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6f98fa0fb3
Avoids the occasional rounding problem which might occur when splitting a line anywhere but on a support point, see postgis doc for ST_Split. Fixes #253
11 lines
279 B
PL/PgSQL
11 lines
279 B
PL/PgSQL
-- Splits the line at the given point and returns the two parts
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-- in a multilinestring.
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CREATE OR REPLACE FUNCTION split_line_on_node(line GEOMETRY, point GEOMETRY)
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RETURNS GEOMETRY
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AS $$
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BEGIN
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RETURN ST_Split(ST_Snap(line, point, 0.0005), point);
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END;
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$$
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LANGUAGE plpgsql;
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