Agile visualization with Pharo : crafting interactive visual support using Roassal / Alexandre Bergel.
Bergel, Alexandre, author.
2022
QA76.9.I52
Available Online

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Title Agile visualization with Pharo : crafting interactive visual support using Roassal / Alexandre Bergel.
Author Bergel, Alexandre, author.
ISBN 9781484271612 (electronic bk.)
1484271610 (electronic bk.)
1484271602
9781484271605
DOI https://doi.org/10.1007/978-1-4842-7161-2
Publication Details Berkeley, CA : Apress L. P., 2022.
Language English
Description 1 online resource (268 pages) : illustrations (black and white, and colour)
Item Number 10.1007/978-1-4842-7161-2 doi
Call Number QA76.9.I52
Dewey Decimal Classification 001.4226
Summary Use the Pharo interactive development environment to significantly reduce the cost of creating interactive visualizations. This book shows how Pharo leverages visualization development against traditional frameworks and toolkits. Agile Visualization with Pharo focuses on the Roassal visualization engine and first presents the basic and necessary tools to visualize data, including an introduction to the Pharo programming language. Once you've grasped the basics, you'll learn all about the development environment offered by Roassal. The book provides numerous ready-to-use examples. You'll work on several applications, including visualizing the training phase of reinforcement learning (a powerful machine learning algorithm) and generating software visualizations from GitHub. This book covers aspects that are relevant for engineers and academics to successfully design and implement interactive visualizations. What You Will Learn Implement agile data visualization using the Pharo programming language Chart, plot, and curve using Grapher Build and draw graphs using Mondrian Implement reinforcement learning (Q-Learning, from scratch) and use visualizations to monitor learning and state exploration Use GitHub Action to generate software visualizations (UML class diagram, test coverage) at each commit Who This Book Is For Programmers with some prior exposure to data visualization and computer vision who may be new to the Pharo programming language. This book is also for those with some Pharo experience looking to apply it to data visualization.
Note Description based upon print version of record.
Chaining Visualizations.
Includes index.
Access Note Access limited to authorized users.
Available in Other Form Agile Visualization with Pharo
Linked Resources Online Access
Record Appears in Online Resources > Ebooks
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Intro
Table of Contents
About the Author
About the Technical Reviewer
Chapter 1: Introduction
Agile Visualization
The Pharo Programming Language
The Roassal Visualization Engine
Roassal License
Contributing to the Development of Roassal
Accompanying Source Code
Want to Have a Chat?
Book Overview
Who Should Read This Book?
Acknowledgments
Chapter 2: Quick Start
Installation
First Visualization
Visualizing the Filesystem
Charting Data
Sunburst
Graph Rendering
What Have You Learned in This Chapter?

Chapter 3: Pharo in a Nutshell
Hello World
Visualizing Some Numbers
From Scripts to Object-Oriented Programming
Pillars of Object-Oriented Programming
Sending Messages
Creating Objects
Creating Classes
Creating Methods
Block Closures
Control Structures
Collections
Cascades
A Bit of Metaprogramming
What Have You Learned in This Chapter?
Chapter 4: Agile Visualization
Visualizing Classes as a Running Example
Example in the Pharo Environment
Closing Words
What Have You Learned in This Chapter?
Chapter 5: Overview of Roassal

Architecture of Roassal
Shapes
Canvas
Events
Interaction
Normalizer
Layouts
Inspector Integration
Animation
What Have You Learned in This Chapter?
Chapter 6: The Roassal Canvas
Opening, Resizing, and Closing a Canvas
Camera and Shapes
Virtual Space
Shape Order
Canvas Controller
Converting a Canvas to a Shape
Events
What Have You Learned in This Chapter?
Chapter 7: Shapes
Box
Circle and Ellipse
Label
Polygon
SVG Path
Common Features
Model
Line
Line Attach Point
Line Marker
Line with Control Points

What Have You Learned in This Chapter?
Chapter 8: Line Builder
Difficulties with Build Lines
Using a Line Builder
Using Associations
Graph Visualization
What Have You Learned in This Chapter?
Chapter 9: Shape Composition
Composite Shapes
Model Object in Composite
Labels Part of a Composition
Labeled Circles
What Have You Learned in This Chapter?
Chapter 10: Normalizing and Scaling Values
Normalizing Shape Size
The RSNormalizer Class
Combining Normalization
Normalizing Shape Position
Line Width
Scaling

What Have You Learned in This Chapter?
Chapter 11: Interactions
Useful Interactions
Using Any Shape in a Popup
RSLabeled
RSHighlightable
What Have You Learned in This Chapter?
Chapter 12: Layouts
Circle Layout
Grid Layout
Flow Layout
Rectangle Pack Layout
Line Layout
Tree Layout
Force-Based Layout
Conditional Layout
Graphviz Layouts
Installing Graphviz
Bridging Roassal and Graphviz
Graphviz Layout
What Have You Learned in This Chapter?
Chapter 13: Integration in the Inspector
Pharo Inspector
Visualizing a Collection of Numbers

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