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9 lines
549 B
Plaintext
9 lines
549 B
Plaintext
{
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"name": "is_closed",
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"type": "function",
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"description": "Returns true if a line string is closed (start and end points are coincident), or false if a line string is not closed. If the geometry is not a line string then the result will be null.",
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"arguments": [ {"arg":"geom","description":"a line string geometry"}],
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"examples": [ { "expression":"is_closed(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))", "returns":"false"},
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{ "expression":"is_closed(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2, 0 0)'))", "returns":"true"}]
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}
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