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11 lines
709 B
Plaintext
11 lines
709 B
Plaintext
{
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"name": "extend",
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"type": "function",
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"description": "Extends the start and end of a linestring geometry by a specified amount. Lines are extended using the bearing of the first and last segment in the line. Distances are in the Spatial Reference System of this geometry.",
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"arguments": [ {"arg":"geometry","description":"a (multi)linestring geometry"},
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{"arg":"start_distance","description":"distance to extend the start of the line"},
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{"arg":"end_distance","description":"distance to extend the end of the line."}],
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"examples": [ { "expression":"geom_to_wkt(extend(geom_from_wkt('LineString(0 0, 1 0, 1 1)'),1,2))", "returns":"LineString (-1 0, 1 0, 1 3)"}]
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}
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