Book Image

Interactive Visualization and Plotting with Julia

By : Diego Javier Zea
Book Image

Interactive Visualization and Plotting with Julia

By: Diego Javier Zea

Overview of this book

The Julia programming language offers a fresh perspective into the data visualization field. Interactive Visualization and Plotting with Julia begins by introducing the Julia language and the Plots package. The book then gives a quick overview of the Julia plotting ecosystem to help you choose the best library for your task. In particular, you will discover the many ways to create interactive visualizations with its packages. You’ll also leverage Pluto notebooks to gain interactivity and use them intensively through this book. You’ll find out how to create animations, a handy skill for communication and teaching. Then, the book shows how to solve data analysis problems using DataFrames and various plotting packages based on the grammar of graphics. Furthermore, you’ll discover how to create the most common statistical plots for data exploration. Also, you’ll learn to visualize geographically distributed data, graphs and networks, and biological data. Lastly, this book will go deeper into plot customizations with Plots, Makie, and Gadfly—focusing on the former—teaching you to create plot themes, arrange multiple plots into a single figure, and build new plot types. By the end of this Julia book, you’ll be able to create interactive and publication-quality static plots for data analysis and exploration tasks using Julia.
Table of Contents (19 chapters)
1
Section 1 – Getting Started
6
Section 2 – Advanced Plot Types
12
Section 3 – Mastering Plot Customization

Getting started with Javis

Javis is different from the previously mentioned options as it is not a plotting library like Plots or Makie. Javis only focuses on creating animations. It uses and re-exports objects from Luxor, a 2D drawing package based in Cairo. Here, we will quickly introduce the package by animating our rotation point. However, be aware that you can do much more with it. Let's learn how to create our animation with Pluto:

  1. Create a new Pluto notebook and execute using Javis in the first cell.
  2. Add a new cell and run the following code:
    function ground(args...)
        background("white")
        sethue("blue")
    end

The preceding code creates a function that will take the Video object, the object to animate, and the current frame. Javis will give those inputs to all user-defined functions, so it is common to use args... for their arguments. This function calls background to set the background color...