[Qgis-user] Difference in Area/Perimeter calculations

Harish harry.om2000 at gmail.com
Mon Jul 9 00:33:05 PDT 2012


There is difference between area/perimeter calculations with ellipsoid and
project CRS. Attached is a screenshot in which first area and perimeter
columns are generated with tool 'Export/Add geometry columns' using
'Ellipsoid' and second area and perimeter with using 'Project CRS' (used
32643: UTM zone 43 North/WGS1984).

Ellipsoid/Spheroid used in both cases is WGS84.

QGIS1.8, Windows7.

Regards


-- 
Harish Kumar Solanki, Assistant Professor
National Institute of Rural Development (NIRD),
Ministry of Rural Development, Government of India
Jaipur, Rajasthan, India- Pin-302006
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