The difference you're seeing is likely due to the height of the stack including its titlebar versus the height of the card region only of the stack.
You might try seeing the entries in the dictionary for localLoc and globalLoc, used for converting global positions to local, and vice versa. Regards, Scott Rossi Creative Director Tactile Media, UX/UI Design On Jan 17, 2015, at 3:58 PM, Dr. Hawkins <doch...@gmail.com> wrote: > I'm trying to figure out screen math to set the top of a helper stack to > the top of a field, and the like. > > The math doesn't seem to make sense. > > It would *seem* to me that > the top of this stack + the top of me > > should give the top of the field in screen coordinates. > > But it doesn't > > So I tried effective rect and the like. > > How can the effective top of a stack be *smaller* than the stack itself > (higher on the screen). Shouldn't it be greater due to the window > handle/bar, whatever that is? > > -- > Dr. Richard E. Hawkins, Esq. > (702) 508-8462 > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode