Sandro Santilli
9bfec15979
Closes #4200 git-svn-id: http://svn.osgeo.org/postgis/trunk@16929 b70326c6-7e19-0410-871a-916f4a2858ee
17 lines
1.2 KiB
SQL
17 lines
1.2 KiB
SQL
-- postgres
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SELECT 't1', ST_GeometricMedian(null) IS NULL;
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SELECT 't2', ST_AsText(ST_GeometricMedian('LINESTRING (1 1, 2 2)'));
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SELECT 't3', 'POINT EMPTY' = ST_AsText(ST_GeometricMedian('POINT EMPTY'));
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SELECT 't4', 'POINT EMPTY' = ST_AsText(ST_GeometricMedian('MULTIPOINT EMPTY'));
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SELECT 't5', ST_SRID(ST_GeometricMedian('SRID=32611;POINT (1 1)')) = 32611;
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SELECT 't6', ST_SRID(ST_GeometricMedian('SRID=32611;MULTIPOINT ((1 1), (2 7))')) = 32611;
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SELECT 't7', ST_SRID(ST_GeometricMedian('SRID=32611;MULTIPOINT ((1 1))')) = 32611;
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SELECT 't8', ST_Equals('POINTZ (15 15 15)', ST_AsText(ST_GeometricMedian('MULTIPOINT ((10 10 10), (10 20 10), (20 10 10), (20 20 10), (10 10 20), (10 20 20), (20 10 20), (20 20 20))')));
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-- Doesn't fail even though we don't let it iterate
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SELECT 't9', ST_IsEmpty(ST_GeometricMedian('MULTIPOINT (0 0, 1 1, 0 1, 2 2)', max_iter := 1));
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-- Unless we enfore that it must converge.
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SELECT 't10', ST_IsEmpty(ST_GeometricMedian('MULTIPOINT (0 0, 1 1, 0 1, 2 2)', max_iter := 1, fail_if_not_converged := true));
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-- But if we drop the tolerance, it's OK
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SELECT 't11', ST_IsEmpty(ST_GeometricMedian('MULTIPOINT (0 0, 1 1, 0 1, 2 2)', max_iter := 1, tolerance := 0.1, fail_if_not_converged := true));
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