Re: gEDA-user: G in PCB

[Xtian Xultz <xultz@xxxxxxxxxxxx>]

Em Ter 17 Jan 2006 12:05, DJ Delorie escreveu:
> > Are you thinking in implementing it (to PCB-HID)? If so, I will
> > start designing a new set of fonts right now. If so, I will not lost
> > work designing a new font now only using lines and another usign
> > arcs too.
>
> I'll defer to Harry and Dan about if it *should* be done.  If it
> *should* be done, I'll do it.
>
> > > Note that there is currently a rule that says arcs must have the same
> > > width and height (i.e. no ellipses) but they can have any start/end
> > > angles.
> >
> > That rule is a gerber imposition, or the gerber format accepts ellipses?
> > When using PCB to draw an arc (I mean, when routing a board) sometimes is
> > really important to have a function to draw a part of an arc.
>
> None of the HIDs has a problem with arcs that have arbitrary angles.
> See http://www.delorie.com/pcb/pullit-sample.png

How did you did it?????

> However, gerber is limited to drawing CIRCULAR arc segments, not
> ELLIPTICAL arc segments.  To support non-circular arcs, we'd have to
> draw them as a series of short line segments.

I understand.