Namn

CG_Triangulate — Triangulerar en polygonal geometri

Synopsis

geometry CG_Triangulate( geometry geom );

Beskrivning

Triangulerar en polygonal geometri.

Utförs av SFCGAL-modulen

[Notera]

OBS: Denna funktion returnerar en geometri som representerar det triangulerade resultatet.

Tillgänglighet: 3.5.0

Denna metod behöver SFCGAL-backend.

Exempel på geometri

Kod
SELECT CG_Triangulate(
  'POLYGON((0 0,1 0,1 1,0 1,0 0),
            (0.2 0.2,0.2 0.8,0.8 0.8,0.8 0.2,0.2 0.2))'
);
Utdata
TIN(((0.8 0.2,0.2 0.2,1 0,0.8 0.2)),((0.2 0.2,0 0,1 0,0.2 0.2)),((1 1,0.8 0.8,0.8 0.2,1 1)),((0 1,0 0,0.2 0.2,0 1)),((0 1,0.2 0.8,1 1,0 1)),((0 1,0.2 0.2,0.2 0.8,0 1)),((0.2 0.8,0.8 0.8,1 1,0.2 0.8)),((0.2 0.8,0.2 0.2,0.8 0.2,0.2 0.8)),((1 1,0.8 0.2,1 0,1 1)),((0.8 0.8,0.2 0.8,0.8 0.2,0.8 0.8)))
Figur
Geometry figure for visual-cg-triangulate-01