On Wed, Mar 1, 2017 at 5:48 AM, tykom <[email protected]> wrote:
> import numpy as np
> import pyqtgraph as pg
> import pyqtgraph.multiprocess as mp
> import time
>
> qapp = pg.mkQApp()
> proc = mp.QtProcess()
> rpg = proc._import('pyqtgraph')
>
> win = rpg.GraphicsWindow()
> plot1 = win.addPlot()
> curve = plot1.plot()
> curve.setPen('r')
> win.show()
>
> x = np.linspace(0, 10, 10)
> y = np.linspace(-5, 5, 10)
> curve.setData(x,y)
>
> # you need to process and set data and call processEvents() in the loop
> while win.isVisible():
> y = y + np.random.random(10) # comment out this row not to update with
> different value
> curve.setData(x,y) # comment out this row not to update with different
> value
> qapp.processEvents()
>
#also, this works much faster (for me):
import numpy as np
import pyqtgraph as pg
qapp = pg.mkQApp()
win = pg.GraphicsWindow()
plot1 = win.addPlot()
curve = plot1.plot()
curve.setPen('r')
#win.show()
x = np.linspace(0, 10, 10)
y = np.linspace(-5, 5, 10)
curve.setData(x,y)
# you need to process and set data and call processEvents() in the loop
while win.isVisible():
y = y + np.random.random(10) # comment out this row not to update with
different value
curve.setData(x,y) # comment out this row not to update with different
value
qapp.processEvents()
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