Things to consider when writing for touch screen?

Question

I\'m starting a new project which involves developing an interface for a machine that measures wedge and roundness of lenses and stores the information in a database and reports

Answer 1

If you decide to put in analog controls (scrollbars, rotation widgets, etc) be sure to put in a digital control also. Some companies think that a touch screen means perfect control over something with your fingers. In real life, this translates to minutes of frustration trying to fix a number that's just a little off.