Hi Stephen. I'm afraid you have to use internal methods to calculate the point. Here is what echarts is using:
https://github.com/apache/echarts/blob/master/src/chart/line/poly.ts#L278 Regards. On Tue, Nov 30, 2021 at 9:37 AM Stephen Rich <step...@bri-associates.com> wrote: > Hello, I am using a draggable line chart as a method of user input with > the series smooth feature set to true. See the yellow line below. The > x-axis is the year. In this case, the user dragged the four drag points on > the yellow line to produce the curve. I now need to know the value of the > curve for every year. Is there a way to get that information? If not, > what is the smoothing algorithm that is used by eCharts? If I knew that, I > could calculate the values. > > > > Thanks for the help. Love eCharts! > > > > > > > > > > Managing Partner *|* BRI, LLC *|* www.bri-associates.com *|* +1 (503) > 853-4656 > > > -- Yi Shen Apache ECharts PMC
