>my brain would not stop and I actually ended up having recurring dreams >where I was actively doing the lay out--in the dream!
Abd ul-Rahman wrote: You haven't earned your stripes as a professional PCB designer if this hasn't happened to you.... OOOOH Boy a truer statement has never been uttered. Sometimes though they are not dreams but nightmares!!!!! Robert M. Wolfe, C.I.D. [EMAIL PROTECTED] ----- Original Message ----- From: "Abd ul-Rahman Lomax" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Sunday, February 10, 2002 10:14 AM Subject: Re: [PEDA] terminology: ratsnest > At 04:16 PM 2/8/2002 -0500, Darryl Newberry wrote: > >I see this thread won't die so I have to jump back in for a sec.... > > > >I'm getting old but I swear that once upon a time saw a PCB guy with a > >vellum sheet with straight colored pencil lines drawn on it, being used as > >an overlay to show the from-tos. OK maybe it was in another galaxy far far > >away....or maybe it was in a dream. > > All kinds of crazy things have been done by designers. As I mentioned, I > think that red-blue was one of those. I seem to vaguely remember some story > that red-blue was invented and promoted by the company that made the film. > > As to a manually drawn ratsnest, had I been the CAD manager, I would have > seriously considered firing that designer. It would take a *lot* of time to > draw that overlay, time which could be much better spent actually getting > the job done. The purpose of a ratsnest display is to help in placement, > and it recalculates when one moves a part. Imagine doing a manual drawing > and then "recalculating" the ratsnest upon moving a puppet! > > Computers are good at that kind of thing, people not. > > I did once do a drawing that might have been interpreted as being what Mr. > Newberry described, but it only showed bus connections, an entire bus was > represented as a single line. This was a board that had multiple buses > running all over the place, and the drawing was essentially my reminder of > what ICs belonged together. In that sense it functioned somewhat like a > modern ratsnest display functions, it was an aid in a placement study. > > >my brain would not stop and I actually ended up having recurring dreams > >where I was actively doing the lay out--in the dream! > > You haven't earned your stripes as a professional PCB designer if this > hasn't happened to you.... > > [EMAIL PROTECTED] > Abdulrahman Lomax > Easthampton, Massachusetts USA > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[email protected] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
