.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "gallery/example_reader_boundary.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_boundary.py: Reader boundary ================================== Seeding elements around the border of a ocean model domain (NorKyst800) to demonstrate autmatic transition back and forth with another model covering a larger domain (Topaz). .. GENERATED FROM PYTHON SOURCE LINES 10-27 .. code-block:: Python import numpy as np 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') # Topaz reader_topaz = reader_netCDF_CF_generic.Reader('https://thredds.met.no/thredds/dodsC/cmems/topaz6/dataset-topaz6-arc-15min-3km-be.ncml') o.add_reader([reader_norkyst, reader_topaz]) o.set_config('environment:fallback:land_binary_mask', 0) o.set_config('drift:vertical_mixing', False) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:16:22 INFO opendrift:513: OpenDriftSimulation initialised (version 1.14.2 / v1.14.2-88-gf09b7bd) 17:16:22 INFO opendrift.readers:61: Opening file with xr.open_dataset 17:16:23 INFO opendrift.readers.reader_netCDF_CF_generic:332: Detected dimensions: {'x': 'X', 'y': 'Y', 'z': 'depth', 'time': 'time'} 17:16:23 INFO opendrift.readers:61: Opening file with xr.open_dataset 17:16:25 INFO opendrift.readers.reader_netCDF_CF_generic:332: Detected dimensions: {'x': 'x', 'y': 'y', 'time': 'time'} .. GENERATED FROM PYTHON SOURCE LINES 28-29 Seeding some particles .. GENERATED FROM PYTHON SOURCE LINES 29-33 .. code-block:: Python lons = np.linspace(10.2, 12.2, 50) lats = np.linspace(69.8, 70.8, 50) lons, lats = np.meshgrid(lons, lats) .. GENERATED FROM PYTHON SOURCE LINES 34-35 Seed oil elements at defined position and time .. GENERATED FROM PYTHON SOURCE LINES 35-38 .. code-block:: Python o.seed_elements(lons, lats, radius=0, number=2500, time=reader_topaz.start_time) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:16:25 INFO opendrift.models.basemodel.environment:206: Adding a global landmask from GSHHG 17:16:30 INFO opendrift.models.basemodel.environment:229: Fallback values will be used for the following variables which have no readers: 17:16:30 INFO opendrift.models.basemodel.environment:232: ocean_vertical_diffusivity: 0.000000 17:16:30 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_significant_height: 0.000000 17:16:30 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_x_velocity: 0.000000 17:16:30 INFO opendrift.models.basemodel.environment:232: sea_surface_wave_stokes_drift_y_velocity: 0.000000 17:16:30 INFO opendrift.models.basemodel.environment:232: ocean_mixed_layer_thickness: 50.000000 .. GENERATED FROM PYTHON SOURCE LINES 39-40 Running model .. GENERATED FROM PYTHON SOURCE LINES 40-42 .. code-block:: Python o.run(steps=16*4, time_step=900, time_step_output=1800) .. rst-class:: sphx-glr-script-out .. code-block:: none 17:16:30 INFO opendrift:1732: Skipping environment variable ocean_vertical_diffusivity because of condition ['drift:vertical_mixing', 'is', False] 17:16:30 INFO opendrift:1732: Skipping environment variable ocean_mixed_layer_thickness because of condition ['drift:vertical_mixing', 'is', False] 17:16:30 INFO opendrift:1743: Storing previous values of element property lon because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous'])) 17:16:30 INFO opendrift:1743: Storing previous values of element property lat because of condition (('general:coastline_action', 'in', ['stranding', 'previous']), 'or', ('general:seafloor_action', 'in', ['previous'])) 17:16:30 INFO opendrift:1751: Storing previous values of environment variable sea_surface_height because of condition ['drift:vertical_advection', 'is', True] 17:16:30 INFO opendrift:899: Using existing reader for land_binary_mask 17:16:30 INFO opendrift:928: All points are in ocean 17:16:30 INFO opendrift:2035: 2023-01-01 00:00:00 - step 1 of 64 - 2500 active elements (0 deactivated) 17:16:32 INFO opendrift:2035: 2023-01-01 00:15:00 - step 2 of 64 - 2500 active elements (0 deactivated) 17:16:34 INFO opendrift:2035: 2023-01-01 00:30:00 - step 3 of 64 - 2500 active elements (0 deactivated) 17:16:35 INFO opendrift:2035: 2023-01-01 00:45:00 - step 4 of 64 - 2500 active elements (0 deactivated) 17:16:35 INFO opendrift:2035: 2023-01-01 01:00:00 - step 5 of 64 - 2500 active elements (0 deactivated) 17:16:36 INFO opendrift:2035: 2023-01-01 01:15:00 - step 6 of 64 - 2500 active elements (0 deactivated) 17:16:38 INFO opendrift:2035: 2023-01-01 01:30:00 - step 7 of 64 - 2500 active elements (0 deactivated) 17:16:39 INFO opendrift:2035: 2023-01-01 01:45:00 - step 8 of 64 - 2500 active elements (0 deactivated) 17:16:40 INFO opendrift:2035: 2023-01-01 02:00:00 - step 9 of 64 - 2500 active elements (0 deactivated) 17:16:40 INFO opendrift:2035: 2023-01-01 02:15:00 - step 10 of 64 - 2500 active elements (0 deactivated) 17:16:43 INFO opendrift:2035: 2023-01-01 02:30:00 - 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step 51 of 64 - 2500 active elements (0 deactivated) 17:17:27 INFO opendrift:2035: 2023-01-01 12:45:00 - step 52 of 64 - 2500 active elements (0 deactivated) 17:17:28 INFO opendrift:2035: 2023-01-01 13:00:00 - step 53 of 64 - 2500 active elements (0 deactivated) 17:17:29 INFO opendrift:2035: 2023-01-01 13:15:00 - step 54 of 64 - 2500 active elements (0 deactivated) 17:17:31 INFO opendrift:2035: 2023-01-01 13:30:00 - step 55 of 64 - 2500 active elements (0 deactivated) 17:17:32 INFO opendrift:2035: 2023-01-01 13:45:00 - step 56 of 64 - 2500 active elements (0 deactivated) 17:17:32 INFO opendrift:2035: 2023-01-01 14:00:00 - step 57 of 64 - 2500 active elements (0 deactivated) 17:17:33 INFO opendrift:2035: 2023-01-01 14:15:00 - step 58 of 64 - 2500 active elements (0 deactivated) 17:17:35 INFO opendrift:2035: 2023-01-01 14:30:00 - step 59 of 64 - 2500 active elements (0 deactivated) 17:17:36 INFO opendrift:2035: 2023-01-01 14:45:00 - step 60 of 64 - 2500 active elements (0 deactivated) 17:17:37 INFO opendrift:2035: 2023-01-01 15:00:00 - step 61 of 64 - 2500 active elements (0 deactivated) 17:17:37 INFO opendrift:2035: 2023-01-01 15:15:00 - step 62 of 64 - 2500 active elements (0 deactivated) 17:17:40 INFO opendrift:2035: 2023-01-01 15:30:00 - step 63 of 64 - 2500 active elements (0 deactivated) 17:17:41 INFO opendrift:2035: 2023-01-01 15:45:00 - step 64 of 64 - 2500 active elements (0 deactivated) .. raw:: html 
<xarray.Dataset> Size: 7MB
    Dimensions:                                   (trajectory: 2500, time: 33)
    Coordinates:
      * trajectory                                (trajectory) int64 20kB 0 ... 2499
      * time                                      (time) datetime64[ns] 264B 2023...
    Data variables: (12/21)
        status                                    (trajectory, time) float32 330kB ...
        moving                                    (trajectory, time) float32 330kB ...
        age_seconds                               (trajectory, time) float32 330kB ...
        origin_marker                             (trajectory, time) float32 330kB ...
        lon                                       (trajectory, time) float32 330kB ...
        lat                                       (trajectory, time) float32 330kB ...
        ...                                        ...
        upward_sea_water_velocity                 (trajectory, time) float32 330kB ...
        sea_surface_wave_significant_height       (trajectory, time) float32 330kB ...
        sea_surface_wave_stokes_drift_x_velocity  (trajectory, time) float32 330kB ...
        sea_surface_wave_stokes_drift_y_velocity  (trajectory, time) float32 330kB ...
        sea_floor_depth_below_sea_level           (trajectory, time) float32 330kB ...
        land_binary_mask                          (trajectory, time) float32 330kB ...
    Attributes: (12/119)
        Conventions:                                                           CF...
        standard_name_vocabulary:                                              CF...
        featureType:                                                           tr...
        title:                                                                 Op...
        summary:                                                               Ou...
        keywords:                                                              tr...
        ...                                                                    ...
        geospatial_lon_units:                                                  de...
        geospatial_lon_resolution:                                             point
        runtime:                                                               0:...
        geospatial_vertical_min:                                               0.0
        geospatial_vertical_max:                                               0.0
        geospatial_vertical_positive:                                          up


.. GENERATED FROM PYTHON SOURCE LINES 43-44 Print and plot results .. GENERATED FROM PYTHON SOURCE LINES 44-47 .. code-block:: Python print(o) o.animation(fast=True) .. rst-class:: sphx-glr-script-out .. code-block:: none =========================== -------------------- Reader performance: -------------------- https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be 0:00:28.4 total 0:00:00.0 preparing 0:00:27.8 reading 0:00:00.5 interpolation 0:00:00.0 interpolation_time 0:00:00.5 rotating vectors 0:00:00.0 masking -------------------- https://thredds.met.no/thredds/dodsC/cmems/topaz6/dataset-topaz6-arc-15min-3km-be.ncml 0:00:40.8 total 0:00:00.0 preparing 0:00:40.7 reading 0:00:00.0 interpolation 0:00:00.0 interpolation_time 0:00:00.1 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: 1:19.6 total time 8.1 configuration 0.0 preparing main loop 0.0 moving elements to ocean 1:11.4 main loop 0.2 updating elements 0.0 cleaning up -------------------- =========================== Model: OceanDrift (OpenDrift version 1.14.2) 2500 active Lagrangian3DArray particles (0 deactivated, 0 scheduled) ------------------- Environment variables: ----- sea_floor_depth_below_sea_level sea_surface_height x_sea_water_velocity y_sea_water_velocity 1) https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be 2) https://thredds.met.no/thredds/dodsC/cmems/topaz6/dataset-topaz6-arc-15min-3km-be.ncml ----- upward_sea_water_velocity x_wind y_wind 1) https://thredds.met.no/thredds/dodsC/sea/norkyst800m/1h/aggregate_be ----- land_binary_mask 1) global_landmask ----- Readers not added for the following variables: sea_surface_wave_significant_height sea_surface_wave_stokes_drift_x_velocity sea_surface_wave_stokes_drift_y_velocity Discarded readers: Time: Start: 2023-01-01 00:00:00 UTC Present: 2023-01-01 16:00:00 UTC Calculation steps: 64 * 0:15:00 - total time: 16:00:00 Output steps: 33 * 0:30:00 =========================== 17:17:41 WARNING opendrift:2391: Plotting fast. This will make your plots less accurate. 17:17:43 INFO opendrift:4553: Saving animation to /root/project/docs/source/gallery/animations/example_reader_boundary_0.gif... 17:18:09 INFO opendrift:2994: Time to make animation: 0:00:27.774197 .. GENERATED FROM PYTHON SOURCE LINES 48-49 .. image:: /gallery/animations/example_reader_boundary_0.gif .. GENERATED FROM PYTHON SOURCE LINES 49-51 .. code-block:: Python o.plot(fast=True) .. image-sg:: /gallery/images/sphx_glr_example_reader_boundary_001.png :alt: OpenDrift - OceanDrift 2023-01-01 00:00 to 2023-01-01 16:00 UTC (33 steps) :srcset: /gallery/images/sphx_glr_example_reader_boundary_001.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-script-out .. code-block:: none 17:18:09 WARNING opendrift:2391: Plotting fast. This will make your plots less accurate. (,
) .. rst-class:: sphx-glr-timing **Total running time of the script:** (2 minutes 3.887 seconds) .. _sphx_glr_download_gallery_example_reader_boundary.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_boundary.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: example_reader_boundary.py ` .. container:: sphx-glr-download sphx-glr-download-zip :download:`Download zipped: example_reader_boundary.zip ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_