Layer

GDS layer identity defined by a (number, datatype) pair.

Every polygon, path, and text element in a GDS file belongs to a layer. Layer encodes the two integers that GDS uses to identify layers: a layer number and a datatype. By convention, datatype defaults to 0.

silicon = Layer(1, 0)   # Silicon waveguide layer
metal = Layer(10, 0)    # Metal routing layer
text = Layer(100)       # Text annotations (datatype defaults to 0)

Layer objects are hashable and can be used as dictionary keys or in sets.

Attributes

Methods

Layer(1, 0)   # Explicit number and datatype
Layer(1)      # Equivalent — datatype defaults to 0