def add_dc_line(self, branch: DcLine):
"""
Add branch to the schematic
:param branch: Branch object
"""
terminal_from = branch.bus_from.graphic_obj.terminal
terminal_to = branch.bus_to.graphic_obj.terminal
graphic_obj = DcLineGraphicItem(terminal_from, terminal_to, self.diagramScene, branch=branch)
graphic_obj.diagramScene.circuit = self.circuit # add pointer to the circuit
terminal_from.hosting_connections.append(graphic_obj)
terminal_to.hosting_connections.append(graphic_obj)
graphic_obj.redraw()
branch.graphic_obj = graphic_obj
def add_api_dc_line(self, branch: DcLine):
"""
add API branch to the Scene
:param branch: Branch instance
"""
terminal_from = branch.bus_from.graphic_obj.terminal
terminal_to = branch.bus_to.graphic_obj.terminal
graphic_obj = DcLineGraphicItem(terminal_from, terminal_to, self.diagramScene, branch=branch)
graphic_obj.diagramScene.circuit = self.circuit # add pointer to the circuit
terminal_from.hosting_connections.append(graphic_obj)
terminal_to.hosting_connections.append(graphic_obj)
graphic_obj.redraw()
return graphic_obj
def scene_mouse_release_event(self, event):
"""
Finalize the branch creation if its drawing ends in a terminal
@param event:
@return:
"""
# Clear or finnish the started connection:
if self.started_branch:
pos = event.scenePos()
items = self.diagramScene.items(pos) # get the item (the terminal) at the mouse position
for item in items:
if type(item) is TerminalItem: # connect only to terminals
if item.parent is not self.started_branch.fromPort.parent: # forbid connecting to itself
self.started_branch.setToPort(item)
item.hosting_connections.append(self.started_branch)
self.started_branch.bus_to = item.parent
if self.started_branch.bus_from.api_object.is_dc != self.started_branch.bus_to.api_object.is_dc:
# different DC status -> VSC
name = 'VSC ' + str(len(self.circuit.vsc_devices) + 1)
obj = VSC(bus_from=self.started_branch.bus_from.api_object,
bus_to=self.started_branch.bus_to.api_object,
name=name)
obj.graphic_obj = VscGraphicItem(fromPort=self.started_branch.fromPort,
toPort=self.started_branch.toPort,
diagramScene=self.diagramScene,
branch=obj)
elif self.started_branch.bus_from.api_object.is_dc and self.started_branch.bus_to.api_object.is_dc:
# both buses are DC
name = 'Dc line ' + str(len(self.circuit.dc_lines) + 1)
obj = DcLine(bus_from=self.started_branch.bus_from.api_object,
bus_to=self.started_branch.bus_to.api_object,
name=name)
obj.graphic_obj = DcLineGraphicItem(fromPort=self.started_branch.fromPort,
toPort=self.started_branch.toPort,
diagramScene=self.diagramScene,
branch=obj)
else:
# Same DC status -> line / trafo
v1 = self.started_branch.bus_from.api_object.Vnom
v2 = self.started_branch.bus_to.api_object.Vnom
if abs(v1 - v2) > 1.0:
name = 'Transformer ' + str(len(self.circuit.transformers2w) + 1)
obj = Transformer2W(bus_from=self.started_branch.bus_from.api_object,
bus_to=self.started_branch.bus_to.api_object,
name=name)
obj.graphic_obj = TransformerGraphicItem(fromPort=self.started_branch.fromPort,
toPort=self.started_branch.toPort,
diagramScene=self.diagramScene,
branch=obj)
else:
name = 'Line ' + str(len(self.circuit.lines) + 1)
obj = Line(bus_from=self.started_branch.bus_from.api_object,
bus_to=self.started_branch.bus_to.api_object,
name=name)
obj.graphic_obj = LineGraphicItem(fromPort=self.started_branch.fromPort,
toPort=self.started_branch.toPort,
diagramScene=self.diagramScene,
branch=obj)
# add the new object to the circuit
self.circuit.add_branch(obj)
# update the connection placement
obj.graphic_obj.fromPort.update()
obj.graphic_obj.toPort.update()
# set the connection placement
obj.graphic_obj.setZValue(-1)
# if self.started_branch.toPort is None:
self.started_branch.remove_widget()
# release this pointer
self.started_branch = None