this is news to me, thanks for pointing that out
i will play with it some more, but clearly this is a feature which is
more bells than whistles
it reminds me of something dvorak quipped in the recent PC mag:
two old ladies at a restaurant, one said 'this food is inedible' and the
other said 'yes and the portions are too small'
Dennis Saputelli
Dwight Harm wrote:
>
> In Mr. Doyle's example, the "AND" is not acting as a "logical" AND -- it's
> an OR, that is, the result is the addition (union) of the selections, not
> the intersection.
>
> HOWEVER, I then tried using the same "object type" in multiple selections,
> and in that case, it WAS a boolean AND. For example:
> select all component.footprint which are equal to 0603T AND
> select all component.x which are less than 3000
> resulted in ONLY those 0603T's which were also left of the 3-inch mark.
>
> Obviously(?), when using different object types, one wants the result
> additive, since the intersection would always be empty. But when using the
> same object types, it would be nice to have a choice between AND and OR. I
> was wrong -- it does do logical AND.
>
> So the only limitation is that it cannot do logical OR when the object types
> are the same.
>
> > -----Original Message-----
> > From: Linden Doyle
> > Sent: Wednesday, March 06, 2002 7:18 PM
> >
> > >
> > >IMHO it would be MUCH more useful if it offered true LOGICAL AND
> > >functions instead of the LOGICAL OR functions that it uses
> > >
> >
--
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