Chuck Grimmett

How I'm relearning D3.js.

Emmet is a tool that expands your HTML and CSS workflow.

Notes from the D3js.org Introduction and Thinking With Joins

Learning D3 by playing with circles

This tutorial is a way to apply what I learned about data joins, click events, and selections in D3.js. Along the way I learned about building arrays.

Here I learn the basics of making a pie chart with D3.js

We love going to national parks in the spring. The weather is cool, the parks aren't crowded, and the waterfalls are spectacular due to snowmelt. Here is a small collection of photos I shot in Yosemite at the end of March 2016.

This tutorial builds on previous work and updates a pie chart in realtime.

This tutorial shows how to make smooth transitions in a pie chart using d3.interpolate.

How to compare data columns of data from different sheets in Excel.