Although I'm not sure how it would work, it occurred to me that it would be nice if the software could include the ability to generate a user defined altitude path that would start the VST tool to ensure our altitudes would be above or below airspaces.
For example if our path took us within 10 miles or so of a CBAirport, we could choose to have the altitude path project a climb, or descent profile if we chose to avoid entering the airspace.