Re: gEDA-user: Ngspice for Ubuntu

2008-07-05 Thread Peter Clifton
On Thu, 2008-07-03 at 23:49 -0700, Thomas D. Dean wrote:
 I have geda installed.  I used apt-get install geda.  Then pcb, gerbv,
 gtkwave, verilog, etc.
 
 I just can not get ngspice to work and I have not found gsch2pcb.

ngspice has some licensing issues which means it isn't in Debian /
Ubuntu. You may have to build from sources.

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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Re: gEDA-user: Ngspice for Ubuntu

2008-07-05 Thread Kai-Martin Knaak
On Fri, 04 Jul 2008 19:08:12 -0700, Thomas D. Dean wrote:

 Success!  After I got some of the other -dev packages installed,
 configure complained of missing libXaw!  Before that, even though I
 configured with --with-x, configure did not complain.

Some of the configure scripts involved with building geda from source do 
not test for the *.h files. If you just have the runtime package  
installed configure is happy but the build will fail somewhere down the 
road. I got into the habit of always installing the dev-package of 
whatever configure complains about. 

---(kaimartin)---
-- 
Kai-Martin Knaak
http://lilalaser.de/blog



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Re: gEDA-user: Newbie questions

2008-07-05 Thread Johannes Bauer
John Coppens schrieb:

 1. How can I highlight a complete net in gschem? I have mostly stuff 
 like http://bildrian.de/n/b/c3c0ce767ca5d198.png this - when I want to 
 find out where exactly PA2 goes, I have to manually follow each piece
 of network, which is kind of annoying.
 
 According to 
 http://article.gmane.org/gmane.comp.cad.geda.user/12275
 it's not yet possible

Oh, this is quite unfortunate, since that would be an interesting 
feature. Since the article you quoted was posted one year ago I believe 
that there are no attempts on implementing that either, are there?

 2. I love the keyboard shortcuts, they make design really efficient
 when you got used to. One thing that annoys me, however, is that nets
 are started with n, but when you're finished, you have to hit
 Escape. This is a long way from the n. Can I remap it so that
 finishing networks can be done with, say b?
 
 Right click will stop the current net, and left-click will restart the
 net (i.e. gschem remains in 'net' mode)

What I meant was the following: You draw a net, which is quite long and 
has many corners. In the last step you misclick. Then you have to 
right-click, Ctrl-Z, left click the last point, left click the correct 
point, right click again.

It would be nice if, after the misclick you'd hit, for example b which 
would revert the last network leg and still stay in network drawing mode 
(e.g. that you do not have to left click the last point again). I guess 
this isn't possible then?

 4. When moving vertecies which are connected to two networks (e.g. a 
 corner somewhere), how can it be done that *both* endpoints of the net 
 in question are moved? Currently when I move a point it first moves the 
 vertex from the first part, disconnecting the network. Then I have to 
 manually also pull the second one there.
 
 If you drag the center (not the endpoints) of a segment, it'll move
 entirely (remaining connected to the net). I'm not sure what you mean...

This is true. However, suppose I have the following constellation:

http://bildrian.de/n/b/975ae00f165bc4ee.png

Now I'm moving the rectifier to the lower left. No matter what legs I 
select together with the rectifier, I'll always end up having to fix one 
or two vertices, in this case two:

http://bildrian.de/n/b/84c98f67a293d55d.png

Therefore it'd be nice if the vertices of both leg nets could be moved 
simultaniously. I don't see any point on why it would make sense to rip 
the network apart upon movement of a vertex.

Regards,
Johannes


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gEDA-user: more insanity

2008-07-05 Thread DJ Delorie

http://www.delorie.com/pcb/smd-challenge/insanity_II.jpg

I kinda mangled the pads a little, but it won't matter - I can still
solder them.  The parts are 3x 0.5mm pitch CSP, some 0201 discretes,
and an 0402 LED.  The big pins are 0.1 apart.  Mostly 6/6 rules (some
5 mil traces), with 13 mil holes (the big ones will get drilled out to
26 mil).

The etch was done with photomasks instead of toner transfer, see [1]
for details.

[1] http://www.delorie.com/pcb/inkjet/


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Re: gEDA-user: Newbie questions

2008-07-05 Thread John Coppens
On Sat, 05 Jul 2008 19:04:52 +0200
Johannes Bauer [EMAIL PROTECTED] wrote:

 John Coppens schrieb:
 
  1. How can I highlight a complete net in gschem? I have mostly stuff 
  like http://bildrian.de/n/b/c3c0ce767ca5d198.png this - when I want
  to find out where exactly PA2 goes, I have to manually follow each
  piece of network, which is kind of annoying.
  
  According to 
  http://article.gmane.org/gmane.comp.cad.geda.user/12275
  it's not yet possible
 
 Oh, this is quite unfortunate, since that would be an interesting 
 feature. Since the article you quoted was posted one year ago I believe 
 that there are no attempts on implementing that either, are there?

Not that I'm aware of

  2. I love the keyboard shortcuts, they make design really efficient
  when you got used to. One thing that annoys me, however, is that nets
  are started with n, but when you're finished, you have to hit
  Escape. This is a long way from the n. Can I remap it so that
  finishing networks can be done with, say b?
  
  Right click will stop the current net, and left-click will restart the
  net (i.e. gschem remains in 'net' mode)
 
 What I meant was the following: You draw a net, which is quite long and 
 has many corners. In the last step you misclick. Then you have to 
 right-click, Ctrl-Z, left click the last point, left click the correct 
 point, right click again.
 
 It would be nice if, after the misclick you'd hit, for example b
 which would revert the last network leg and still stay in network
 drawing mode (e.g. that you do not have to left click the last point
 again). I guess this isn't possible then?

Why? If you draw a net, Ctrl-Z immediately deletes to the previous
clicked point. No strange extra clicks?

  4. When moving vertecies which are connected to two networks (e.g. a 
  corner somewhere), how can it be done that *both* endpoints of the
  net in question are moved? Currently when I move a point it first
  moves the vertex from the first part, disconnecting the network.
  Then I have to manually also pull the second one there.
  
  If you drag the center (not the endpoints) of a segment, it'll move
  entirely (remaining connected to the net). I'm not sure what you
  mean...
 
 This is true. However, suppose I have the following constellation:
 
 http://bildrian.de/n/b/975ae00f165bc4ee.png
 
 Now I'm moving the rectifier to the lower left. No matter what legs I 
 select together with the rectifier, I'll always end up having to fix
 one or two vertices, in this case two:
 
 http://bildrian.de/n/b/84c98f67a293d55d.png
 
 Therefore it'd be nice if the vertices of both leg nets could be moved 
 simultaniously. I don't see any point on why it would make sense to rip 
 the network apart upon movement of a vertex.

Make a selection which includes the net lines + the rectifier and you can
move them all together. Of course there will be situations where you will
have to touch up some nodes, particularly if you want to move diagonally.
But even that, you can do with two different selections.

John



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