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{ | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"<table class=\"ee-notebook-buttons\" align=\"left\">\n", | ||
" <td><a target=\"_blank\" href=\"https://github.com/giswqs/geemap/tree/master/examples/notebooks/ipyleaflet_tutorials.ipynb\"><img width=32px src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" /> View source on GitHub</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://nbviewer.jupyter.org/github/giswqs/geemap/blob/master/examples/notebooks/ipyleaflet_tutorials.ipynb\"><img width=26px src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Jupyter_logo.svg/883px-Jupyter_logo.svg.png\" />Notebook Viewer</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://mybinder.org/v2/gh/giswqs/geemap/master?filepath=examples/notebooks/ipyleaflet_tutorials.ipynb\"><img width=58px src=\"https://mybinder.org/static/images/logo_social.png\" />Run in binder</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://colab.research.google.com/github/giswqs/geemap/blob/master/examples/notebooks/ipyleaflet_tutorials.ipynb\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" /> Run in Google Colab</a></td>\n", | ||
"</table>" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Install Earth Engine API and geemap\n", | ||
"Install the [Earth Engine Python API](https://developers.google.com/earth-engine/python_install) and [geemap](https://github.com/giswqs/geemap). The **geemap** Python package is built upon the [ipyleaflet](https://github.com/jupyter-widgets/ipyleaflet) and [folium](https://github.com/python-visualization/folium) packages and implements several methods for interacting with Earth Engine data layers, such as `Map.addLayer()`, `Map.setCenter()`, and `Map.centerObject()`.\n", | ||
"The following script checks if the geemap package has been installed. If not, it will install geemap, which automatically installs its [dependencies](https://github.com/giswqs/geemap#dependencies), including earthengine-api, folium, and ipyleaflet.\n", | ||
"\n", | ||
"**Important note**: A key difference between folium and ipyleaflet is that ipyleaflet is built upon ipywidgets and allows bidirectional communication between the front-end and the backend enabling the use of the map to capture user input, while folium is meant for displaying static data only ([source](https://blog.jupyter.org/interactive-gis-in-jupyter-with-ipyleaflet-52f9657fa7a)). Note that [Google Colab](https://colab.research.google.com/) currently does not support ipyleaflet ([source](https://github.com/googlecolab/colabtools/issues/60#issuecomment-596225619)). Therefore, if you are using geemap with Google Colab, you should use [`import geemap.eefolium`](https://github.com/giswqs/geemap/blob/master/geemap/eefolium.py). If you are using geemap with [binder](https://mybinder.org/) or a local Jupyter notebook server, you can use [`import geemap`](https://github.com/giswqs/geemap/blob/master/geemap/geemap.py), which provides more functionalities for capturing user input (e.g., mouse-clicking and moving)." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"# Installs geemap package\n", | ||
"import subprocess\n", | ||
"\n", | ||
"try:\n", | ||
" import geemap\n", | ||
"except ImportError:\n", | ||
" print('geemap package not installed. Installing ...')\n", | ||
" subprocess.check_call([\"python\", '-m', 'pip', 'install', 'geemap'])\n", | ||
"\n", | ||
"# Checks whether this notebook is running on Google Colab\n", | ||
"try:\n", | ||
" import google.colab\n", | ||
" import geemap.eefolium as emap\n", | ||
"except:\n", | ||
" import geemap as emap\n", | ||
"\n", | ||
"# Authenticates and initializes Earth Engine\n", | ||
"import ee\n", | ||
"\n", | ||
"try:\n", | ||
" ee.Initialize()\n", | ||
"except Exception as e:\n", | ||
" ee.Authenticate()\n", | ||
" ee.Initialize() " | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Create an interactive map \n", | ||
"The default basemap is `Google Satellite`. [Additional basemaps](https://github.com/giswqs/geemap/blob/master/geemap/geemap.py#L13) can be added using the `Map.add_basemap()` function. " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"Map = emap.Map(center=[40,-100], zoom=4)\n", | ||
"Map.add_basemap('ROADMAP') # Add Google Map\n", | ||
"Map" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Add Earth Engine Python script " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"# Add Earth Engine dataset\n", | ||
"image = ee.Image('USGS/SRTMGL1_003')\n", | ||
"\n", | ||
"# Set visualization parameters.\n", | ||
"vis_params = {\n", | ||
" 'min': 0,\n", | ||
" 'max': 4000,\n", | ||
" 'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5']}\n", | ||
"\n", | ||
"# Print the elevation of Mount Everest.\n", | ||
"xy = ee.Geometry.Point([86.9250, 27.9881])\n", | ||
"elev = image.sample(xy, 30).first().get('elevation').getInfo()\n", | ||
"print('Mount Everest elevation (m):', elev)\n", | ||
"\n", | ||
"# Add Earth Engine layers to Map\n", | ||
"Map.addLayer(image, vis_params, 'DEM')\n", | ||
"Map.addLayer(xy, {'color': 'red'}, 'Mount Everest')\n", | ||
"\n", | ||
"# Center the map based on an Earth Engine object or coordinates (longitude, latitude)\n", | ||
"# Map.centerObject(xy, 4)\n", | ||
"Map.setCenter(86.9250, 27.9881, 4)" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Display Earth Engine data layers " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"Map.addLayerControl() # This line is not needed for ipyleaflet-based Map.\n", | ||
"Map" | ||
] | ||
} | ||
], | ||
"metadata": { | ||
"anaconda-cloud": {}, | ||
"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": "3.8.2" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 1 | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,153 @@ | ||
{ | ||
"cells": [ | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"<table class=\"ee-notebook-buttons\" align=\"left\">\n", | ||
" <td><a target=\"_blank\" href=\"https://github.com/giswqs/geemap/tree/master/examples/template/template.ipynb\"><img width=32px src=\"https://www.tensorflow.org/images/GitHub-Mark-32px.png\" /> View source on GitHub</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://nbviewer.jupyter.org/github/giswqs/geemap/blob/master/examples/template/template.ipynb\"><img width=26px src=\"https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Jupyter_logo.svg/883px-Jupyter_logo.svg.png\" />Notebook Viewer</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://mybinder.org/v2/gh/giswqs/geemap/master?filepath=examples/template/template.ipynb\"><img width=58px src=\"https://mybinder.org/static/images/logo_social.png\" />Run in binder</a></td>\n", | ||
" <td><a target=\"_blank\" href=\"https://colab.research.google.com/github/giswqs/geemap/blob/master/examples/template/template.ipynb\"><img src=\"https://www.tensorflow.org/images/colab_logo_32px.png\" /> Run in Google Colab</a></td>\n", | ||
"</table>" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Install Earth Engine API and geemap\n", | ||
"Install the [Earth Engine Python API](https://developers.google.com/earth-engine/python_install) and [geemap](https://github.com/giswqs/geemap). The **geemap** Python package is built upon the [ipyleaflet](https://github.com/jupyter-widgets/ipyleaflet) and [folium](https://github.com/python-visualization/folium) packages and implements several methods for interacting with Earth Engine data layers, such as `Map.addLayer()`, `Map.setCenter()`, and `Map.centerObject()`.\n", | ||
"The following script checks if the geemap package has been installed. If not, it will install geemap, which automatically installs its [dependencies](https://github.com/giswqs/geemap#dependencies), including earthengine-api, folium, and ipyleaflet.\n", | ||
"\n", | ||
"**Important note**: A key difference between folium and ipyleaflet is that ipyleaflet is built upon ipywidgets and allows bidirectional communication between the front-end and the backend enabling the use of the map to capture user input, while folium is meant for displaying static data only ([source](https://blog.jupyter.org/interactive-gis-in-jupyter-with-ipyleaflet-52f9657fa7a)). Note that [Google Colab](https://colab.research.google.com/) currently does not support ipyleaflet ([source](https://github.com/googlecolab/colabtools/issues/60#issuecomment-596225619)). Therefore, if you are using geemap with Google Colab, you should use [`import geemap.eefolium`](https://github.com/giswqs/geemap/blob/master/geemap/eefolium.py). If you are using geemap with [binder](https://mybinder.org/) or a local Jupyter notebook server, you can use [`import geemap`](https://github.com/giswqs/geemap/blob/master/geemap/geemap.py), which provides more functionalities for capturing user input (e.g., mouse-clicking and moving)." | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"# Installs geemap package\n", | ||
"import subprocess\n", | ||
"\n", | ||
"try:\n", | ||
" import geemap\n", | ||
"except ImportError:\n", | ||
" print('geemap package not installed. Installing ...')\n", | ||
" subprocess.check_call([\"python\", '-m', 'pip', 'install', 'geemap'])\n", | ||
"\n", | ||
"# Checks whether this notebook is running on Google Colab\n", | ||
"try:\n", | ||
" import google.colab\n", | ||
" import geemap.eefolium as emap\n", | ||
"except:\n", | ||
" import geemap as emap\n", | ||
"\n", | ||
"# Authenticates and initializes Earth Engine\n", | ||
"import ee\n", | ||
"\n", | ||
"try:\n", | ||
" ee.Initialize()\n", | ||
"except Exception as e:\n", | ||
" ee.Authenticate()\n", | ||
" ee.Initialize() " | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Create an interactive map \n", | ||
"The default basemap is `Google Satellite`. [Additional basemaps](https://github.com/giswqs/geemap/blob/master/geemap/geemap.py#L13) can be added using the `Map.add_basemap()` function. " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"Map = emap.Map(center=[40,-100], zoom=4)\n", | ||
"Map.add_basemap('ROADMAP') # Add Google Map\n", | ||
"Map" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Add Earth Engine Python script " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"# Add Earth Engine dataset\n", | ||
"image = ee.Image('USGS/SRTMGL1_003')\n", | ||
"\n", | ||
"# Set visualization parameters.\n", | ||
"vis_params = {\n", | ||
" 'min': 0,\n", | ||
" 'max': 4000,\n", | ||
" 'palette': ['006633', 'E5FFCC', '662A00', 'D8D8D8', 'F5F5F5']}\n", | ||
"\n", | ||
"# Print the elevation of Mount Everest.\n", | ||
"xy = ee.Geometry.Point([86.9250, 27.9881])\n", | ||
"elev = image.sample(xy, 30).first().get('elevation').getInfo()\n", | ||
"print('Mount Everest elevation (m):', elev)\n", | ||
"\n", | ||
"# Add Earth Engine layers to Map\n", | ||
"Map.addLayer(image, vis_params, 'DEM')\n", | ||
"Map.addLayer(xy, {'color': 'red'}, 'Mount Everest')\n", | ||
"\n", | ||
"# Center the map based on an Earth Engine object or coordinates (longitude, latitude)\n", | ||
"# Map.centerObject(xy, 4)\n", | ||
"Map.setCenter(86.9250, 27.9881, 4)" | ||
] | ||
}, | ||
{ | ||
"cell_type": "markdown", | ||
"metadata": {}, | ||
"source": [ | ||
"## Display Earth Engine data layers " | ||
] | ||
}, | ||
{ | ||
"cell_type": "code", | ||
"execution_count": null, | ||
"metadata": {}, | ||
"outputs": [], | ||
"source": [ | ||
"Map.addLayerControl() # This line is not needed for ipyleaflet-based Map.\n", | ||
"Map" | ||
] | ||
} | ||
], | ||
"metadata": { | ||
"anaconda-cloud": {}, | ||
"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": "3.8.2" | ||
} | ||
}, | ||
"nbformat": 4, | ||
"nbformat_minor": 1 | ||
} |
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