Re: gEDA-user: cygwin geda tools

2011-09-13 Thread John Doty
of the scripts there use AWK. Some design flows use Make. gEDA can export netlist data to many tools, but of course you'd need the tool in question to actually use this capability. gEDA is *not* a self-contained system. Hurray for that! John Doty Noqsi Aerospace, Ltd. http://ww

Re: gEDA-user: cygwin geda tools

2011-09-13 Thread John Doty
th demands for *anything*, but we > do recognize the need for windows support and we *are* working on it. I don't see that as a developer responsibility, but I'm all for it, especially if you guys can sustain it. The problem with past Windows binaries is that they've been one

Re: gEDA-user: cygwin geda tools

2011-09-13 Thread John Doty
kage maintainers (real heroes!) who do the work of ferreting out incompatibilities and creating the binaries. That kind of community effort has not taken hold in the Windows world. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: Speaker SPICE modeling with gschem and ng-spice/gnucap

2011-09-12 Thread John Doty
provide some hints, examples or links? Shouldn't be too hard. ngspice seems to have no limit to the length of a PWL spec. Put the audio in some simple form (like raw binary samples), write a tiny program to convert to PWL. Generate output with .PRINT, write another tiny program to convert to bin

Re: gEDA-user: plugins (was: How can you help...)

2011-09-12 Thread John Doty
rson did when he created his great tutorial, even though he was an insider. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/

Re: gEDA-user: reasons for wikibook (was: plugins)

2011-09-12 Thread John Doty
evel of toolkit use, I don't think so. The developers appear to to be focused on a small subset of gEDA's broad application space. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing lis

Re: gEDA-user: why some skip KiCAD and gEDA

2011-09-11 Thread John Doty
ttracted me to gEDA nine years ago was its concise documentation (at that time). I hate time-wasting complexity. The original concise documentation is still there, but it's lost in the fog. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___

Re: gEDA-user: Wire-only Symbols - Netlist problems

2011-09-10 Thread John Doty
ectronic substitute for a drafting board. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: accel keys

2011-09-09 Thread John Doty
acs, netbooks, ...) the Fn keys require an unusual shift key to be pressed. That would be particularly inconvenient for functions like "start drawing a net", that initiate graphical operations. "n" is very nice in that case: I

Re: gEDA-user: Electromagnetic bike

2011-09-09 Thread John Doty
: a detailed model of the field configuration is needed if you need to be more quantitative. The same physics leads to the concept of "skin depth". John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user m

Re: gEDA-user: Electromagnetic bike

2011-09-08 Thread John Doty
urrent brake? http://en.wikipedia.org/wiki/Eddy_current_brake John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: devices with different slots? How?

2011-09-06 Thread John Doty
ent slots. Slots are for when the modules are identical, and you want gEDA to assign the pins for you based on the slot number. That's not what you want here. > What am I > missing? Symbols with the same refdes represent parts of the same physical component. So all you need t

Re: gEDA-user: Fwd: Re: [OH Updates] Degrees of open-ness in EDA (and CAD in general)

2011-09-05 Thread John Doty
ints, specialized processing scripts, etc. > Handles making hierarchic > schematics so elements can be repeated by schematic page instances placed > once. This also facilitates reuse of parts of old schematics in new designs. John Doty Noqsi Aerospace, Ltd. http://www.noq

Re: gEDA-user: Strange user interface behavior with gschem-1.6.2.20110115

2011-09-05 Thread John Doty
eactivate it, you can put the line: (magnetic-net-mode "disabled") in your project's gschemrc or in ~/.gEDA/gschemrc. Posted to all contributors to this thread due to immoderate behavior by the "moderators". John Doty Noqsi Aerospace, Ltd. http://www.noqsi.c

Re: gEDA-user: Fwd: Re: [OH Updates] How can you help solve the proprietary tool problem?

2011-09-05 Thread John Doty
able "feature" in thousands of pages of documentation. gEDA's unique in that respect. Another unique capability is the way it plays nicely with foreign tools, at multiple levels. Hurray for gEDA! John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com _

Re: gEDA-user: gedasymbols.org down?

2011-08-30 Thread John Doty
On Aug 29, 2011, at 8:56 AM, Kai-Martin Knaak wrote: > Seems like I can't ping to gedasymbols.org since last night. Is the server > located in an area affected by the Irene storm? Yes. New Hampshire. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j..

Re: gEDA-user: gschem vs. PCB diode pin numbering

2011-08-27 Thread John Doty
pin numbers didn't agree between the two packages. Yep. I recently got bit by this with the LT1078 opamp (different pinouts in DIP8 and SO8). John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user maili

Re: gEDA-user: Foss-pcb Proposed plan from CERN

2011-08-26 Thread John Doty
schematic capture tools to get to simulation. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: slotting question

2011-08-26 Thread John Doty
On Aug 26, 2011, at 12:28 AM, Dave McGuire wrote: > On 08/23/2011 11:20 PM, John Doty wrote: >>> This seems like a pretty serious issue; can anyone shed a little light on >>> it? >> >> Absolutely mysterious. I've never seen behavior like this and I cannot

Re: gEDA-user: Foss-pcb Proposed plan from CERN

2011-08-25 Thread John Doty
vantage that it gets you to a well-defined destination efficiently. But if you want to go anywhere else in the future, it's trouble. Bottom-up design is more appropriate if you want unlimited horizons. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Foss-pcb Proposed plan from CERN

2011-08-24 Thread John Doty
olkit. Keep the tools separate. Keep the interfaces clean and simple. Maximize the rewards that those who can do a little scripting can earn. Let KiCad cover the integrated app space. It would be useful to be able to import KiCad schematics, so that when users are ready for the more powerful

Re: gEDA-user: slotting question

2011-08-24 Thread John Doty
rary. > > This seems like a pretty serious issue; can anyone shed a little light on it? Absolutely mysterious. I've never seen behavior like this and I cannot reproduce it using your procedure. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Creating bill of materials?

2011-08-23 Thread John Doty
similar roles. Sometimes I have strong pressures to keep the parts list short, so I'll choose general-purpose components and use them in multiple roles. Other times, I'm optimizing more. With project evolution and design reuse, these scenarios can become very entangled.

Re: gEDA-user: Creating bill of materials?

2011-08-19 Thread John Doty
a at gedasymbols.org, you'll find symbols for VLSI design and symbolic circuit analysis. Those won't work for pcb. But they're useful for their intended purposes. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: Automatically start wire placement when you press the hotkey?

2011-08-12 Thread John Doty
was really needed in a specific situation at the telescope. The crude, ugly Forth system proved more resilient: it let the observer compose what was really needed on the spot, so the observers continued to use it (to my dismay, because I didn't want to keep supporting it). John

Re: gEDA-user: Automatically start wire placement when you press the hotkey?

2011-08-12 Thread John Doty
hing" more often. But what the right thing is depends on personal style and institutional conventions. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://w

Re: gEDA-user: Tag-Connect TC2030-MCP(NL) footprint, expert review

2011-08-12 Thread John Doty
partslist back ends. How would you like it to work? John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Version compatibility between gschem and PCB

2011-08-11 Thread John Doty
t interface is thus very stable: changes would be difficult to coordinate. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Automatically start wire placement when you press the hotkey?

2011-08-11 Thread John Doty
sensible way, so I mostly find myself holding down control when using it, so I can add midpoints in the right places. The gschem UI is very efficient with its single key "switch modes *and* start an action" single-key accelerators. Please keep these intact. John Doty

Re: gEDA-user: Linux Desktop für gEDA

2011-08-07 Thread John Doty
e had at least figured out the nature of the mess they were in, and were able to take some steps toward fixing it, but they didn't have a truly solid foundation until MacOSX. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: Linux Desktop für gEDA

2011-08-05 Thread John Doty
chine of choice if I'm in the office. The totalitarian regularity of Mac applications is convenient for general desktop use, but not necessary. As Apple's hostility to users (as opposed to passive consumers) appears to be on the rise, it is likely that I will be phasing out the Mac in

Re: gEDA-user: Linux Desktop für gEDA

2011-08-05 Thread John Doty
tware design avoids such trivial special-case features. They just add to the fog. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Power relay question

2011-07-28 Thread John Doty
ometimes annoyingly expensive in one way or another. > > But of course, there are zillions of ways of doing it, it's up to the > designer to pick what's best for their needs. Agreed. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: Power relay question

2011-07-28 Thread John Doty
ould easily pay for the logic > chips, and you could add in some safety features and debouncing for > free. > > Then dump the relay and use a power MOSFET :-) Yep. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: Migration form eagle to gEDA

2011-07-26 Thread John Doty
having to adapt your job to the tool. Have a look at gedasymbols.org for a smorgasbord of user-contributed symbols, footprints, and tools. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user m

Re: gEDA-user: Design Nark

2011-07-19 Thread John Doty
ry conceivable use case? Surely, you are > joking. Well, of course when releasing such a thing you'd accompany it with default scripts for gschem and gnetlist that would reproduce current behavior. I certainly have no interest in breaking my existing projects. John Doty

Re: gEDA-user: Design Nark

2011-07-19 Thread John Doty
se are things that *cannot* be done correctly with a single approach for every case, so the flexibility offered by scripting is needed. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list ged

Re: gEDA-user: Design Nark

2011-07-19 Thread John Doty
On Jul 19, 2011, at 11:53 AM, Josh Jordan wrote: >We could spite them by implementing all of their features. Shudder. A powerful toolkit should not be copying features from consumer software. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.

Re: gEDA-user: pcb GL can't render stretched arcs

2011-07-14 Thread John Doty
serve angles, the operation of selecting an arc from an ellipse by angle does not commute with stretching. Thus, your example. This is closely related to math that confused the great genius Johannes Kepler for quite a while. We're still somewhat burdened by artifacts of his path to understan

Re: gEDA-user: pcb GL can't render stretched arcs

2011-07-14 Thread John Doty
On Jul 14, 2011, at 12:00 PM, DJ Delorie wrote: > Technically, what we have is *not* an ellipse - it's a stretched arc. ? The linear "stretching" transformation (x', y') = (a*x, b*y) applied to a circle yields an ellipse whose axes are parallel to the

Re: gEDA-user: verilog -> gschem

2011-07-08 Thread John Doty
required when you use net= attributes. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: verilog -> gschem

2011-07-08 Thread John Doty
; > This script generates a .sch file that contains connectivity data, but no > useful graphics. The input is a trivial TSV representation of a netlist. > > Given a parser for the input netlist format(s), the same approach could be > used to merge netl

Re: gEDA-user: verilog -> gschem

2011-07-08 Thread John Doty
rge netlists from other sources. Of course, the parser is the difficult part. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: gEDA file format - couple of questions on attributes.

2011-06-28 Thread John Doty
Actually, UTF-8 attributes (names and values) work fine with Guile 1.8-based gEDA. The clever design of UTF-8 makes code intended for ASCII "just work" so long as it doesn't need to pick wide characters out of a string. John Doty Noqsi Aerospace, Ltd. http

Re: gEDA-user: gschem saving symbols

2011-06-18 Thread John Doty
t the offset of the symbol within the schematic is stored (it's needed to generate the "C" record in the schematic file). Subtract that from the coordinates in the instance to make a proper sym file. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: HOWTO create symbols for manufacturers models

2011-06-13 Thread John Doty
> how to go about it. > I'd like to use the op-amp symbol in gschem and have gnetlist > include/refer to the spice model. Is there a tutorial/document that > describes the steps? http://www.brorson.com/gEDA/SPICE/intro.html John Doty Noqsi Aerospace, Lt

Re: gEDA-user: gnetlist backend

2011-06-11 Thread John Doty
nd then place that symbol in its own over-the-top schematic. That's good for simulation, too. Or, you can make component symbols representing pads. That's what I do: see http://www.gedasymbols.org/user/john_doty/symbols/openIP/02-pads.html John Doty Noqsi Aerospace, Ltd

Re: gEDA-user: gnetlist backend

2011-06-09 Thread John Doty
11/msg00399.html), but as far as I know they haven't made it to the official documentation. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Hierarchy help

2011-06-07 Thread John Doty
nect them explicitly between levels if that's required. Use (hierarchy-netname-mangle "disabled") and (hierarchy-uref-mangle "disabled") only if *every* subcircuit has distinct schematics. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: ‘symversion’ documentation update

2011-06-03 Thread John Doty
> specifying the general type of the symbol (e.g., “RS-485 TRANSCEIVER”), > and add value= as a visible attribute (for most types of symbols, such > as connectors and ICs) giving the specific device (e.g., “SP3075E”). There is no universal convention in gEDA practice for what the "devi

Re: gEDA-user: Two things ... or actually, three

2011-06-02 Thread John Doty
end *almost* works to list them, except that (gnetlist:get-all-package-attributes) doesn't actually get all package attributes, only one per symbol instance. gnet-list-net-pins.scm Description: Binary data John Doty Noqsi Aerospace, Ltd. http://www.noqsi.co

Re: gEDA-user: Fixing the attribute censorship bug

2011-06-02 Thread John Doty
On Jun 3, 2011, at 2:09 AM, Peter Brett wrote: > John Doty writes: > >> On Jun 1, 2011, at 7:58 PM, Peter Brett wrote: >> >>> John Doty writes: >>> >>>> On May 31, 2011, at 11:02 PM, Peter Brett wrote: >>> >>>>> T

Re: gEDA-user: Fixing the attribute censorship bug

2011-06-02 Thread John Doty
oose a light symbol ;-) Seriously, I don't think it's the responsibility of a tool to hide unnecessary complexity introduced at a lower level. It makes more sense to me to build up complex things from simple things, rather than the other way around. John Doty Noqsi Aerospa

Re: gEDA-user: Two things ... or actually, three

2011-06-02 Thread John Doty
On Jun 2, 2011, at 4:54 AM, Colin D Bennett wrote: > On Wed, 1 Jun 2011 11:41:13 +0900 > John Doty wrote: > >> >> On Jun 1, 2011, at 1:30 AM, Colin D Bennett wrote: >> >>> Power and ground connections are a critical part of the circuit >>> de

Re: gEDA-user: Fixing the attribute censorship bug

2011-06-02 Thread John Doty
On Jun 1, 2011, at 7:58 PM, Peter Brett wrote: > John Doty writes: > >> On May 31, 2011, at 11:02 PM, Peter Brett wrote: > >>> This script deliberately poisons the netlist. >> >> Exactly. This is consistent with other gnetlist behavior. If no >>

Re: gEDA-user: Two things ... or actually, three

2011-06-01 Thread John Doty
symbols.org/user/john_doty/tools/pins2gsch.html In production use at Noqsi Aerospace. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Two things ... or actually, three

2011-06-01 Thread John Doty
g them explicitly in the schematic could be considered distracting clutter. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: gnetlist

2011-06-01 Thread John Doty
ios. It results in a grab-bag of features without a foundation. > > I didn't expect *everything* to be read in *exactly*. I expect everything to be parsed into a data structure, from which the input could be reconstructed if necessary, but which is also suitable as input to processing func

Re: gEDA-user: gnetlist (was: Perl)

2011-06-01 Thread John Doty
mand line parsing is thoroughly encrusted with barnacles: it gets in the way more than it helps. The other stuff is scripted in Scheme, and it seems to me that it would be much cleaner and simpler if it wasn't dependent on the core C code. John Doty Noqsi Aerospace, Ltd. htt

Re: gEDA-user: Fixing the attribute censorship bug

2011-05-31 Thread John Doty
oaded. That would allow this redefinition to be specified in a configuration file, but performed at the right time. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: gnetlist

2011-05-30 Thread John Doty
representation as S-expressions. A list of objects, each potentially attached to a list of objects, ... John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: gnetlist (was: Perl)

2011-05-30 Thread John Doty
bother > with connectivity, but ask for additional attribute processing. Etc. > > This way, we can centralize a lot of the common tasks, without forcing > those decisions on the backends. Yes! Put plugins and back ends in control. OK, I think we now have a nice creative rivalry between S

Re: gEDA-user: Perl

2011-05-30 Thread John Doty
language advocates here is to prototype a fundamental API that reveals all, in a way convenient for higher level factors to exploit. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Perl

2011-05-27 Thread John Doty
ook: it's fundamental to this class of language. Composition. > > This feature, for exmaple, allows us to encode a complete gEDA project > (sch+pcb+whatever) in a single perl variable! No problem doing that in Python. Or even ECD BASIC in 1978. > > But as they s

gEDA-user: Python: Task list ...

2011-05-26 Thread John Doty
rs to do this in Python? John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Fixing the attribute censorship bug

2011-05-26 Thread John Doty
Based on feedback from Kai-Martin, here's an improved version: censor-fix.scm Description: Binary data On May 26, 2011, at 4:58 PM, John Doty wrote: > Folks, > > The "attribute censorship bug" is what I call the problem that given a refdes > that corresponds t

Re: gEDA-user: Task list for: Solving the light/heavy symbol problem

2011-05-26 Thread John Doty
[writer]->(schematics) However, it's written in Haskell. While that is certainly a "more modern language" than Scheme, I fear that if I were to advocate it to this group somebody would arrange a meeting for me with the Yakuza in a dark Tokyo alley ;-) > I'm a P

gEDA-user: Fixing the attribute censorship bug

2011-05-26 Thread John Doty
, so please report any problems. And, of course, you're welcome to change its behavior to suit your flow. It requires at least version 1.7.0. censor-fix.scm Description: Binary data John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: Task list for: Solving the light/heavy symbol problem

2011-05-26 Thread John Doty
f the slot assignments (because it can now see all of the slotdef attributes, not just the first one). The refactored code is present in 1.7.0. So I think I can continue to prototype in Scheme. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: Task list for: Solving the light/heavy symbol problem

2011-05-25 Thread John Doty
t;, it will be a very big job indeed. I don't think it can ever be done in a satisfactory way from that direction. Refactoring could also enable plug-ins to implement some other things I believe you'd like, such as electrically significant busses. John Doty

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
On May 24, 2011, at 10:30 PM, Peter Clifton wrote: > the fact that actions are made from > shell script fragments is somewhat irrelevant. I think it's highly relevant, because it means that anyone familiar with shell commands has a head start understanding what's goin

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
to work on their design, not > learn how to use our tools. Many of them don't even know a shell > window exists. They don't automate. There's a place for that. But what makes gED*A* *uniquely* powerful is its friendliness to automation. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
negative experience. I have no desire to descend into the Mines of Moria again. Who is brave enough? John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
e. Programmers are supposed to hide information regardless of its importance to the user these days, so they "fixed" IB to directly and invisibly create archived objects in a fully initialized state. The result was that what had been clear became mysterious, and you had to be much more

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
package in layout without having to change the schematics > first. What about packages with duplicate pins, e.g. both 2 and 4 are drain? John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
tty well with it. Of course, "make" is old-fashioned and rather crude. It's easy to create something prettier, but it's very hard to create something that works better. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: cvs.gedasymbols.org and gschem

2011-05-24 Thread John Doty
s. gEDA has a huge "dynamic range" in application scale, so there are going to be things that work well in some contexts but not in others. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
the organization sufficiently comprehensible that the script can be constructed to penetrate it without human help. This is exactly why GUI so commonly poisons scripting, because GUI is generally designed to facilitate human interaction, not avoid it. John Doty Noqsi Aerospace, Ltd. http://

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
d earlier, and I'm really glad I did: the folks on the other sides of the interfaces kept changing pin assignments, and a table is much easier to fix than a drawing. So, already, for me the schematics themselves don't completely define a design, at least in my "big project&q

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-24 Thread John Doty
having a manufacturer's part number in them, or some keyword > that says that it "is" ("purpose=bypass-cap" for example), with all > the other information added by gnetlist. I do believe we are in agreement. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-23 Thread John Doty
rio. Consider transition from breadboard to prototype to production. A top-level schematic might not change, even though attributes of parts might change (different packages, tighter specs, ...). In that case, the instance-specific data can't be in *any* schematic. John Doty Noqsi Aeros

Re: gEDA-user: cvs.gedasymbols.org and gschem

2011-05-23 Thread John Doty
Once embedded, they aren't instances of a common symbol any more. Common (heavy) symbols are useful as containers for common project-specific attributes. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-use

Re: gEDA-user: This morning's treat

2011-05-23 Thread John Doty
art. This work demonstrates that gEDA is much more capable than the impression you'd get there. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul

Re: gEDA-user: cvs.gedasymbols.org and gschem

2011-05-23 Thread John Doty
#x27;m all for moving everything possible out of the core. The scripter doesn't want to be blocked by unnecessary barriers. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@mo

Re: gEDA-user: Solving the light/heavy symbol problem

2011-05-23 Thread John Doty
guess would be even more of a barrier than Scheme. It is, however, in production use at Noqsi and Osaka, creating flattened schematics for documentation. Consider it "proof of concept" for an annotation tool. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

gEDA-user: This morning's treat

2011-05-22 Thread John Doty
six years, now, and it's wonderful to see it all built and plugged together. So, thank you to all who made this possible. It's a beautiful morning. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ ge

Re: gEDA-user: An opportunity to fix the symbol library

2011-05-22 Thread John Doty
knaak/symbols") ^ Should be: (component-library-search "/home/kmk/geda/gedasymbols/www/user/kai_martin_knaak/symbols") John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user

Re: gEDA-user: Meta (was: Reinventing the wheel)

2011-05-22 Thread John Doty
enty of times in the past, but it bears repeating - > we want the common uses to be easy, and the uncommon uses to be > possible. Easy is a personal judgement. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com __

Re: gEDA-user: An opportunity to fix the symbol library

2011-05-22 Thread John Doty
years in my gafrc files. "Components" is a directory containing directories of symbols. I can't remember where I learned about this. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mai

Re: gEDA-user: Reinventing the wheel

2011-05-19 Thread John Doty
livered. The libs should not suggest > completeness where thay can only provide a (good) starting point. It isn't so much the libs, as the lib browser, which sends the selected part straight to the schematic, thus giving the user the false impression that th

Re: gEDA-user: Reinventing the wheel

2011-05-19 Thread John Doty
scheme/gnetlist-post.scm These are fairly comprehensible, and somewhat commented, although I know of at least one developer who is deeply offended by the silliness of some of the comments. And the wiki contains more tutorial-style stuff. So, is it really that bad? John Doty Noqsi A

Re: gEDA-user: Reinventing the wheel

2011-05-18 Thread John Doty
But after the initial shock it wasn't too bad. Indeed. It's easier than it looks. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Reinventing the wheel

2011-05-18 Thread John Doty
A narrowly targeted, inflexible tool like Eagle can maybe, kind of, but that's not gEDA. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org

Re: gEDA-user: Reinventing the wheel

2011-05-18 Thread John Doty
ion: the back end receives the data in very conveniently digested form. gnet-osmond.scm Description: Binary data John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http:

Re: gEDA-user: Reinventing the wheel

2011-05-18 Thread John Doty
ability between Noqsi and Osaka U. environments for this particular project. So, as a demo, it's not so great, even though its organization is a tremendous timesaver for us. But by all means, take a look at it if you want. John Doty Noqsi Aerospace, Ltd

Re: gEDA-user: Reinventing the wheel

2011-05-17 Thread John Doty
r need to use GUI at all to make data products like netlists, BOM, simulation outputs, and documentation. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://w

Re: gEDA-user: Reinventing the wheel

2011-05-17 Thread John Doty
one of the approaches I had in mind when I wrote: > General-purpose IPC is complex, fragile, and always less flexible than > intended. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda

Re: gEDA-user: Reinventing the wheel

2011-05-17 Thread John Doty
ve done GUIs that wrap scripts, but it only works in very simple, shallow cases. An API that supports GUI well is very different from an API that supports scripting well. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: Reinventing the wheel

2011-05-17 Thread John Doty
mple, and avoids the minefield of integration. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: Reinventing the wheel

2011-05-17 Thread John Doty
ograms. Specialized IPC is good in its place. General-purpose IPC is complex, fragile, and always less flexible than intended. --- John Doty Noqsi Aerospace, Ltd. This message contains technical discussion involving difficult issues. No personal disrespect or malice is intended. If you

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