When you display a group if number items in a BasicUI chart, it plots all members individually. Do you want the state of the group, i.e. the sum of all members plotted, you use a proxy item that you update in a DSL rule whenever the group changes.
How would that work if the members of that group were time series items, i.e. items who have multiple time-value pairs ?
I can put them in a group plot them individually. That works. What I can’t figure out how I would plot the sum of all these items.
Background: I use the solarforecast plugin to fetch the forecast of three pv sites. I want to plot the accumulated forecast along with the current production.