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10 lines
340 B
Plaintext
10 lines
340 B
Plaintext
{
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"name": "z",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns the z coordinate of a point geometry, or NULL if the geometry has no z value.",
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"arguments": [ {"arg":"geometry","description":"a point geometry"}],
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"examples": [ { "expression":"z( geom_from_wkt( 'POINTZ(2 5 7)' ) )", "returns":"7"}
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]
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}
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