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Functions / Geometric Functions And Operators

Returns the number of points.

Reading PG 18current·documented in 25 of 27 versions, 7.3 to 20

Signatures & examples

npoints ( geometric_type ) → integer
Returns the number of points. Available for path, polygon.
npoints(path '[(0,0),(1,1),(2,0)]') → 3
Version history 3
  1. 12 → 13 changed
  2. 8.0 → 8.1 changed
  3. 7.2 → 7.3 added

Definition snapshot: b7bd9cda · English manual source