Mail Archives: geda-user/2012/10/31/19:51:51
John Doty:
> On Oct 29, 2012, at 2:53 PM, Dave McGuire wrote:
> > On 10/29/2012 04:38 PM, John Doty wrote:
...
[about pcb]
> >> To me, the conceptual mess remains. As I said, it's like driving
> >> through downtown Boston: it's all random special cases, no
> >> structure.
> > I dunno. The boards I make with it work just fine. Why do I never
> > run into these limitations, when I use PCB very frequently, while you, a
> > person who just said they don't lay out their own boards, see all of
> > these horrible problems?
>
> I can't grok all the magic properties of its peculiar set of
> abstractions. "Polygon" doesn't mean a geometric object and
> "elements" are not elementary.
> The idea that objects are composed of objects composed of objects, ... is missing.
...
This kind of recursion is missing from gschem also, or rather from
the sch/sym file formats.
You can get it - sort of - by special casing a symbol with a
source attribute.
///
The above kind of recursion would be nice to have, are people positive
to a discussion that would lead to an implementation of it ?
Hälsningar,
/Karl Hammar
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