def initUI(self):
scene = QtGui.QGraphicsScene(self)
scene = QtGui.QGraphicsScene(self)
scene.setItemIndexMethod(QtGui.QGraphicsScene.NoIndex)
scene.setSceneRect(-200, -200, 400, 400)
self.setScene(scene)
self.scene = scene
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
self.setRenderHint(QtGui.QPainter.Antialiasing)
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QtGui.QGraphicsView.AnchorViewCenter)
self.setDragMode(QtGui.QGraphicsView.ScrollHandDrag)
self.setInteractive(True)
self.NodeIds = []
self.centrality = []
self.Scene_to_be_updated = scene
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
i = 0
self.dendogramPos()
self.setSceneRect(self.Scene_to_be_updated.itemsBoundingRect())
self.setScene(self.Scene_to_be_updated)
self.fitInView(self.Scene_to_be_updated.itemsBoundingRect(),QtCore.Qt.KeepAspectRatio)
self.scaleView(math.pow(2.5, -900/ 1040.0))
python类QGraphicsScene()的实例源码
def __init__(self,parent):
QtGui.QGraphicsView.__init__(self)
self.parent = parent;
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse);
self.setDragMode(QtGui.QGraphicsView.ScrollHandDrag);
self.setViewportUpdateMode(QtGui.QGraphicsView.FullViewportUpdate);
self.setRenderHints(0);
self.scene = QtGui.QGraphicsScene();
self.setScene(self.scene)
self.offset_x = 0;
self.offset_y = 0;
self.marker_set = False
self.marker_is_visible = True
self.is_flipped = False
def initUI(self):
scene = QtGui.QGraphicsScene(self)
scene.setItemIndexMethod(QtGui.QGraphicsScene.NoIndex)
self.setScene(scene)
self.NodeIds = []
self.centrality = []
self.Scene_to_be_updated = scene
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
self.setRenderHint(QtGui.QPainter.Antialiasing)
self.setInteractive(True)
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QtGui.QGraphicsView.AnchorViewCenter)
self.setDragMode(QtGui.QGraphicsView.ScrollHandDrag)
i = 0
self.communityPos = nx.nx_pydot.graphviz_layout(self.induced_graph,prog='fdp',args='-Gsep=.25,-GK=20-Eweight=2')
# self.communityPos = nx.spring_layout(self.induced_graph,pos=self.Pos,weight='weight',scale=450)
for node in self.induced_graph.nodes():
i = i + 1
node_value=Node(self.Graph,i,self.correlationTableObject,True)
self.NodeIds.append(node_value)
scene.addItem(node_value)
x,y=self.communityPos[node]
node_value.setPos(x,y)
node_value.PutColor(self.clut[i-1])
k =0
for i,j in self.induced_graph.edges():
Weight = self.induced_graph[i][j]['weight']
Edge_Value = 1+(float(Weight-self.Min1)/(self.Max1 - self.Min1))*5
scene.addItem(Edge(self.Graph,self.NodeIds[i],self.NodeIds[j],k, i,j,self.Max,((self.Matrix[j,i]-self.Min1)/(self.Max1 - self.Min1))*5,True))
k = k + 1
self.setSceneRect(self.Scene_to_be_updated.itemsBoundingRect())
self.setScene(self.Scene_to_be_updated)
self.fitInView(self.Scene_to_be_updated.itemsBoundingRect(),QtCore.Qt.KeepAspectRatio)
self.scaleView(math.pow(2.5, -900 / 1040.0))
self.nodes = [item for item in scene.items() if isinstance(item, Node)]
self.edges = [item for item in scene.items() if isinstance(item, Edge)]
def initUI(self):
"""
initialize all the components required
"""
self.presentNodeObjects = []
self.centrality = []
scene = QtGui.QGraphicsScene(self)
scene.setItemIndexMethod(QtGui.QGraphicsScene.NoIndex)
scene.setSceneRect(-200, -200, 400, 400)
self.setScene(scene)
self.scene = scene
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
self.setRenderHint(QtGui.QPainter.Antialiasing)
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QtGui.QGraphicsView.AnchorViewCenter)
self.setDragMode(QtGui.QGraphicsView.ScrollHandDrag)
self.setInteractive(True)
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
self.Scene_to_be_updated = scene
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
i = 0
self.setSceneRect(self.Scene_to_be_updated.itemsBoundingRect())
self.setScene(self.Scene_to_be_updated)
self.fitInView(self.Scene_to_be_updated.itemsBoundingRect(),QtCore.Qt.KeepAspectRatio)
self.scaleView(math.pow(2.0, -900/ 1040.0))
def additional_gui_setup(self):
# Additional GUI setup
self.graphicsView_banner.mouseDoubleClickEvent = MainWindow.banner_double_click
self.setWindowTitle(__appname__)
self.scene_banner = QtGui.QGraphicsScene()
self.graphicsView_banner.setScene(self.scene_banner)
self.scene_banner.addPixmap(QtGui.QPixmap(":images/banner.png"))
self._path_message("", MainWindow.MSG_OK)
self._avoid_message("", MainWindow.MSG_OK)
self.lineEdit_source.setFocus()
# Auto-completion
system_list = self.nav.eve_db.system_name_list()
for line_edit_field in [
self.lineEdit_source,
self.lineEdit_destination,
self.lineEdit_avoid_name,
self.lineEdit_set_dest,
]:
completer = QtGui.QCompleter(system_list, self)
completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
line_edit_field.setCompleter(completer)
# Signals
self.pushButton_eve_login.clicked.connect(self.btn_eve_login_clicked)
self.pushButton_player_location.clicked.connect(self.btn_player_location_clicked)
self.pushButton_find_path.clicked.connect(self.btn_find_path_clicked)
self.pushButton_crest_config.clicked.connect(self.btn_crest_config_clicked)
self.pushButton_trip_config.clicked.connect(self.btn_trip_config_clicked)
self.pushButton_trip_get.clicked.connect(self.btn_trip_get_clicked)
self.pushButton_avoid_add.clicked.connect(self.btn_avoid_add_clicked)
self.pushButton_avoid_delete.clicked.connect(self.btn_avoid_delete_clicked)
self.pushButton_avoid_clear.clicked.connect(self.btn_avoid_clear_clicked)
self.pushButton_set_dest.clicked.connect(self.btn_set_dest_clicked)
self.pushButton_reset.clicked.connect(self.btn_reset_clicked)
self.lineEdit_source.returnPressed.connect(self.line_edit_source_return)
self.lineEdit_destination.returnPressed.connect(self.line_edit_destination_return)
self.lineEdit_avoid_name.returnPressed.connect(self.line_edit_avoid_name_return)
self.lineEdit_set_dest.returnPressed.connect(self.btn_set_dest_clicked)
self.tableWidget_path.itemSelectionChanged.connect(self.table_item_selection_changed)
def __init__(self):
super(NodeView,self).__init__()
self._scene = OPScene()
# Obsolete
self.nodeList = list()
# Variables
self.clickedItem = None
self.itemMode = None # Define which item is selected
self.mousePositionX = 0
self.mousePositionY = 0
self.mode = None
# Configure QGraphics View
self.setSceneRect(0, 0, -1, -1)
self.setFocusPolicy(QtCore.Qt.ClickFocus)
self.setMouseTracking(True)
self.setRenderHints(QtGui.QPainter.Antialiasing)
self.setViewportUpdateMode(QtGui.QGraphicsView.FullViewportUpdate)
# Init QGraphic Scene
self.sc = QtGui.QGraphicsScene()
self.setScene(self.sc)
self.sceneScale = 0.7
# Paint the background
brush = QtGui.QBrush()
brush.setTransform(QtGui.QTransform().scale(0.75, 0.75))
brush.setTextureImage(QtGui.QImage("/Users/draknova/Documents/workspace/sPipe/bin/images/gridTexture.jpg"))
self.sc.setBackgroundBrush(brush)
######################
####### EVENTS #######
######################
### KEYBOARD EVENTS ##
def __init__(self):
QtGui.QGraphicsScene.__init__(self)
self.__N_cities=0
self.__listCitys=[]
def AddWidgets(self):
im = self.dataProcess.im
draw = ImageDraw.Draw(im)
self.setSizePolicy(QtGui.QSizePolicy.Policy.Expanding, QtGui.QSizePolicy.Policy.Expanding)
# Saving the image file as an output file
self.label = QtGui.QLabel()
self.NodeSlider()
im.save("BackgroundImage/output.png")
# Loading the pixmap for better analysis
loadedImage = QtGui.QImage()
loadedImage.load("BackgroundImage/output.png")
self.PixMap = QtGui.QPixmap.fromImage(loadedImage)
self.ElectrodeView = ElectrodeView(self)
x_interval = LayoutWidth/6
y_interval = LayoutHeight/6
for i in range(self.Chunks+1):
self.SmallMultipleElectrode.append(ElectrodeView(self, i, x_interval,y_interval))
CommunitySelectPerTime = QtCore.Signal(list, int ,list, list)
self.SmallMultipleElectrode[i].CommunitySelectPerTime.connect(self.SelectingCommunitiesInaTimestep)
self.SmallMultipleElectrode[i].DataLink.connect(self.GettingDataFromSmallMultiples)
self.SmallMultipleElectrode[i].CommunitySelectAcrossTime.connect(self.SelectingCommunitiesAcrossaTimestep)
self.LayoutForSmallMultiples = LayoutForSmallMultiples(self,self.SmallMultipleElectrode,x_interval,y_interval)
# # Use pycharm to have a better way to do it
self.ImageView = QtGui.QHBoxLayout()
self.ImageView2 = QtGui.QHBoxLayout()
self.ImageView2.setContentsMargins(0, 0, 0, 0)
self.ImageView2.addWidget(self.ElectrodeView)
self.ImageView2.setContentsMargins(0, 0, 0, 0)
# Image additions
vbox = QtGui.QVBoxLayout()
vbox.setContentsMargins(0, 0, 0, 0)
vbox.addLayout(self.ImageView2)
vbox.setContentsMargins(0, 0, 0, 0)
self.scene = QtGui.QGraphicsScene(0, 0,500 ,600)
self.setContentsMargins(0, 0, 0, 0)
self.setLayout(vbox)
