Projector Ambient Light Calculator
This calculator estimates the maximum room light a projected image can survive while staying readable. It spreads the projector output over the screen area and compares it against the ambient light, returning the ceiling, in lux, measured at the screen surface. Enter the projector output and the screen width and height. Keep room light below the result at the screen, or step up to a brighter projector.
This runs on the same engine as the agents
On the calculator the math stands alone. Inside Avria it runs across a whole room, cites the clause behind every call, and lands in a build-ready BOM.
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