Originally Posted by
gteacher
BTW ---
I like what you doing but you might want to take it a step further. In that, if you add or delete a porch, deck, bedroom, the analysis will automatically update without user intervention. Adding is easy, deletions require more programing because once added, globals remain in memory.
Consider adding a time stamp and automatically purging any deleted objects (not updated) so that your calcs need only add up objects of a defined type for the area analysis. Hash keys set to nil or removed automatically purge that object.