{
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\n# Coastline interaction\n\nExample to illustrate stranding options using an artificial\neast-west oscillating current field\nKnut-Frode Dagestad, Feb 2017\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "from datetime import datetime\nfrom opendrift.readers import reader_oscillating\nfrom opendrift.models.oceandrift import OceanDrift\n\no = OceanDrift(loglevel=50)  # Set loglevel to 0 for debug information\n\nreader_osc = reader_oscillating.Reader('x_sea_water_velocity', amplitude=1,\n                                       zero_time=datetime.utcnow())\no.add_reader([reader_osc])  # Oscillating east-west current component\n\no.set_config('environment:fallback:y_sea_water_velocity', .2)  # Adding northwards drift"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "Try different options: 'previous', 'stranding', 'none'\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "o.set_config('general:coastline_action', 'previous')\n\no.seed_elements(lon=12.2, lat=67.7, radius=5000, number=25, time=reader_osc.zero_time)\n\no.run(steps=36*4, time_step=900, time_step_output=1800)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "Print and plot results\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "print(o)\no.animation()\no.plot()"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "<img src=\"file://gallery/animations/example_coastline_options_0.gif\">\n\n"
      ]
    }
  ],
  "metadata": {
    "kernelspec": {
      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
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    "language_info": {
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.11.6"
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