Take a look at this video with BattleField 3 on curved screen with the function Anti Stretching to make single big view on curved screen look correct:
http://www.youtube.com/watch?v=gcriNiee0xk
Here you can see the worlds first simulator with two rows with three projectors warped and edge blended from a single ATI card with six outputs with the only software, Warpalizer, that can do warping and edge blending on any number of rows and columns of projectors from a single PC.
http://www ...