Virtuoso Schematic Composer User Guide

Editing Properties

Example 10

If you had more than nine wildcards in the search-and-replace strings, only the first nine in the replace string can be substituted correctly. The rest are substituted with empty strings.

Suppose you want to search for a string A1B2C3D4E5F6G7H8I9JKL by

P1Q2R3S4T5U6V7W8X9YKZ:

Search: A*B*C*D*E*F*G*H*I*J*L

Replace: P*Q*R*S*T*U*V*W*X*Y*Z

The result is P1Q2R3S4T5U6V7W8X9YZ. The last “* ” in the replace string gets substituted by an empty string and not the substring corresponding to the last

“* ” in the search string.

Selecting Objects to Edit

You can select objects before or after you start an editing command.

If you select an object before you start an editing command, the system prompts you for a starting point called the reference point for the edit. The reference point is usually in the middle of the object.

When you select an object after you start a modal (repeating) command (such as move, delete, copy), the command remains active (default) until you cancel the command by pressing the Escape key. To change the default to nonrepeating, do the following:

1.Choose Options – Editor.

The Editor Options form appears.

2.Turn Modal Commands off.

3.Click OK.

Using Modal (Repeating) Commands

You do not have to repeatedly select a command if you plan to perform the same task several consecutive times. For example, editing commands automatically repeat when the modal commands option is set to on (the default).

Virtuoso Schematic Composer User Guide

Editing Properties

Selecting Objects by Filtering

The Symbol Selection Filter form and the Schematic Selection Filter form let you specify which object types you can select manually for editing. This is especially useful when you have many object types, or overlapping object types, in a small area of your design.

For example, if you want to work exclusively with pins, you can turn on selection capabilities for pins only. As a result, if you accidentally click on another type of object that is near a pin, the other object is not selected.

To specify the objects you want to filter for selection, do the following:

1.Choose Options – Select Filter.

If you are in the symbol editor, the Symbol Selection Filter form appears.

Virtuoso Schematic Composer User Guide

Editing Properties

If you are in the schematic editor, the Schematic Selection Filter form appears.

2.In the Schematic (or Symbol) Objects section, specify the object types you want to select for editing.

The option none turns off all object types.

3.Click OK.

Selecting Objects Automatically by Type

You can set the software to select all the objects of one or more object types automatically.

For example, you might want to select all the pins in your design.

To select all the objects of one or more object types, do the following:

1. Choose Edit – Select – All.

Virtuoso Schematic Composer User Guide

Editing Properties

If you are in the schematic editor, the Schematic Select All form appears.

If you are in the symbol editor, the Symbol Select All form appears.

Symbol Select All

2.On the form, specify the object types you want to select.

The option none turns off all object types.

3.Click OK.

The software highlights the specified objects in the design window.