The threshold and sharpness fields in the compound windows are solely dependent on the local transition function, and need to take the global function into account as well.
Does the global transition trump the individual transitions (i.e. if the global is set, the local is ignored)? What is the relationship between the two?
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Their use cases are disjoint. The legacy CM3 calculation uses the global transition function and the new algorithm uses the individual ones. The enabled status of the thresh and sharp fields should correspond to the most complex of the two, with NONE being the simplest and ATAN being the most complex. NONE needs neither of the fields, LINEAR needs only a threshold, and ATAN uses both the threshold and sharpness.
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Does the global transition trump the individual transitions (i.e. if the global is set, the local is ignored)? What is the relationship between the two?
Their use cases are disjoint. The legacy CM3 calculation uses the global transition function and the new algorithm uses the individual ones. The enabled status of the thresh and sharp fields should correspond to the most complex of the two, with NONE being the simplest and ATAN being the most complex. NONE needs neither of the fields, LINEAR needs only a threshold, and ATAN uses both the threshold and sharpness.