earth_engine_animation_to_drive.ipynb

earth_engine_animation_to_drive.ipynb

{
  "nbformat": 4,
  "nbformat_minor": 0,
  "metadata": {
    "colab": {
      "name": "earth_engine_animation_to_drive.ipynb",
      "provenance": [],
      "toc_visible": true,
      "include_colab_link": true
    },
    "kernelspec": {
      "name": "python3",
      "display_name": "Python 3"
    }
  },
  "cells": [
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "view-in-github",
        "colab_type": "text"
      },
      "source": [
        "<a href=\"https://colab.research.google.com/gist/jdbcode/054e8c0c39e052f91db635390a93f710/earth_engine_animation_to_drive.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "224GqdsogBOI",
        "colab_type": "text"
      },
      "source": [
        "This notebook demonstrates how to save an Earth Engine [image collection animation](https://developers.google.com/earth-engine/ic_visualization) to Google Drive."
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "OEo726hQb_ij",
        "colab_type": "text"
      },
      "source": [
        "# Setup Earth Engine"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "V3aXlWq5bs3d",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "import ee\n",
        "\n",
        "ee.Authenticate()\n",
        "ee.Initialize()"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "DHN4fEx6cEcD",
        "colab_type": "text"
      },
      "source": [
        "# Get URL for collection animation"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "2cepvwDdbWTz",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "# Define an area of interest geometry with a global non-polar extent.\n",
        "aoi = ee.Geometry.Polygon(\n",
        "  [[[-179.0, 78.0], [-179.0, -58.0], [179.0, -58.0], [179.0, 78.0]]], None,\n",
        "  False)\n",
        "\n",
        "# Import hourly predicted temperature image collection for northern winter\n",
        "# solstice. Note that predictions extend for 384 hours; limit the collection\n",
        "# to the first 24 hours.\n",
        "temp_col = (ee.ImageCollection('NOAA/GFS0P25')\n",
        "  .filterDate('2018-12-22', '2018-12-23')\n",
        "  .limit(24)\n",
        "  .select('temperature_2m_above_ground'))\n",
        "\n",
        "# Define arguments for animation function parameters.\n",
        "video_args = {\n",
        "  'dimensions': 768,\n",
        "  'region': aoi,\n",
        "  'framesPerSecond': 7,\n",
        "  'crs': 'EPSG:3857',\n",
        "  'min': -40.0,\n",
        "  'max': 35.0,\n",
        "  'palette': ['blue', 'purple', 'cyan', 'green', 'yellow', 'red']\n",
        "}\n",
        "\n",
        "# Get URL that will produce the animation when accessed.\n",
        "gif_url = temp_col.getVideoThumbURL(video_args)"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "U_kvGfQtcLGS",
        "colab_type": "text"
      },
      "source": [
        "# Save the animation to Google Drive"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "2SNd2m7OcapT",
        "colab_type": "text"
      },
      "source": [
        "## Mount Google Drive to Colab VM"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "1AaJ3wmXcOsK",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "from google.colab import drive\n",
        "drive.mount('gdrive')"
      ],
      "execution_count": 0,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "P49-qxd3dtTb",
        "colab_type": "text"
      },
      "source": [
        "## Download the animation to Google Drive"
      ]
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "qNNYL7vLcoE0",
        "colab_type": "code",
        "colab": {}
      },
      "source": [
        "import urllib.request\n",
        "\n",
        "gif_name = 'gdrive/My Drive/ee_collection_animation.gif'\n",
        "urllib.request.urlretrieve(gif_url, gif_name)"
      ],
      "execution_count": 0,
      "outputs": []
    }
  ]
}