def _convert_shape(self, shape):
""" Convert a shape """
if shape.type == 'circle':
circle = specctraobj.Circle()
circle.aperture_width = self._from_pixels(1)
circle.diameter = self._from_pixels(float(shape.radius) * 2.0)
circle.vertex = self._from_pixels((shape.x, shape.y))
return [circle]
elif shape.type == 'line':
path = specctraobj.Path()
path.aperture_width = self._from_pixels(1)
path.vertex.append(self._from_pixels((shape.p1.x, shape.p1.y)))
path.vertex.append(self._from_pixels((shape.p2.x, shape.p2.y)))
return [path]
elif shape.type == 'polygon':
polygon = specctraobj.Polygon()
polygon.aperture_width = self._from_pixels(1)
for point in shape.points:
polygon.vertex.append(self._from_pixels((point.x, point.y)))
return [polygon]
elif shape.type == 'arc':
# Can't get freerouting.net to show qarc, replace it with multiple paths
#
#points = self._get_arc_qarcs(shape)
#center = self._from_pixels((shape.x, shape.y))
#
#result = []
#for start, end in points:
# qarc = specctraobj.QArc()
# qarc.vertex1 = self._from_pixels(start)
# qarc.vertex2 = self._from_pixels(end)
# qarc.vertex3 = center
# result.append(qarc)
#return result
points = [
self._from_pixels(point)
for point in self._get_arc_points(shape)
]
return self._points_to_paths(points)
elif shape.type == 'bezier':
points = [
self._from_pixels((point.x, point.y))
for point in shape._line()
]
return self._points_to_paths(points)
elif shape.type == 'rectangle':
rect = specctraobj.Rectangle()
rect.aperture_width = self._from_pixels(1)
rect.vertex1 = self._from_pixels((shape.x, shape.y))
rect.vertex2 = self._from_pixels(
(shape.x + shape.width, shape.y - shape.height))
return [rect]
else:
assert shape.type is None # Not reached
def _convert_pin_to_outline(self, pin):
pcbshape = specctraobj.Path()
pcbshape.layer_id = 'Front'
pcbshape.aperture_width = self._from_pixels(1)
pcbshape.vertex.append(self._from_pixels((pin.p1.x, pin.p1.y)))
pcbshape.vertex.append(self._from_pixels((pin.p2.x, pin.p2.y)))
outline = specctraobj.Outline()
outline.shape = pcbshape
return outline
def _make_pin(self, padstack_id):
shape = specctraobj.Path()
shape.layer_id = 'Front'
shape.vertex.append((0, 0))
shape.vertex.append((0, 0))
padstack = specctraobj.Padstack()
padstack.padstack_id = padstack_id
padstack.shape.append(specctraobj.Shape())
padstack.shape[-1].shape = shape
self.pcb.library.padstack.append(padstack)
def _points_to_paths(self, points):
prev = points[0]
result = []
for point in points[1:]:
path = specctraobj.Path()
path.aperture_width = self._from_pixels(1)
path.vertex.append(prev)
path.vertex.append(point)
result.append(path)
prev = point
return result
def _convert_net(self, net):
""" Convert a net """
#TODO: Pins (padstack) and wires must be on the same layer!
pcbnet = specctraobj.Net()
pcbnet.net_id = net.net_id
pcbnet.pins.append(specctraobj.Pins())
wire = specctraobj.Wire()
wire.net = specctraobj.Net()
wire.net.net_id = net.net_id
paths = set()
for point in net.points.values():
for cpt in point.connected_components:
pcbnet.pins[-1].pin_reference.append(cpt.instance_id + '-' +
cpt.pin_number)
for point2_id in point.connected_points:
point2 = net.points.get(point2_id)
if point2 is not None:
path = [(point.x, point.y), (point2.x, point2.y)]
path.sort() # canonical order
paths.add(tuple(path))
# Keep unique pins only
pcbnet.pins[-1].pin_reference = dict.fromkeys(
pcbnet.pins[-1].pin_reference).keys()
self.pcb.network.net.append(pcbnet)
for path in paths:
wire = specctraobj.Wire()
wire.net = specctraobj.Net()
wire.net.net_id = net.net_id
wire.shape = specctraobj.Path()
wire.shape.layer_id = 'Front'
point1, point2 = path
wire.shape.vertex.append(self._from_pixels_abs(point1))
wire.shape.vertex.append(self._from_pixels_abs(point2))
self.pcb.wiring.wire.append(wire)
