Re: gEDA-user: spice libs ( a little puzzled)

2010-05-03 Thread Kai-Martin Knaak
On Wed, 28 Apr 2010 10:25:56 -0600, John Doty wrote: There's a special difficulty with SPICE libraries. This is similar to hardware drivers for graphic Cards and the like. I cannot make my private SPICE library available because the license terms of many of the manufacturers' models

Re: gEDA-user: spice libs ( a little puzzled)

2010-05-03 Thread Kai-Martin Knaak
On Wed, 28 Apr 2010 18:57:07 +0200, Armin Faltl wrote: There's a special difficulty with SPICE libraries. I cannot make my private SPICE library available because the license terms of many of the manufacturers' models contained in it forbid redistribution. This isn't a problem that can be

Re: gEDA-user: spice libs ( a little puzzled)

2010-05-03 Thread John Doty
On May 3, 2010, at 9:09 AM, Kai-Martin Knaak wrote: On Wed, 28 Apr 2010 10:25:56 -0600, John Doty wrote: There's a special difficulty with SPICE libraries. This is similar to hardware drivers for graphic Cards and the like. I cannot make my private SPICE library available because

Re: gEDA-user: spice libs ( a little puzzled)

2010-05-03 Thread Larry Doolittle
On Mon, May 03, 2010 at 03:14:22PM +, Kai-Martin Knaak wrote: You don't need a data base for this kind of indirection. Any download script would do. However, it makes the process depend on stability of external sources --sources that can change, or go away without any day. Experience

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread Ouabache Designworks
What you consider common circuit elements are undoubtedly different from what I commonly use. That's how it goes. You have to build your own library, just like I had to when I was using Pspice back in the '90s. Which is precisely the problem. This isn't

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread John Doty
On Apr 28, 2010, at 9:25 AM, Ouabache Designworks wrote: The whole point of Open Source is that everybody doesn't have to reinvent the wheel. You spend time building a really nice and usable library then you make it available for everybody to use. Somebody will add some new

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread asomers
Spicelib (http://www.h-renrew.de/h/spicelib/doc/index.html) is an attempt to provide a library of spice models for gnucap and ngspice users that skirts licensing problems. Much like how Gentoo's Portage deals with non-redistributable but free-to-download software, spicelib downloads models

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread Armin Faltl
There's a special difficulty with SPICE libraries. I cannot make my private SPICE library available because the license terms of many of the manufacturers' models contained in it forbid redistribution. This isn't a problem that can be fixed easily. For these cases a database can cite the

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread John Doty
On Apr 28, 2010, at 10:47 AM, asom...@gmail.com wrote: Patching is the real service that it provides; due to incompatibilities between simulators, most vendors' models won't work in the open-source simulators. This is also a problem for closed source (the curses on this subject of a PSpice

Re: gEDA-user: spice libs ( a little puzzled)

2010-04-28 Thread John Doty
On Apr 28, 2010, at 10:47 AM, asom...@gmail.com wrote: Spicelib (http://www.h-renrew.de/h/spicelib/doc/index.html) is an attempt to provide a library of spice models for gnucap and ngspice users that skirts licensing problems. ... It does not, however, make any gschem symbols for you.