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19 lines
826 B
Plaintext
19 lines
826 B
Plaintext
{
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"name": "close_line",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns a closed line string of the input line string by appending the first point to the end of the line, if it is not already closed. If the geometry is not a line string or multi line string then the result will be NULL.",
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"arguments": [{
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"arg": "geometry",
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"description": "a line string geometry"
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}],
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"examples": [{
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"expression": "geom_to_wkt(close_line(geom_from_wkt('LINESTRING(0 0, 1 0, 1 1)')))",
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"returns": "'LineString (0 0, 1 0, 1 1, 0 0)'"
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}, {
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"expression": "geom_to_wkt(close_line(geom_from_wkt('LINESTRING(0 0, 1 0, 1 1, 0 0)')))",
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"returns": "'LineString (0 0, 1 0, 1 1, 0 0)'"
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}],
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"tags": ["first", "point", "closed", "end", "input", "appending", "result", "line", "multi"]
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}
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