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12e34f2672
make_point_m for creation of PointM geometries. Also add m(point) and z(point) functions for retrieving z/m value of a point or node.
15 lines
650 B
Plaintext
15 lines
650 B
Plaintext
{
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"name": "make_point",
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"type": "function",
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"description": "Creates a point geometry from an x and y (and optional z and m) value.",
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"arguments": [
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{"arg":"x","description":"x coordinate of point"},
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{"arg":"y","description":"y coordinate of point"},
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{"arg":"z","description":"optional z coordinate of point"},
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{"arg":"m","description":"optional m value of point"} ],
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"examples": [ { "expression":"geom_to_wkt(make_point(2,4))", "returns":"'Point (2 4)'"},
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{ "expression":"geom_to_wkt(make_point(2,4,6))", "returns":"'PointZ (2 4 6)'"},
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{ "expression":"geom_to_wkt(make_point(2,4,6,8))", "returns":"'PointZM (2 4 6 8)'"}
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]
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}
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