User Guide

Connectorwith FixingHoleandForbiddenArea
A connector is to be defined having fixing holes. On the solder side
(bottom), the Autorouter must avoid bringing tracks closer to the holes
thanacertaindistance.
Fixingholeswithrestrictedareas
The drill holes are placed, with the desired diameter, on the package us
-
ing the HOLE command. The drilling diameter can be retrospectively
changedwithCHANGEDRILL.
The forbidden area for the Autorouter is defined in layer 42, bRestrict,
using the CIRCLE command. For reasons of representational clarity
the circle is shown here with a non-zero width. Circles whose width is 0
are filled. In this case it has no effect on the Autorouter, since it may not
route within the circle in either case. These forbidden areas are also
takenintoaccountbyapolygoninlayer16, Bottom.
8.8 DrawingFrames
It may be true that drawing frames are not components, but they can be
defined as devices with neither packages nor pins. Such devices in EA
-
GLE’s frames library contain a symbol consisting merely of a frame of
the appropriate size, and a documentation field, which is also defined as
asymbol.
In both cases the identification point is located at the bottom left, so
that neither the frame nor the documentation field will be unintention
-
allyselectedwhileworkingwithinthedrawingarea.
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ComponentDesignExplainedthroughExamples