Python NavigationToolbar2QTAgg.zoom方法代码示例

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
class Window(QtGui.QDialog):
    def __init__(self, parent=None):
        super(Window, self).__init__(parent)
 
        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
 
         
        self.toolbar = NavigationToolbar(self.canvas, self)
        # self.toolbar.hide()
 
        # Just some button 
        self.button = QtGui.QPushButton('Plot')
        self.button.clicked.connect(self.plot)
 
        self.button1 = QtGui.QPushButton('Zoom')
        self.button1.clicked.connect(self.zoom)
         
        self.button2 = QtGui.QPushButton('Pan')
        self.button2.clicked.connect(self.pan)
         
        self.button3 = QtGui.QPushButton('Home')
        self.button3.clicked.connect(self.home)
 
 
        # set the layout
        layout = QtGui.QVBoxLayout()
        layout.addWidget(self.toolbar)
        layout.addWidget(self.canvas)
        layout.addWidget(self.button)
        layout.addWidget(self.button1)
        layout.addWidget(self.button2)
        layout.addWidget(self.button3)
        self.setLayout(layout)
 
    def home(self):
        self.toolbar.home()
    def zoom(self):
        self.toolbar.zoom()
    def pan(self):
        self.toolbar.pan()
         
    def plot(self):
        ''' plot some random stuff '''
        data = [random.random() for i in range(25)]
        ax = self.figure.add_subplot(211)
        ax.hold(False)
        ax.plot(data, '*-')

        bx = self.figure.add_subplot(212)
        bx.hold(False)
        bx.plot(data, '*-')

        self.canvas.draw()

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
class MPlotWidget(QtGui.QWidget):
    def __init__(self, parent=None):
        super(MPlotWidget, self).__init__(parent)

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

        self.toolbar = NavigationToolbar(self.canvas, self)
        self.toolbar.hide()

        self.plotbutton = QtGui.QPushButton('Plot')

        self.zoombutton = QtGui.QPushButton('Zoom')
        self.zoombutton.clicked.connect(self.zoom)

        self.panbutton = QtGui.QPushButton('Pan')
        self.panbutton.clicked.connect(self.pan)

        self.homebutton = QtGui.QPushButton('Home')
        self.homebutton.clicked.connect(self.home)

        self.savebutton = QtGui.QPushButton('Save')
        self.savebutton.clicked.connect(self.save)

        layout = QtGui.QVBoxLayout()

        layout.addWidget(self.toolbar)
        layout.addWidget(self.canvas)

        buttonbox = QtGui.QHBoxLayout()
        buttonbox.addWidget(self.plotbutton)
        buttonbox.addWidget(self.zoombutton)
        buttonbox.addWidget(self.panbutton)
        buttonbox.addWidget(self.homebutton)
        buttonbox.addWidget(self.savebutton)

        layout.addLayout(buttonbox)
        self.setLayout(layout)

        self.ax = self.figure.add_subplot(111)
        self.ax.hold(False)

    def home(self):
        self.toolbar.home()
    def zoom(self):
        self.toolbar.zoom()
    def pan(self):
        self.toolbar.pan()
    def save(self):
        self.figure.savefig('1.png')

    """

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
    def zoom(self, *args):
        """
        Turn on/off zoom (zoom button)
        :param args:
        :return:
        """
        NavigationToolbar2.zoom(self, args)

        if self._navigationMode == MyNavigationToolbar.NAVIGATION_MODE_ZOOM:
            # out of zoom mode
            self._navigationMode = MyNavigationToolbar.NAVIGATION_MODE_NONE
        else:
            # into zoom mode
            self._navigationMode = MyNavigationToolbar.NAVIGATION_MODE_ZOOM

        return

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
	def zoom( self, *args ):
		self.resetActionsState( self.zoomAction )
		NavigationToolbar2QTAgg.zoom( self, *args )

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]

#.........这里部分代码省略.........
        self.plot_recarray(self.axes, self.level_masl_ts, obsid + unicode(' logger', 'utf-8'), logger_line_style, 10)

        #Plot the original head_cm
        if self.plot_logger_head.isChecked():
            self.plot_recarray(self.axes, self.head_ts, obsid + unicode(' original logger head', 'utf-8'), logger_line_style, 10)

        """ Finish plot """
        self.axes.grid(True)
        self.axes.yaxis.set_major_formatter(tick.ScalarFormatter(useOffset=False, useMathText=False))
        self.calibrplotfigure.autofmt_xdate()
        self.axes.set_ylabel(unicode('Level (masl)', 'utf-8'))  #This is the method that accepts even national characters ('åäö') in matplotlib axes labels
        self.axes.set_title(unicode('Calibration plot for ', 'utf-8') + str(obsid))  #This is the method that accepts even national characters ('åäö') in matplotlib axes labels
        for label in self.axes.xaxis.get_ticklabels():
            label.set_fontsize(10)
        for label in self.axes.yaxis.get_ticklabels():
            label.set_fontsize(10)
        #plt.show()
        self.canvas.draw()
        plt.close(self.calibrplotfigure)#this closes reference to self.calibrplotfigure
        PyQt4.QtGui.QApplication.restoreOverrideCursor()
        self.calib_help.setText("")

    def plot_recarray(self, axes, a_recarray, lable, line_style, picker=10):
        """ Plots a recarray to the supplied axes object """
        # Get help from function datestr2num to get date and time into float
        myTimestring = [a_recarray.date_time[idx] for idx in xrange(len(a_recarray))]
        numtime=datestr2num(myTimestring)  #conv list of strings to numpy.ndarray of floats
        axes.plot_date(numtime, a_recarray.values, line_style, label=lable, picker=picker)

    def set_from_date_from_x(self):
        """ Used to set the self.FromDateTime by clicking on a line node in the plot self.canvas """
        self.reset_plot_selects_and_calib_help()
        self.calib_help.setText("Select a node to use as \"from\"")
        self.deactivate_pan_zoom()
        self.canvas.setFocusPolicy(Qt.ClickFocus)
        self.canvas.setFocus()   
        self.cid.append(self.canvas.mpl_connect('pick_event', lambda event: self.set_date_from_x_onclick(event, self.FromDateTime)))

    def set_to_date_from_x(self):
        """ Used to set the self.ToDateTime by clicking on a line node in the plot self.canvas """    
        self.reset_plot_selects_and_calib_help()
        self.calib_help.setText("Select a node to use as \"to\"")
        self.deactivate_pan_zoom()
        self.canvas.setFocusPolicy(Qt.ClickFocus)
        self.canvas.setFocus()   
        self.cid.append(self.canvas.mpl_connect('pick_event', lambda event: self.set_date_from_x_onclick(event, self.ToDateTime)))

    def set_date_from_x_onclick(self, event, date_holder):
        """ Sets the date_holder to a date from a line node closest to the pick event

            date_holder: a QDateTimeEdit object.
        """
        found_date = utils.find_nearest_date_from_event(event)
        date_holder.setDateTime(found_date)           
        self.reset_plot_selects_and_calib_help()
    
    def reset_plot_selects_and_calib_help(self):
        """ Reset self.cid and self.calib_help """
        self.reset_cid()
        self.log_pos = None
        self.y_pos = None
        self.calib_help.setText("")

    def reset_cid(self):
        """ Resets self.cid to an empty list and disconnects unused events """
        for x in self.cid:

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
class Window(QtGui.QDialog):
    def __init__(self, parent=None):
        super(Window, self).__init__(parent)

        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
        self.canvas.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)

        self.toolbar = NavigationToolbar(self.canvas, self)
        self.toolbar.hide()

        # Timestream info
        self.timestreamLabel = QtGui.QLabel('Time-stream root path:')
        self.timestreamText = QtGui.QLineEdit('')
        self.timestreamText.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)

        self.timestreamDateLabel = QtGui.QLabel('Start date (yyyy_mm_dd_hh_mm_ss):')
        self.timestreamDateText = QtGui.QLineEdit('')
        self.timestreamDateText.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)

        self.timestreamTimeLabel = QtGui.QLabel('Time interval (seconds):')
        self.timestreamTimeText = QtGui.QLineEdit('')
        self.timestreamTimeText.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)

        self.initStreamTimeButton = QtGui.QPushButton('&Initialise timestream by time')
        self.initStreamTimeButton.clicked.connect(self.initialiseTimestreamByTime)

        self.initStreamFileButton = QtGui.QPushButton('&Initialise timestream by files')
        self.initStreamFileButton.clicked.connect(self.initialiseTimestreamByFiles)

        # Image loading and processing
        self.loadImageButton = QtGui.QPushButton('&Load (next) image')
        self.loadImageButton.clicked.connect(self.loadImage)

        self.rotateImageButton = QtGui.QPushButton('&Rotate 90-deg')
        self.rotateImageButton.clicked.connect(self.rotateImage90Degrees)

        self.slider = QtGui.QSlider(QtCore.Qt.Horizontal)
        self.slider.setFocusPolicy(QtCore.Qt.StrongFocus)
        self.slider.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Fixed)
        self.slider.setTickPosition(QtGui.QSlider.TicksBothSides)
        self.slider.setMinimum(-16)
        self.slider.setMaximum(16)
        self.slider.setValue(0)
        self.slider.setTickInterval(4)
        self.slider.setSingleStep(1)
        self.slider.valueChanged.connect(self.rotateSmallAngle)

        self.applySmallRotationButton = QtGui.QPushButton('&Apply')
        self.applySmallRotationButton.clicked.connect(self.applySmallRotation)

        self.loadCamCalibButton = QtGui.QPushButton('Load &cam. param.')
        self.loadCamCalibButton.clicked.connect(self.loadCamCalib)

        self.colorcardRadioButton = QtGui.QRadioButton('Select color car&d')
        self.colorcardRadioButton.setChecked(False)
        self.colorcardRadioButton.clicked.connect(self.selectWhat)

        self.trayRadioButton = QtGui.QRadioButton('Select &tray')
        self.trayRadioButton.setChecked(False)
        self.trayRadioButton.clicked.connect(self.selectWhat)

        self.trayRoundCheckBox = QtGui.QCheckBox('Round')
        self.trayRoundCheckBox.setChecked(True)

        self.potRadioButton = QtGui.QRadioButton('Select &pot')
        self.potRadioButton.setChecked(False)
        self.potRadioButton.clicked.connect(self.selectWhat)

        self.zoomButton = QtGui.QPushButton('&Zoom')
        self.zoomButton.setCheckable(True)
        self.zoomButton.clicked.connect(self.zoom)

        self.panButton = QtGui.QPushButton('&Pan')
        self.panButton.setCheckable(True)
        self.panButton.clicked.connect(self.pan)

        self.homeButton = QtGui.QPushButton('&Home')
        self.homeButton.clicked.connect(self.home)

        self.correctColorButton = QtGui.QPushButton('Correct colo&r')
        self.correctColorButton.clicked.connect(self.correctColor)

        self.save2PipelineButton = QtGui.QPushButton('&Save as pipeline settings')
        self.save2PipelineButton.clicked.connect(self.savePipelineSettings)

        self.testPipelineButton = QtGui.QPushButton('Test &pipeline processing')
        self.testPipelineButton.clicked.connect(self.testPipeline)

        self.status = QtGui.QTextEdit('')
        self.status.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
        self.mousePosition = QtGui.QLabel('')

        # set the layout
        layout = QtGui.QHBoxLayout()
        rightWidget = QtGui.QWidget()
        buttonlayout = QtGui.QVBoxLayout(rightWidget)
        buttonlayout.addWidget(self.timestreamLabel)
        buttonlayout.addWidget(self.timestreamText)
        buttonlayout.addWidget(self.timestreamDateLabel)
#.........这里部分代码省略.........

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
 def zoom(self, *args) :
     print 'Zoom is clicked'
     NavigationToolbar.zoom(self)
     fig = self.canvas.figure
     if fig.ntbZoomIsOn : fig.ntbZoomIsOn = False
     else               : fig.ntbZoomIsOn = True

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
 def zoom(self, *args) :
     print 'Zoom is clicked'
     NavigationToolbar.zoom(self)

# 需要导入模块: from matplotlib.backends.backend_qt4agg import NavigationToolbar2QTAgg [as 别名]
# 或者: from matplotlib.backends.backend_qt4agg.NavigationToolbar2QTAgg import zoom [as 别名]
class Window(QtGui.QDialog):
    def __init__(self, parent=None):
        super(Window, self).__init__(parent)
 
        self.figure = plt.figure()
        self.canvas = FigureCanvas(self.figure)
        self.canvas.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
         
        self.toolbar = NavigationToolbar(self.canvas, self)
        self.toolbar.hide()
 
        # Just some button 
        self.colorcardRadioButton = QtGui.QRadioButton('Select color car&d')
        self.colorcardRadioButton.setChecked(False)
        self.colorcardRadioButton.clicked.connect(self.selectWhat)
        
        self.trayRadioButton = QtGui.QRadioButton('Select &tray')
        self.trayRadioButton.setChecked(False)
        self.trayRadioButton.clicked.connect(self.selectWhat)

        self.potRadioButton = QtGui.QRadioButton('Select &pot')
        self.potRadioButton.setChecked(False)
        self.potRadioButton.clicked.connect(self.selectWhat)

        self.loadImageButton = QtGui.QPushButton('&Load image')
        self.loadImageButton.clicked.connect(self.loadImage)
 
        self.rotateImageButton = QtGui.QPushButton('&Rotate 90-deg')
        self.rotateImageButton.clicked.connect(self.rotateImage90Degrees)
 
        self.loadCamCalibButton = QtGui.QPushButton('Load &cam. param.')
        self.loadCamCalibButton.clicked.connect(self.loadCamCalib)
 
        self.saveGeometriesButton = QtGui.QPushButton('&Save selected geometries')
        self.saveGeometriesButton.clicked.connect(self.saveSelectedGeometries)
 
        self.saveTraysButton = QtGui.QPushButton('&Save selected tray images')
        self.saveTraysButton.clicked.connect(self.saveSelectedTrayImages)
 
        self.saveColorcadButton = QtGui.QPushButton('&Save sel. col. card images')
        self.saveColorcadButton.clicked.connect(self.saveSelectedColorcardImages)
 
        self.save2PipelineButton = QtGui.QPushButton('&Save as pipeline settings')
        self.save2PipelineButton.clicked.connect(self.savePipelineSettings)
 
        self.zoomButton = QtGui.QPushButton('&Zoom')
        self.zoomButton.setCheckable(True)
        self.zoomButton.clicked.connect(self.zoom)
         
        self.panButton = QtGui.QPushButton('&Pan')
        self.panButton.setCheckable(True)
        self.panButton.clicked.connect(self.pan)
         
        self.homeButton = QtGui.QPushButton('&Home')
        self.homeButton.clicked.connect(self.home)
        
        self.status = QtGui.QTextEdit('')
        self.status.setSizePolicy(QtGui.QSizePolicy.Preferred, QtGui.QSizePolicy.Expanding)
        self.mousePosition = QtGui.QLabel('')
 
        # set the layout
        layout = QtGui.QHBoxLayout()
        rightWidget = QtGui.QWidget()
        buttonlayout = QtGui.QVBoxLayout(rightWidget)
        buttonlayout.addWidget(self.loadImageButton)
        buttonlayout.addWidget(self.rotateImageButton)
        buttonlayout.addWidget(self.loadCamCalibButton)
        buttonlayout.addWidget(self.colorcardRadioButton)
        buttonlayout.addWidget(self.trayRadioButton)
        buttonlayout.addWidget(self.potRadioButton)
        buttonlayout.addWidget(self.zoomButton)
        buttonlayout.addWidget(self.panButton)
        buttonlayout.addWidget(self.homeButton)
        buttonlayout.addWidget(self.saveGeometriesButton)
        buttonlayout.addWidget(self.saveColorcadButton)
        buttonlayout.addWidget(self.saveTraysButton)
        buttonlayout.addWidget(self.save2PipelineButton)
        buttonlayout.addWidget(self.status)
        buttonlayout.addWidget(self.mousePosition)
        rightWidget.setMaximumWidth(200)
        leftLayout = QtGui.QVBoxLayout()
        leftLayout.addWidget(self.toolbar)
        leftLayout.addWidget(self.canvas)

        layout.addWidget(rightWidget)
        layout.addLayout(leftLayout)
        self.setLayout(layout)
 
        self.group = QtGui.QButtonGroup()
        self.group.addButton(self.colorcardRadioButton)
        self.group.addButton(self.trayRadioButton) 
        self.group.addButton(self.potRadioButton) 
        
        self.panMode = False
        self.zoomMode = False
        
        self.ax = None
        self.plotRect = None
        self.plotImg = None
        self.image = None
#.........这里部分代码省略.........