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347 lines
11 KiB
Python
347 lines
11 KiB
Python
"""
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Tools are objects which dynamically generate simple single-use devices (e.g. wires or waveguides)
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"""
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from typing import Sequence, Literal, Callable, Any
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from abc import ABCMeta, abstractmethod # TODO any way to make Tool ok with implementing only one method?
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from dataclasses import dataclass
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import numpy
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from numpy import pi
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from ..utils import SupportsBool, rotation_matrix_2d, layer_t
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from ..ports import Port
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from ..pattern import Pattern
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from ..abstract import Abstract
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from ..library import ILibrary, Library
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from ..error import BuildError
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from .builder import Builder
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@dataclass(frozen=True, slots=True)
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class RenderStep:
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opcode: Literal['L', 'S', 'U', 'P']
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tool: 'Tool' | None
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start_port: Port
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data: Any
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def __post_init__(self) -> None:
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if self.opcode != 'P' and self.tool is None:
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raise BuildError('Got tool=None but the opcode is not "P"')
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class Tool:
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def path(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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port_names: tuple[str, str] = ('A', 'B'),
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**kwargs,
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) -> Pattern:
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raise NotImplementedError(f'path() not implemented for {type(self)}')
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def planL(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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**kwargs,
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) -> Any:
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raise NotImplementedError(f'planL() not implemented for {type(self)}')
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def planS(
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self,
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ccw: SupportsBool | None,
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length: float,
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jog: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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**kwargs,
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) -> Any:
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raise NotImplementedError(f'planS() not implemented for {type(self)}')
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def render(
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self,
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batch: Sequence[RenderStep],
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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port_names: Sequence[str] = ('A', 'B'),
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**kwargs,
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) -> ILibrary:
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assert not batch or batch[0].tool == self
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raise NotImplementedError(f'render() not implemented for {type(self)}')
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abstract_tuple_t = tuple[Abstract, str, str]
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class BasicTool(Tool, metaclass=ABCMeta):
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straight: tuple[Callable[[float], Pattern], str, str]
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bend: abstract_tuple_t # Assumed to be clockwise
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transitions: dict[str, abstract_tuple_t]
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default_out_ptype: str
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def path(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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port_names: tuple[str, str] = ('A', 'B'),
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**kwargs,
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) -> Pattern:
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straight_length, _ccw, in_transition, out_transition = self.planL(
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ccw,
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length,
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in_ptype=in_ptype,
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out_ptype=out_ptype,
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)
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gen_straight, sport_in, sport_out = self.straight
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tree = Library()
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bb = Builder(library=tree, name='_path').add_port_pair(names=port_names)
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if in_transition:
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ipat, iport_theirs, _iport_ours = in_transition
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bb.plug(ipat, {port_names[1]: iport_theirs})
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if not numpy.isclose(straight_length, 0):
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straight = tree << {'_straight': gen_straight(straight_length)}
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bb.plug(straight, {port_names[1]: sport_in})
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if ccw is not None:
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bend, bport_in, bport_out = self.bend
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bb.plug(bend, {port_names[1]: bport_in}, mirrored=(False, bool(ccw)))
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if out_transition:
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opat, oport_theirs, oport_ours = out_transition
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bb.plug(opat, {port_names[1]: oport_ours})
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return bb.pattern
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def planL(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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**kwargs,
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) -> tuple[float, SupportsBool | None, abstract_tuple_t | None, abstract_tuple_t | None]:
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# TODO check all the math for L-shaped bends
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if ccw is not None:
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bend, bport_in, bport_out = self.bend
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angle_in = bend.ports[bport_in].rotation
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angle_out = bend.ports[bport_out].rotation
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assert angle_in is not None
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assert angle_out is not None
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bend_dxy = rotation_matrix_2d(-angle_in) @ (
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bend.ports[bport_out].offset
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- bend.ports[bport_in].offset
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)
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bend_angle = angle_out - angle_in
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if bool(ccw):
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bend_dxy[1] *= -1
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bend_angle *= -1
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else:
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bend_dxy = numpy.zeros(2)
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bend_angle = 0
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in_transition = self.transitions.get('unk' if in_ptype is None else in_ptype, None)
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if in_transition is not None:
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ipat, iport_theirs, iport_ours = in_transition
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irot = ipat.ports[iport_theirs].rotation
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assert irot is not None
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itrans_dxy = rotation_matrix_2d(-irot) @ (
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ipat.ports[iport_ours].offset
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- ipat.ports[iport_theirs].offset
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)
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else:
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itrans_dxy = numpy.zeros(2)
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out_transition = self.transitions.get('unk' if out_ptype is None else out_ptype, None)
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if out_transition is not None:
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opat, oport_theirs, oport_ours = out_transition
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orot = opat.ports[oport_ours].rotation
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assert orot is not None
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otrans_dxy = rotation_matrix_2d(-orot + bend_angle) @ (
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opat.ports[oport_theirs].offset
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- opat.ports[oport_ours].offset
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)
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else:
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otrans_dxy = numpy.zeros(2)
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if out_transition is not None:
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out_ptype_actual = opat.ports[oport_theirs].ptype
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elif ccw is not None:
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out_ptype_actual = bend.ports[bport_out].ptype
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else:
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out_ptype_actual = self.default_out_ptype
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straight_length = length - bend_dxy[0] - itrans_dxy[0] - otrans_dxy[0]
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bend_run = bend_dxy[1] + itrans_dxy[1] + otrans_dxy
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if straight_length < 0:
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raise BuildError(
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f'Asked to draw path with total length {length:,g}, shorter than required bends and transitions:\n'
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f'bend: {bend_dxy[0]:,g} in_trans: {itrans_dxy[0]:,g} out_trans: {otrans_dxy[0]:,g}'
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)
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return float(straight_length), ccw, in_transition, out_transition
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def render(
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self,
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batch: Sequence[RenderStep],
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*,
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port_names: Sequence[str] = ('A', 'B'),
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append: bool = True,
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**kwargs,
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) -> ILibrary:
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tree = Library()
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bb = Builder(library=tree, name='_path').add_port_pair(names=(port_names[0], port_names[1]))
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gen_straight, sport_in, _sport_out = self.straight
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for step in batch:
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straight_length, ccw, in_transition, out_transition = step.data
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assert step.tool == self
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if step.opcode == 'L':
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if in_transition:
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ipat, iport_theirs, _iport_ours = in_transition
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bb.plug(ipat, {port_names[1]: iport_theirs})
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if not numpy.isclose(straight_length, 0):
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straight_pat = gen_straight(straight_length)
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if append:
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bb.plug(straight_pat, {port_names[1]: sport_in}, append=True)
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else:
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straight = tree << {'_straight': straight_pat}
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bb.plug(straight, {port_names[1]: sport_in}, append=True)
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if ccw is not None:
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bend, bport_in, bport_out = self.bend
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bb.plug(bend, {port_names[1]: bport_in}, mirrored=(False, bool(ccw)))
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if out_transition:
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opat, oport_theirs, oport_ours = out_transition
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bb.plug(opat, {port_names[1]: oport_ours})
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return tree
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class PathTool(Tool, metaclass=ABCMeta):
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straight: tuple[Callable[[float], Pattern], str, str]
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bend: abstract_tuple_t # Assumed to be clockwise
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transitions: dict[str, abstract_tuple_t]
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ptype: str
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width: float
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layer: layer_t
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def __init__(self, layer: layer_t, width: float, ptype: str = 'unk') -> None:
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Tool.__init__(self)
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self.layer = layer
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self.width = width
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self.ptype: str
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def path(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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port_names: tuple[str, str] = ('A', 'B'),
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**kwargs,
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) -> Pattern:
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dxy = self.planL(
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ccw,
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length,
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in_ptype=in_ptype,
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out_ptype=out_ptype,
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)
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pat = Pattern()
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pat.path(layer=self.layer, width=self.width, vertices=[(0, 0), (length, 0)])
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if ccw is None:
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out_rot = pi
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elif bool(ccw):
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out_rot = -pi / 2
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else:
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out_rot = pi / 2
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pat.ports = {
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port_names[0]: Port((0, 0), rotation=0, ptype=self.ptype),
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port_names[1]: Port(dxy, rotation=out_rot, ptype=self.ptype),
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}
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return pat
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def planL(
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self,
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ccw: SupportsBool | None,
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length: float,
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*,
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in_ptype: str | None = None,
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out_ptype: str | None = None,
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**kwargs,
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) -> tuple[float, float]:
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# TODO check all the math for L-shaped bends
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if out_ptype and out_ptype != self.ptype:
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raise BuildError(f'Requested {out_ptype=} does not match path ptype {self.ptype}')
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if ccw is not None:
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bend_dxy = numpy.array([1, -1]) * self.width / 2
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bend_angle = pi / 2
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if bool(ccw):
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bend_dxy[1] *= -1
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bend_angle *= -1
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else:
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bend_dxy = numpy.zeros(2)
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bend_angle = 0
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straight_length = length - bend_dxy[0]
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bend_run = bend_dxy[1]
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if straight_length < 0:
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raise BuildError(
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f'Asked to draw path with total length {length:,g}, shorter than required bend: {bend_dxy[0]:,g}'
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)
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return length, bend_run
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def render(
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self,
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batch: Sequence[RenderStep],
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*,
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port_names: Sequence[str] = ('A', 'B'),
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**kwargs,
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) -> ILibrary:
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path_vertices = [batch[0].start_port.offset]
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for step in batch:
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assert step.tool == self
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port_rot = step.start_port.rotation
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assert port_rot is not None
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if step.opcode == 'L':
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length, bend_run = step.data
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dxy = rotation_matrix_2d(port_rot + pi) @ (length, bend_run)
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path_vertices.append(step.start_port.offset + dxy)
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else:
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raise BuildError(f'Unrecognized opcode "{step.opcode}"')
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tree, pat = Library.mktree('_path')
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pat.path(layer=self.layer, width=self.width, vertices=path_vertices)
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return tree
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