Maybe I've been doing this too long. I find it quite easy to work on the silkscreens while they are backward.
However, most of the customers don't feel that way about the printouts, so such a tool would be useful in that regard. Jeff Condit ----- Original Message ----- From: "Abd ul-Rahman Lomax" <[EMAIL PROTECTED]> To: "Protel EDA Forum" <[EMAIL PROTECTED]> Sent: Monday, May 17, 2004 3:15 PM Subject: Re: [PEDA] Flipping a PCB layout - 99SE > At 04:35 PM 5/17/2004, Ray Mitchell wrote: > >I was not clear. I want to flip the entire PCB layout and be able to work > >on and modify it - not just view it. > > It should be understood that a Flip View option would allow just what Mr. > Mitchell has stated he wants. You could work on the board while the view > was flipped. > > There is one thing he might want to do which Flip View would *not* allow > him to do. That is to take IP from one design and use it, flipped, in > another design. Imagine a piece of SMT design that uses the Top layer and > perhaps three additional inner layers below Top. The vias are all blind > vias going no deeper than the fourth layer. Now, imagine an 8-layer board. > Could you take the design on the Top, flip it, and put it on the bottom? > > This kind of design need is the reason why it was deemed important enough > to attempt to create a server that would do the flip. It should be realized > that simply having a flip view would be quite nice, but there are > situations where you would really want to interchange Top and Bottom. > However, this is not quite as simple as it might seem at first blush. What > do you do with the inner layers? Do they flip as well? And the mech layers? > > Obviously, everything has to mirror, but layer sequence would also be > inverted in a proper flip. What happens to the mechanical layers? I think > that mech layers in DXP can be paired, but this was not the case in 99SE. > And design rules: in a complete flip everything that refers to layers would > have to flip. > > What Mr. Mitchell has not told us is *why* he wants to flip the board. If > it is just to be able to read bottom side designators while he works on the > bottom, flip view would do the job quite well, it would not be necessary, > just for that purpose, to go through the rather complex process of moving > every primitive in the file. > > So, to summarize, there are two tools we'd like: Flip View, which would > allow working on a PCB while it is viewed as a mirror image, and Flip > Selection, perhaps, which would be a much more complex command that would > require the specification of flip axis, depth of flip, etc. > > And neither of these is available in Protel at present, though you could > use a mirror by the monitor.... > > (unless you can get the server from Mr. Wilson, which was never > sufficiently debugged for him to consider it reliable, if I recall correctly.) > > > > > > > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
