#!/usr/bin/env python
# coding: utf-8

# <a href="https://githubtocolab.com/giswqs/geemap/blob/master/examples/notebooks/26_heroku.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open in Colab"/></a>
# 
# Uncomment the following line to install [geemap](https://geemap.org) if needed.

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# !pip install geemap


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import ee
import geemap


# ## Earth Engine App

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Map = geemap.Map(center=(40, -100), zoom=4)


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# Add Earth Engine dataset
dem = ee.Image('USGS/SRTMGL1_003')
landcover = ee.Image("ESA/GLOBCOVER_L4_200901_200912_V2_3").select('landcover')
landsat7 = ee.Image('LE7_TOA_5YEAR/1999_2003')
states = ee.FeatureCollection("TIGER/2018/States")

# Set visualization parameters.
vis_params = {
  'min': 0,
  'max': 4000,
  'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5']}

# Add Earth Eninge layers to Map
Map.addLayer(landsat7, {'bands': ['B4', 'B3', 'B2'], 'min': 20, 'max': 200}, 'Landsat 7')
Map.addLayer(landcover, {}, 'Land cover')
Map.addLayer(dem, vis_params, 'SRTM DEM', True, 1)
Map.addLayer(states, {}, "US States")

Map


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print('Change layer opacity:')
dem_layer = Map.layers[-2]
dem_layer.interact(opacity=(0, 1, 0.1))