File: centroid7.testcase

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Centroid - polygonZM (problem case - GEOS throws away the Z and M coordinates)
:memory: #use in-memory database
SELECT astext(centroid(geomFromText('POLYGONZM((0 0 1 4, 0 2 1 4, 2 2 1 4, 2 0 1 4, 0 0 1 4))')))
1 # rows (not including the header row)
1 # columns
astext(centroid(geomFromText('POLYGONZM((0 0 1 4, 0 2 1 4, 2 2 1 4, 2 0 1 4, 0 0 1 4))')))
POINT(1 1)