Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Steven Michalske
Its public domain, thats very free, GPL has had is day as a free license, but version 3 has clauses that are very restrictive to others that want to contirbute, i no longer will even consider working on GPL v3 code. On Fri, Aug 13, 2010 at 10:54 AM, Peter Clifton pc...@cam.ac.uk wrote: On Thu,

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Bert Timmerman
-Original Message- From: geda-user-boun...@moria.seul.org [mailto:geda-user-boun...@moria.seul.org] On Behalf Of Steven Michalske Sent: Friday, August 13, 2010 8:19 AM To: gEDA user mailing list Subject: Re: gEDA-user: Commercial CAD, land pattern generators report Its

gEDA-user: I think there is an error

2010-08-13 Thread c_mitra
In the PCB quick reference card, the dimensions are indicated as 1/100 mils. This is clearly wrong. It should be 1/100 inch or 10 mils. OR, Am I missing something? C K M - Original Message - From: geda-user-requ...@moria.seul.org To: c mitra c_mi...@lycos.com Sent: Friday, August 13,

Re: gEDA-user: I think there is an error

2010-08-13 Thread Kai-Martin Knaak
c_mi...@lycos.com wrote: In the PCB quick reference card, the dimensions are indicated as 1/100 mils. This is clearly wrong. It should be 1/100 inch or 10 mils. 1/100 mil is correct. See http://pcb.gpleda.org/pcb-cvs/pcb.html#File-Syntax Note, there is a depreciated but still supported

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Kai-Martin Knaak
Steven Michalske wrote: but version 3 has clauses that are very restrictive to others that want to contirbute, -v can you give an example, please? --)kaimartin(--- -- Kai-Martin Knaak tel: +49-511-762-2895 Universität Hannover, Inst. für Quantenoptik

Re: gEDA-user: pcb: experience with import-schematics

2010-08-13 Thread Kai-Martin Knaak
bump. More generally: What config files does import schematics look at? The import feature needs a bit more documentation. --)kaimartin(--- -- Kai-Martin Knaak tel: +49-511-762-2895 Universität Hannover, Inst. für Quantenoptik fax: +49-511-762-2211

Re: gEDA-user: [OT] Fluorescent tube help

2010-08-13 Thread David Smith
Chris Smith wrote: I recently purchased an old, second-hand UV exposure box to try making PCBs at home. One of the tubes has started to fail and in replacing them I have noticed something odd: the box takes two 12 8W T5 tubes, but has only a single 13W switch-start ballast. I assumed that a

Re: gEDA-user: [OT] Fluorescent tube help

2010-08-13 Thread Chris Smith
John Griessen wrote: If you can get the same bulbs and it's not expensive, run them and maybe they burn out and who cares, as long as you have some good insulation protection from the HV. I guess so, it's just, well... I'd like to _know_. :) You could try DJ's UV LED methods and skip the

Re: gEDA-user: help with gwave svn-REV2444

2010-08-13 Thread kai-martin knaak
sibu xolo wrote: `sgtk_wrap_gtkobj' wavelist.o: In function `get_gwave_tooltips': $SOURCES/gwave/trunk/src/wavelist.c:417: undefined reference to `sgtk_get_gtkobj' collect2: ld returned 1 exit status make[4]: *** [gwave] Error 1 make[4]: Leaving directory `$SOURCES/gwave/trunk/src'

Re: gEDA-user: help with gwave svn-REV2444

2010-08-13 Thread Stefan Salewski
On Fri, 2010-08-13 at 12:19 +0100, sibu xolo wrote: Dear All, I have been trying to compile the program gwave (from svn ) gwave is one of the most demanding tools of geda suite, for building from sources. In my opinion, if your goal is to compile latest versions from sources, then some

Re: gEDA-user: [OT] Fluorescent tube help

2010-08-13 Thread Mike Bushroe
I do not know much about fluorescent tube ballasts, but I can give some general guesses. 1) Wattage is going to relate to total amount of heat dissipation that the ballast can handle. 2) Tube length (each in parallel or both in series) relates to the voltage needed to first

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Dave N6NZ
On Aug 12, 2010, at 7:17 AM, John Griessen wrote: certain 3D entities are *not* documented, they are binary blobs and you can only get the spec by paying for a license from Autocad and signing an NDA. So no open source dxf library will ever be able to handle all of dxf. My immediate

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread kai-martin knaak
Dave N6NZ wrote: I've been watching FOSS 3D CAD for a while, and until FreeCAD came along the outlook was pretty depressing. The FreeCAD guys, however, are making progress a bullet-train speed. My first instinct would be to find a way to help them. If freecad keeps growing at the current

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Felipe De la Puente Christen
On Fri, 2010-08-13 at 11:21 -0700, Dave N6NZ wrote: I've been watching FOSS 3D CAD for a while, and until FreeCAD came along the outlook was pretty depressing. The FreeCAD guys, however, are making progress a bullet-train speed. My first instinct would be to find a way to help them.

Re: gEDA-user: wishful UI

2010-08-13 Thread Stefan Salewski
On Mon, 2010-08-09 at 10:59 -0600, John Doty wrote: Remember, pcb isn't the only layout path we support. Yes. But I think the addition of net classes will not really break something. Of course it will increase the code size, which is not really nice. And it may decrease the working speed of

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread kai-martin knaak
Felipe De la Puente Christen wrote: Why not using IDES/STEP file format. Because STEP is a hell of a standard and non-free, too. It encompasses much more than 3D mechanical data and aims to cover every aspect of every product. The standard itself is closed source. You have to pay real money

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Dave N6NZ
On Aug 13, 2010, at 12:51 PM, Felipe De la Puente Christen wrote: On Fri, 2010-08-13 at 11:21 -0700, Dave N6NZ wrote: I've been watching FOSS 3D CAD for a while, and until FreeCAD came along the outlook was pretty depressing. The FreeCAD guys, however, are making progress a

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Bert Timmerman
Hi all, -Original Message- From: geda-user-boun...@moria.seul.org [mailto:geda-user-boun...@moria.seul.org] On Behalf Of kai-martin knaak Sent: Friday, August 13, 2010 11:43 PM To: geda-u...@seul.org Subject: Re: gEDA-user: Commercial CAD, land pattern generators report

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread John Griessen
On Fri, Aug 13, 2010 at 10:54 AM, Peter Clifton pc...@cam.ac.uk wrote: On Thu, 2010-08-12 at 09:17 -0500, John Griessen wrote: OpenNurbs.org has the code, public domain. He's considering forking and licensing it GPL. IMO, that sounds like quite an aggressive thing to do to a code base..

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Armin Faltl
Dave N6NZ wrote: I don't know much about 3D file formats. I know stl is basically a bag of triangles, and I think stl is also. So while you can communicate a hull, you can't do much more. No parametric information, no material information, no joint information, etc. Not sure about iges,

gEDA-user: 3D package data to land pattern generator

2010-08-13 Thread John Griessen
Felipe De la Puente Christen wrote: Why not using IDES/STEP file format. He's looking for some way to have a 3D library at least be viewable without installing a giant amount of code from OpenCascade. John ___ geda-user mailing list

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread al davis
On Friday 13 August 2010, Kai-Martin Knaak wrote: can you give an example, please? Under GPL-3 you can't make a contribution that applies one of your own patents, then sue the users of the package for patent infringement. ___ geda-user mailing

gEDA-user: 3d package to land pattern generator

2010-08-13 Thread John Griessen
Armin Faltl wrote: IGES is an old US military standard. It means 'Initial Graphics Exchange Specification' and the specification for it is freely available, since it's a work from a US government agency (I got it ;-). As the name says, it was meant as preliminary work, but served it's

Re: gEDA-user: pcb: experience with import-schaematics

2010-08-13 Thread kai-martin knaak
DJ Delorie wrote: I found that unlike gsch2pcb import did not remove footprints of deleted components from the existing layout. Is this deliberate? Or is it just a feature to be? Deliberate. All elements that shouldn't be there are selected, so you can hit Delete to delete them, or not.

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Armin Faltl
I can't give an example on the intricacies of GPL v3 of the top of my head, but wanted to write the following to RFS regarding putting libraries under GPL instead of LGPL: I want to contribute or give away what I want to and keep my own what I want to keep and if this is not possible with a

Re: gEDA-user: GPL-v3 for Open CAD

2010-08-13 Thread Armin Faltl
John Griessen wrote: al davis wrote: On Friday 13 August 2010, Kai-Martin Knaak wrote: can you give an example, please? Under GPL-3 you can't make a contribution that applies one of your own patents, then sue the users of the package for patent infringement. Sounds OK for openness so

Re: gEDA-user: pcb: experience with import-schematics

2010-08-13 Thread kai-martin knaak
Kai-Martin Knaak wrote: Yes please, with git format-patch if you can. Here you go. Did the patch apply? ---)kaimartin(--- -- Kai-Martin Knaak Öffentlicher PGP-Schlüssel: http://pgp.mit.edu:11371/pks/lookup?op=getsearch=0x6C0B9F53 ___

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Armin Faltl
Armin Faltl wrote: IGES is an old US military standard. It means 'Initial Graphics Exchange Specification' and the specification for it is freely available, since it's a work from a US government agency (I got it ;-). As the name says, it was meant as preliminary work, but served it's

Re: gEDA-user: wishful UI

2010-08-13 Thread Dietmar Schmunkamp
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Am 13.08.2010 23:23, schrieb Stefan Salewski: On Mon, 2010-08-09 at 10:59 -0600, John Doty wrote: Remember, pcb isn't the only layout path we support. Yes. But I think the addition of net classes will not really break something. Of course it

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread kai-martin knaak
Armin Faltl wrote: I tried some hours to find an e-mail address of RFS - there must be a reason it's not public... google Richard Stallman email First hit http://stallman.org/ says email rms at gnu period org ---)kaimartin(--- -- Kai-Martin Knaak Öffentlicher

Re: gEDA-user: 3d package to land pattern generator

2010-08-13 Thread John Griessen
Dave N6NZ wrote: On Aug 13, 2010, at 12:51 PM, Felipe De la Puente Christen wrote: According to my Aerspace related partners, DXF has almost nothing to apport to 3D CAD. Yes, well, I can't imagine using dxf for any serious 3D work. But it does have 3D entities in the file format. My

Re: gEDA-user: pcb: experience with import-schaematics

2010-08-13 Thread DJ Delorie
This should be documented in the manual. Do you accept patches? Sure. PS: The manual still points the reader to sourceforge (in Is Harry Eaton still the current maintainer? Haven't read much from him sice some time. If so, is the email at jhuapl.edu still valid? The wiki page on

Re: gEDA-user: wishful UI

2010-08-13 Thread Stefan Salewski
On Sat, 2010-08-14 at 00:48 +0200, Dietmar Schmunkamp wrote: Stefan, I looked at your suggestions about netclasses and I like them. Indeed currently I am still looking for a good reason against that proposal. My best candidates: It is not too useful for small projects, and it is some work

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Armin Faltl
Thanks - think I tried to find it on gnu.org - and got probably distracted kai-martin knaak wrote: Armin Faltl wrote: I tried some hours to find an e-mail address of RFS - there must be a reason it's not public... google Richard Stallman email First hit http://stallman.org/

Re: gEDA-user: wishful UI

2010-08-13 Thread DJ Delorie
I guess it would be no great deal for smart (but very busy) people like Peter C. and DJ, to implement the basic concept. For people not familiar with the internals of gschem and PCB like me it may take very long... I'm quite willing to teach people PCB internals, if it means having more PCB

Re: gEDA-user: wishful UI

2010-08-13 Thread DJ Delorie
So why not just have properties, and sets of properties. A set of properties *is* a class, if you apply the same set of properties to many nets. Why not let the user pre-define such classes, to make their work easier? ___ geda-user mailing list

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 5:39 PM, DJ Delorie wrote: So why not just have properties, and sets of properties. A set of properties *is* a class, if you apply the same set of properties to many nets. Why not let the user pre-define such classes, to make their work easier? I suggested that. I

Re: gEDA-user: wishful UI

2010-08-13 Thread Stefan Salewski
On Fri, 2010-08-13 at 19:28 -0400, DJ Delorie wrote: I guess it would be no great deal for smart (but very busy) people like Peter C. and DJ, to implement the basic concept. For people not familiar with the internals of gschem and PCB like me it may take very long... I'm quite willing

Re: gEDA-user: 3d package to land pattern generator

2010-08-13 Thread kai-martin knaak
John Griessen wrote: It does not matter how lame it is for 3D expressiveness, all that is needed is a spartan wire frame outline of a part to get a very accurate footprint via automatic means. IMHO, lameness does matter. 3D in DXF is so lame, that many CAD applications limit their

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
Ben Jackson wrote: I'll answer internals questions on geda-dev from anyone who wants to ask. Unfortunately, only approved developers are allowed to ask on geda-dev. ---)kaimartin(--- -- Kai-Martin Knaak Öffentlicher PGP-Schlüssel: http://pgp.mit.edu:11371/pks/lookup?op=getsearch=0x6C0B9F53

Re: gEDA-user: wishful UI

2010-08-13 Thread Stefan Salewski
On Fri, 2010-08-13 at 17:48 -0600, John Doty wrote: On Aug 13, 2010, at 5:39 PM, DJ Delorie wrote: So why not just have properties, and sets of properties. A set of properties *is* a class, if you apply the same set of properties to many nets. Why not let the user pre-define such

Re: gEDA-user: wishful UI

2010-08-13 Thread Dietmar Schmunkamp
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Am 14.08.2010 01:13, schrieb Stefan Salewski: Indeed currently I am still looking for a good reason against that proposal. My best candidates: It is not too useful for small projects, and it is some work to implement. I don't think that this is a

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 6:13 PM, Stefan Salewski wrote: In my simple mind I consider a set of properties a class. But of course we can call it again a property. It's the difference between ending at class, or being able to compose properties from properties without limit. John Doty

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
John Doty wrote: It's the difference between ending at class, or being able to compose properties from properties without limit. What do you think, the terms subclass and superclass refer to? ---)kaimartin(--- -- Kai-Martin Knaak Öffentlicher PGP-Schlüssel:

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 6:54 PM, kai-martin knaak wrote: What do you think, the terms subclass and superclass refer to? Classes in OO aren't like classes in any other context. The concept of class is superfluous and misleading here, since only one concept is needed: property. Much simpler and

Re: gEDA-user: wishful UI

2010-08-13 Thread DJ Delorie
But property is such a nice, clean, simple building block. Why pollute it by adding more functionality and making it more complex? ___ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
John Doty wrote: What do you think, the terms subclass and superclass refer to? Classes in OO aren't like classes in any other context. Biology, astronomy, algebra, set theory and database theory all use the concept of subclasses. ---)kaimartin(--- -- Kai-Martin Knaak Öffentlicher

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 7:04 PM, DJ Delorie wrote: But property is such a nice, clean, simple building block. Why pollute it by adding more functionality and making it more complex? Because then you can extend the concept without limit. It's like function in mathematics. You can construct

gEDA-user: edge4way rules in magic

2010-08-13 Thread Oliver King-Smith
I am trying to get some rules programmed into my magic tech file. In particular I want to require metal to encompass the vias by 2um if the metal is wide metal (10um x 10um). Otherwise I only need to encompass the vias by 0.8um. Does anyone know how to specify this in the drc

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 7:07 PM, kai-martin knaak wrote: John Doty wrote: What do you think, the terms subclass and superclass refer to? Classes in OO aren't like classes in any other context. Biology, astronomy, algebra, set theory and database theory all use the concept of subclasses.

Re: gEDA-user: wishful UI

2010-08-13 Thread DJ Delorie
But property is such a nice, clean, simple building block. Why pollute it by adding more functionality and making it more complex? Because then you can extend the concept without limit. It's like function in mathematics. You can construct functions from functions. But if such constructs

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
John Doty wrote: Biology, astronomy, algebra, set theory and database theory all use the concept of subclasses. But I've worked in astronomy for decades without ever encountering the term superclass. Nor are classes in astronomy associated with methods. read again: Did I write superclass?

Re: gEDA-user: land pattern generators vs. verifying footprints

2010-08-13 Thread Armin Faltl
John Griessen wrote: Bert Timmerman wrote: Hi all, a 1 part library operating a layout service bureau Take a look at http://wikicomponents.com The worlds first Excuse me for having a rather pessimistic view about this site. IMHO, this flipped wikicomponents coin can go just one

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 7:20 PM, DJ Delorie wrote: But property is such a nice, clean, simple building block. Why pollute it by adding more functionality and making it more complex? Because then you can extend the concept without limit. It's like function in mathematics. You can construct

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 7:27 PM, kai-martin knaak wrote: read again: Did I write superclass? Your statement was, that classes do not contain classes anywhere but in OO. Read again: did I write classes do not contain classes anywhere but in OO? I wrote: Classes in OO aren't like classes in any

Re: gEDA-user: wishful UI

2010-08-13 Thread John Doty
On Aug 13, 2010, at 7:27 PM, kai-martin knaak wrote: read again: Did I write superclass? Yes. You wrote: What do you think, the terms subclass and superclass refer to? John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ j...@noqsi.com

Re: gEDA-user: wishful UI

2010-08-13 Thread Armin Faltl
A collection of constants is a structured constant and a class is not (only) a constant - well at least to me a structured property sounds less missleading than the name class. Why doesn't a class include net topologies, parts etc.? - That's what a true analogon of a class would be - actually a

Re: gEDA-user: wishful UI

2010-08-13 Thread Andrew Poelstra
On Fri, Aug 13, 2010 at 07:32:30PM -0600, John Doty wrote: On Aug 13, 2010, at 7:20 PM, DJ Delorie wrote: But property is such a nice, clean, simple building block. Why pollute it by adding more functionality and making it more complex? Because then you can extend the concept

Re: gEDA-user: Commercial CAD, land pattern generators report

2010-08-13 Thread Armin Faltl
al davis wrote: I don't know who RFS is but any license you grant for your own code applies only to those to whom you grant the license. If you write some code, and it's yours, you can license it any way you want. If you make it available for download under GPL, this does not prevent you

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
John Doty wrote: Class is a misleading term in this context. Nets (at best) have properties: classification is sloppy thinking. No, it is structured thinking. The utter failure of early efforts to base AI on classification of objects should surely have taught that to us. The success of

Re: gEDA-user: GPL-v3 for Open CAD

2010-08-13 Thread Steven Michalske
To make this point clear to get companies like IBM to support GPL V3 they had to put in clauses that excepted them from the IP rules. Also see this clause http://en.wikipedia.org/wiki/GNU_General_Public_License#Compatibility_and_multi-licensing you cant link a GPL v3 library into non GPL v3

Re: gEDA-user: wishful UI

2010-08-13 Thread kai-martin knaak
John Doty wrote: I wrote: Classes in OO aren't like classes in any other context. Your key point is that class is not an appropriate term, because classes can't contain classes. If this is not, what you wanted to back-up with the OO statement. Why did bring OO into play? I gave five

Re: gEDA-user: wishful UI

2010-08-13 Thread bobo
On Friday 13 August 2010, John Doty wrote: Developers who'd be attracted by a dumbed-down UI are exactly the folks I do not want to see working on gEDA. Just to clarify .. one example of a dumbed-down of the type JD is referring to is LaTeX. After all, LaTeX is just a dumbed- down interface