techDeleteLayer

techDeleteLayer(
d_techID
tx_layer
)
=> t / nil

Description

Deletes the specified layer from the specified technology database. ASCII technology file location: techLayers subsection in the layerDefinitions section; it lists the layers that can be used.

This function does not purge all references to the layer from the technology database. If the layer is referenced in a constraint in another section of the technology database, an error will occur when an application attempts to use that constraint. To prevent these errors, you must delete all references to the layer name from the ASCII technology file and reload it.

For more information about techLayers, see techLayers in Virtuoso Technology Data ASCII Files Reference.

Arguments

d_techID	The database identifier of the technology database.
tx_layer	The name or number of the layer to delete.

Value Returned

`t`	The layer was deleted.
`nil`	The technology database does not exist or the layer is not defined in the technology database.

Example

techDeleteLayer(tfID "metal5")

Deletes the metal5 layer from the technology database identified by tfID.

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Virtuoso Technology Data SKILL ReferenceProduct Version IC23.1, June 2023