[PCB_FORUM] Planes: Negative vs. Positive?

The design team I work with is split one which to use, negative or  positive 
planes.
What are the pros and cons of each? What do most people prefer to  work with?
We are currently using 15.5.1 but evaluating 16.x for possible future  
migration.
   
  Thanks for your feedback.
   
  Bob McCreight, C.I.D.

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