Hi Ovilia, Thanks for your consideration. I'll be waiting for V5.4 and will be in touch.
Regards, -Ehsan On Tue, Dec 7, 2021 at 1:42 PM Ovilia <oviliazh...@gmail.com> wrote: > Hi Ehsan, > > Thanks for your detailed description and yes, what you described is > exactly the same > as what I'm suggesting. We might reach you for further discussion if > necessary > when we implement the feature. > It's scheduled in v5.4 so you may not expect to see it in a month. If you > are interested > in making a pull request, it would be certainly appreciated and we could > offer more > help about that. > > BTW, it would be nice if we could CC our mailing list > dev@echarts.apache.org > so that anyone else who is interested in the topic can also join the > discussion. :) > > Thanks > > *Ovilia* > > > On Tue, Dec 7, 2021 at 4:02 PM Ehsan Saberian <ehsan.saber...@gmail.com> > wrote: > >> Yes it's true. The core functionality of them is the data aggregation on >> different zooms. >> >> About what I mentioned about stacking, I think it can be similar in some >> ways, because we also need aggregating and then stacking different time >> series (different colors) when they're adjacent. >> Suppose we have 3 different main series (which get different colors) and >> each series has some date values. >> >> firstTimeSeries data: (blue color) >> (1988, 7, 1), 100 >> (1988, 7, 4), 135 >> (1988, 8, 2), 200 >> (1988, 9, 3), 300 >> (1988, 10, 4), 400 >> >> secondTimeSeries data: (green color) >> (1988, 7, 2), 100 >> (1988, 8, 3), 200 >> (1988, 9, 4), 300 >> (1988, 10, 5), 400 >> >> thirdTimeSeries data: (yellow color) >> (1988, 7, 3), 100 >> (1988, 8, 4), 200 >> (1988, 9, 5), 300 >> (1988, 10, 6), 400 >> >> In this case when we're seeing the chart in monthly binning, We expect >> that for example for the 7th month we have a bar stacked of three colors >> which the blue part of the stack has 100 + 135 count, the green part has >> 100 count and the yellow part has 100 count. >> I also created a codesandbox example for what i'm describing. >> https://codesandbox.io/s/echarts-zoomin-timeseries-sktvb?file=/src/App.js >> >> to be more precise, instead of seeing this: >> [image: image.png] >> >> we expect to see something like this (for the 7th month) >> >> [image: image.jpeg] >> >> Thanks, >> -Ehsan >> >> >> On Tue, Dec 7, 2021 at 9:59 AM Ovilia <oviliazh...@gmail.com> wrote: >> >>> Thanks Ehsan, >>> >>> The most essential part for these issues is the ability to aggregate >>> data (or named grouping/binning), which is scheduled in v5.4. >>> >>> What you mentioned as "stacking" doesn't seem to behave like current >>> "stacking" [1] with Apache ECharts where each stacking element belongs to >>> different series and in most cases have different colors. As for the time >>> series, if data should be grouped into monthly, each month should have only >>> one bar with the sum of the data within the month, rather than stacking >>> bars each of which represents a single data. >>> >>> If you have different ideas about this, please let me know and let's see >>> what we can provide for most reasonable situations. >>> >>> [1] >>> https://echarts.apache.org/examples/en/editor.html?c=bar-y-category-stack >>> >>> Thanks >>> >>> *Ovilia* >>> >>> >>> On Tue, Dec 7, 2021 at 2:14 PM Ehsan Saberian <ehsan.saber...@gmail.com> >>> wrote: >>> >>>> Hi Ovilia, >>>> >>>> Thanks for your answer. We need to use the time axis so that the >>>> intervals get auto handled by the chart when zooming-in/out. With the >>>> category axis, this requirement can not be met. >>>> I decided to keep using the chart with time and wait for the fix in the >>>> next version. >>>> I also added another issue (#16177) to the github repo about the >>>> binning/Grouping of time series data. It's about stacking adjacent bar >>>> charts when the xAxis type is time in different zooms like the example i >>>> provided from FusionTime in >>>> https://codesandbox.io/s/fusion-charts-forked-8iv04?file=/src/chart.js >>>> . >>>> It's different from the #16099 which is about the width of the bars. >>>> >>>> Regards, >>>> -Ehsan >>>> >>>> >>>> >>>> On Mon, Nov 29, 2021 at 6:42 AM Ovilia <oviliazh...@gmail.com> wrote: >>>> >>>>> Hi Ehsan, >>>>> >>>>> This behavior is because the width of bars in time series are decided >>>>> by >>>>> the number of bars in the viewport but ECharts doesn't provide a width >>>>> option in the value (time) unit. That means, when zooming, the width >>>>> stays the same as long as the number of bars does not change. >>>>> >>>>> If you have urgent requirements about it, I would suggest using >>>>> category >>>>> axis instead of time series so that you can control how data should be >>>>> "binned" into categories. >>>>> >>>>> Thanks >>>>> >>>>> *Ovilia* >>>>> >>>>> >>>>> On Mon, Nov 29, 2021 at 11:03 AM Ehsan Saberian < >>>>> ehsan.saber...@gmail.com> wrote: >>>>> >>>>>> Hello, >>>>>> I posted an issue in your github repo about 5 days ago. It's about >>>>>> binning >>>>>> of time series data whe XAxis type is 'time'. >>>>>> Solving the problem is very urgent for our team project. >>>>>> I would appreciate it if you can check that soon. The issue link is: >>>>>> https://github.com/apache/echarts/issues/16099 >>>>>> >>>>>> Regards, >>>>>> -Eh >>>>>> >>>>>
