(version 1)

(rule "ViaToVia_SameNet"
  (condition "A.Type == 'via' && A.Net == B.Net")
  (constraint hole_to_hole (min 0.254mm))
  (constraint hole_clearance (min 0.254mm)))

(rule "ViaToTrack"
  (condition "A.Type == 'via' && B.Type == 'track'")
  (constraint hole_clearance (min 0.254mm)))

(rule "NpthToTrack"
  (condition "A.Type == 'hole' && !A.isPlated() && B.Type == 'track'")
  (constraint hole_clearance (min 0.254mm)))

(rule "PadToTrack"
  (condition "A.Type == 'pad' && B.Type == 'track'")
  (constraint clearance (min 0.2mm)))

(rule "PadToEdge"
  (condition "A.Type == 'pad' && !A.insideArea('PadsNearEdge*')")
  (constraint edge_clearance (min 0.6mm)))

(rule "SilkZoneOverPads"
  (condition "A.Type == 'zone' && A.existsOnLayer('*.Silkscreen') && B.existsOnLayer('*.Mask')")
  (constraint silk_clearance (min -0.1mm)))

(rule "HvUnderConformal"
  (condition "A.NetClass == 'HV' && A.insideArea('Conformal*')")
  (constraint clearance (min 0.4mm)))

(rule "TightWSON"
  (condition "A.insideCourtyard('U4') || A.insideCourtyard('CW*')")
  (constraint clearance (min 0.15mm)))