Water Emitters in Build Mode

I absolutely agree with this @JonaO703 it would be so useful. I usually create lots before I add Sims and when I saw your incredible waterfall recently I wanted to try it out myself as I've had no success with it before. So I made a small waterfall/rockery with a little pond and it took a few attempts to get the right water emitters for the effect I wanted. But to test an uninhabited lot I actually had to visit it with another household to see it in action. I originally chose water emitters that went straight up when I really wanted a more natural even flow of water. But I couldn't see I'd initially picked the wrong ones for that as I couldn't see it in build mode.