Thanks, Vasilije!
that is working even without the "-i" workaround I was using.
cheers
On Tuesday, February 28, 2017 at 4:04:17 PM UTC-5, Vasilije Mehandzic wrote:
>
> #try this way:
>
> 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()
>
> On Tue, Feb 28, 2017 at 3:09 PM, tykom <[email protected] <javascript:>>
> wrote:
>
>> Hi All,
>>
>> Just started using pyqtgraph and it's pretty great, love the speed. I've
>> gotten the demos to work pretty easily, but I'm trying to add it to a
>> project that I've been developing using atom as an IDE with the Script
>> plugin and the windows that pyqtgraph creates close instantly. This happens
>> if I run the same file from the terminal too. But if I use pyqtgraph
>> directly from terminal, it's fine.
>>
>> I've followed the tips from this thread
>> <https://groups.google.com/forum/?fromgroups#!msg/pyqtgraph/grVGbN3sMQA/vJWyXe-GJD0J;context-place=forum/pyqtgraph>
>>
>> to no avail. And searching about hasn't yielded anything promising.
>>
>> This is the demo code that I've been testing:
>>
>> import numpy as np
>> import pyqtgraph as pg
>> import pyqtgraph.multiprocess as mp
>> import time
>>
>> pg.mkQApp()
>> proc = mp.QtProcess()
>> rpg = proc._import('pyqtgraph')
>>
>> win = rpg.GraphicsWindow()
>> plot1 = win.addPlot()
>> x = np.linspace(0, 10, 10)
>> y = np.linspace(-5, 5, 10)
>> curve = plot1.plot(x, y) # x,y can be lists, arrays, etc.
>> curve.setPen('r')
>> win.show()
>> time.sleep(2)
>>
>> adding time.sleep keeps the window open for the specified interval but
>> also defeats the purpose of interactive plotting...
>>
>> thanks for any help!
>>
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