Couldn't find a picture of Hitters' facility, but here is Stiks, in the Milwaukee suburbs. Similar facility. 40 foot ceilings, full size infield. Not perfect for indoor games, especially for outfielders (!), but better than not being able to play, or playing outdoors in 39 degree weather.
Oh, OK. This is really cool but I thought when you said "can accommodate games inside", I thought you meant actual games.