X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-Envelope-From: paubert AT iram DOT es Date: Mon, 13 Jul 2015 19:32:10 +0200 From: "Gabriel Paubert (paubert AT iram DOT es) [via geda-user AT delorie DOT com]" To: "Ouabache Designworks (z3qmtr45 AT gmail DOT com) [via geda-user AT delorie DOT com]" Subject: Re: [geda-user] PCB interface (ECAD vs. MCAD) Message-ID: <20150713173210.GA28925@visitor2.iram.es> References: <76520AC3-3E8D-4F80-A912-AB076DD8D0C6 AT icloud DOT com> <1670171546 DOT 913210 DOT 1436776811789 DOT JavaMail DOT yahoo AT mail DOT yahoo DOT com> <79456AAA-24A9-4300-900D-005ABBCFCBDA AT icloud DOT com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Spamina-Bogosity: Unsure X-Spamina-Spam-Score: -1.5 (-) X-Spamina-Spam-Report: Content analysis details: (-1.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 URIBL_BLOCKED ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [URIs: icloud.com] -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -0.5 BAYES_05 BODY: Bayes spam probability is 1 to 5% [score: 0.0443] 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 Precedence: bulk On Mon, Jul 13, 2015 at 07:49:33AM -0700, Ouabache Designworks (z3qmtr45 AT gmail DOT com) [via geda-user AT delorie DOT com] wrote: > On Mon, Jul 13, 2015 at 2:01 AM, Chris Smith (space DOT dandy AT icloud DOT com) [via > geda-user AT delorie DOT com] wrote: > > > > > > > > > That’s my point. If you ignore the modern 3D MCAD stuff and look at a > > simple 2D draughting package, like QCad, then PCB layout is just that plus > > electrical semantics — relationships between objects and layers. > > > > > And schematic capture is a single layer PCB with minimal widths and > thickness where lines crossing at right angles do not connect. So we start > with a common graphics drawing program and add a schematic module or a PCB > module or a autoroute module or a 3-D module all on a common base. I'm > surprised that no one has applied autorouting to schematic capture, That > would really be usefull. That's what Silego's GreenPak designer attempts to do, and the results are not pretty. Probably because there's no snapping. This said, these small chips are quite fun to program. Gabriel