techGetEquivLayers

techGetEquivLayers(
d_techID
) 
=> l_equivLayersList / nil

Description

Returns a list of the equivalent layers defined in the specified technology database. ASCII technology file location: equivalentLayers subsection in the layerRules section; it lists layers that represent the same kind of material.

For more information about the equivalentLayers subsection of the technology file, see equivalentLayers in Virtuoso Technology Data ASCII Files Reference.

Arguments

d_techID

The database identifier of the technology database.

Value Returned

l_equivLayersList
	List of lists indicating which layers are equivalent. The list has the following syntax: ( ( lt_layer … ) … ) where, lt_layer is an equivalent layer in the equivalentLayers subsection of the technology database. The layer is listed as it appears in the technology database. It can be a layer name or a layer-purpose pair.
nil	The technology database does not exist or does not define any equivalent layers.

Example

techGetEquivLayers(tfID) 
=> (("metal1" "metal2") 
      ("via1" "via2" "via3")
      (("metal3" "pin") "pinMetal")
)

Returns the equivalent layers defined in the technology database identified by tfID.

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