Alright, tomorrow I will try download the development version then and give 
it a try. 

I will let you know how it goes, thanks!

Cheers,

Il giorno sabato 11 aprile 2020 20:09:40 UTC+2, Israel Brewster ha scritto:
>
> Nope, that would be the latest *release* version, which would be 0.10. I’m 
> using the latest *development* version that you can get from source forge. 
> So yeah, that *could* be why my code isn’t working for you (though I don’t 
> guarantee it).
>
> There have been a lot of changes between the last release and the current 
> development (like compatibility with PySide2, which is why I use the 
> development). I keep wondering when they will make a new release, but it 
> hasn’t happened yet.
> ---
> Israel Brewster
> Software Engineer
> Alaska Volcano Observatory 
> Geophysical Institute - UAF 
> 2156 Koyukuk Drive 
> Fairbanks AK 99775-7320
> Work: 907-474-5172
> cell:  907-328-9145
>
> On Apr 11, 2020, at 10:06 AM, Daniele Dolci <[email protected] 
> <javascript:>> wrote:
>
> I would assume I am on the latest version, I installed it today. One 
> difference perhaps might be the operative system? I am using raspbian OS.
>
> To install it I used 
>
> sudo apt install python3-pyqtgraph
>
> So I assume it gets the latest one, or not?
>
> Il giorno sabato 11 aprile 2020 19:58:36 UTC+2, Israel Brewster ha scritto:
>>
>> One thought that just occurred to me: I’m using the latest development 
>> version of pyqtgraph. Are you by any chance on the release version? That 
>> could be the difference, theoretically, if so.
>>
>> ---
>> Israel Brewster
>> Software Engineer
>> Alaska Volcano Observatory 
>> Geophysical Institute - UAF 
>> 2156 Koyukuk Drive 
>> Fairbanks AK 99775-7320
>> Work: 907-474-5172
>> cell:  907-328-9145
>>
>> On Apr 11, 2020, at 9:51 AM, Daniele Dolci <[email protected]> wrote:
>>
>> So I tried this:
>>
>> x = [x for x in range(1000)]
>> y = [x for x in range(1000)]
>> plotWidget = pg.PlotWidget(title="Ph")
>> plotWidget.setBackgroundBrush(QtGui.QBrush(QtCore.Qt.transparent, 
>> QtCore.Qt.NoBrush))
>> self._tab_layout.addWidget(plotWidget, 0, 0)
>> t = plotWidget.plot(x, y)
>>
>>
>> But the background is still white. I removed all the viewBox stuff and 
>> the set colors. I mean, this is very weird. If the plot accepts colors for 
>> pen and background in the format of RGBa, why wouldn't the transperency do 
>> the trick?
>>
>> I have also tried using just plotItem, without the widget, but I wasn't 
>> able to add it to the layout so I couldn't really finish the test. 
>>
>> Thanks for your time man, I appreciate!
>> Cheers,
>>
>> Il giorno sabato 11 aprile 2020 19:42:31 UTC+2, Israel Brewster ha 
>> scritto:
>>>
>>> No, I mis-spoke with that. I took another look at my code, and realized 
>>> that I’m not doing *anything* with the view box. So try just doing the 
>>> setBackgroudBrush on the plotWidget, but *don’t* set the background color 
>>> on the view box at all. If that doesn’t work, then I’m probably missing 
>>> something somewhere else in my code that does it…
>>>
>>> ---
>>> Israel Brewster
>>> Software Engineer
>>> Alaska Volcano Observatory 
>>> Geophysical Institute - UAF 
>>> 2156 Koyukuk Drive 
>>> Fairbanks AK 99775-7320
>>> Work: 907-474-5172
>>> cell:  907-328-9145
>>>
>>> On Apr 11, 2020, at 8:37 AM, Daniele Dolci <[email protected]> wrote:
>>>
>>> Thanks for the fast reply! 
>>>
>>> I tried to add that line but didn't work. I then tried to apply it to 
>>> the plot item and to the view box, but on both I get the error:
>>>
>>> plotWidget.getViewBox().setBackgroundBrush(QtGui.QBrush(QtCore.Qt.transparent,
>>>  
>>> QtCore.Qt.NoBrush))
>>> AttributeError: 'ViewBox' object has no attribute 'setBackgroundBrush'
>>>
>>> Maybe I misunderstood what you meant by doing the same for the ViewBox?
>>>
>>> Thanks again! 
>>>
>>>
>>> Il giorno sabato 11 aprile 2020 18:20:06 UTC+2, Israel Brewster ha 
>>> scritto:
>>>>
>>>> Try:
>>>>
>>>> plotWidget.setBackgroundBrush(QBrush(Qt.transparent, Qt.NoBrush))
>>>>
>>>> There may be some other code needed as well, but that’s at least part 
>>>> of it. you *may* need to do the same for the view box. So you had the 
>>>> right 
>>>> idea, but perhaps not quite right?
>>>> ---
>>>> Israel Brewster
>>>> Software Engineer
>>>> Alaska Volcano Observatory 
>>>> Geophysical Institute - UAF 
>>>> 2156 Koyukuk Drive 
>>>> Fairbanks AK 99775-7320
>>>> Work: 907-474-5172
>>>> cell:  907-328-9145
>>>>
>>>> On Apr 11, 2020, at 8:11 AM, Daniele Dolci <[email protected]> 
>>>> wrote:
>>>>
>>>> Hi!
>>>>
>>>> I have a main widget with a layout and a gradient as background. I want 
>>>> to add a series of plots with transperent background (basically I would 
>>>> like to only draw the foreground). I am having hardtimes making the 
>>>> background of the plot transperent. I tried lot of things, with this code 
>>>> I 
>>>> was expecting that I would be making all transparent, but it is actually 
>>>> white:
>>>>
>>>> x = [x for x in range(1000)]
>>>> y = [x for x in range(1000)]
>>>> plotWidget = pg.PlotWidget(title="Ph")
>>>> plotWidget.setBackground((0, 0, 0, 0))
>>>> plotWidget.getViewBox().setBackgroundColor((0, 0, 0, 0))
>>>> self._tab_layout.addWidget(plotWidget, 0, 0)
>>>> pen = pg.mkPen(color=(255, 0, 0))
>>>> t = plotWidget.plot(x, y, pen=pen)
>>>> t.getViewBox().setBackgroundColor((0, 0, 0, 0))
>>>>
>>>>
>>>> So it looks like this, and I would:
>>>>
>>>> <plot1.jpg>
>>>>
>>>> And I would like to have it drawn on this background instead:
>>>>
>>>> <plot2.jpg>
>>>>
>>>>
>>>> Any idea how to fix this?
>>>>
>>>> Thanks!
>>>>
>>>>
>>>> -- 
>>>> 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/2e9b649e-dc5e-4a92-ad3f-b6b9cfb6226d%40googlegroups.com
>>>>  
>>>> <https://groups.google.com/d/msgid/pyqtgraph/2e9b649e-dc5e-4a92-ad3f-b6b9cfb6226d%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>> .
>>>> <plot1.jpg><plot2.jpg>
>>>>
>>>>
>>>>
>>> -- 
>>> 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/3c60ca81-99f3-4c4c-9a4e-7cd22d7f9335%40googlegroups.com
>>>  
>>> <https://groups.google.com/d/msgid/pyqtgraph/3c60ca81-99f3-4c4c-9a4e-7cd22d7f9335%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>>
>>>
>> -- 
>> 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/4c71a8d2-5d8c-41a7-a3d2-e5a9dc106117%40googlegroups.com
>>  
>> <https://groups.google.com/d/msgid/pyqtgraph/4c71a8d2-5d8c-41a7-a3d2-e5a9dc106117%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>>
>>
>>
> -- 
> 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] <javascript:>.
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/pyqtgraph/4d6a1fdc-0df4-435e-a362-1e5b8e0328fb%40googlegroups.com
>  
> <https://groups.google.com/d/msgid/pyqtgraph/4d6a1fdc-0df4-435e-a362-1e5b8e0328fb%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
>
>

-- 
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/226b7b9f-d74b-443e-a16e-15f3d62fea34%40googlegroups.com.

Reply via email to