def setPlotWidget(self):
self.plotWidget = QwtPlot(self.plotFrame)
sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(1)
sizePolicy.setHeightForWidth(
self.plotWidget.sizePolicy().hasHeightForWidth())
self.plotWidget.setSizePolicy(sizePolicy)
self.plotWidget.setMinimumSize(QSize(0, 0))
self.plotWidget.setAutoFillBackground(False)
self.plotWidget.setCanvasBackground(Qt.white)
self.plotWidget.plotLayout().setAlignCanvasToScales(True)
zoomer = QwtPlotZoomer(QwtPlot.xBottom, QwtPlot.yLeft,
QwtPicker.DragSelection, QwtPicker.AlwaysOff,
self.plotWidget.canvas())
zoomer.setRubberBandPen(QPen(Qt.blue))
# The pen to draw zone of zooming.
picker = QwtPlotPicker(QwtPlot.xBottom, QwtPlot.yLeft,
QwtPicker.NoSelection,
QwtPlotPicker.CrossRubberBand,
QwtPicker.AlwaysOn, self.plotWidget.canvas())
picker.setTrackerPen(QPen(Qt.green))
grid = QwtPlotGrid()
grid.setPen(QPen(QColor('grey'), 0, Qt.DotLine))
grid.attach(self.plotWidget)
layout = self.plotLayout
layout.addWidget(self.plotWidget)
def __init__(self, parent):
QMainWindow.__init__(self, parent)
DlgUtils.__init__(self, 'Live data')
self.panel = parent
layout1 = QVBoxLayout()
self.plot = QwtPlot(self)
layout1.addWidget(self.plot)
self.curve = QwtPlotCurve()
self.curve.setRenderHint(QwtPlotCurve.RenderAntialiased)
self.curve.attach(self.plot)
self.marker = QwtPlotMarker()
self.marker.attach(self.plot)
self.markerpen = QPen(Qt.red)
self.marker.setSymbol(
QwtSymbol(QwtSymbol.Ellipse, QBrush(), self.markerpen, QSize(7,
7)))
self.zoomer = QwtPlotZoomer(self.plot.canvas())
self.zoomer.setMousePattern(QwtPlotZoomer.MouseSelect3, Qt.NoButton)
self.picker = QwtPlotPicker(self.plot.canvas())
self.picker.setSelectionFlags(QwtPlotPicker.PointSelection
| QwtPlotPicker.ClickSelection)
self.picker.setMousePattern(QwtPlotPicker.MouseSelect1, Qt.MidButton)
self.picker.selected.connect(self.pickerSelected)
layout2 = QHBoxLayout()
layout2.addWidget(QLabel('Scale:', self))
self.scale = QComboBox(self)
self.scale.addItems([
'Single detectors, sorted by angle',
'Scattering angle 2theta (deg)', 'Q value (A-1)'
])
self.scale.currentIndexChanged[int].connect(self.scaleChanged)
layout2.addWidget(self.scale)
layout2.addStretch()
self.scaleframe = QFrame(self)
self.scaleframe.setLayout(layout2)
self.scaleframe.setVisible(False)
layout1.addWidget(self.scaleframe)
mainframe = QFrame(self)
mainframe.setLayout(layout1)
self.setCentralWidget(mainframe)
self.setContentsMargins(6, 6, 6, 6)
plotfont = scaledFont(self.font(), 0.7)
self.plot.setAxisFont(QwtPlot.xBottom, plotfont)
self.plot.setAxisFont(QwtPlot.yLeft, plotfont)
self.plot.setCanvasBackground(Qt.white)
self.resize(800, 200)
self._detinfo = None
self._anglemap = None
self._infowindow = None
self._infolabel = None
self._xs = self._ys = None
self._type = None
def changePlotWidget(self, library, frame_for_plot):
if library == "Qwt5" and has_qwt:
plotWdg = QwtPlot(frame_for_plot)
sizePolicy = QSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
plotWdg.sizePolicy().hasHeightForWidth())
plotWdg.setSizePolicy(sizePolicy)
plotWdg.setMinimumSize(QSize(0, 0))
plotWdg.setAutoFillBackground(False)
#Decoration
plotWdg.setCanvasBackground(Qt.white)
plotWdg.plotLayout().setAlignCanvasToScales(True)
zoomer = QwtPlotZoomer(QwtPlot.xBottom, QwtPlot.yLeft,
QwtPicker.DragSelection,
QwtPicker.AlwaysOff, plotWdg.canvas())
zoomer.setRubberBandPen(QPen(Qt.blue))
if platform.system() != "Windows":
# disable picker in Windows due to crashes
picker = QwtPlotPicker(QwtPlot.xBottom, QwtPlot.yLeft,
QwtPicker.NoSelection,
QwtPlotPicker.CrossRubberBand,
QwtPicker.AlwaysOn, plotWdg.canvas())
picker.setTrackerPen(QPen(Qt.green))
#self.dockwidget.qwtPlot.insertLegend(QwtLegend(), QwtPlot.BottomLegend);
grid = Qwt.QwtPlotGrid()
grid.setPen(QPen(QColor('grey'), 0, Qt.DotLine))
grid.attach(plotWdg)
return plotWdg
elif library == "Matplotlib" and has_mpl:
from matplotlib.figure import Figure
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
fig = Figure((1.0, 1.0),
linewidth=0.0,
subplotpars=matplotlib.figure.SubplotParams(left=0,
bottom=0,
right=1,
top=1,
wspace=0,
hspace=0))
font = {'family': 'arial', 'weight': 'normal', 'size': 12}
matplotlib.rc('font', **font)
rect = fig.patch
rect.set_facecolor((0.9, 0.9, 0.9))
self.subplot = fig.add_axes((0.07, 0.15, 0.92, 0.82))
self.subplot.set_xbound(0, 1000)
self.subplot.set_ybound(0, 1000)
self.manageMatplotlibAxe(self.subplot)
canvas = FigureCanvasQTAgg(fig)
sizePolicy = QSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
canvas.setSizePolicy(sizePolicy)
return canvas
