How to check the clearance between Text to traces/pads/vias or between different copper elements?

Version 1

    If you wondered about checking Text to Traces, Pads or Vias this TechNote is for you: TechNote MG590103

    http://supportnet.mentor.com/portal?do=reference.technote&id=MG590103&lang=en&prod=C107-S114-G192-P10287