examples/notebooks/118_download_image.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "0",
   "metadata": {},
   "source": [
    "<a href=\"https://githubtocolab.com/gee-community/geemap/blob/master/examples/notebooks/118_download_image.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open in Colab\"/></a>\n",
    "\n",
    "**Download images directly to a local computer**\n",
    "\n",
    "Uncomment the following line to install [geemap](https://geemap.org) if needed."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "1",
   "metadata": {},
   "outputs": [],
   "source": [
    "# !pip install -U geemap"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "2",
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import ee\n",
    "import geemap"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "3",
   "metadata": {},
   "outputs": [],
   "source": [
    "Map = geemap.Map()\n",
    "Map"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4",
   "metadata": {},
   "source": [
    "## Download a single image"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "5",
   "metadata": {},
   "outputs": [],
   "source": [
    "image = ee.ImageCollection(\"LANDSAT/LC08/C02/T1_TOA\").first()\n",
    "Map.addLayer(image, {}, \"Landsat\")\n",
    "Map.centerObject(image)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "6",
   "metadata": {},
   "outputs": [],
   "source": [
    "geemap.download_ee_image(image, \"landsat.tif\", scale=100)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7",
   "metadata": {},
   "source": [
    "## Download an image collection"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "8",
   "metadata": {},
   "outputs": [],
   "source": [
    "out_dir = os.path.expanduser(\"~/Downloads\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "9",
   "metadata": {},
   "outputs": [],
   "source": [
    "loc = ee.Geometry.Point(-99.2222, 46.7816)\n",
    "collection = (\n",
    "    ee.ImageCollection(\"USDA/NAIP/DOQQ\")\n",
    "    .filterBounds(loc)\n",
    "    .filterDate(\"2008-01-01\", \"2020-01-01\")\n",
    "    .filter(ee.Filter.listContains(\"system:band_names\", \"N\"))\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "10",
   "metadata": {},
   "outputs": [],
   "source": [
    "geemap.download_ee_image_collection(collection, out_dir, scale=10)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "11",
   "metadata": {},
   "source": [
    "## Download image by tile"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "12",
   "metadata": {},
   "outputs": [],
   "source": [
    "Map = geemap.Map()\n",
    "\n",
    "image = ee.Image(\"LANDSAT/LE7_TOA_5YEAR/1999_2003\")\n",
    "\n",
    "landsat_vis = {\"bands\": [\"B4\", \"B3\", \"B2\"], \"gamma\": 2}\n",
    "Map.addLayer(image, landsat_vis, \"LE7_TOA_5YEAR/1999_2003\", True, 1)\n",
    "Map"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "13",
   "metadata": {},
   "outputs": [],
   "source": [
    "region = ee.Geometry.BBox(-115.6339, 35.7529, -113.9338, 36.7012)\n",
    "Map.centerObject(region)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "14",
   "metadata": {},
   "outputs": [],
   "source": [
    "features = geemap.fishnet(region, rows=2, cols=2)\n",
    "Map.addLayer(features, {}, \"Grids\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "15",
   "metadata": {},
   "outputs": [],
   "source": [
    "geemap.download_ee_image_tiles(\n",
    "    image, features, out_dir, prefix=\"landsat_\", crs=\"EPSG:3857\", scale=30\n",
    ")"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
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