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Learning D3.js Mapping

Learning D3.js Mapping

By : Newton, Oscar Villarreal
4.3 (7)
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Learning D3.js Mapping

Learning D3.js Mapping

4.3 (7)
By: Newton, Oscar Villarreal

Overview of this book

If you are interested in creating maps for the web GIS data, this book is for you. Familiarity with D3.js will be helpful but is not necessary.
Table of Contents (9 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Gather Your Cartographer's Toolbox
1. Gather Your Cartographer's Toolbox
Quick bootstrap
Step-by-step bootstrap
Optimizing geographic data files with TopoJSON
Using the web browser as a development tool
Summary
2
2. Creating Images from Simple Text
2. Creating Images from Simple Text
Introduction – general knowledge
Positioning elements
Line
Rectangle
Circle
Polygon
Path
Transform
Grouping
Text
Summary
3
3. Producing Graphics from Data – the Foundations of D3
3. Producing Graphics from Data – the Foundations of D3
Creating basic SVG elements
Enter
Update
Exit
AJAX
Summary
4
4. Creating a Map
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4. Creating a Map
Foundation – creating your basic map
Experiment 1 – adjusting the bounding box
Experiment 2 – creating choropleths
Experiment 3 – adding click events to our visualization
Experiment 4 – using updates and transitions to enhance our visualization
Experiment 5 – adding points of interest
Experiment 6 – adding visualizations as a point of interest
Summary
5
5. Click-click Boom! Applying Interactivity to Your Map
5. Click-click Boom! Applying Interactivity to Your Map
Events and how they occur
Experiment 1 – hover events
Experiment 2 – tooltips with visualizations
Experiment 3 – panning and zooming
Experiment 4 – orthographic projections
Experiment 5 – rotating orthographic projections
Experiment 6 – dragging orthographic projections
Summary
6
6. Finding and Working with Geographic Data
6. Finding and Working with Geographic Data
GeoData file types
Summary
7
7. Testing
7. Testing
Code organization and reusable assets
Project structure
Writing testable code
Unit testing
Creating resilient visualization code
Summary
8
Index
Index

Chapter 4. Creating a Map

It's been quite a ride so far. We've gone through all the different aspects that encompass the creation of a map. We've touched on the basics of SVG, JavaScript, and D3. Now, it's time to put all the pieces together and actually have a final deliverable product. In this chapter, we will cover the following topics through a series of experiments:

  • Foundation – creating your basic map
  • Experiment 1 – adjusting the bounding box
  • Experiment 2 – creating choropleths
  • Experiment 3 – adding click events to our visualization
  • Experiment 4 – using updates and transitions to enhance our visualization
  • Experiment 5 – adding points of interest
  • Experiment 6 – adding visualizations as a point of interest
End of Section 1
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