CG_Triangulate
Anterior  8.3. SFCGAL Processing and Relationship Functions  Próxima

Nome

CG_Triangulate — Triangulates a polygonal geometry

Sinopse

geometry CG_Triangulate( geometry geom );

Descrição

Triangulates a polygonal geometry.

Performed by the SFCGAL module

[Nota]

NOTE: this function returns a geometry representing the triangulated result.

Availability: 3.5.0

This method needs SFCGAL backend.

Exemplos de Geometria

Code
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))'
);
Raster Outputs
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)))
Figure
Geometry figure for visual-cg-triangulate-01