[PCB_FORUM] Re: Quick way to slide vertex/segments/etc?

Thanks Andrew. Yes, we want the end points to move to the new center points of the pins that were moved. Derive Connectivity did not do that for us. We're going to try your suggestion of moving by group and see how that works.
-----Original Message-----
From: "Andrew Noonan (annoonan)"
Sent: Apr 12, 2011 1:10 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Quick way to slide vertex/segments/etc?

Hi Alexis,

 

As mentioned by previous folks, you could use Derive Connectivity, though that may not be exactly what you want.


Sounds like you would like the end point of the traces to have moved ‘with’ the pin center point locations, and have all the routing slide (shorten/lengthen) with it.

 

 If it’s possible to select-by-window the segments including the endpoints of an entire row, you should be able to either type in the delta or even snap ‘Segment Vertex’ from one trace endpoint to ‘Pin’ at the target point.  Make sure you have Smooth set to Off in the slide window so that Allegro doesn’t ruin any of the diff pair gathering at the pin entry points. Also, you may want to temporarily disable On-Line DRC, depending on complexity of your database.

 

I’ve done this successfully in the past. Hope this helps,

 

Andrew

 

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx [mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of ameehan@xxxxxxxxxxxxxx
Sent: Tuesday, April 12, 2011 9:56 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Quick way to slide vertex/segments/etc?

 

We have a backplane with 72 connectors that need the pin spacing (top and bottom rows moved apart) increased. When I refresh the symbol, it naturally disconnects everything since the pin center has moved by ~20 mils. Since 99% of the signals are pairs, it's extremely slow and painful to slide each and every one (72 x 240 pins = over 17,000 connects). There's gotta be a quicker way to do this, but can't find anything obvious in the settings. I tried creating a padstack with an offset in the Y direction, but it appears to have no effect - the rat still goes to the center of the pad. I'm hoping someone out there has some better ideas?
Thanks.
Alexis Meehan
Violin Memory Inc.

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