Book Image

Mastering Tableau 2023 - Fourth Edition

By : Marleen Meier
Book Image

Mastering Tableau 2023 - Fourth Edition

By: Marleen Meier

Overview of this book

This edition of the bestselling Tableau guide will teach you how to leverage Tableau's newest features and offerings in various paradigms of the BI domain. Updated with fresh topics, including the newest features in Tableau Server, Prep, and Desktop, as well as up-to-date examples, this book will take you from mastering essential Tableau concepts to advance functionalities. A chapter on data governance has also been added. Throughout this book, you'll learn how to use Tableau Hyper files and Prep Builder to easily perform data preparation and handling, as well as complex joins, spatial joins, unions, and data blending tasks using practical examples. You'll also get to grips with executing data densification and explore other expert-level examples to help you with calculations, mapping, and visual design using Tableau extensions. Later chapters will teach you all about improving dashboard performance, connecting to Tableau Server, and understanding data visualization with examples. Finally, you'll cover advanced use cases, such as self-service analysis, time series analysis, geo-spatial analysis, and how to connect Tableau to Python and R to implement programming functionalities within Tableau. By the end of this book, you'll have mastered Tableau 2023 and be able to tackle common and advanced challenges in the BI domain.
Table of Contents (19 chapters)
17
Other Books You May Enjoy
18
Index

Extending Tableau mapping with other technology

Next, we will consider how to extend Tableau’s mapping capabilities with other tools. Tableau’s developers were careful to create a mapping interface that is readily extensible. Some areas of this extensibility, such as connecting to a Web Map Service (WMS) server, are available directly from the interface; we’ll explore that next.

Using custom maps with a WMS

The easiest way to bring a custom map into Tableau is directly from Desktop. We need a properly formatted URL that points to a WMS server. Tableau Desktop can connect to any WMS server that supports the WMS 1.0.0, 1.1.0, or 1.1.1 standards.

A good place to find a list of such URLs is http://directory.spatineo.com, which provides information on a ton of different mapping services.

The following exercise was inspired by Jeffrey A. Shaffer’s article Building weather radar in Tableau in under 1 minute, which can be accessed here...