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ExtGWT Rich Internet Application Cookbook by Odili Charles Opute

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Chapter 9. Data Makeovers with Charts and Visualizations

In this chapter, we will cover the following points:

  • Using a bar chart
  • Using a pie chart
  • Using a line chart
  • Using an area chart
  • Visualizing data from a component
  • Visualizing remote data
  • Drawing on a canvas

Introduction

A chart is a graphical representation of structured data using symbols such as bars (in a bar chart), lines (in a line chart) and slices (in a pie chart). Charts, as visualization tools, are used to ease comprehension of large structured data and effectively communicate the intrinsic connections and relationships between parts of the data.

Visualizations through still or animated imagery are a compelling way to communicate both abstract and concrete data in ways beyond the provisions ...

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