Blend level scale query

[Richard Gaskin]

David Glasgow wrote:

 > What if I stripped away the query with respect to units etc.,
 > and just asked if a given blendlevel can be relied upon to
 > reveal (or hide) to the same extent on different machines
 > OS (assuming blendlevel support)

I recently used blendLevel for that purpose in a presentation I moved 
around from between Mac, Win, and Ubuntu while I was working on it, and 
it seemed to work well on all three (much more satisfying than the 
built-in dissolve, IMO).

--
  Richard Gaskin
  Fourth World
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