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Apache Superset Quick Start Guide

You're reading from   Apache Superset Quick Start Guide Develop interactive visualizations by creating user-friendly dashboards

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Product type Paperback
Published in Dec 2018
Publisher
ISBN-13 9781788992244
Length 188 pages
Edition 1st Edition
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Author (1):
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Shashank Shekhar Shashank Shekhar
Author Profile Icon Shashank Shekhar
Shashank Shekhar
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with Data Exploration 2. Configuring Superset and Using SQL Lab FREE CHAPTER 3. User Authentication and Permissions 4. Visualizing Data in a Column 5. Comparing Feature Values 6. Drawing Connections between Entity Columns 7. Mapping Data That Has Location Information 8. Building Dashboards 9. Other Books You May Enjoy

Path

Routes are often found in location datasets to represent road or rail networks. We can plot those types of datasets using the Path visualization option. After uploading the rail routes dataset, either by downloading from the GitHub directory or creating it using the Jupyter Notebook, open it for visualization purposes:

CSV to Database configuration

If you take a look at the Jupyter Notebook, you will find that we create a feature named Polyline. It uses geometry information given in the file. Polylines are an encoded representation of latitudes and longitudes, as follows:

Encoded representation of latitudes and longitudes

The dataset represents rail routes over which crude oil is transported. It might be helpful to locate it on map tiles made of satellite imagery, because we can then see terrain information pertaining to the rail routes.

The bearing value in the Viewport...

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