{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import ee\n",
    "import geemap"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Earth Engine App"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "Map = geemap.Map(center=(40, -100), zoom=4)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "24983d0778b44da6a30fcf8e83091012",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "Map(bottom=1826.0, center=[40, -100], controls=(WidgetControl(options=['position'], widget=HBox(children=(Togg…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# Add Earth Engine dataset\n",
    "dem = ee.Image('USGS/SRTMGL1_003')\n",
    "landcover = ee.Image(\"ESA/GLOBCOVER_L4_200901_200912_V2_3\").select('landcover')\n",
    "landsat7 = ee.Image('LANDSAT/LE7_TOA_5YEAR/1999_2003')\n",
    "states = ee.FeatureCollection(\"TIGER/2018/States\")\n",
    "\n",
    "# Set visualization parameters.\n",
    "vis_params = {\n",
    "    'min': 0,\n",
    "    'max': 4000,\n",
    "    'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5'],\n",
    "}\n",
    "\n",
    "# Add Earth Engine layers to Map\n",
    "Map.addLayer(\n",
    "    landsat7, {'bands': ['B4', 'B3', 'B2'], 'min': 20, 'max': 200}, 'Landsat 7'\n",
    ")\n",
    "Map.addLayer(landcover, {}, 'Land cover')\n",
    "Map.addLayer(dem, vis_params, 'SRTM DEM', True, 1)\n",
    "Map.addLayer(states, {}, \"US States\")\n",
    "\n",
    "Map"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Change layer opacity:\n"
     ]
    },
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "489beced262c43ae8e4311f5a5cd2409",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "Box(children=(FloatSlider(value=1.0, description='opacity', max=1.0),))"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "print('Change layer opacity:')\n",
    "dem_layer = Map.layers[-2]\n",
    "dem_layer.interact(opacity=(0, 1, 0.1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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