Re: gEDA-user: pcb layer groups

[Karel Kulhavy <clock@xxxxxxxxxxxxx>]

On Thu, Jan 05, 2006 at 01:33:47PM -0500, DJ Delorie wrote:
> 
> > No. This makes small garbage triangles in the end which will have to be
> > replaced by breaking the polygon anyway.
> 
> If you have that many traces on a "ground plane" layer, you don't
> really have a ground plane any more.

I have :) When you make sure the holes in the ground plane don't get
bigger than 1/20 of the wavelength (you can make bridges on the other
side to divide holes that are too big).

CL<
> 
> > Why? I remember attending computer graphics lecture and remember
> > that time complexity of drawing of line is the same for line with 45
> > deg angle as for any other angle.
> 
> I said 0/90/180/270, not 45.  Orthagonal lines are often special
> cased.
> 
> > When you turn on thindraw it starts drawing garbage - pieces of
> > filled polygons all around.
> 
> I've never seen that.  If you see it again, could you send me a sample
> PCB file that shows it?