deke.com posts about graph

Deke's Techniques 031: Splitting and Modifying 3D Meshes

This week, I show you how to take a basic 3D pie chart, split its meshes, color its slices, and otherwise make it a tangible slice of business-graphics reality.

Deke's Techniques 030: Creating a 3D Pie Chart

This week, I show you how to take some basic spreadsheet data, graph it in Illustrator, and extrude that graph in lustrous 3D detail in Photoshop CS5 Extended.

Photoshop Top 40, Feature #9: Levels

The Levels command, and its cohort the histogram, let you adjust luminance levels on a channel-by-channel basis. The upshot is that you can increase contrast, correct for color cast, and make a bad image good.