import numpy
from taurus.qt.qtgui.tpg import Y2ViewBox, CurvesPropertiesTool
if __name__ == "__main__":
import sys
app = Qt.QApplication([])
w = pg.PlotWidget()
# add Y2 viewbox (provides a ViewBox associated to bottom & right axes)
y2 = Y2ViewBox()
y2.attachToPlotItem(w.getPlotItem())
# add a data item to Y1 (just as you would normally)
c1 = pg.PlotDataItem(name="c1", pen="c")
c1.setData(y=numpy.linspace(0, 20, 250))
w.addItem(c1)
# add a data item to Y2 (similar, but adding it to the secondary ViewBox!)
c2 = pg.PlotDataItem(name="c2", pen="y")
c2.setData(y=numpy.random.rand(250))
y2.addItem(c2) # <- note that it is y2, not w !
# (optional) add CurvesPropertiesTool to switch curves between Y1 and Y2
t = CurvesPropertiesTool()
t.attachToPlotItem(w.getPlotItem(), y2=y2)
w.show()
sys.exit(app.exec_())
)
from taurus.core.taurusmanager import TaurusManager
taurusM = TaurusManager()
taurusM.changeDefaultPollingPeriod(1000) # ms
app = TaurusApplication()
# a standard pyqtgraph plot_item
axis = DateAxisItem(orientation="bottom")
w = pg.PlotWidget()
axis.attachToPlotItem(w.getPlotItem())
cp = CurvesPropertiesTool()
cp.attachToPlotItem(w.getPlotItem())
autopan = XAutoPanTool()
autopan.attachToPlotItem(w.getPlotItem())
# add legend to the plot, for that we have to give a name to plot items
w.addLegend()
# adding a taurus data item...
c2 = TaurusTrendSet(name="foo")
c2.setModel("eval:rand(2)")
# c2.setForcedReadPeriod(500)
w.addItem(c2)
# ...and remove it after a while
y2ViewBox = Y2ViewBox()
y2ViewBox.attachToPlotItem(w.getPlotItem())
# adding a regular data item (non-taurus)
c1 = pg.PlotDataItem(
name='st plot',
pen=dict(color='y', width=3, style=QtCore.Qt.DashLine),
fillLevel=0.3,
fillBrush='g'
)
c1.setData(numpy.arange(300)/300.)
w.addItem(c1)
# adding a taurus data item
c2 = TaurusPlotDataItem(name='st2 plot', pen='r', symbol='o',
symbolSize=10)
c2.setModel('sys/tg_test/1/wave')
w.addItem(c2)
# attach tool to plot item of the PlotWidget
tool = CurvesPropertiesTool()
tool.attachToPlotItem(w.getPlotItem(), y2=y2ViewBox)
w.show()
# directly trigger the tool
tool.trigger ()
sys.exit(app.exec_())