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19 lines
659 B
Plaintext
19 lines
659 B
Plaintext
{
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"name": "sinuosity",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns the sinuosity of a curve, which is the ratio of the curve length to the straight (2D) distance between its endpoints.",
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"arguments": [{
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"arg": "geometry",
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"description": "Input curve (circularstring, linestring)"
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}],
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"examples": [{
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"expression": "round(sinuosity(geom_from_wkt('LINESTRING(2 0, 2 2, 3 2, 3 3)')), 3)",
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"returns": "1.265"
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}, {
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"expression": "sinuosity(geom_from_wkt('LINESTRING( 3 1, 5 1)'))",
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"returns": "1.0"
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}],
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"tags": ["curve", "distance", "length", "endpoints", "sinuosity", "ratio", "straight"]
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}
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