Determining that a plurality of spatial light modulator (SLM) pixels
includes one or more first regions of SLM pixels that satisfy an
acceptable defective SLM pixel policy, and one or more second regions of
SLM pixels that fail the policy, is disclosed. Utilizing the first
regions of SLM pixels within a projection system that has a first
resolution that is less than a second resolution that would have been
provided by utilizing both the first regions of SLM pixels and the second
regions of SLM pixels is also disclosed.