Data Sheet

PCB Layout
153
Since you can set a new design rule per layer it is possible to have different
clearance rules for power planes on different layers
Stitching Zones
In Proteus you can auto stitch / shield a power plane. This is done by right clicking on the edge
of a power plane and select the relevant option:
Nesting and Islands
There are several additional configuration options available to us now that we have placed the
zone. Editing a zone is slightly different from most other objects in the PCB Layout, in that you
must right click on the border of the zone (to avoid continuous unwanted selections).
Firstly, check the selection filter and make sure that the zone object type is selectable (or switch
to selection mode).