Product Documentation
Virtuoso Automated Device Placement and Routing Flow Guide
Product Version IC23.1, November 2023

calcBBoxIgnoreMaterialTypes

APR.device.place calcBBoxIgnoreMaterialTypes string "List_of_Materials"

Description

Specifies the materials to be ignored while running the placer. The default value lists the following materials: "trim cut nWell pWell nImplant pImplant recognition other".

When you click Adjust Boundary on the Place tab of the Auto P&R assistant, the layers that contain the specified materials are excluded during row height calculation.

In lower node designs that have a PR boundary, set this environment variable to avoid shorts and overlaps.

GUI Equivalent

None

Examples

envGetVal("APR.device.place" "calcBBoxIgnoreMaterialTypes")
envSetVal("APR.device.place" "calcBBoxIgnoreMaterialTypes" 'string "cut nWell pWell nImplant")

Related Topics

Automated Device Placement and Routing Flow Environment Variables

Place tab of the Auto P&R assistant


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