Add the option to use explicit x= or y= in path_to
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f6bfd3b638
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@ -236,8 +236,10 @@ class Pather(Builder):
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self,
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portspec: str,
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ccw: SupportsBool | None,
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position: float,
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position: float | None = None,
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*,
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x: float | None = None,
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y: float | None = None,
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tool_port_names: tuple[str, str] = ('A', 'B'),
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base_name: str = '_pathto',
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**kwargs,
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@ -246,8 +248,13 @@ class Pather(Builder):
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logger.error('Skipping path_to() since device is dead')
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return self
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pos_count = sum(vv is not None for vv in (position, x, y))
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if pos_count > 1:
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raise BuildError('Only one of `position`, `x`, and `y` may be specified at once')
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if pos_count < 1:
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raise BuildError('One of `position`, `x`, and `y` must be specified')
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port = self.pattern[portspec]
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x, y = port.offset
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if port.rotation is None:
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raise PortError(f'Port {portspec} has no rotation and cannot be used for path_to()')
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@ -256,13 +263,25 @@ class Pather(Builder):
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is_horizontal = numpy.isclose(port.rotation % pi, 0)
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if is_horizontal:
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if numpy.sign(numpy.cos(port.rotation)) == numpy.sign(position - x):
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raise BuildError(f'path_to routing to behind source port: x={x:g} to {position:g}')
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length = numpy.abs(position - x)
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if y is not None:
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raise BuildError(f'Asked to path to y-coordinate, but port is horizontal')
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if position is None:
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position = x
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else:
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if numpy.sign(numpy.sin(port.rotation)) == numpy.sign(position - y):
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raise BuildError(f'path_to routing to behind source port: y={y:g} to {position:g}')
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length = numpy.abs(position - y)
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if x is not None:
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raise BuildError(f'Asked to path to x-coordinate, but port is vertical')
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if position is None:
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position = y
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x0, y0 = port.offset
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if is_horizontal:
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if numpy.sign(numpy.cos(port.rotation)) == numpy.sign(position - x0):
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raise BuildError(f'path_to routing to behind source port: x0={x0:g} to {position:g}')
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length = numpy.abs(position - x0)
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else:
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if numpy.sign(numpy.sin(port.rotation)) == numpy.sign(position - y0):
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raise BuildError(f'path_to routing to behind source port: y0={y0:g} to {position:g}')
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length = numpy.abs(position - y0)
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return self.path(portspec, ccw, length, tool_port_names=tool_port_names, base_name=base_name, **kwargs)
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@ -286,7 +305,7 @@ class Pather(Builder):
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if 'bound_type' in kwargs:
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bound_types.add(kwargs['bound_type'])
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bound = kwargs['bound']
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for bt in ('emin', 'emax', 'pmin', 'pmax', 'min_past_furthest'):
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for bt in ('emin', 'emax', 'pmin', 'pmax', 'xmin', 'xmax', 'ymin', 'ymax', 'min_past_furthest'):
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if bt in kwargs:
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bound_types.add(bt)
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bound = kwargs[bt]
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@ -301,15 +301,23 @@ class RenderPather(PortList):
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self,
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portspec: str,
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ccw: SupportsBool | None,
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position: float,
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position: float | None = None,
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*,
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x: float | None = None,
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y: float | None = None,
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**kwargs,
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) -> Self:
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if self._dead:
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logger.error('Skipping path_to() since device is dead')
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return self
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pos_count = sum(vv is not None for vv in (position, x, y))
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if pos_count > 1:
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raise BuildError('Only one of `position`, `x`, and `y` may be specified at once')
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if pos_count < 1:
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raise BuildError('One of `position`, `x`, and `y` must be specified')
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port = self.pattern[portspec]
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x, y = port.offset
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if port.rotation is None:
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raise PortError(f'Port {portspec} has no rotation and cannot be used for path_to()')
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@ -318,13 +326,25 @@ class RenderPather(PortList):
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is_horizontal = numpy.isclose(port.rotation % pi, 0)
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if is_horizontal:
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if numpy.sign(numpy.cos(port.rotation)) == numpy.sign(position - x):
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raise BuildError(f'path_to routing to behind source port: x={x:g} to {position:g}')
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length = numpy.abs(position - x)
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if y is not None:
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raise BuildError(f'Asked to path to y-coordinate, but port is horizontal')
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if position is None:
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position = x
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else:
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if numpy.sign(numpy.sin(port.rotation)) == numpy.sign(position - y):
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raise BuildError(f'path_to routing to behind source port: y={y:g} to {position:g}')
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length = numpy.abs(position - y)
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if x is not None:
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raise BuildError(f'Asked to path to x-coordinate, but port is vertical')
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if position is None:
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position = y
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x0, y0 = port.offset
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if is_horizontal:
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if numpy.sign(numpy.cos(port.rotation)) == numpy.sign(position - x0):
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raise BuildError(f'path_to routing to behind source port: x0={x0:g} to {position:g}')
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length = numpy.abs(position - x0)
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else:
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if numpy.sign(numpy.sin(port.rotation)) == numpy.sign(position - y0):
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raise BuildError(f'path_to routing to behind source port: y0={y0:g} to {position:g}')
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length = numpy.abs(position - y0)
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return self.path(portspec, ccw, length, **kwargs)
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@ -345,7 +365,7 @@ class RenderPather(PortList):
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if 'bound_type' in kwargs:
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bound_types.add(kwargs['bound_type'])
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bound = kwargs['bound']
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for bt in ('emin', 'emax', 'pmin', 'pmax', 'min_past_furthest'):
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for bt in ('emin', 'emax', 'pmin', 'pmax', 'xmin', 'xmax', 'ymin', 'ymax', 'min_past_furthest'):
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if bt in kwargs:
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bound_types.add(bt)
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bound = kwargs[bt]
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@ -53,9 +53,9 @@ def ell(
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The distance between furthest out-port (B) and the innermost bend (D's bend).
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- 'max_extension' or 'emax':
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The total extension value for the closest-in port (C in the diagram).
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- 'min_position' or 'pmin':
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- 'min_position', 'pmin', 'xmin', 'ymin':
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The coordinate of the innermost bend (D's bend).
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- 'max_position' or 'pmax':
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- 'max_position', 'pmax', 'xmax', 'ymax':
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The coordinate of the outermost bend (A's bend).
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`bound` can also be a vector. If specifying an extension (e.g. 'min_extension',
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@ -109,6 +109,12 @@ def ell(
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raise BuildError('set_rotation must be specified if no ports have rotations!')
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rotations = numpy.full_like(has_rotation, set_rotation, dtype=float)
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is_horizontal = numpy.isclose(rotations[0] % pi, 0)
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if bound_type in ('ymin', 'ymax') and is_horizontal:
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raise BuildError('Asked for {bound_type} position but ports are pointing along the x-axis!')
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elif bound_type in ('xmin', 'xmax') and not is_horizontal:
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raise BuildError('Asked for {bound_type} position but ports are pointing along the y-axis!')
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direction = rotations[0] + pi # direction we want to travel in (+pi relative to port)
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rot_matrix = rotation_matrix_2d(-direction)
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@ -184,9 +190,9 @@ def ell(
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rot_bound = -bound if neg else bound
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min_possible = x_start + offsets
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if bound_type in ('pmax', 'max_position'):
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if bound_type in ('pmax', 'max_position', 'xmax', 'ymax'):
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extension = rot_bound - min_possible.max()
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elif bound_type in ('pmin', 'min_position'):
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elif bound_type in ('pmin', 'min_position', 'xmin', 'ymin'):
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extension = rot_bound - min_possible.min()
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offsets += extension
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