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Re: gEDA-dev: netlist route styles
On Tue, 03 Jun 2008 08:41:09 -0600, John Doty wrote:
>> stderr / stdout warning that there might be out-dated footprints for
>> certain files.
>
> Unacceptable. In a large project, such warnings are lost in the spew.
Those, who actually work on large projects will easily adapt and look for
these warnings, if they prove to contain critical information. grep and
awk are no rocket science.
> When I change a symbol to fix a pin assignment, part number, footprint,
> underlying hierarchical schematic, etc., I expect that change to
> propagate.
I don't -- at least not automatically and by default. This kind of change
all too easily breaks existing schematics or layouts. Because of this, I
prefer an update of symbols or footprints only if I explicitly choose
so.
> With symbol collections customized for the project, it's easy to move
> schematics from project to project (especially if you turn off automatic
> promotion of device and footprint attributes). So, low_noise_npn.sym
> represents BCX70K in an SOT23 in one project, 2N930JANTXV in a can in
> another.
IMHO the risk of unwanted side effects of this approach, will more than
compensate for the advantage. Such systematic changes should better be
applied by little search-and-replace scripts.
---<(kaimartin)>---
--
Kai-Martin Knaak tel: +49-511-762-2895
Universität Hannover, Inst. für Quantenoptik fax: +49-511-762-2211
Welfengarten 1, 30167 Hannover http://www.iqo.uni-hannover.de
GPG key: http://pgp.mit.edu:11371/pks/lookup?search=Knaak+kmk&op=get
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