Source code for gdsfactory.components.litho_steps

from __future__ import annotations

import gdsfactory as gf
from gdsfactory import components as pc
from gdsfactory.component import Component
from gdsfactory.typings import LayerSpec


[docs] @gf.cell def litho_steps( line_widths: tuple[float, ...] = (1.0, 2.0, 4.0, 8.0, 16.0), line_spacing: float = 10.0, height: float = 100.0, layer: LayerSpec = "WG", ) -> Component: """Positive + negative tone linewidth test. used for lithography resolution test patterning based on phidl Args: line_widths: in um. line_spacing: in um. height: in um. layer: Specific layer to put the ruler geometry on. """ D = gf.Component() height /= 2 T1 = pc.text( text=f"{str(line_widths[-1])}", size=height, justify="center", layer=layer ) D.add_ref(T1).rotate(90).movex(-height / 10) R1 = pc.rectangle(size=(line_spacing, height), layer=layer) D.add_ref(R1).movey(-height) count = 0 for i in reversed(line_widths): count += line_spacing + i R2 = pc.rectangle(size=(i, height), layer=layer) D.add_ref(R1).movex(count).movey(-height) D.add_ref(R2).movex(count - i) return D
if __name__ == "__main__": c = litho_steps() c.show(show_ports=True)