Try changing
*two.setZValue(10000)*
to
*p2.setZValue(10000)*
I think maybe the z-order of the plots inside each ViewBox might be
independent from the z-order of the actual ViewBoxes? So this puts one
ViewBox behind the other, while you might have just been playing with the
z-order within each ViewBox separately?
On Friday, 17 August 2018 04:24:18 UTC+9:30, dhabbyc wrote:
>
> Hello,
>
> I've been modifying the Multi axis example using a BarCharItem on the
> left axis and a PlotCurveItem in the second. No matter what I do the right
> plot always stays behind the left one.
>
> Here is what I'm doing:
>
>
> *# -*- coding: utf-8 -*-*
> *"""*
> *Demonstrates a way to put multiple axes around a single plot. *
>
> *(This will eventually become a built-in feature of PlotItem)*
>
> *"""*
> *#import initExample ## Add path to library (just for examples; you do not
> need this)*
>
> *import pyqtgraph as pg*
> *from pyqtgraph.Qt import QtCore, QtGui*
> *import numpy as np*
>
> *pg.mkQApp()*
>
> *pw = pg.PlotWidget()*
> *pw.show()*
> *pw.setWindowTitle('pyqtgraph example: MultiplePlotAxes')*
> *p1 = pw.plotItem*
> *print p1.scene()*
> *l = pg.LegendItem((100,60), offset=(70,30)) *
> *l.setParentItem(p1.getViewBox())*
> *p1.setLabels(left='axis 1')*
>
> *## create a new ViewBox, link the right axis to its coordinate system*
> *p2 = pg.ViewBox()*
> *p1.showAxis('right')*
> *p1.scene().addItem(p2)*
> *p1.getAxis('right').linkToView(p2)*
> *p2.setXLink(p1)*
> *p1.getAxis('right').setLabel('axis2', color='#0000ff')*
>
>
> *## Handle view resizing *
> *def updateViews():*
> * ## view has resized; update auxiliary views to match*
> * global p1, p2*
> * p2.setGeometry(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)*
> * p2.linkedViewChanged(p1.vb, p2.XAxis)*
>
> *updateViews()*
> *p1.vb.sigResized.connect(updateViews)*
>
>
> *#one = p1.plot([1,2,4,8,16,32])*
> *one = pg.BarGraphItem(x = [0,1,2,3,4,5], height = [100,100,100,100,100,
> 50], width = 1)*
> *two = pg.PlotCurveItem([10,20,40,80,40,20], pen='b')*
> *p1.addItem(one)*
> *p2.addItem(two)*
> *two.setZValue(10000)*
>
> *l.addItem(one, 'one')*
> *l.addItem(two, 'two')*
>
> *## Start Qt event loop unless running in interactive mode or using
> pyside.*
> *if __name__ == '__main__':*
> * import sys*
> * if (sys.flags.interactive != 1) or not hasattr(QtCore,
> 'PYQT_VERSION'):*
> * QtGui.QApplication.instance().exec_()*
>
> Is there a way to fix this?
>
> Thanks in advance.
>
> D.
>
>
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