techGetLayerMaskNumber

techGetLayerMaskNumber( 
d_techID 
tx_layer
) 
=> x_maskNumber / nil

Description

Returns the mask number 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 number or a list containing the layer name and purpose.

Value Returned

x_maskNumber	The mask number assigned to the specified layer.
nil	The technology database does not exist, there is no functions definition for the specified layer, or there is no mask number assigned to the specified layer.

Example

techGetLayerMaskNumber(tfID "metal1")
=> 1

Returns the mask number, 1, assigned to the layer metal1 in the technology database identified by tfID.

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