Product Documentation
Virtuoso Layout Suite SKILL Reference
Product Version IC23.1, November 2023

techIsLxExtractLayer

techIsLxExtractLayer(
d_techFileID
tx_layer
)
=> t / nil

Description

Indicates whether the specified layer is listed as an extract layer in the virtuosoDefaultExtractorSetup constraint group in the specified technology file. The extract layers are listed under validLayers in the interconnect subsection of the constraint group.

Arguments

d_techFileID

Database ID of the technology file.

tx_layer

The layer to be checked.
Valid Values: the layer name or number

Value Returned

t

The specified layer is in the list.

nil

The technology file does not exist, the virtuosoDefaultExtractorSetup constraint group is not in the technology file, or the layer is not listed as a valid layer in the constraint group.

Example

techIsLxExtractLayer( techFileID "metal1" )
=> t

Confirms that the metal1 layer is listed in the interconnect(validLayers) subsection in the virtuosoDefaultExtractorSetup constraint group in the technology file identified by techFileID.


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