ArcGIS Pro Area Calculations are Incorrect and Glitchy
I'm getting inconsistent results when trying to calculate polygon areas in Pro 3.3.2 (but it was happening when I was on Pro 2.9.5 I think too).
I have a layer in WGS84 Web Mercator and I'm calculating areas in NAD 1983 State Plane, in this case, Montana (though I saw this in Wyoming too). My map has a transformation set, and while I know maybe this is a strange workflow, I've done it this way for a while and never used to have issues. One of the perks of Pro, I thought, was being able to calculate areas in different coordinate systems without having to actually switch the map or layer's coordinate system.
I digitized about 50 polygons and then went to calculate their areas. When I batch calculate all at once, I get values that all seem correct, but have been assigned to the wrong polygon. Then, when I recalculate them individually or in groups of 2 or 3, they populate different, and more accurate, numbers.
In the example below, see the ObjectID of the highlighted feature. The first screenshot has an area value that was populated when I batch calculated all 50 features. You can see that the map I digitized it from lists a very different value, and when I recalculate the feature individually, it populates a much more accurate number (second screenshot: confirmed it's the same feature by the ObjectID).
Has anyone else experienced this, and what the heck is happening? It's concerning that one of the most basic GIS operations is now returning numbers I can't trust. Even if it was an issue of different coordinate systems, the fact that it seems to calculate values correctly but assigns them to incorrect features is crazy. I will test calculating areas with the map actually in that coordinate system, but this seems like a deeper issue.
