Calculates the 3D distance between two models.
Syntax
float8 ST_3DDistance(meshgeomgeom, meshgeomgeom);
float8 ST_3DDistance(sfmeshsfmeshObject, sfmeshsfmeshObject);
float8 ST_3DDistance(meshgeomgeom, geometrygeometry);
float8 ST_3DDistance(sfmeshsfmeshObject, geometrygeometry);Parameters
Parameter Name | Description |
geom | The meshgeom object. |
sfmeshObject | The sfmesh object. |
geometry | The geometry object. |
Description
Calculates the shortest spatial distance between two 3D models.
Calculates the shortest spatial distance between a 3D model and a 3D geometry object.
If the geom parameter is invalid, the function returns NULL.
Examples
select ST_3DDistance('MESHGEOM(PATCH(TRIANGLE Z(0 0 0,0 10 0,0 0 10)))'::meshgeom, 'MESHGEOM(PATCH(TRIANGLE Z(1 0 0,1 1 0,1 0 1)))'::meshgeom);
---------------
1
select ST_3DDistance(
'MESHGEOM(PATCH(INDEXSURFACE Z(VERTEX(0 0 0,0 10 0,0 0 10,10 0 0), INDEX((0,1,2),(1,0,3),(3,0,2),(2,1,3)))))'::meshgeom,
'POINT(-1 0 0)'::geometry);
---------------
1