '16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc') .. rst-class:: sphx-glr-script-out .. code-block:: none 14:37:38 INFO opendrift.models.basemodel:533: OpenDriftSimulation initialised (version 1.11.2 / v1.11.2-37-g34f6117) 14:37:38 INFO opendrift.readers.reader_netCDF_CF_generic:102: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc 14:37:38 INFO opendrift.readers.reader_netCDF_CF_generic:314: Detected dimensions: {'time': 'time', 'x': 'x', 'y': 'y'} 14:37:38 INFO opendrift.readers.reader_netCDF_CF_generic:102: Opening dataset: /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc 14:37:38 INFO opendrift.readers.reader_netCDF_CF_generic:314: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'} .. GENERATED FROM PYTHON SOURCE LINES 30-31 First a regular simulation, without the added wind: .. GENERATED FROM PYTHON SOURCE LINES 31-38 .. code-block:: Python lw.add_reader([reader_arome, reader_norkyst]) object_type = 26 # 26 = Life-raft, no ballast lw.seed_elements(lon=4.5, lat=59.6, radius=100, number=1000, time=reader_arome.start_time, object_type=object_type) lw.run(duration=timedelta(hours=48), time_step=900, time_step_output=3600) lw.plot(fast=True) .. image-sg:: /gallery/images/sphx_glr_example_reader_operators_001.png :alt: OpenDrift - Leeway (LIFE-RAFT-NB-1) 2015-11-16 00:00 to 2015-11-18 00:00 UTC (49 steps) :srcset: /gallery/images/sphx_glr_example_reader_operators_001.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-script-out .. code-block:: none 14:37:38 INFO opendrift.models.leeway:262: Seeding elements of object type 26: LIFE-RAFT-NB-1 (Life-raft, no ballast (NB) system, general (mean values)) 14:37:38 INFO opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 5.0 m/s. Adding a customised landmask may be faster... 14:37:44 INFO opendrift.models.basemodel:911: Using existing reader for land_binary_mask 14:37:44 INFO opendrift.models.basemodel:922: All points are in ocean 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 00:00:00 - step 1 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 00:15:00 - step 2 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 00:30:00 - step 3 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 00:45:00 - step 4 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 01:00:00 - step 5 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 01:15:00 - step 6 of 192 - 1000 active elements (0 deactivated) 14:37:44 INFO opendrift.models.basemodel:2011: 2015-11-16 01:30:00 - 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400 active elements (600 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 10:45:00 - step 140 of 192 - 395 active elements (605 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 11:00:00 - step 141 of 192 - 390 active elements (610 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 11:15:00 - step 142 of 192 - 388 active elements (612 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 11:30:00 - step 143 of 192 - 385 active elements (615 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 11:45:00 - step 144 of 192 - 381 active elements (619 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 12:00:00 - step 145 of 192 - 378 active elements (622 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 12:15:00 - step 146 of 192 - 374 active elements (626 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 12:30:00 - step 147 of 192 - 370 active elements (630 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 12:45:00 - step 148 of 192 - 367 active elements (633 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 13:00:00 - step 149 of 192 - 359 active elements (641 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 13:15:00 - step 150 of 192 - 354 active elements (646 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 13:30:00 - step 151 of 192 - 345 active elements (655 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 13:45:00 - step 152 of 192 - 342 active elements (658 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 14:00:00 - step 153 of 192 - 338 active elements (662 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 14:15:00 - step 154 of 192 - 334 active elements (666 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 14:30:00 - step 155 of 192 - 329 active elements (671 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 14:45:00 - step 156 of 192 - 326 active elements (674 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 15:00:00 - step 157 of 192 - 323 active elements (677 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 15:15:00 - step 158 of 192 - 318 active elements (682 deactivated) 14:37:48 INFO opendrift.models.basemodel:2011: 2015-11-17 15:30:00 - step 159 of 192 - 312 active elements (688 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 15:45:00 - step 160 of 192 - 306 active elements (694 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 16:00:00 - step 161 of 192 - 303 active elements (697 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 16:15:00 - step 162 of 192 - 298 active elements (702 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 16:30:00 - step 163 of 192 - 295 active elements (705 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 16:45:00 - step 164 of 192 - 290 active elements (710 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 17:00:00 - step 165 of 192 - 290 active elements (710 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 17:15:00 - step 166 of 192 - 285 active elements (715 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 17:30:00 - step 167 of 192 - 283 active elements (717 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 17:45:00 - step 168 of 192 - 278 active elements (722 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 18:00:00 - step 169 of 192 - 274 active elements (726 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 18:15:00 - step 170 of 192 - 273 active elements (727 deactivated) 14:37:49 WARNING opendrift.models.basemodel:2298: Missing variables: ['x_sea_water_velocity', 'y_sea_water_velocity'] 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 18:30:00 - step 171 of 192 - 269 active elements (731 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 18:45:00 - step 172 of 192 - 266 active elements (734 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 19:00:00 - step 173 of 192 - 262 active elements (738 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 19:15:00 - step 174 of 192 - 257 active elements (743 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 19:30:00 - step 175 of 192 - 254 active elements (746 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 19:45:00 - step 176 of 192 - 251 active elements (749 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 20:00:00 - step 177 of 192 - 250 active elements (750 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 20:15:00 - step 178 of 192 - 248 active elements (752 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 20:30:00 - step 179 of 192 - 246 active elements (754 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 20:45:00 - step 180 of 192 - 242 active elements (758 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 21:00:00 - step 181 of 192 - 242 active elements (758 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 21:15:00 - step 182 of 192 - 238 active elements (762 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 21:30:00 - step 183 of 192 - 236 active elements (764 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 21:45:00 - step 184 of 192 - 233 active elements (767 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 22:00:00 - step 185 of 192 - 233 active elements (767 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 22:15:00 - step 186 of 192 - 231 active elements (769 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 22:30:00 - step 187 of 192 - 230 active elements (770 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 22:45:00 - step 188 of 192 - 226 active elements (774 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 23:00:00 - step 189 of 192 - 223 active elements (777 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 23:15:00 - step 190 of 192 - 221 active elements (779 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 23:30:00 - step 191 of 192 - 217 active elements (783 deactivated) 14:37:49 INFO opendrift.models.basemodel:2011: 2015-11-17 23:45:00 - step 192 of 192 - 216 active elements (784 deactivated) 14:37:49 WARNING opendrift.models.basemodel:2379: Plotting fast. This will make your plots less accurate. (,
) .. GENERATED FROM PYTHON SOURCE LINES 39-40 Then a simulation where we add a constant x_wind component to cause stranding. .. GENERATED FROM PYTHON SOURCE LINES 40-42 .. code-block:: Python reader_onshore = reader_constant.Reader({ 'x_wind' : 10., 'y_wind': 0 }) .. GENERATED FROM PYTHON SOURCE LINES 43-45 If we just add all readers OpenDrift will read the wind from the first available reader, so we combine the wind reader and add them in order so that the combined reader is used first, then the actual sources are used next. .. GENERATED FROM PYTHON SOURCE LINES 45-50 .. code-block:: Python r0 = reader_onshore + reader_arome print(r0) lw2 = Leeway(loglevel=20) # Set loglevel to 0 for debug information lw2.add_reader([r0, reader_arome, reader_norkyst]) .. rst-class:: sphx-glr-script-out .. code-block:: none =========================== Reader: Combined(constant_reader | /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc) Projection: +proj=latlong Coverage: [degrees] xmin: -180.000000 xmax: 180.000000 ymin: -90.000000 ymax: 90.000000 Corners (lon, lat): (-180.00, 90.00) (180.00, 90.00) (-180.00, -90.00) (180.00, -90.00) Vertical levels [m]: Not specified Available time range: start: 2015-11-16 00:00:00 end: 2015-11-18 18:00:00 step: None Variables: wind_speed x_wind y_wind =========================== 14:37:56 INFO opendrift.models.basemodel:533: OpenDriftSimulation initialised (version 1.11.2 / v1.11.2-37-g34f6117) .. GENERATED FROM PYTHON SOURCE LINES 51-52 Seed leeway elements at defined position and time .. GENERATED FROM PYTHON SOURCE LINES 52-56 .. code-block:: Python object_type = 26 # 26 = Life-raft, no ballast lw2.seed_elements(lon=4.5, lat=59.6, radius=100, number=1000, time=reader_arome.start_time, object_type=object_type) .. rst-class:: sphx-glr-script-out .. code-block:: none 14:37:56 INFO opendrift.models.leeway:262: Seeding elements of object type 26: LIFE-RAFT-NB-1 (Life-raft, no ballast (NB) system, general (mean values)) 14:37:56 INFO opendrift.models.basemodel.environment:218: Adding a dynamical landmask with max. priority based on assumed maximum speed of 5.0 m/s. Adding a customised landmask may be faster... .. GENERATED FROM PYTHON SOURCE LINES 57-58 Running model .. GENERATED FROM PYTHON SOURCE LINES 58-60 .. code-block:: Python lw2.run(duration=timedelta(hours=48), time_step=900, time_step_output=3600) .. rst-class:: sphx-glr-script-out .. code-block:: none 14:37:56 INFO opendrift.models.basemodel:911: Using existing reader for land_binary_mask 14:37:56 INFO opendrift.models.basemodel:922: All points are in ocean 14:37:56 INFO opendrift.models.basemodel:2011: 2015-11-16 00:00:00 - step 1 of 192 - 1000 active elements (0 deactivated) 14:37:56 INFO opendrift.models.basemodel:2011: 2015-11-16 00:15:00 - step 2 of 192 - 1000 active elements (0 deactivated) 14:37:56 INFO opendrift.models.basemodel:2011: 2015-11-16 00:30:00 - step 3 of 192 - 1000 active elements (0 deactivated) 14:37:56 INFO opendrift.models.basemodel:2011: 2015-11-16 00:45:00 - step 4 of 192 - 1000 active elements (0 deactivated) 14:37:56 INFO opendrift.models.basemodel:2011: 2015-11-16 01:00:00 - step 5 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 01:15:00 - 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1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 05:45:00 - step 24 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 06:00:00 - step 25 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 06:15:00 - step 26 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 06:30:00 - step 27 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 06:45:00 - step 28 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 07:00:00 - step 29 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 07:15:00 - step 30 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 07:30:00 - step 31 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 07:45:00 - 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1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 10:00:00 - step 41 of 192 - 1000 active elements (0 deactivated) 14:37:57 INFO opendrift.models.basemodel:2011: 2015-11-16 10:15:00 - step 42 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 10:30:00 - step 43 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 10:45:00 - step 44 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 11:00:00 - step 45 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 11:15:00 - step 46 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 11:30:00 - step 47 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 11:45:00 - step 48 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 12:00:00 - step 49 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 12:15:00 - step 50 of 192 - 1000 active elements (0 deactivated) /root/project/opendrift/readers/interpolation/interpolators.py:17: RuntimeWarning: overflow encountered in cast data[mask] = np.finfo(np.float64).min 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 12:30:00 - step 51 of 192 - 1000 active elements (0 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 12:45:00 - step 52 of 192 - 999 active elements (1 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 13:00:00 - step 53 of 192 - 997 active elements (3 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 13:15:00 - step 54 of 192 - 994 active elements (6 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 13:30:00 - step 55 of 192 - 992 active elements (8 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 13:45:00 - 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803 active elements (197 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 16:00:00 - step 65 of 192 - 779 active elements (221 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 16:15:00 - step 66 of 192 - 755 active elements (245 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 16:30:00 - step 67 of 192 - 725 active elements (275 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 16:45:00 - step 68 of 192 - 707 active elements (293 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 17:00:00 - step 69 of 192 - 683 active elements (317 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 17:15:00 - step 70 of 192 - 655 active elements (345 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 17:30:00 - step 71 of 192 - 619 active elements (381 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 17:45:00 - step 72 of 192 - 599 active elements (401 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 18:00:00 - step 73 of 192 - 573 active elements (427 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 18:15:00 - step 74 of 192 - 549 active elements (451 deactivated) 14:37:58 INFO opendrift.models.basemodel:2011: 2015-11-16 18:30:00 - step 75 of 192 - 527 active elements (473 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 18:45:00 - step 76 of 192 - 499 active elements (501 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 19:00:00 - step 77 of 192 - 482 active elements (518 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 19:15:00 - step 78 of 192 - 459 active elements (541 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 19:30:00 - step 79 of 192 - 442 active elements (558 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 19:45:00 - step 80 of 192 - 432 active elements (568 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 20:00:00 - step 81 of 192 - 410 active elements (590 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 20:15:00 - step 82 of 192 - 392 active elements (608 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 20:30:00 - step 83 of 192 - 373 active elements (627 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 20:45:00 - step 84 of 192 - 354 active elements (646 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 21:00:00 - step 85 of 192 - 341 active elements (659 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 21:15:00 - step 86 of 192 - 322 active elements (678 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 21:30:00 - step 87 of 192 - 305 active elements (695 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 21:45:00 - step 88 of 192 - 288 active elements (712 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 22:00:00 - step 89 of 192 - 274 active elements (726 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 22:15:00 - step 90 of 192 - 262 active elements (738 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 22:30:00 - step 91 of 192 - 244 active elements (756 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 22:45:00 - step 92 of 192 - 228 active elements (772 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 23:00:00 - step 93 of 192 - 220 active elements (780 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 23:15:00 - step 94 of 192 - 208 active elements (792 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 23:30:00 - step 95 of 192 - 193 active elements (807 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-16 23:45:00 - step 96 of 192 - 184 active elements (816 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 00:00:00 - step 97 of 192 - 173 active elements (827 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 00:15:00 - step 98 of 192 - 161 active elements (839 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 00:30:00 - step 99 of 192 - 150 active elements (850 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 00:45:00 - step 100 of 192 - 140 active elements (860 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 01:00:00 - step 101 of 192 - 135 active elements (865 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 01:15:00 - step 102 of 192 - 129 active elements (871 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 01:30:00 - step 103 of 192 - 117 active elements (883 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 01:45:00 - step 104 of 192 - 113 active elements (887 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 02:00:00 - step 105 of 192 - 107 active elements (893 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 02:15:00 - step 106 of 192 - 102 active elements (898 deactivated) 14:37:59 INFO opendrift.models.basemodel:2011: 2015-11-17 02:30:00 - 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58 active elements (942 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 04:45:00 - step 116 of 192 - 55 active elements (945 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 05:00:00 - step 117 of 192 - 53 active elements (947 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 05:15:00 - step 118 of 192 - 52 active elements (948 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 05:30:00 - step 119 of 192 - 50 active elements (950 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 05:45:00 - step 120 of 192 - 48 active elements (952 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 06:00:00 - step 121 of 192 - 46 active elements (954 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 06:15:00 - step 122 of 192 - 44 active elements (956 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 06:30:00 - step 123 of 192 - 43 active elements (957 deactivated) 14:38:00 INFO opendrift.models.basemodel:2011: 2015-11-17 06:45:00 - 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step 192 of 192 - 4 active elements (996 deactivated) .. GENERATED FROM PYTHON SOURCE LINES 61-62 Print and plot results .. GENERATED FROM PYTHON SOURCE LINES 62-65 .. code-block:: Python print(lw2) lw2.plot(fast=True) .. image-sg:: /gallery/images/sphx_glr_example_reader_operators_002.png :alt: OpenDrift - Leeway (LIFE-RAFT-NB-1) 2015-11-16 00:00 to 2015-11-18 00:00 UTC (49 steps) :srcset: /gallery/images/sphx_glr_example_reader_operators_002.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-script-out .. code-block:: none =========================== -------------------- Reader performance: -------------------- Combined(constant_reader | /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc) -------------------- /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc 0:00:03.5 total 0:00:00.0 preparing 0:00:00.5 reading 0:00:00.1 interpolation 0:00:00.0 interpolation_time 0:00:02.9 rotating vectors 0:00:00.0 masking -------------------- /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/norkyst800_subset_16Nov2015.nc 0:00:03.6 total 0:00:00.0 preparing 0:00:00.7 reading 0:00:00.3 interpolation 0:00:00.0 interpolation_time 0:00:02.8 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: 5.0 total time 0.0 configuration 0.0 preparing main loop 0.0 moving elements to ocean 4.9 main loop 0.1 updating elements 0.0 cleaning up -------------------- =========================== Model: Leeway (OpenDrift version 1.11.2) 4 active LeewayObj particles (996 deactivated, 0 scheduled) ------------------- Environment variables: ----- x_wind y_wind 1) Combined(constant_reader | /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc) 2) /root/project/tests/test_data/16Nov2015_NorKyst_z_surface/arome_subset_16Nov2015.nc ----- 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 Discarded readers: Time: Start: 2015-11-16 00:00:00 UTC Present: 2015-11-18 00:00:00 UTC Calculation steps: 192 * 0:15:00 - total time: 2 days, 0:00:00 Output steps: 49 * 1:00:00 =========================== 14:38:01 WARNING opendrift.models.basemodel:2379: Plotting fast. This will make your plots less accurate. (,
) .. GENERATED FROM PYTHON SOURCE LINES 66-67 The first simulation compared to the second with extra wind: .. GENERATED FROM PYTHON SOURCE LINES 67-69 .. code-block:: Python lw.plot(fast=True, compare=lw2) .. image-sg:: /gallery/images/sphx_glr_example_reader_operators_003.png :alt: OpenDrift - Leeway (LIFE-RAFT-NB-1) 2015-11-16 00:00 to 2015-11-18 00:00 UTC (49 steps) :srcset: /gallery/images/sphx_glr_example_reader_operators_003.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-script-out .. code-block:: none 14:38:07 WARNING opendrift.models.basemodel:2379: Plotting fast. This will make your plots less accurate. (,
) .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 40.898 seconds) .. _sphx_glr_download_gallery_example_reader_operators.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: example_reader_operators.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: example_reader_operators.py ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_