what kind of math is used for the span/center controls?
You need a Span/Center processor that generates the Upper/Lower thresholds.
Upper Threshold = Center + (Span / 2)
Lower Threshold = Center - (Span / 2)
what kind of math is used for the span/center controls?
You need a Span/Center processor that generates the Upper/Lower thresholds.
Upper Threshold = Center + (Span / 2)
Lower Threshold = Center - (Span / 2)