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19 lines
616 B
Plaintext
19 lines
616 B
Plaintext
{
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"name": "point_n",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns a specific node from a geometry.",
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"arguments": [{
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"arg": "geometry",
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"description": "geometry object"
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}, {
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"arg": "index",
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"description": "index of node to return, where 1 is the first node; if the value is negative, the selected vertex index will be its total count minus the absolute value"
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}],
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"examples": [{
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"expression": "geom_to_wkt(point_n(geom_from_wkt('POLYGON((0 0, 4 0, 4 2, 0 2, 0 0))'),2))",
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"returns": "'Point (4 0)'"
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}],
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"tags": ["specific", "node", "vertex"]
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}
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