Virtuoso XL Layout Editor User Guide

Wire Editing in the Virtuoso XL Layout Editor

your_install_dir/samples/local/lxBindKeys.il

where your_install_dir is the top directory in which you store Cadence® software.

To load this file of bindkey definitions every time you run Virtuoso XL, add the following to your .cdsinit file:

load(prependInstallPath("samples/local/lxBindKeys.il"))

Loading ASCII Rules Files

Rule information such as the layers and vias to be used when routing, minimum width rules, and the routing direction for layers can be specified in a rules file and saved to your technology file or an ASCII file. By default, the rules in your technology file are used.

Note: An ASCII rules file will take precedence over the rules specified in the technology file.

To create a rule file, refer to“Creatingor Editing Rules” in the Virtuoso Custom Placement and Routing Guide.

To load an ASCII rules file, follow these steps:

1.From the layout window, choose Options – Route. The Route Options form appears.

2.Turn on Rules.

3.Choose the Rules file you want to use by doing one of the following:

In the Rules field, type in the name and path of the rules file.

Click on Browse.

Virtuoso XL Layout Editor User Guide

Wire Editing in the Virtuoso XL Layout Editor

The Find File form appears.

a.Navigate to the rules file.

b.Choose the rules file.

c.Click OK.

4.In the Route Options form, click OK.

The contents of the rules file are referenced when the next command is executed.

Note: Click Refresh in the Route Options form to reload updated rule information in the following situations:

Contents the rule file is changed.

Name of the rules file is changed.

New rules file is being used.