> > -----Original Message-----
> > From: Embedded Matt
> > Subject: [PEDA] Align components with rotated
> components
> > 
> > I have columns of mixed 1206 and 0805 components
> and I
> > would like to align their centers.  It works okay
> if
> > none of the components are rotated but many of the
> > components are rotated 180 degrees to make the
> routing
> > easier.
> > 
> > The problem is that using the align centers
> command
> > seems to undo my desired rotation.  The results
> with
> > align left are even worse.
> > 
> > Am I doing something wrong or is there a
> workaround?
> > 
--- John Haddy <[EMAIL PROTECTED]> wrote:
> The only thing I can suggest will probably cause a
> little
> pain at first, but it's worth it:
> 
> Your SMD library parts should all be "centre
> origin", not
> "pin 1", Doing this will allow you to place the
> components
> as you desire.
> 
> Since many SMD footprints end up having
> non-grid-related
> pad-to-pad distances, placing pin 1 on a grid point
> often
> means that the other pads aren't on grid. So if most
> aren't
> on grid, they may as well ALL be not on grid! I
> always
> place by centroid and rely on the electrical snap
> functions
> to allow me to route reliably.
> 
> I don't think I have a single component in my
> libraries that
> has a pin 1 origin.
> 
> John Haddy

John,

Thanks, that helped a lot.  It wasn't too painful for
me because I only have about 25 components in my
surface mount library.  Obviously, I don't do a lot of
layouts.

Matt

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