Hi Ayaskant 1. The chart displays the data whatever you give. 2. It's because in the demo the old data is shifted from queue. You can remove the shift code if you want to keep the old data. 3. Yes, as the first one mentioned. 4. Yes you can add a dataZoom[1] component
[1] https://echarts.apache.org/en/option.html#dataZoom On Tue, Dec 3, 2019 at 4:09 PM Ayaskant Swain <ayaskant.sw...@gmail.com> wrote: > Hi E-Chart team, > > I have couple of queries on plotting incoming dynamic data (lets say 1 data > point every second) in a bar chart. I saw the below bar chart in your > website which looks like a good fit for plotting dynamic incoming series > data. > > https://echarts.apache.org/examples/en/editor.html?c=dynamic-data > > Questions : > > 1. Your chart looks like a sliding window one. So is it like the user > can see only the bars that are inside the window at given point of time? > 2. What happens to the old data that is going away in the left side? > 3. Can i show last 24 hours data points at any given point of time? > 4. Can we have zoom-in and zoom-out feature added to the above graph? > > Quicker reply will be really helpful to me. > > Thanks > Ayaskant > -- Yi Shen Apache ECharts(incubating) PPMC