axlAirGap函数问题

gpxknk · 发表于 2011-12-9 13:59

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x

axlAirGap(
      o_item1DBID
      o_item2DBID
      [t_layer]/nil
      [s_full]
   )
==> l_airGapData/nil/(s_error l_airGapData/l_errorData)

测试代码格式：skill 'a= car(axlGetSelSet()),b= cadr(axlGetSelSet()),axlAirGap(a,b,"XX层面",t)'

就LINE到PIN的距离有问题，返回的结果不知为何总是 (INVALID nil)。

'INVALID
One or both elements are invalid. Data return format: (INVALID
nil). For distance between a pad and non-pad element, use the
element subclass, if the non pad element is on etch. If not, use
the t_layer which defaults to the active layer, if undeﬁned. If
non-etch and the pad are undeﬁned on the subclass, determine
the subclasses on which the pad is deﬁned and return those
layers (XXX). For distance between two pads, return gap based
upon the active etch subclass, if t_layer is nil. Otherwise use
t_layer to determine gap. If one or both pads do not exist on
that layer, there is an error.

第三个参数（层面），试过几个都不行，可能我理解有误，
谁帮我解答一下，谢谢！