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Geospatial Data Analytics on AWS

Geospatial Data Analytics on AWS

By : Scott Bateman, Janahan Gnanachandran, Jeff DeMuth
4.9 (11)
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Geospatial Data Analytics on AWS

Geospatial Data Analytics on AWS

4.9 (11)
By: Scott Bateman, Janahan Gnanachandran, Jeff DeMuth

Overview of this book

Managing geospatial data and building location-based applications in the cloud can be a daunting task. This comprehensive guide helps you overcome this challenge by presenting the concept of working with geospatial data in the cloud in an easy-to-understand way, along with teaching you how to design and build data lake architecture in AWS for geospatial data. You’ll begin by exploring the use of AWS databases like Redshift and Aurora PostgreSQL for storing and analyzing geospatial data. Next, you’ll leverage services such as DynamoDB and Athena, which offer powerful built-in geospatial functions for indexing and querying geospatial data. The book is filled with practical examples to illustrate the benefits of managing geospatial data in the cloud. As you advance, you’ll discover how to analyze and visualize data using Python and R, and utilize QuickSight to share derived insights. The concluding chapters explore the integration of commonly used platforms like Open Data on AWS, OpenStreetMap, and ArcGIS with AWS to enable you to optimize efficiency and provide a supportive community for continuous learning. By the end of this book, you’ll have the necessary tools and expertise to build and manage your own geospatial data lake on AWS, along with the knowledge needed to tackle geospatial data management challenges and make the most of AWS services.
Table of Contents (23 chapters)
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1
Part 1: Introduction to the Geospatial Data Ecosystem
4
Part 2: Geospatial Data Lakes using Modern Data Architecture
10
Part 3: Analyzing and Visualizing Geospatial Data in AWS
16
Part 4: Accessing Open Source and Commercial Platforms and Services

Architectural considerations

When working with raw datasets that have large amounts of data, performance can be slower than desired as some basic queries can take 30 seconds or longer. A simple tactic for speeding up performance is to simply create an Athena table from the query results. You can limit your query to a bounding box of latitude and longitude values to refine the results further:

CREATE TABLE "skilifts-wasatch" AS
SELECT * FROM skilifts_vw
WHERE lat between 40 and 41
    AND lon between -112 and -111

This will capture a snapshot of the data from the view within the specified bounding box for fast querying. Any table that is created using this method should be managed and refreshed at the appropriate intervals. Using this approach can result in stale tables if not organized effectively. Despite the cautions, using this technique to search for a specific ski lift speeds up the query from around 20 seconds to well under a second.

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