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9 lines
520 B
Plaintext
9 lines
520 B
Plaintext
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{
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"name": "angle_at_vertex",
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"type": "function",
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"description": "Returns the bisector angle (average angle) to the geometry for a specified vertex on a linestring geometry. Angles are in degrees clockwise from north.",
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"arguments": [ {"arg":"geometry","description":"a linestring geometry"},
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{"arg":"vertex","description":"vertex index, starting from 0"}],
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"examples": [ { "expression":"angle_at_vertex(geometry:=geom_from_wkt('LineString(0 0, 10 0, 10 10)'),vertex:=1)", "returns":"45.0"}]
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}
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