Geographical Data Visualization in Jupyter Notebook (ipyleaflet Tutorial Starts from 11'45")




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1. Anaconda Python Download and Installation Guide
https://drive.google.com/open?id=0Bz9Gf6y-6XtTc0xXNUtLMXdXQTA

2. ipyleaflet Installation and Enabling Commands in Jupyter
!pip install ipyleaflet
!jupyter nbextension enable –py –sys-prefix ipyleaflet

3. Latitude and Longitude Coordinates of Major Cities in the U.S.
City Latitude Longitude
Atlanta 33.7490,-84.3880
Austin 30.2672,-97.7431
Boston 42.3601,-71.0589
Chicago 41.8781,-87.6298
Dallas 32.7766, -96.7969
Houston 29.7640,-95.3698
Los Angeles 34.0522,-118.2437
Miami 25.7617,-80.1918
New York City 40.7306,-73.935242
San Antonio 29.4241,-98.4936
San Francisco 37.7749, -112.4194
Washington D.C. 38.9072,-77.0369

4. You could meet the following error when running ipyleaflet
Could not create model:
Model name LeafletMapModel
Model module jupyter-leaflet
Model module version *
Script error for “jupyter-leaflet” http://requirejs.org/docs/errors.html#scripterror

Solution 1:
Keep the script page with errors open, and then create a new script page. Write your map drawing commands in the new page.

Solution 2:
In the page with error, type in the following script in one script cell:
!jupyter nbextension enable –py –sys-prefix ipyleaflet

Then, create a new script cell, and create a trial map:
Map(center=[32.7766, -96.7969], zoom=10)

Note that the Map function must be typed in a separate script cell. If you still see the error, keep the page with error open, and then create a new notebook script page to code.

Source


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