{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "\"Open\n", "\n", "Uncomment the following line to install [geemap](https://geemap.org) if needed." ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "# !pip install geemap" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import ee\n", "import geemap\n", "import os" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "geemap.show_youtube('ou-Xm3CLitM')" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "Map = geemap.Map()\n", "Map" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "# Add Earth Engine dataset\n", "dem = ee.Image('USGS/SRTMGL1_003')\n", "\n", "# Set visualization parameters.\n", "dem_vis = {\n", " 'min': 0,\n", " 'max': 4000,\n", " 'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5']}\n", "\n", "# Add Earth Engine DEM to map\n", "Map.addLayer(dem, dem_vis, 'SRTM DEM')\n", "\n", "# Add Landsat data to map\n", "landsat = ee.Image('LE7_TOA_5YEAR/1999_2003')\n", "\n", "landsat_vis = {\n", " 'bands': ['B4', 'B3', 'B2'], \n", " 'gamma': 1.4\n", "}\n", "Map.addLayer(landsat, landsat_vis, \"LE7_TOA_5YEAR/1999_2003\")\n", "\n", "states = ee.FeatureCollection(\"TIGER/2018/States\")\n", "Map.addLayer(states, {}, 'US States')" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "out_dir = os.path.join(os.path.expanduser('~'), 'Downloads')\n", "out_dem_stats = os.path.join(out_dir, 'dem_stats.csv') \n", "\n", "if not os.path.exists(out_dir):\n", " os.makedirs(out_dir)\n", "\n", "# Allowed output formats: csv, shp, json, kml, kmz\n", "# Allowed statistics type: MEAN, MAXIMUM, MINIMUM, MEDIAN, STD, MIN_MAX, VARIANCE, SUM\n", "geemap.zonal_statistics(dem, states, out_dem_stats, statistics_type='MEAN', scale=1000)" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "scrolled": true }, "outputs": [], "source": [ "out_landsat_stats = os.path.join(out_dir, 'landsat_stats.csv') \n", "geemap.zonal_statistics(landsat, states, out_landsat_stats, statistics_type='SUM', scale=1000)" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "geemap.create_download_link(out_dem_stats)" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "geemap.create_download_link(out_landsat_stats)" ] } ], "metadata": { "hide_input": false, "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.8.5" }, "toc": { "base_numbering": 1, "nav_menu": {}, "number_sections": true, "sideBar": true, "skip_h1_title": true, "title_cell": "Table of Contents", "title_sidebar": "Table of Contents", "toc_cell": false, "toc_position": {}, "toc_section_display": true, "toc_window_display": true }, "varInspector": { "cols": { "lenName": 16, "lenType": 16, "lenVar": 40 }, "kernels_config": { "python": { "delete_cmd_postfix": "", "delete_cmd_prefix": "del ", "library": "var_list.py", "varRefreshCmd": "print(var_dic_list())" }, "r": { "delete_cmd_postfix": ") ", "delete_cmd_prefix": "rm(", "library": "var_list.r", "varRefreshCmd": "cat(var_dic_list()) " } }, "types_to_exclude": [ "module", "function", "builtin_function_or_method", "instance", "_Feature" ], "window_display": false } }, "nbformat": 4, "nbformat_minor": 4 }