dbCreateBackgroundDef

dbCreateBackgroundDef(
d_cvId
t_name
l_lpp
t_netName
g_leftEnc
g_rightEnc
g_topEnc
g_bottomEnc
) 
=> d_backgroundDefId / nil

Description

Creates a backgroundDef based on the specified attributes. The layer-purpose pair must exist to create a backgroundDef.

Arguments

d_cvId	Database ID of a cellview.
t_name	Name of a backgroundDef.
l_lpp	Layer-purpose pair.
t_netName	Name of a net.
g_leftEnc	Left enclosure of the background shape.
g_rightEnc	Right enclosure of the background shape.
g_topEnc	Top enclosure of the background shape.
g_bottomEnc	Bottom enclosure of the background shape.

Value Returned

d_bgDefId	Database ID of a backgroundDef.
nil	Returned in case of failure.

Examples

A background definition bgDef1 is created in the cellview cv with the following attributes:

• Layer-purpose pair: FinFet region1
• Net: bgNet
• Left enclosure: 10
• Right enclosure: 20
• Top enclosure: 30
• Bottom enclosure: 40

bgDef1 = dbCreateBackgroundDef(cv "bgDef1" list("FinFet" "region1") "bgNet" 10 20 30 40)

Related Topics

Placement Database Access Functions

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