Process Rule Override Editor: NetClass Form

To open the Process Rule Override Editor: NetClass form, double-click a net class constraint that appears in the Net column on the Nets tab.

The Process Rule Override Editor: NetClass form has the following components:

Toolbar	Lets you copy and delete a constraint.
Fields	Lets you specify the options for bus constraints.

Toolbar

The following table lists the functions of the different buttons on the Process Rule Override Editor: Bus form toolbar.

Icon	Command	Description
	Copy Constraint Group	Lets you copy the constraint group.
	Delete Constraint Group	Lets you delete the constraint group.

The Process Rule Override Editor: NetClass form lets you specify the options for bus constraints.

Field	Description
Group Name	Lets you specify the group name for the constraint.
Constraint Group	Lets you select a constraint group to use for seeding the values.
# Via Cuts	Specifies the number of cuts for each cut layer matching a valid via.
Same Mask	Lets you select the same mask option. The same mask options are determined by the number of masks per layer defined in a given technology file. A minimum of `0` and a maximum of `3` options are available. An empty value in the Same Mask field indicates that the group has no same mask constraints. The value any appears as an option in the Same Mask field regardless of the number of masks defined in the technology file.
Top Layer	Lets you select the preferred top routing layer.
Bottom Layer	Lets you select the preferred bottom routing layer.
*Width/Space*	Toggles to display the width and spacing layer table.
Layer	Displays the name of the layer.
Min W	Lets you specify the minimum width to be used for the layer.
Max W	Lets you specify the maximum width to be used for the layer.
Min S	Lets you specify the minimum spacing to be used for the layer.