techGetLxExtractLayers

techGetLxExtractLayers(
d_techFileID
)
=> l_extractLayers / nil

Description

Returns the list of extract layers from the virtuosoDefaultExtractorSetup constraint group in the specified technology file. These layers are listed as validLayers in the interconnect subsection of the constraint group.

Arguments

d_techFileID

Database ID of the technology file.

Value Returned

l_extractLayers

List of the valid layers listed in the virtuosoDefaultExtractorSetup constraint group. The list has the following syntax:

( lt_layer … )

lt_layer is a layer name.

nil

The technology file does not exist, the constraint group is not in the technology file, or the constraint group does not list any valid layers.

Example

techGetLxExtractLayers( techFileID )
=> ( pWell nDiff pDiff poly1 cont metal1 via1 metal2 via2 metal3 )

Returns the list of layers from the interconnect(validLayers) subsection in the virtuosoDefaultExtractorSetup constraint group in the technology file identified by techFileID.

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Virtuoso Layout Suite SKILL ReferenceProduct Version IC23.1, November 2023