Category Archives: Line Chart

Visualizing with SVG before D3: Timeseries

News headlines about the GameStop price swings this week reminded me of some old SVG visualizations of stock bubbles and crashes that I’ve done. SVG was around before D3. I generated SVG visualizations in the mid-2000’s well before D3.js. It … Continue reading

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The transformation of Isotype

Over on EagerEyes, Robert Kosara recently asked, what happened to ISOTYPE? It’s a good question, with a multi-faceted answer. Here’s a few facets, mostly focused on inherent limitations of the Isotype design approach: 1. What’s an Isotype line chart? Isotype … Continue reading

Posted in bar chart, Data Visualization, Isotype, Line Chart, Pie Chart | Tagged , , | Leave a comment

Designing a Book Cover (or the long history of text on paths)

Note: I will be speaking at the Data Visualization Society (DVS) Fireside Chat on Typography for Data Visualization on Wednesday June 24th. After two years, my book Visualizing with Text is getting close to publication. Finally, it is time to … Continue reading

Posted in Data Visualization, Line Chart, Microtext, Text Visualization | Tagged , , , , | 1 Comment

Microtext Line Charts: Sample Code

I’ve presented Microtext Line Charts a number of times. There is a lot of interest and a lot of questions. Questions are generally two flavors. How do you implement this? What happens if: there are more data points in the … Continue reading

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50 categoric colors, inspired by telephone wires

Using colors to represent different categories of data is challenging to scale past ten unique colors. Many authors and researchers recommend against it. Colobrewer2 doesn’t go┬ápast 12 unique colors. D3.js offers three variants of color scales with 20 unique colors. … Continue reading

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Microtext Line Charts

Sometimes a line chart needs to display a lot of lines. Instead of splitting into a grid of charts, consider replacing the lines with text. Continue reading

Posted in Alphanumeric Chart, Data Visualization, Line Chart, Microtext | Tagged | 3 Comments