I've already made such a forced view on camera, as bugged and trashy as it was.
The idea with the unit is cool, but I already kinda knew this.
I'm not sure you both understand. Let's say that:
-I make a large map (128x128)
-I create a small piece of the map (12x12) to be only for hero selection. However I know players would love to stroll through the map before picking heroes which is what I want to prevent. How to get them stuck to that one (12x12) place until they picked a hero? I've seen this in maps, you play on a large map but when you try to go with your mouse left right top down it shows the arrow icon when the end of the screen is reached, however this is only for the selected screen.