April 2018
Beginner to intermediate
440 pages
11h 36m
English
Content preview from Mastering Geospatial Analysis with Python
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Mapping queries
In Chapter 3, Introduction to Geospatial Databases, you queried the database and got text back. The geometry came back as well-known text (WKT). These are the results we asked for, but I cannot visualize geographic data by reading a list of coordinates. I need to see it on a map. In this section, you will use ipyleaflet and Jupyter to map the results of your queries.
To map the queries in Jupyter, you need to install ipyleaflet. You can do this using pip at your OS's command prompt:
pip install ipyleaflet
Then you may need to enable the extension, depending on your environment. At the command prompt, type:
jupyter nbextension enable --py --sys-prefix ipyleaflet
For the code, and examples of using ipyleaflet, you can view the ...
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