techGetLayerFunction

techGetLayerFunction( 
d_techID 
tx_layer
) 
=> g_function / nil

Description

Returns the function (material) assigned to the specified layer in the specified technology database.

Arguments

d_techID	The database identifier of the technology database.
tx_layer	The layer name or layer number or a list containing the layer name and purpose.

Value Returned

g_function	The layer function.
nil	The technology database does not exist, the layer is not defined in the technology database, or the layer function is not defined in the technology database.

Example

techGetLayerFunction(tfID "metal1")
=> "metal"

Returns the function (metal) assigned to the layer metal1 in the technology database identified by tfID.

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