[pyqtgraph] How to link two PlotWidget windows to show the same plot.

[Trifon Trifonov]

Dear All,

First, sorry for the long post, but I feel you may need some introduction
to the problem.

I am developing an orbital analysis tool using PyQT5 and pyqtgraph!

See:
https://github.com/3fon3fonov/trifon

My tool has a plotting area with ~15 plots shown in different tab windows,
which show different aspects of the data analysis.

The tool it self is assembled with the Designer-qt5, while the QGraphicView
widgets are promoted to pyqtgraphs's PlotWidgets

global p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,pe
p1 = self.graphicsView_timeseries_RV
p2 = self.graphicsView_timeseries_RV_o_c
p3 = self.graphicsView_timeseries_phot
p4 = self.graphicsView_timeseries_phot_o_c
p5 = self.graphicsView_timeseries_activity
p6 = self.graphicsView_timeseries_correlations

....

....
pe = self.graphicsView_extra_plot
.....

.....
etc.

so p1-p6 in this case are different PlotWidget objects on which I add
Items/Plot data, i.e. p1.plot(x,y), p1.addItem(), etc.


What I want is to link pe to any of p1-p6!. pe is an extra plot so the user
can choose from those already available/created.
Thus the user can select which plot he/she wants to see next to the main
plot.

Lets imagine that the ComboBox dropdown menu selects between p1-p6
objects, so

pe = p1, or later:
pe = p4

for example.

Is there any way this to be done with PyQtgraph?


I really tried all kind things in the last two weeks and nothing seems to
work.


I am aware of the

pe.setXLink(p1)
pe.setYLink(p2)

but this only links the axes not the plot object itself. It doesn't work
for me.




I hope you guys are willing to help!


All the best,
Trifon

[Mikhail Terekhov]

Have you considered QStackedWidget?

Post by Trifon Trifonov
Dear All,
First, sorry for the long post, but I feel you may need some introduction to the problem.
I am developing an orbital analysis tool using PyQT5 and pyqtgraph!
https://github.com/3fon3fonov/trifon
My tool has a plotting area with ~15 plots shown in different tab windows, which show different aspects of the data analysis.
The tool it self is assembled with the Designer-qt5, while the QGraphicView widgets are promoted to pyqtgraphs's PlotWidgets

global p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,pe
p1 = self.graphicsView_timeseries_RV
p2 = self.graphicsView_timeseries_RV_o_c
p3 = self.graphicsView_timeseries_phot
p4 = self.graphicsView_timeseries_phot_o_c
p5 = self.graphicsView_timeseries_activity
p6 = self.graphicsView_timeseries_correlations
....
....
pe = self.graphicsView_extra_plot
.....
.....
etc.

so p1-p6 in this case are different PlotWidget objects on which I add Items/Plot data, i.e. p1.plot(x,y), p1.addItem(), etc.
What I want is to link pe to any of p1-p6!. pe is an extra plot so the user can choose from those already available/created.
Thus the user can select which plot he/she wants to see next to the main plot.
Lets imagine that the ComboBox dropdown menu selects between p1-p6 objects, so
pe = p4
for example.
Is there any way this to be done with PyQtgraph?
I really tried all kind things in the last two weeks and nothing seems to work.
I am aware of the
pe.setXLink(p1)
pe.setYLink(p2)
but this only links the axes not the plot object itself. It doesn't work for me.
I hope you guys are willing to help!
All the best,
Trifon
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[Patrick]

Hi,

I have some multi-dimensional data which I slice in four plot windows. I
link the required axes manually by connecting to a signal emitted by a
ViewBox when its range is changed.

Code snippet below, hopefully will get you on track.

# Link axes of plots
self.overview.setYLink(self.t1slice)
self.overview.setXLink(self.t2slice)
self.t1slice.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_t1slice)
self.t2slice.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_t2slice)
self.spectrum.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_spectrum)


# Slot functions to react and change range of linked plots
def _link_waxes_t1slice(self, something):
self.t2slice.setYRange(*self.t1slice.getViewBox().viewRange()[0])
self.spectrum.setXRange(*self.t1slice.getViewBox().viewRange()[0])


def _link_waxes_t2slice(self, something):
self.t1slice.setXRange(*self.t2slice.getViewBox().viewRange()[1])
self.spectrum.setXRange(*self.t2slice.getViewBox().viewRange()[1])


def _link_waxes_spectrum(self, something):
self.t1slice.setXRange(*self.spectrum.getViewBox().viewRange()[0])
self.t2slice.setYRange(*self.spectrum.getViewBox().viewRange()[0])

Patrick

Post by Trifon Trifonov
Dear All,
First, sorry for the long post, but I feel you may need some introduction
to the problem.
I am developing an orbital analysis tool using PyQT5 and pyqtgraph!
https://github.com/3fon3fonov/trifon
My tool has a plotting area with ~15 plots shown in different tab windows,
which show different aspects of the data analysis.
The tool it self is assembled with the Designer-qt5, while the
QGraphicView widgets are promoted to pyqtgraphs's PlotWidgets

global p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,pe
p1 = self.graphicsView_timeseries_RV
p2 = self.graphicsView_timeseries_RV_o_c
p3 = self.graphicsView_timeseries_phot
p4 = self.graphicsView_timeseries_phot_o_c
p5 = self.graphicsView_timeseries_activity
p6 = self.graphicsView_timeseries_correlations

....
....
pe = self.graphicsView_extra_plot
.....

.....
etc.

so p1-p6 in this case are different PlotWidget objects on which I add
Items/Plot data, i.e. p1.plot(x,y), p1.addItem(), etc.
What I want is to link pe to any of p1-p6!. pe is an extra plot so the
user can choose from those already available/created.
Thus the user can select which plot he/she wants to see next to the main
plot.
Lets imagine that the ComboBox dropdown menu selects between p1-p6
objects, so
pe = p4
for example.
Is there any way this to be done with PyQtgraph?
I really tried all kind things in the last two weeks and nothing seems to
work.
I am aware of the
pe.setXLink(p1)
pe.setYLink(p2)
but this only links the axes not the plot object itself. It doesn't work
for me.
I hope you guys are willing to help!
All the best,
Trifon

[Trifon Trifonov]

Thanks a lot!

I am a but busy these days but as soon as I get some chance I will try it
out and will report!

Trifon

Post by Patrick
Hi,
I have some multi-dimensional data which I slice in four plot windows. I
link the required axes manually by connecting to a signal emitted by a
ViewBox when its range is changed.
Code snippet below, hopefully will get you on track.
# Link axes of plots
self.overview.setYLink(self.t1slice)
self.overview.setXLink(self.t2slice)
self.t1slice.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_t1slice)
self.t2slice.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_t2slice)
self.spectrum.getViewBox().sigRangeChangedManually.connect(self.
_link_waxes_spectrum)
# Slot functions to react and change range of linked plots
self.t2slice.setYRange(*self.t1slice.getViewBox().viewRange()[0])
self.spectrum.setXRange(*self.t1slice.getViewBox().viewRange()[0])
self.t1slice.setXRange(*self.t2slice.getViewBox().viewRange()[1])
self.spectrum.setXRange(*self.t2slice.getViewBox().viewRange()[1])
self.t1slice.setXRange(*self.spectrum.getViewBox().viewRange()[0])
self.t2slice.setYRange(*self.spectrum.getViewBox().viewRange()[0])
Patrick

Post by Trifon Trifonov
Dear All,
First, sorry for the long post, but I feel you may need some introduction
to the problem.
I am developing an orbital analysis tool using PyQT5 and pyqtgraph!
https://github.com/3fon3fonov/trifon
My tool has a plotting area with ~15 plots shown in different tab
windows, which show different aspects of the data analysis.
The tool it self is assembled with the Designer-qt5, while the
QGraphicView widgets are promoted to pyqtgraphs's PlotWidgets

global p1,p2,p3,p4,p5,p6,p7,p8,p9,p10,p11,p12,p13,p14,p15,pe
p1 = self.graphicsView_timeseries_RV
p2 = self.graphicsView_timeseries_RV_o_c
p3 = self.graphicsView_timeseries_phot
p4 = self.graphicsView_timeseries_phot_o_c
p5 = self.graphicsView_timeseries_activity
p6 = self.graphicsView_timeseries_correlations

....
....
pe = self.graphicsView_extra_plot
.....

.....
etc.

so p1-p6 in this case are different PlotWidget objects on which I add
Items/Plot data, i.e. p1.plot(x,y), p1.addItem(), etc.
What I want is to link pe to any of p1-p6!. pe is an extra plot so the
user can choose from those already available/created.
Thus the user can select which plot he/she wants to see next to the main
plot.
Lets imagine that the ComboBox dropdown menu selects between p1-p6
objects, so
pe = p4
for example.
Is there any way this to be done with PyQtgraph?
I really tried all kind things in the last two weeks and nothing seems to
work.
I am aware of the
pe.setXLink(p1)
pe.setYLink(p2)
but this only links the axes not the plot object itself. It doesn't work
for me.
I hope you guys are willing to help!
All the best,
Trifon

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