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  • Book Overview & Buying ActionScript Graphing Cookbook
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ActionScript Graphing Cookbook

ActionScript Graphing Cookbook

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ActionScript Graphing Cookbook

ActionScript Graphing Cookbook

5 (1)
Buy this Book

Overview of this book

"A picture is worth a thousand words" has never been more true than when representing large sets of data. Bar charts, heat maps, cartograms, and many more have become important tools in applications and presentations to quickly give insight into complicated issues.The "ActionScript Graphing Cookbook" shows you how to add your own charts to any ActionScript program. The recipes give step-by-step instructions on how to process the input data, how to create various types of charts and how to make them interactive for even more user engagement.Starting with basic ActionScript knowledge, you will learn how to develop many different types of charts.First learn how to import your data, from Excel, web services and more. Next process the data and make it ready for graphical display. Pick one of the many graph options available as the book guides you through ActionScript's drawing functions. And when you're ready for it, branch out into 3D display.The recipes in the "ActionScript Graphing Cookbook" will gradually introduce you into the world of visualization.
Table of Contents (17 chapters)
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ActionScript Graphing Cookbook
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ActionScript Graphing Cookbook
Credits
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Credits
About the Authors
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About the Authors
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Getting Started with Graph Drawing
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Getting Started with Graph Drawing
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Introduction
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Drawing in two dimensions
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Building point charts
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Creating a line graph based on a function
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Adding labels and axes
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Graphing a spreadsheet
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Area charts
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Multiple area charts
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Styling a graph
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Adding legends
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Using Flex for charts
2
Working with Data
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Working with Data
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Introduction
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Preparing your data
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Embedding CSV files
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Loading a data file from the Internet
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Loading a file from the local hard drive
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Loading data with XML
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Loading data from Excel files
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Consuming the REST services
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Exporting data as CSV to import in Excel
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Exporting data to a PDF file
3
Creating Bar Charts
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Creating Bar Charts
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Introduction
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Drawing a bar chart with Flex
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Building vertical bar charts
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Creating comparison bar charts
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Drawing histograms
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Creating sparklines to enrich text content
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Making 3D bar charts
4
Drawing Different Types of Graphs
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Drawing Different Types of Graphs
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Introduction
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Drawing a pie chart with Flex
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Creating donut charts
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Drawing meters and gauges
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Making Venn diagrams
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Building pyramid charts
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Drawing bubble charts
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Creating tag clouds
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Creating a treemap
5
Adding Interaction
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Adding Interaction
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Introduction
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Zooming and panning around a graph
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Sending data updates to the graph
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Making the points interactive: Hovering
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Selecting data points in the graph
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A dynamic graph based on an editable table
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Dragging data points to new values
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Linking graphs
6
Mapping Geographical and Spatial Data
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Mapping Geographical and Spatial Data
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Introduction
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Showing a map using the openscales.org API
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Adding points of interest to a map
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Parsing data to use as region fill
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Coloring a map
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Adding multiple layers to a map
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Overlaying a heat map
7
Animating a Graph
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Animating a Graph
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Introduction
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Animating between two data sets
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Animating a meter
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Automatic updates
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Zooming in on a specific data set
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Animating subway locations
8
Creating a Relational Network
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Creating a Relational Network
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Introduction
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Preparing the data
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Creating the visual for a node
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Arranging and linking the nodes
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Navigating through the relational network
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Animating the transitions
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Adding sounds
9
Creating Three-Dimensional Graphs
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Creating Three-Dimensional Graphs
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Introduction
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Drawing in 3D: a 3D starter project
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Creating a 3D column chart
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Moving around the chart
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Beyond the cube, drawing different shapes
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Graphing tabular data in 3D
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Styling the graph with different materials
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Graphing a function in three dimensions
10
Working with Various 3D Graph Types
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Working with Various 3D Graph Types
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Introduction
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Mapping keyboard usage in 3D, part 1: The model
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Mapping keyboard usage in 3D, part 2: The data
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3D world population chart, part 1: The globe
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3D world population chart, part 2: Dressing up
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3D world population chart, part 3: The data
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Index
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Index

Loading data with XML

In this recipe, we'll rewrite the embedded recipe so it can read XML files. ActionScript 3.0 has very thorough support for the XML format, so you may notice that this recipe is the easiest one of the entire chapter.

Because so much data, these days, is transmitted in XML or variants such as RSS, it may also prove to be the most useful.

Getting ready

Create a Recipe4 document class and have it extend Sprite. Set up the Graph class as in the previous recipes:

package
{
    import flash.display.Sprite;
    public class Recipe4 extends Sprite
    {
        private var graph:Graph;

        public function Recipe4() 
        {
           graph = new Graph( -50, 550, 750, -50);
           addChild(graph);
           graph.drawHorizontalAxis(0, 0, 700, 50, ["0", "700"]);
           graph.drawVerticalAxis(0, 0, 500, 50, ["0", "250", "500"]);

        }

    }

}

How to do it...

  1. Embed the XML file and associate a class with it. If you use FlashDevelop's Generate Embed Code option...

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ActionScript Graphing Cookbook
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