Python backend_qt4agg.FigureCanvasQTAgg类代码示例

    def keyPressEvent(self, event):
        if self.redetecter:
            self.detecter()

        key = event.key()
        txt = event.text()
        modifiers = event.modifiers()
        accept = True
        debug(u"key: ", key)
        if key == Qt.Key_Delete and self.select:
            if shift_down(event):
                self.executer(u"%s.cacher()" %self.select.nom)
            else:
                self.executer(u"%s.supprimer()" %self.select.nom)
        elif key in (Qt.Key_Return, Qt.Key_Enter) and self.editeur.objet is not self.select:
            self.editer(shift_down(event))
        elif self.editeur and not self.editeur.key(key, txt, modifiers):
            accept = False

        if key == Qt.Key_Escape and self.interaction:
            print "ESCAPE !"
            self.interaction(special="ESC")
            accept = True

        if not accept:
            FigureCanvasQTAgg.keyPressEvent(self, event)

class RewardWidget(QtGui.QWidget):
    def __init__(self, parent=None):
        super(RewardWidget, self).__init__(parent)
        self.samples = 0
        self.resize(1500, 100)

        self.figure = Figure()

        self.canvas = FigureCanvasQTAgg(self.figure)

        self.axes = self.figure.add_axes([0, 0, 1, 1])

        self.layoutVertical = QtGui.QVBoxLayout(self)
        self.layoutVertical.addWidget(self.canvas)

    def set_time_range(self, time_range):
    	self.time_range = time_range
    	range_length = int((time_range[1] - time_range[0]))
    	self.rewards = [0] * (range_length * 100)

    def add_data(self, data_range, data):
    	begin = int(round((data_range[0] - self.time_range[0]) * 100))
    	end = int(round((data_range[1] - self.time_range[0]) * 100)) + 1
    	self.rewards[begin:end] = [data for x in range(end-begin)]
    	

    	range_length = int((self.time_range[1] - self.time_range[0]))
    	self.axes.clear()
    	self.axes.set_xlim([0,range_length*100])
    	self.axes.set_ylim([-10.0,10.0])
        self.axes.plot(self.rewards)

        self.canvas.draw()
        #print(self.rewards)

class MatplotlibWidget(QtGui.QWidget):
    """
    Implements a Matplotlib figure inside a QWidget.
    Use getFigure() and redraw() to interact with matplotlib.
    
    Example::
    
        mw = MatplotlibWidget()
        subplot = mw.getFigure().add_subplot(111)
        subplot.plot(x,y)
        mw.draw()
    """
    
    def __init__(self, size=(5.0, 4.0), dpi=100):
        QtGui.QWidget.__init__(self)
        self.fig = Figure(size, dpi=dpi)
        self.canvas = FigureCanvas(self.fig)
        self.canvas.setParent(self)
        self.toolbar = NavigationToolbar(self.canvas, self)
        
        self.vbox = QtGui.QVBoxLayout()
        self.vbox.addWidget(self.toolbar)
        self.vbox.addWidget(self.canvas)
        
        self.setLayout(self.vbox)

    def getFigure(self):
        return self.fig
        
    def draw(self):
        self.canvas.draw()

    def __init__(self, parent=None, width=5, height=4, dpi=72):
        # fiugrueの生成
        self.fig = Figure(figsize=(width, height), dpi=dpi,
                          facecolor=[0.5, 0.5, 0.5], edgecolor=None,
                          linewidth=1.0,
                          frameon=True, tight_layout=True)
        # axesハンドルの生成
        self.axes = self.fig.add_subplot(111)

        # 再描画では上書きしない
        self.axes.hold(False)

        # 画像の初期表示
        self.compute_initial_fiugre()

        # コンストラクタ
        FigureCanvas.__init__(self, self.fig)

        # 親のウィジェットを生成
        self.setParent(parent)

        # サイズの設定
        # FigureCanvas.setSizePolicy(self,
        #                            QtGui.QSizePolicy.Expanding,
        #                            QtGui.QSizePolicy.Expanding)

        # サイズの更新
        FigureCanvas.updateGeometry(self)

    def __init__(self, spurset, fef, parent):
        chart.__init__(self, spurset, fef, parent)

        # make the figure blend in with the native application look
        bgcol = parent.palette().window().color().toRgb()
        bgcol = [bgcol.redF(), bgcol.greenF(), bgcol.blueF()]

        self.fig = Figure()
        self.fig.set_facecolor(bgcol)
        
        # a FigureCanvas can be added as a QWidget, so we use that
        self.plot = FigureCanvas(self.fig)
        self.plot.setParent(parent)

        self.ax = self.fig.add_subplot(111)
        # TODO skip this, just do a redraw() after initialization?
        self.ax.set_xlim(self.spurset.RFmin, self.spurset.RFmax)
        self.ax.set_ylim(-0.5*self.spurset.dspan, 0.5*self.spurset.dspan)
        self.ax.grid(True)
        self.fig.tight_layout()

        # a second figure to hold the legend
        self.legendFig = Figure()
        self.legendFig.set_facecolor(bgcol)
        self.legendCanvas = FigureCanvas(self.legendFig)
        self.legendFig.legend(*self.ax.get_legend_handles_labels(),
                              loc='upper left')

        # connect up the picker watching
        self.picked_obj = None
        self._pick = self.plot.mpl_connect('pick_event', self.onpick)
        self._drag = self.plot.mpl_connect('motion_notify_event', self.ondrag)
        self._drop = self.plot.mpl_connect('button_release_event', self.ondrop)

 def __init__(self):
     """Constructor"""
     # Create the figure in the canvas
     self.fig = Figure()
     self.ax = self.fig.add_subplot(111)
     FigureCanvas.__init__(self, self.fig)
     # generates first "empty" plot
     t = [0.0]
     e = [0.0]
     self.line, = self.ax.plot(t,
                               e,
                               color="black",
                               linestyle="-",
                               linewidth=1.0)
     # Set some options
     self.T = {{L}} / {{U}}
     self.Ek = {{E_KIN}}
     self.ax.grid()
     self.ax.set_xlim(0, 10.0)
     self.ax.set_ylim(0.0, 1.1)
     self.ax.set_autoscale_on(False)
     self.ax.set_xlabel(r"$t U / L$", fontsize=21)
     self.ax.set_ylabel(r"$\mathcal{E}_{k}(t) / \mathcal{E}_{k}(0)$", fontsize=21)
     # force the figure redraw
     self.fig.canvas.draw()
     # call the update method (to speed-up visualization)
     self.timerEvent(None)
     # start timer, trigger event every 1000 millisecs (=1sec)
     self.timer = self.startTimer(1000)

class TrimCanvas(QtGui.QWidget):
    def __init__(self):
        super(TrimCanvas, self).__init__()
        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
        self.toolbar = NavigationToolbar2QT(self.canvas, self)
        self.frames = None
        self.data = None
        self.handles = None
        self.timedata = None
        self.interval = None

    def replot(self, mode):
        data = plots.raw(f_sampling, self.data)
        self.timedata = data['x_vector']
        data['legend'] = 'Tymczasowe nagranie'
        if mode == 'm':
            data['sliders'] = (self.timedata[-1]*0.1, self.timedata[-1]*0.1 + self.interval, self.interval)
            self.handles = plot_trimmable(self.figure, data)
        else:
            data['tight'] = True
            self.handles = plot_function(self.figure, data)
        self.canvas.draw()

    def clear_data(self):
        self.figure.clear()
        self.canvas.draw()
        self.frames = None
        self.data = None

    def data2frames(self):
        bytes = self.data.tobytes()
        self.frames = [bytes[i:i+2048] for i in range(0, len(bytes), 2048)]

class histpanel(QtGui.QWidget):
    def __init__(self,app):
        super(histpanel,self).__init__()
        self.layout =QtGui.QVBoxLayout()
        self.setLayout(self.layout )
        self.figure=plt.figure()
        self.canvas=FigureCanvas(self.figure)
   
        self.layout.addWidget(self.canvas)
        self.histdata=[]
        self.app=app
       
    def plot(self,datastr):
        data=json.loads(unicode(datastr))
        if "history" in data["data"]:
            self.histdata=np.array(data["data"]["history"])
            self.timestep(datastr)
         
    def timestep(self,resultstr):
        data=json.loads(unicode(resultstr))
        timestamp=data["data"]["stat"]["time"]
     
        if (   self.app.tab.currentIndex()==2 ):
            self.figure.clf()
            ax=self.figure.add_subplot(111)
            self.figure.set_frameon(False)
            ax.patch.set_alpha(0)
            ax.set_xlabel("Time [s]")
            ax.set_ylabel("Image Count")
            ppl.hist(ax,self.histdata-np.ceil(timestamp),bins=100,range=(-100,0))
            ax.set_xlim((-100,0))
            tstr= datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d %H:%M:%S')
            ax.set_title(tstr +", "+ str(data["data"]["stat"]['images processed'])+" Images Processed")

            self.canvas.draw()

    def __init__(self, map_, width, height, parent=None, dpi=100, **matplot_args):  # pylint: disable=W0613
        # self._widthHint = width
        # self._heightHint = height

        self._origMap = map_
        self._map = map_.resample((width, height))

        # Old way (segfaults in some environements)
        # self.figure = self._map.plot_simple(**matplot_args)
        # FigureCanvas.__init__(self, self.figure)

        self.figure = Figure()
        self._map.plot(figure=self.figure, basic_plot=True, **matplot_args)
        self.axes = self.figure.gca()
        FigureCanvas.__init__(self, self.figure)

        # How can we get the canvas to preserve its aspect ratio when expanding?
        # sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Preferred)
        # sizePolicy.setHeightForWidth(True)
        # self.setSizePolicy(sizePolicy)

        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)
        self.setSizePolicy(sizePolicy)
        self.setMinimumSize(QtCore.QSize(width, height))
        self.setMaximumSize(QtCore.QSize(width, height))

 def __init__(self,parent=None,width=5,height=4,dpi=100):
     figure = Figure(figsize=(width,height),dpi=dpi)
     FigureCanvas.__init__(self,figure)
     self.setParent(parent)
     self.axes = figure.add_subplot(111)
     self.axes.hold(False)
     self.axeX = [0]

class MainWidget(QtGui.QWidget):
    def __init__(self, parent=None):
        super(MainWidget, self).__init__(parent)

        # a figure instance to plot on
        self.figure = plt.figure()

        # this is the Canvas Widget that displays /embpyqt/python/the `figure`
        # it takes the `figure` instance as a parameter to __init__
        self.canvas = FigureCanvas(self.figure)

        # this is the Navigation widget
        # it takes the Canvas widget and a parent
        self.toolbar = NavigationToolbar(self.canvas, self)

        # Just some button connected to `plot` method
        self.button = QtGui.QPushButton('Plot')
        self.button.clicked.connect(self.plot)

        # set the layout
        layout = QtGui.QVBoxLayout()
        layout.addWidget(self.toolbar)
        layout.addWidget(self.canvas)
        layout.addWidget(self.button)
        self.setLayout(layout)

    def plot(self):
        ''' plot some random stuff '''
        # random data
        '''data = [random.random() for i in range(2)]

        # create an axis
        ax = self.figure.add_subplot(111)

        # discards the old graph
        ax.hold(False)

        # plot data
        ax.plot(data, '*-')'''
        m = Basemap(projection='robin',lon_0=0,resolution='c')#,latlon=True)
        m.bluemarble(scale=0.2)
        for friend in rpc.bridge.getFriendList():
          print ''
          pd = rpc.bridge.getPeerDetails(friend)
          print pd['name']
          print pd['extAddr']
          ld = gi.record_by_addr(pd['extAddr'])
          print ld
          if ld:
            print ld['latitude'],ld['longitude']
            x, y = m(ld['longitude'],ld['latitude'])
            #m.scatter(x, y,30,marker='o',color='k')
            plt.plot(x, y,'ro')
            plt.text(x,y,pd['name'],fontsize=9,
                    ha='center',va='top',color='r',
                    bbox = dict(boxstyle="square",ec='None',fc=(1,1,1,0.5)))
            #plt.text(x,y,pd['name'],fontsize=14,fontweight='bold',
            #        ha='center',va='center',color='r')
        # refresh canvas
        self.canvas.draw()

class Window(QtGui.QDialog):
    def __init__(self, parent=None):
        super(Window, self).__init__(parent)

        # a figure instance to plot on
        self.figure = plt.figure()

        self.canvas = FigureCanvas(self.figure)
        self.plot()

        # set the layout
        layout = QtGui.QVBoxLayout()
        layout.addWidget(self.canvas)
        self.setLayout(layout)

    def plot(self):
        ''' plot some random stuff '''
        # random data
        data = [random.random() for i in range(10)]

        # create an axis
        ax = self.figure.add_subplot(111)

        # discards the old graph
        ax.hold(False)

        # plot data
        ax.plot(data, '*-')

        # refresh canvas
        self.canvas.draw()

    def __init__(self, parent):

        self.parent = parent
        self.fig = Figure()
        self.ax = self.fig.add_subplot(111)
        FigureCanvas.__init__(self, self.fig)
        #self.cidPress = self.mpl_connect('button_press_event', self.onClick)
        #self.cidRelease = self.mpl_connect('button_release_event', self.onRelease)


        #self.X = np.random.rand(5,5)
        #rows,cols,self.slices = self.X.shape
        #self.Y = np.random.rand(5,5)
        #rows,cols,self.slices = self.X.shape
        
        newdata = np.ones(2*2)
        newarray = np.reshape(newdata, (2, 2))
        self.data = newarray

        
        #self.im = self.ax.matshow(self.X[:,:])
        #self.im = self.ax.matshow(self.data)
        self.update()
        
        self.fig.canvas.draw()

        self.cnt = 0
        
        self.setupSelector()

class PlotWidget(QWidget):
    """
    matplotlib plot widget
    """
    def __init__(self,parent):
        super(PlotWidget,self).__init__(parent)
        
        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
        self.toolbar = NavigationToolbar(self.canvas, self)
        
        self.ax = self.figure.add_subplot(111) # create an axis

        layout = QVBoxLayout()
        layout.addWidget(self.toolbar)
        layout.addWidget(self.canvas)
        self.setLayout(layout)      
       
    def clear(self):
        self.ax.cla()
        
    def test(self):
        """ plot random data """
        
        df = fakeData()
        
        #self.ax.hold(False) # discard old data
        #self.ax.plot(df,'o-')
        self.clear()
        df.plot(ax=self.ax)        
        
        self.canvas.draw()

    def __init__(self, parent=None,
                 size = (7,3.5),
                 dpi = 100,
                 logx = False,
                 logy = False,
                 legends = True,
                 bw = False):

        self.fig = Figure(figsize=size, dpi=dpi) #in inches
        FigureCanvas.__init__(self, self.fig)
        FigureCanvas.setSizePolicy(self,
                                   qt.QSizePolicy.Expanding,
                                   qt.QSizePolicy.Expanding)
        self.curveTable = None
        self.dpi=dpi
        ddict = {'logx':logx,
                 'logy': logy,
                 'legends':legends,
                 'bw':bw}
        self.ax=None
        self.curveList = []
        self.curveDict = {}
        self.setParameters(ddict)
        #self.setBlackAndWhiteEnabled(bw)
        #self.setLogXEnabled(logx)
        #self.setLogYEnabled(logy)
        #self.setLegendsEnabled(legends)

        self.xmin = None
        self.xmax = None
        self.ymin = None
        self.ymax = None
        self.limitsSet = False