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 :content-type; bh=Y8uCQYFH8cN97ng8Bv9oyqoXjix4SAjoiNeRqa7+hIo=; b=P0/7IaWDvW6+Ve5dqaFFMhwK+MqU019FFPe/nd7WiP4YhW+/vGVgFxvdlBzl9vk4B4 ef7W+GK3wdlV85uNTZPFBRfSFmP9M5iMrjWCKnMOUD0/mGlG9vS7MwZVEg9bhC+++lZ7 Eu9h0y+GlyNlKFCW3M44RwJmRxwmEoPfBFxDdgYGNEwYoxo9dKRhTsHRf1SK7gaTibl7 LKaiihoHSTAyv+4EYmIAzQY25JBZbggOCf6J5YSOu4QSeH6S5X+ZX5CsnWguEOtMT3Gj jocDJI7bv1a4sJEhsZwsLVqIdgeASwmFHWT52H4J2r9dwy4WA4K97VS3PQcvTeIcfPtq s1xQ== MIME-Version: 1.0 X-Received: by 10.152.37.102 with SMTP id x6mr16762979laj.69.1436479226464; Thu, 09 Jul 2015 15:00:26 -0700 (PDT) In-Reply-To: <201507092150.t69Lo53N002627@envy.delorie.com> References: <1436477539 DOT 1747 DOT 21 DOT camel AT ssalewski DOT de> <201507092150 DOT t69Lo53N002627 AT envy DOT delorie DOT com> Date: Thu, 9 Jul 2015 22:00:26 +0000 Message-ID: Subject: Re: [geda-user] What is the hardest part in a PCB layout program? From: "Evan Foss (evanfoss AT gmail DOT com) [via geda-user AT delorie DOT com]" To: geda-user AT delorie DOT com Content-Type: text/plain; charset=UTF-8 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 7/9/15, DJ Delorie wrote: > > The hardest thing inside pcb is figuring out the right interface > between the data and the tools that manipulate it. Some tools need > low-level geometry, like DRC or the GUI. Others need high-level > assemblies, like microstrip routers or gerber (which needs to export > pins, not circles). Others (like optimizers) need both. > > With the right interface, adding tools is more streamlined and less > likely to interfere with other tools, with less overhead and less > duplication of code. That problem seems to be endemic to all EDA not just the pcb part. Perhaps that should be a short term mission. (not trying to push you into it, just trying to find a focusing point) -- Home http://evanfoss.googlepages.com/ Work http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/