techSetPrRoutingOffset

techSetPrRoutingOffset(
d_techID 
tx_layer
n_offset
) 
=> t / nil

Updates the routing offset of the specified layer in the specified technology database.

d_techID

The database identifier of the technology database.

tx_layer

The layer to update.

Valid values: The layer name, the layer number

n_offset

The routing offset for the layer.

Valid values: Any floating-point number, any integer

`t`	The data was updated in `to` the `layerRoutingGrids` subclass of the specified technology database.
`nil`	The layer is not in the `LEFDefaultRouteSpec` constraint group or the technology database does not exist.

techSetPrRoutingOffset(techID "metal1" 0.2)
=> t

Updates the layerRoutingGrids subclass with the specified data in the technology database identified by techID.