How to convert rectangular shape into circular shape ?

Imagine that you have a circle ,if you cut it from one radius then theoretically you can make that shape into a rectangular shape and vice versa
now this is present in photoshop like done here in this tutorial
http://www.scrappersguide.com/tips_ps/polar-to-rectangular-ps/
Is there anyway that this can be done by SolidWorks or even AutoCad ??