You may try to put NaNs on Saturdays an Sundays, then use connect='finite' in the setData method.
Il giorno martedì 18 agosto 2020 16:51:58 UTC+2, mks ha scritto: > > I gave it some more thought and I have to take back what I said about > controlling data - actually, that may be the easiest way to go about it. > Not the nicest, as it would require messing with timestamps, but perhaps > the easiest. > > The solution would require creating my own timestamp transformation that > would be used to shift data in time and to adjust the AxisItem. For example > - if I know that Saturday is empty, I will move data from Monday to > Saturday (by subtracting two days from timestamps) and have the AxisItem > pretend that Saturday data is Monday data. If applied to gaps that are > regular, it could be a vector of cumulative offsets applied to the vector > of timestamps. > > Not sure it's the best way to go, but at least it's something I can try > out in a reasonable amount of time. > On Tuesday, August 18, 2020 at 4:40:17 PM UTC+2 Mikołaj Śnioch wrote: > >> Thanks everyone for sharing your thoughts. I agree that this cannot be >> simply done by controlling data - it seems that by default axis data is >> assumed to be continuous, which will produce visual gaps on the chart if >> actual data is not continuous. Creating separate plots and placing them >> side by side with no margin would be ok for a static plot, however I am >> using these dynamically, so that won't work unfortunately. Unless I am >> missing something of course. By "using dynamically" I mean that I am >> panning/zoomng/scrolling the data a lot, adding new data sets on the same >> plot etc. >> >> After an initial look it seems to me that it's not an Axis but the >> Viewbox that controls value ranges. If I understand correctly, the AxisItem >> controls presentation, not the underlying axis data. I can't say I am too >> familiar with how Viewbox works yet, but it seems to be built around an >> assumption that values are continuous in either linear or log fashion. >> There are numerous places in Viewbox code where xrange/xlimit is used, >> which suggests to me that whatever is within range/limits must be >> continuous (or is assumed to be). >> >> I will continue to look into this, any tips are welcome. >> >> Thank you, >> mks >> >> On Tue, Aug 18, 2020 at 1:28 PM [email protected] <[email protected]> >> wrote: >> >>> Hi, >>> i think the easiest is to treat them as multiple plots. You can look at >>> the examples- the one called basic plotting. The multiple curves would work >>> for your case. >>> On Tuesday, August 18, 2020 at 9:10:53 AM UTC+2 [email protected] wrote: >>> >>>> I don't see how this can be accomplished solely by controlling the >>>> data. I think that it would require at least some hacking with the >>>> AxisItem >>>> class... and I myself would not know how... >>>> >>>> In any case, certainly linking the flattening workaround might be the >>>> easiest. >>>> >>>> >>>> On 8/18/20 2:45 AM, Dennis Jensen wrote: >>>> >>>> Yes you have full control of the data you supply to a graph of course >>>> the settings to do that might be rather tricky --- as such it might just >>>> be >>>> easiest to flat line it during those periods rather than try to exclude >>>> them >>>> >>>> >>>> >>>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=icon> >>>> Virus-free. >>>> www.avast.com >>>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail&utm_term=link> >>>> >>>> >>>> On Mon, Aug 17, 2020 at 6:50 PM mks <[email protected]> wrote: >>>> >>>>> Hello, >>>>> >>>>> I've been wondering if it is possible to exclude subranges of >>>>> datetimes, where there is no data? For example, when plotting financial >>>>> data, markets are closed on weekends, so a continuous datetime axis will >>>>> have gaps on Sundays and Saturdays (among other periods when there is no >>>>> trading): >>>>> [image: Screenshot_20200818_014602.png] >>>>> >>>>> Is it possible to exclude these gaps? >>>>> >>>>> Thanks, >>>>> mks >>>>> -- >>>>> 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/e32a4a25-22c1-44e8-af2f-992abab6acban%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/pyqtgraph/e32a4a25-22c1-44e8-af2f-992abab6acban%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/CAJnEJx0mwN41n4nLXC9xpeP5dW_7fbmNtna0XKWxfNx8qE1ShA%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/pyqtgraph/CAJnEJx0mwN41n4nLXC9xpeP5dW_7fbmNtna0XKWxfNx8qE1ShA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> -- >>>> +----------------------------------------------------+ >>>> Carlos Pascual Izarra >>>> Scientific Software Coordinator >>>> Computing Division >>>> ALBA Synchrotron [http://www.albasynchrotron.es] >>>> Carrer de la Llum 2-26 >>>> E-08290 Cerdanyola del Valles (Barcelona), Spain >>>> E-mail: [email protected] >>>> Phone: +34 93 592 4428 >>>> +----------------------------------------------------+ >>>> >>>> -- >>> >> You received this message because you are subscribed to a topic in the >>> Google Groups "pyqtgraph" group. >>> To unsubscribe from this topic, visit >>> https://groups.google.com/d/topic/pyqtgraph/z2FXYJw5hck/unsubscribe. >>> To unsubscribe from this group and all its topics, send an email to >>> [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/pyqtgraph/9c10f86e-28cf-4622-9f45-41f4ec469037n%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/pyqtgraph/9c10f86e-28cf-4622-9f45-41f4ec469037n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "pyqtgraph" group. 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