Product Documentation
Virtuoso Layout Suite XL: Connectivity Driven Editing User Guide
Product Version IC23.1, November 2023

preserveRows

layoutXL preserveRows boolean { t | nil }

Description

Specifies that any existing rows and custom placement areas in the layout are preserved when you run the Generate All From Source command.

preserveRows also preserves rowRegionSpec and row regions in the layout when Generate All From Source is run. For more information on row regions, see Layout Support for Row Regions in the Virtuoso Placer User Guide.

The default is nil.

GUI Equivalent

Command:

Connectivity – Generate – All From Source (Floorplan tab)

Field:

Preserve Floorplanning Objects – Rows and Custom Placement Areas

(Generate Layout Form)

Examples

envGetVal("layoutXL" "preserveRows")
envSetVal("layoutXL" "preserveRows" 'boolean t)
envSetVal("layoutXL" "preserveRows" 'boolean nil)

Related Topics

List of Layout XL Environment Variables

Setting Environment Variables


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