Creating a Variable Underbase

After creating an underbase, the underbase and associated objects are joined together into a compound object.

1. Select the desired objects.
2. From the Effects menu, point to Underbase and select Variable Underbase.

   The Variable Underbase tab appears in DesignCentral.

3. Set the size of the choke in the Choke Distance field.
4. Select a Resolution from the dropdown list that the underbase will be applied at. This should match the resolution supported by your output device.
5. Select the color of the underbase from the dropdown list.
6. Click Apply.