techIsViaLayer

techIsViaLayer(
d_techID 
tx_viaLayer
) 
=> t / nil

Description

Indicates whether the specified layer is defined as the middle, or via, layer in one or more standard via definitions in the specified technology database.

Arguments

d_techID	The database identifier of the technology database.
tx_viaLayer	The layer you want to check. Valid values: The layer name, the layer number, a list containing the layer name and layer purpose

Value Returned

t	The specified layer is a via layer.
nil	The technology database does not exist, or the specified layer is not a via layer.

Example

techIsViaLayer(tfID "via") 
=> t

The via layer is the middle layer of one or more standard via definitions in the technology database identified by tfID.

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