def addcurve(self, key, index, title, scale, offset):
series = TimeSeries(key, self.props['plotinterval'], scale, offset,
self.props['plotwindow'], self)
series.init_empty()
curve = PlotCurve([currenttime()], [0], legend=title)
self.plotcurves[series] = curve
self.ncurves += 1
self.curves.append(curve)
self.axes.addCurves(curve)
self.series[key, index] = series
self.widget.update()
# record the current value at least every 5 seconds, to avoid curves
# not updating if the value doesn't change
def update():
series.synthesize_value()
self.ctimers[curve] = QTimer(singleShot=True)
self.ctimers[curve].timeout.connect(update)
def __init__(self, *args, **kwargs):
QtGui.QMainWindow.__init__(self, *args, **kwargs)
self._grw = InteractiveGRWidget()
self.setCentralWidget(self._grw)
viewport = [0.1, 0.88, 0.1, 0.88]
x = arange(0, 2 * pi, 0.01)
y = sin(x)
self.curve = PlotCurve(x, y)
axes = ScaledPlotAxes(viewport)
axes.addCurves(self.curve)
plot = Plot(viewport).addAxes(axes)
plot.title = "QtGR Timer example"
plot.subTitle = "Plotting Live-Data"
plot.xlabel = "t"
plot.ylabel = "sin(t)"
plot.autoscale = PlotAxes.SCALE_X | PlotAxes.SCALE_Y
self._grw.addPlot(plot)
timer = QtCore.QTimer(self)
timer.timeout.connect(self.updateData)
timer.start(40)
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
uic.loadUi(os.path.join(os.path.dirname(os.path.realpath(__file__)),
"qtgrdemo.ui"), self)
dictPrintType = dict(gr.PRINT_TYPE)
map(dictPrintType.pop, [gr.PRINT_JPEG, gr.PRINT_TIF])
self._saveTypes = (";;".join(dictPrintType.values()) + ";;" +
";;".join(gr.GRAPHIC_TYPE.values()))
self._saveName = None
self._title = unicode(self.windowTitle())
self._startupTime = time.time()
self._chkLogX.stateChanged.connect(self._logXClicked)
self._chkLogY.stateChanged.connect(self._logYClicked)
self._chkGrid.stateChanged.connect(self._gridClicked)
self._chkErr.stateChanged.connect(self._errorsClicked)
self._chkKeepRatio.stateChanged.connect(self._keepRatioClicked)
self._btnReset.clicked.connect(self._resetClicked)
self._btnPick.clicked.connect(self._pickClicked)
self._shell.returnPressed.connect(self._shellEx)
self._actionSave.triggered.connect(self.save)
self._actionPrint.triggered.connect(self.printGR)
self._gr.logXinDomain.connect(self._logXinDomain)
self._gr.logYinDomain.connect(self._logYinDomain)
self._gr.modePick.connect(self._pickModeChanged)
guiConn = GUIConnector(self._gr)
guiConn.connect(MouseEvent.MOUSE_MOVE, self.mouseMoveGr)
guiConn.connect(PickEvent.PICK_PRESS, self.pointPickGr)
guiConn.connect(LegendEvent.ROI_CLICKED, self.legendClick)
guiConn.connect(LegendEvent.ROI_OVER, self.legendOver)
x = [-3.3 + t * .1 for t in range(66)]
y = [t ** 5 - 13 * t ** 3 + 36 * t for t in x]
x2 = [-3.5 + i * .5 for i in range(0, 15)]
y2 = x2
dneg = map(lambda y: y - 0.25 * abs(y), y)
dpos = map(lambda y: y + 0.25 * abs(y), y)
self._errBar = ErrorBar(x, y, dneg, dpos)
self._curveFoo = PlotCurve(x, y, legend="foo bar")
axes = PlotAxes().addCurves(self._curveFoo)
axes.setXtickCallback(self._xtickCallBack)
self._plot = Plot((.1, .92, .2, .88)).addAxes(axes,
PlotAxes(drawX=False).plot(x2, y2))
self._plot.offsetXLabel = -.1
self._plot2 = Plot((.1, .95, .15, .88)).addAxes(PlotAxes().addCurves(PlotCurve(x2, y2,
legend="second")))
self._plot.title = "QtGR Demo"
self._plot.subTitle = "Multiple Axes Example"
self._plot.xlabel = "x"
self._plot.ylabel = "f(x)"
self._plot.setLegend(True)
self._gr.addPlot(self._plot)
self._plot2.title = "Second Widget"
self._plot2.subTitle = "Linear Example (less interactive)"
self._plot2.xlabel = "x2"
self._plot2.ylabel = "f2(x2)"
self._plot2.setLegend(True)
self._plot2.setGrid(False)
self._gr2.addPlot(self._plot2)
def __init__(self, *args, **kwargs):
PlotCurve.__init__(self, *args, **kwargs)
self._dependent = []
def drawGR(self):
PlotCurve.drawGR(self)
for dep in self.dependent:
if dep.visible:
dep.drawGR()
import gr from gr.pygr import Plot, PlotAxes, PlotCurve, Text tx, ty = 0, -20 x = [-3.3 + t * .1 for t in range(66)] y = [t**5 - 13 * t**3 + 36 * t for t in x] txtfmt = "Text drawn on\n(%g, %g) with\nhalign left, valign top" plt = Plot((.1, .95, .1, .88)) plt.title = "Text on Axes Example" plt.subTitle = "Show usage of gr.pygr.Text" plt.xlabel = "x" plt.ylabel = "y" curve = PlotCurve(x, y, legend="foo bar") axes = PlotAxes(plt.viewport).addCurves(curve) axes.setWindow(-4.0, 4.0, -60.0, 40.0) text = Text(tx, -ty, txtfmt % (tx, -ty), axes, .02) plt.addAxes(axes) text2 = Text(tx, ty, txtfmt % (tx, ty), axes, .02) tbx, tby = text2.getBoundingBox() plt.drawGR() text.drawGR() text2.drawGR() # set viewport and window accordingly to draw in NDC space gr.setviewport(0, axes.sizex, 0, axes.sizey) gr.setwindow(0, axes.sizex, 0, axes.sizey) gr.fillarea(tbx, tby)
def __init__(self, *args, **kwargs):
# fill values for masked x, y
self.fillx = kwargs.pop('fillx', 0)
self.filly = kwargs.pop('filly', 0)
PlotCurve.__init__(self, *args, **kwargs)
def drawGR(self):
gr.setmarkersize(self._markersize)
PlotCurve.drawGR(self)
