There is an isolation spacing setting in the poligon propperties. You
can also change it on an existing poligon. This setting will define the
isolation distance between the poligon covered area and other signals.
Look up change -> isolate or the values you can enter while you create
the polygon.
HTH
Markus
> Although I don't need a polygon now, I have used polygon to
> create a groundplane in the past. However, when doing so,
> I could not figure out how to merge the filled polygon
> with the adjacent ground trace. Eagle always left an etched space
> between the two.
>
>