Is it possible to get the SUM for each ID "stack" separately instead of the SUM at the bottom? I would like to have 4 individual sums in this case. It's for calculating area of exterior walls regarding to different sky orientations.
andro55 wrote: Yes. Add "E1" and "Flag" to ID. See my picture.
That "E" in "E1" is actually a mathematical SUM sign (the Greek capital Sigma letter). When there is a "1" after it, it will sum the number of items, if there is no "1' behind it, it will sum the values of those items listed in that column.
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