[Qgis-user] Calculating Area. differences when transformation on the fly on / off

[Klaus Mithöfer]

Dear all,

I calculate area values for counties in Alaska. The layer and the 
project is in EPSG:2964 - NAD27 / Alaska Albers. However, If I switch 
"transformation on the fly" on I get values in square-meters. If I 
switch it off I get squarefoot, which is correct because the unit for 
EPSG:2964 - NAD27 / Alaska is Foot_US.
So where are the square meters based on and what drives the calculation, 
the layer CRS or the project CRS.

Thank you
Cheers

Klaus

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