Python QwtPlot.setSizePolicy方法代碼示例

本文整理匯總了Python中PyQt4.Qwt5.QwtPlot.setSizePolicy方法的典型用法代碼示例。如果您正苦於以下問題：Python QwtPlot.setSizePolicy方法的具體用法？Python QwtPlot.setSizePolicy怎麽用？Python QwtPlot.setSizePolicy使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類PyQt4.Qwt5.QwtPlot的用法示例。

在下文中一共展示了QwtPlot.setSizePolicy方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: ValueWidget

# 需要導入模塊: from PyQt4.Qwt5 import QwtPlot [as 別名]
# 或者: from PyQt4.Qwt5.QwtPlot import setSizePolicy [as 別名]
class ValueWidget(QWidget, Ui_Widget):

    def __init__(self, iface):

        self.hasqwt=hasqwt
        self.hasmpl=hasmpl
        self.layerMap=dict()
        self.statsChecked=False
        self.ymin=0
        self.ymax=250

        self.iface=iface
        self.canvas=self.iface.mapCanvas()
        self.legend=self.iface.legendInterface()
        self.logger = logging.getLogger('.'.join((__name__, 
                                        self.__class__.__name__)))

        QWidget.__init__(self)
        self.setupUi(self)
        self.setupUi_extra()

        QObject.connect(self.cbxActive,SIGNAL("stateChanged(int)"),self.changeActive)
        QObject.connect(self.cbxGraph,SIGNAL("stateChanged(int)"),self.changePage)
        QObject.connect(self.canvas, SIGNAL( "keyPressed( QKeyEvent * )" ), self.pauseDisplay )
        QObject.connect(self.plotSelector, SIGNAL( "currentIndexChanged ( int )" ), self.changePlot )

    def setupUi_extra(self):

        # checkboxes
        #self.changeActive(Qt.Checked)
        #set inactive by default - should save last state in user config
        self.cbxActive.setCheckState(Qt.Unchecked)

        # plot
        self.plotSelector.setVisible( False )
        self.cbxStats.setVisible( False )
        self.graphControls.setVisible( False )
        if self.hasqwt:
            self.plotSelector.addItem( 'Qwt' )
        if self.hasmpl:
            self.plotSelector.addItem( 'mpl' )
        self.plotSelector.setCurrentIndex( 0 );
        if (not self.hasqwt or not self.hasmpl):
            #self.plotSelector.setVisible(False)
            self.plotSelector.setEnabled(False)

        # Page 2 - qwt
        if self.hasqwt:
            self.qwtPlot = QwtPlot(self.stackedWidget)
            self.qwtPlot.setAutoFillBackground(False)
            self.qwtPlot.setObjectName("qwtPlot")
            self.curve = QwtPlotCurve()
            self.curve.setSymbol(
                QwtSymbol(QwtSymbol.Ellipse,
                          QBrush(Qt.white),
                          QPen(Qt.red, 2),
                          QSize(9, 9)))
            self.curve.attach(self.qwtPlot)
            self.qwtPlot.setVisible(False)
        else:
            self.qwtPlot = QtGui.QLabel("Need Qwt >= 5.0 or matplotlib >= 1.0 !")

        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.qwtPlot.sizePolicy().hasHeightForWidth())
        self.qwtPlot.setSizePolicy(sizePolicy)
        self.qwtPlot.setObjectName("qwtPlot")
        self.qwtPlot.updateGeometry()
        self.stackedWidget.addWidget(self.qwtPlot)

        #Page 3 - matplotlib
        self.mplLine = None #make sure to invalidate when layers change
        if self.hasmpl:
            # mpl stuff
            # should make figure light gray
            self.mplBackground = None #http://www.scipy.org/Cookbook/Matplotlib/Animations
            self.mplFig = plt.Figure(facecolor='w', edgecolor='w')
            self.mplFig.subplots_adjust(left=0.1, right=0.975, bottom=0.13, top=0.95)
            self.mplPlt = self.mplFig.add_subplot(111)   
            self.mplPlt.tick_params(axis='both', which='major', labelsize=12)
            self.mplPlt.tick_params(axis='both', which='minor', labelsize=10)                           
            # qt stuff
            self.pltCanvas = FigureCanvasQTAgg(self.mplFig)
            self.pltCanvas.setParent(self.stackedWidget)
            self.pltCanvas.setAutoFillBackground(False)
            self.pltCanvas.setObjectName("mplPlot")
            self.mplPlot = self.pltCanvas
            self.mplPlot.setVisible(False)
        else:
            self.mplPlot = QtGui.QLabel("Need Qwt >= 5.0 or matplotlib >= 1.0 !")

        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.mplPlot.sizePolicy().hasHeightForWidth())
        self.mplPlot.setSizePolicy(sizePolicy)
        self.qwtPlot.setObjectName("qwtPlot")
        self.mplPlot.updateGeometry()
        self.stackedWidget.addWidget(self.mplPlot)
#.........這裏部分代碼省略.........

開發者ID:blazek，項目名稱:valuetool，代碼行數:103，代碼來源:valuewidget.py

示例2: ValueWidget

# 需要導入模塊: from PyQt4.Qwt5 import QwtPlot [as 別名]
# 或者: from PyQt4.Qwt5.QwtPlot import setSizePolicy [as 別名]
class ValueWidget(QWidget, Ui_Widget):

    def __init__(self, iface):

        self.hasqwt=hasqwt
        self.hasmpl=hasmpl
        self.layerMap=dict()
        self.statsChecked=False
        self.ymin=0
        self.ymax=250
        self.isActive=False

        # Statistics (>=1.9)
        self.statsSampleSize = 2500000
        self.stats = {} # stats per layer

        self.layersSelected=[]
        self.layerBands=dict()

        self.iface=iface
        self.canvas=self.iface.mapCanvas
        self.legend=self.iface.legendInterface()
        self.logger = logging.getLogger('.'.join((__name__, 
                                        self.__class__.__name__)))

        QWidget.__init__(self)
        self.setupUi(self)
        self.tabWidget.setEnabled(False)
        self.cbxClick.setChecked( QSettings().value('plugins/valuetool/mouseClick', False, type=bool ) )

        #self.setupUi_plot()
        #don't setup plot until Plot tab is clicked - workaround for bug #7450
        #qgis will still crash in some cases, but at least the tool can be used in Table mode
        self.qwtPlot = None
        self.mplPlot = None
        self.mplLine = None

        QObject.connect(self.plotSelector, SIGNAL( "currentIndexChanged ( int )" ), self.changePlot )
        QObject.connect(self.tabWidget, SIGNAL( "currentChanged ( int )" ), self.tabWidgetChanged )
        QObject.connect(self.cbxLayers, SIGNAL( "currentIndexChanged ( int )" ), self.updateLayers )
        QObject.connect(self.cbxBands, SIGNAL( "currentIndexChanged ( int )" ), self.updateLayers )
        QObject.connect(self.tableWidget2, SIGNAL("cellChanged ( int , int )"), self.layerSelected)

    def setupUi_plot(self):

        # plot
        self.plotSelector.setVisible( False )
        self.cbxStats.setVisible( False )
        # stats by default because estimated are fast
        self.cbxStats.setChecked( True )
        self.plotSelector.addItem( 'Qwt' )
        self.plotSelector.addItem( 'mpl' )

        # Page 2 - qwt
        if self.hasqwt:
            self.qwtPlot = QwtPlot(self.stackedWidget)
            self.qwtPlot.setAutoFillBackground(False)
            self.qwtPlot.setObjectName("qwtPlot")
            self.curve = QwtPlotCurve()
            self.curve.setSymbol(
                QwtSymbol(QwtSymbol.Ellipse,
                          QBrush(Qt.white),
                          QPen(Qt.red, 2),
                          QSize(9, 9)))
            self.curve.attach(self.qwtPlot)
        else:
            self.qwtPlot = QtGui.QLabel("Need Qwt >= 5.0 or matplotlib >= 1.0 !")

        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.qwtPlot.sizePolicy().hasHeightForWidth())
        self.qwtPlot.setSizePolicy(sizePolicy)
        self.qwtPlot.updateGeometry()
        self.stackedWidget.addWidget(self.qwtPlot)

        #Page 3 - matplotlib
        self.mplLine = None #make sure to invalidate when layers change
        if self.hasmpl:
            # mpl stuff
            # should make figure light gray
            self.mplBackground = None #http://www.scipy.org/Cookbook/Matplotlib/Animations
            self.mplFig = plt.Figure(facecolor='w', edgecolor='w')
            self.mplFig.subplots_adjust(left=0.1, right=0.975, bottom=0.13, top=0.95)
            self.mplPlt = self.mplFig.add_subplot(111)   
            self.mplPlt.tick_params(axis='both', which='major', labelsize=12)
            self.mplPlt.tick_params(axis='both', which='minor', labelsize=10)                           
            # qt stuff
            self.pltCanvas = FigureCanvasQTAgg(self.mplFig)
            self.pltCanvas.setParent(self.stackedWidget)
            self.pltCanvas.setAutoFillBackground(False)
            self.pltCanvas.setObjectName("mplPlot")
            self.mplPlot = self.pltCanvas
        else:
            self.mplPlot = QtGui.QLabel("Need Qwt >= 5.0 or matplotlib >= 1.0 !")

        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding,QtGui.QSizePolicy.Expanding)
        sizePolicy.setHorizontalStretch(0)
        sizePolicy.setVerticalStretch(0)
        sizePolicy.setHeightForWidth(self.mplPlot.sizePolicy().hasHeightForWidth())
#.........這裏部分代碼省略.........

開發者ID:waneric，項目名稱:PyMapLib，代碼行數:103，代碼來源:valuewidget.py

注：本文中的PyQt4.Qwt5.QwtPlot.setSizePolicy方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。