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bd9e02be95
Standardise naming of all internal functions to lowercase with underscore convention. Add aliases for old names to avoid breakage.
13 lines
446 B
Plaintext
13 lines
446 B
Plaintext
<h3>sym_difference function</h3>
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Returns a geometry that represents the portions of a and b that do not intersect.
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<h4>Syntax</h4>
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<pre>sym_difference( geometry a, geometry b)</pre>
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<h4>Arguments</h4>
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geometry → geometry
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geometry → geometry
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<h4>Example</h4>
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<pre> geom_to_wkt( sym_difference( geom_from_wkt( 'LINESTRING(3 3 , 4 4 , 5 5)' ) , geom_from_wkt( 'LINESTRING(3 3 , 8 8)' )) ) → returns LINESTRING(5 5, 8 8)</pre>
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