Chapter 5
Working with Traces and Copper
©
National Instruments Corporation
5-7
Working with Keep-in/Keep-out Areas
A Keep-in area is a polygon that you set so that when objects are moved
outside of it, a DRC error is generated. Conversely, a Keep-out area
generates a DRC error when objects are moved into it.
Placing Keep-in/Keep-out Areas
The
Keep-in/Keep-out properties
dialog box lets you place a polygon that
will act as either a Keep-in or a Keep-out area. By default, a Keep-out is
placed.
Complete the following steps to add a restricted area:
1.
Choose
Place»Keep-in/Keep-out Area
.
2.
Left-click all points that are to define the polygon, ending with the
starting point.
Viewing and Editing Keep-in/Keep-out Properties
To display the
Keep-in/Keep-out properties
dialog box, select the desired
keep-in/out and select
Edit»Properties
. (The
Keep-in/out
layer must be
active).
The
Keep-in/Keep-out properties
dialog box consist of two tabs:
Attributes
and
Keep-in/keep-out
.
The
Attributes
tab allows you to edit the properties of the selected area.
For more information on editing properties in the
Attributes
tab, refer to
section of Chapter 4,
.
The
Keep-in/Keep-out
tab lets you set specific parameters.
Complete the following steps to set Keep-in/Keep-out parameters:
1.
In the
Type
box, select either
Keep-out
or
Keep-in
.
2.
In the
Layers
box, check the layers to which the Keep-in/out applies.
3.
Optionally, enter the a
Name
for the Keep-in/out area.
