remove this line
self.p1.showGrid(x = True, y = True ,alpha = 0.3)
and use this
self.p1.getAxis("left").setGrid(255)
On Thursday, 29 September 2016 17:03:31 UTC-4, MudloggerMike wrote:
>
>
> <https://lh3.googleusercontent.com/-43mjlS_ftvM/V-2BZ3fBIpI/AAAAAAAAAB4/JtUbgQ22fwQyvOUp42oX-kRdGqIdXJZ_ACLcB/s1600/plot.png>
> I modified the code from one of the multiple axes plot examples that I
> found on the Internet. The plot is embedded in a graphicsView widget that I
> promoted to a PlotWidget. When I call showGrid for the p1 axis (as shown on
> line 21 in the code below). I end up with a grid for both p1 and p2 axes. I
> am sure there is a way to plot just the grid for p1. I've looked through
> all of the docs and posts and can't find anything about this. Any help
> would be greatly appreciated.
>
>
> #imports
> from PyQt4 import QtGui
> #from PyQt4 import QtCore
> import ui_test #Gui File
> import sys
> import pyqtgraph as pg
>
> class Gui(QtGui.QMainWindow, ui_test.Ui_MainWindow):
> def __init__(self):
> super(self.__class__, self).__init__()
> self.setupUi(self)
> self.pg_plot()
> self.updateViews()
> self.plotdata()
>
>
> def pg_plot(self):
> ## Switch to using white background and black foreground
> self.bepx = 30
> self.bepy = 800
> pg.setConfigOption('background', 'w')
> pg.setConfigOption('foreground', 'k')
>
> self.p1 = pg.PlotItem()
>
>
> self.graphicsView.setCentralWidget(self.p1)
> self.p1.showGrid(x = True, y = True ,alpha = 0.3)
> lr = pg.LinearRegionItem([20,40], movable = False, brush =
> '#ffcccc33') #Set linear region
> self.p1.addItem(lr)
> ## create a new ViewBox, link the right axis to its coordinate
> system
> self.p2 = pg.ViewBox()
>
> self.p1.showAxis('right')
> self.p1.scene().addItem(self.p2)
> self.p1.getAxis('right').linkToView(self.p2)
> self.p2.setXLink(self.p1)
> self.p1.getAxis('right').setLabel('eff', color='g')
> pg.LinearRegionItem([20,40])
>
> ## create third ViewBox.
> ## this time we need to create a new axis as well.
> self.p3 = pg.ViewBox()
> self.ax3 = pg.AxisItem('right')
> self.p1.layout.addItem(self.ax3,2,3)
> self.p1.scene().addItem(self.p3)
> self.ax3.linkToView(self.p3)
> self.p3.setXLink(self.p1)
> self.ax3.setZValue(-10000)
> self.ax3.setLabel('Power', color='r')
>
> ## Handle view resizing
> def updateViews(self):
> ## view has resized; update auxiliary views to match
>
> self.p2.setGeometry(self.p1.vb.sceneBoundingRect())
> self.p3.setGeometry(self.p1.vb.sceneBoundingRect())
>
> ## need to re-update linked axes since this was called
> ## incorrectly while views had different shapes.
> ## (probably this should be handled in ViewBox.resizeEvent)
> self.p2.linkedViewChanged(self.p1.vb, self.p2.XAxis)
> self.p3.linkedViewChanged(self.p1.vb, self.p3.XAxis)
>
> def plotdata(self):
> #Plot Datapoints
> self.p1.plot([0,10,20,30,40,50], [1,2,4,8,16,32], pen = 'g')
> self.p2.addItem(pg.PlotCurveItem([0,10,20,30,40,50],
> [10,20,40,80,40,20], pen='b'))
> self.p3.addItem(pg.PlotCurveItem([0,10,20,30,40,50],
> [3200,1600,800,2500,200,100], pen='r'))
> self.bepx = 50
> self.bepy = 1000
>
> def main():
> app = QtGui.QApplication(sys.argv)
> form = Gui()
> form.show()
> app.exec_()
>
> if __name__ == '__main__': # if we're running file directly and not
> importing it
> main() # run the main function
>
>
--
You received this message because you are subscribed to the Google Groups
"pyqtgraph" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/pyqtgraph/06ab03c6-032b-4e33-bfb8-67d01b8c937e%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
