www.delorie.com/archives/browse.cgi   search  
Mail Archives: geda-user/2016/07/01/07:36:09

X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=mime-version:in-reply-to:references:date:message-id:subject:from:to;
bh=n9azDVzVXlSGaLj/oxmTWYaocRIw1ZDD6VTdDOwvrIY=;
b=uXWh/F9vIlOGcdAkNP3IWWf7uKY4fyiCSV/EovK8Y3dPOU0TmGAAyU39w7Lw/K9wvg
oRsp5FtOFEIZBxPMsOZMj+ymj1G9ZXGXHQ6Jq64oAQq26NL6B/HH8dqUSwVKdLvvs/XB
x1a+PVio97NSzEvKldZo7gVZGqX7fPP/kepob2pYm+wR0fJBaLef0lUCE1u02mpweETC
qDOv6QUCu5wUmVokUObUNTnQE1ynIbNbd13B7oSDN8rjbV9JgH6Brn3STyqzLXF7ZH+T
qYOh2RYJkXunvjO08A3wvu/NU6vpcMEcPiogLUJ72KXnBwICao5Tu0I2rzncjrl4FLW6
jquA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:mime-version:in-reply-to:references:date
:message-id:subject:from:to;
bh=n9azDVzVXlSGaLj/oxmTWYaocRIw1ZDD6VTdDOwvrIY=;
b=kfVka89lIzHA2sb8B4zS9LNI0JK6pn7mtUR4eyerA9na9dNfJk+P4xXGrd8XOpnAeM
HAAbeTdaJpYaageRqHtBZ6+UdgmZ1vxBe4MMwNwxXLyMtmxrHZG7rrmXAqzQVCCuIa/Q
pGNZVIse0xb5lvXy7F2NrY6G200j3u10sNLpzlpFFt7tX56VRHVQSvWbQrolbEUCRxEv
jsyUZYXPshMN3EUHFHPAV35GwspRzjn6UluBEi4tsB0Lu3MgLsB5JS025LN2dtIQE62x
KrwHHYvcHh25REHIbvSI70pKnstMlzUn6rejVn4TbvqMzMQ5kdNe6uqQyKgVCj08BLUn
wvDA==
X-Gm-Message-State: ALyK8tJNEmgCek8a7U5Ie1q8NrgzSn1myUnfpSmIisA66unIY9at6ZORdSiHFxHT0xPYTO2pAQyaxR7VuT5AEA==
MIME-Version: 1.0
X-Received: by 10.25.149.6 with SMTP id x6mr5545677lfd.106.1467372867159; Fri,
01 Jul 2016 04:34:27 -0700 (PDT)
In-Reply-To: <57764D18.6010105@gmail.com>
References: <5775D82C DOT 30001 AT gmail DOT com>
<201607010246 DOT u612kM1s028703 AT envy DOT delorie DOT com>
<57764D18 DOT 6010105 AT gmail DOT com>
Date: Fri, 1 Jul 2016 07:34:26 -0400
Message-ID: <CAOFvGD4AUyfjM_A_ZLwPScZO_bYYKbownSRniS0pkgSAhSDf+w@mail.gmail.com>
Subject: Re: [geda-user] Prevent PCB Designer to change my thoughts
From: "Jason White (whitewaterssoftwareinfo AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: "geda-user AT delorie DOT com" <geda-user AT delorie DOT com>
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com

--001a114035e88012da0536915e7c
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Well, you might just have to shift the different line segments by 0.01mm or
so to prevent the ends from overlaping. If I recall correctly the internal
units are nanometers

On Friday, July 1, 2016, Ji=C5=99=C3=AD =C4=8Cejka (jirkacejka AT gmail DOT com) [=
via
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:

> Dne 1.7.2016 v 04:46 DJ Delorie napsal(a):
>
>> First off, there's no such thing as "gEDA PCB Designer".  It's just
>> "gEDA pcb".  Unless you mean Allegro or OrCAD, which refer to their
>> tools as "Allegro PCB Designer" and "OrCAD PCB Designer".
>>
>
> Thanks for clarification. I borrowed that name from my Debian instalation
> to better distinguish the board itself and the app. My mistake.
>
> Second, yes, PCB will merge traces when loaded, if the traces are
>> exactly colinear and have the same characteristics (width, clearance).
>> This is intentional.
>>
>
> So, where can be the rub that pcb merge only some and not others then? Ca=
n
> the cause be related to rounding and unit converting inside that dxf2pcb
> tool? I did not mention that all guides were the same at the time I've
> drawn them in CAD and it looks the same in converted PCB file.
>
> So I see two possible conclusions. The gEDA pcb is so exact in recognizin=
g
> which line will be merged from it's pieces and dxf2pcb tool have rounding=
 /
> unit converting dispersion or the I've discovered a bug in pcb. Who knows=
?
>


--=20
Jason White

--001a114035e88012da0536915e7c
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Well, you might just have to shift the different line segments by 0.01mm or=
 so to prevent the ends from overlaping. If I recall correctly the internal=
 units are nanometers<br><br>On Friday, July 1, 2016, Ji=C5=99=C3=AD =C4=8C=
ejka (<a href=3D"mailto:jirkacejka AT gmail DOT com">jirkacejka AT gmail DOT com</a>) [vi=
a <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] &lt;<=
a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>&gt; wrote=
:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-le=
ft:1px #ccc solid;padding-left:1ex">Dne 1.7.2016 v 04:46 DJ Delorie napsal(=
a):<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
First off, there&#39;s no such thing as &quot;gEDA PCB Designer&quot;.=C2=
=A0 It&#39;s just<br>
&quot;gEDA pcb&quot;.=C2=A0 Unless you mean Allegro or OrCAD, which refer t=
o their<br>
tools as &quot;Allegro PCB Designer&quot; and &quot;OrCAD PCB Designer&quot=
;.<br>
</blockquote>
<br>
Thanks for clarification. I borrowed that name from my Debian instalation t=
o better distinguish the board itself and the app. My mistake.<br>
<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Second, yes, PCB will merge traces when loaded, if the traces are<br>
exactly colinear and have the same characteristics (width, clearance).<br>
This is intentional.<br>
</blockquote>
<br>
So, where can be the rub that pcb merge only some and not others then? Can =
the cause be related to rounding and unit converting inside that dxf2pcb to=
ol? I did not mention that all guides were the same at the time I&#39;ve dr=
awn them in CAD and it looks the same in converted PCB file.<br>
<br>
So I see two possible conclusions. The gEDA pcb is so exact in recognizing =
which line will be merged from it&#39;s pieces and dxf2pcb tool have roundi=
ng / unit converting dispersion or the I&#39;ve discovered a bug in pcb. Wh=
o knows?<br>
</blockquote><br><br>-- <br>Jason White<br>

--001a114035e88012da0536915e7c--

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019