Re: gEDA-user: ground planes and thermals

[handsome greg <xdissent@xxxxxxxxx>]

uh oh.  is there a way to make it clear traces that are already laid? 
i see the "clear polygons with new lines" option or whatever, but can
i cut out the path that are already on the ground plane layer?


On Thu, 31 Mar 2005 14:54:42 -0600, mail@xxxxxxxxxxxx <mail@xxxxxxxxxxxx> wrote:
> Quoting handsome greg <xdissent@xxxxxxxxx>:
> 
> > i would like to have a ground plane on one whole side of my pcb, with
> > thermals connecting the actual grounded pins to the plane, and
> > isolation pads making sure no connections are made for non grounded
> > pins.  do i have to draw a huge rectangle on my ground plane layer?
> > im not sure i understand how thermals work in pcb either.  are
> > isolation pads taken care of automatically?
> >
> > side note:  how can i get vias incorporated into my netlist?  i can't
> > seem to lay a via without it looking "wrong" as far as pcb is
> > concerned.
> >
> > thanks alot!
> > handsome greg
> >
> 
> Draw the big rectagle.  It will automatically clear all pins and pads.  Use the
> add thermal too to put thermals on the pins you want to connect to the ground
> plane.  For surface mounts on the ground plane side, I use a line from the pad
> to the plane.  Currently there is no easy way to have a pin connected to the
> plane directly without a thermal.
> 
> Darrell Harmon
> 
>