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axl API for Class to Class value overrides

Charlie Davies

Is there an axl API that can derive a spacing override value in a class to class relationship? 

Example: I have two net classes, A and B.  I have assigned a spacing constraint set to the class to class relationship between A and B.  I now choose to override the line to thru pin spacing on that relationship.  I know I can derive the default value from the spacing cset using axlCNSGetSpacing, but I need to get to that override value. Net level overrides are easy to root out via the properties.

 One method would be to export a dcf and parse it.  I'd like to avoid that if possible.

Any thoughts on the matter would be greatly appeciated.

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