示例 SELECT ST_AsText(ST_FlipCoOrdinates(ST_MeshFromText('{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(INDEXSURFACE Z(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"],"primitives":[{"meshgeom":0}],...
示例 SELECT ST_AsText(ST_FlipCoOrdinates(ST_MeshFromText('{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(INDEXSURFACE Z(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"],"primitives":[{"meshgeom":0}],...
示例 select ST_AsEWKT(ST_MeshGeomFromBinary(ST_AsBinary('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))':meshgeom)));MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1...
示例 select ST_AsEWKT(ST_MeshGeomFromBinary(ST_AsBinary('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))':meshgeom)));MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1...
示例 select ST_AsEWKT(ST_MeshGeomFromWKB(ST_AsWKB('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))':meshgeom)));st_asewkt-MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10...
示例 select ST_AsEWKT(ST_MeshGeomFromWKB(ST_AsWKB('MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))':meshgeom)));st_asewkt-MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10...
示例 SELECT ST_AsEWKT(ST_MeshFromText('{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}',4490));{"version":1,"srid":4490,...
示例 SELECT ST_AsEWKT(ST_MeshFromText('{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}',4490));{"version":1,"srid":4490,...
TRIANGLESTRIP(0 0 1 1,0 10 2 2,10 10 3 3,10 0 4 4)The TriangleStrip geometric structure also supports Z and M dimensional information.TRIANGLESTRIP Z(0 0 1,0 10 2,10 10 3,10 0 4)TRIANGLESTRIP M(0 0 1,0 10 2,10 10 3,10 0 4)...
TRIANGLESTRIP(0 0 1 1,0 10 2 2,10 10 3 3,10 0 4 4)The TriangleStrip geometric structure also supports Z and M dimensional information.TRIANGLESTRIP Z(0 0 1,0 10 2,10 10 3,10 0 4)TRIANGLESTRIP M(0 0 1,0 10 2,10 10 3,10 0 4)...
返回子对象的第N个部件。语法 meshgeom ST_NumGeometries(meshgeom geom,integer index);meshgeom ST_NumGeometries(sfmesh sfmeshObject,...MESHGEOM(PATCH(INDEXSURFACE Z(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))
NULL is returned.Examples SELECT ST_3DContains('MESH(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,'MESH(TRIANGLESTRIP Z(0.1 0.1 0.1,0.1 1 0.1,0.1 0.1 1,0.1 1 1))':...
返回子对象的第N个部件。语法 meshgeom ST_NumGeometries(meshgeom geom,integer index);meshgeom ST_NumGeometries(sfmesh sfmeshObject,...MESHGEOM(PATCH(INDEXSURFACE Z(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))
NULL is returned.Examples SELECT ST_3DContains('MESH(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,'MESH(TRIANGLESTRIP Z(0.1 0.1 0.1,0.1 1 0.1,0.1 0.1 1,0.1 1 1))':...
2 patches，1 is point and 2 is indexsurface MESHGEOM(PATCH(POINT(0 0 1),INDEXSURFACE(VERTEX(0 0 1,0 10 2,10 10 3,10 0 4),INDEX((0,1,2),(1,2,3)))))-With Norma and texcoord MESHGEOM(PATCH(TRIANGLESTRIP(0 0 1,0 10 2,10 10 3,...
This topic describes the ST_MeshGeomFromHexEWKB function.This function constructs a meshgeom object from the HEXEWKB ...st_asewkt-MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),1,2,3))))
示例 SELECT ST_AsText(ST_Loft('POLYGON((0 0,1 0,1 1,0 0),(0.5 0.5,0.6 0.5,0.6 0.6,0.5 0.5))','LINESTRING(0 0 0,10 0 0,10 10 0,10 10 10)',5));MESHGEOM(PATCH(POLYGON Z((0-0.333333333333333 0.666666666666667,0 0....
2 patches，1 is point and 2 is indexsurface MESHGEOM(PATCH(POINT(0 0 1),INDEXSURFACE(VERTEX(0 0 1,0 10 2,10 10 3,10 0 4),INDEX((0,1,2),(1,2,3)))))-With Norma and texcoord MESHGEOM(PATCH(TRIANGLESTRIP(0 0 1,0 10 2,10 10 3,...
示例 SELECT ST_AsText(ST_Loft('POLYGON((0 0,1 0,1 1,0 0),(0.5 0.5,0.6 0.5,0.6 0.6,0.5 0.5))','LINESTRING(0 0 0,10 0 0,10 10 0,10 10 10)',5));MESHGEOM(PATCH(POLYGON Z((0-0.333333333333333 0.666666666666667,0 0....
This topic describes the ST_MeshGeomFromHexEWKB function.This function constructs a meshgeom object from the HEXEWKB ...st_asewkt-MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),1,2,3))))
This topic describes the ST_...MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))'));SRID=4490;MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0),INDEX((0,1,2),(1,2,3)))))
This topic describes the ST_MeshGeomFromEWKB function.This function constructs a meshgeom object from the Extended Well-Known Binary...MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),1,2,3))))
This topic describes the ST_...MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))'));SRID=4490;MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0),INDEX((0,1,2),(1,2,3)))))
This topic describes the ST_MeshGeomFromEWKB function.This function constructs a meshgeom object from the Extended Well-Known Binary...MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),1,2,3))))
This topic describes the ST_MeshFromEWKT function.This function ...{"version":1,"srid":4490,"root":0,"meshgeoms":["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}
This topic describes the ST_MeshFromEWKT function.This function ...{"version":1,"srid":4490,"root":0,"meshgeoms":["MESHGEOM(PATCH(TRIANGLESTRIP(0 0,0 10,10 10,10 0)))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}
从meshgeom构造sfmesh对象。...{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}
从meshgeom构造sfmesh对象。...{"version":1,"root":0,"meshgeoms":["MESHGEOM(PATCH(INDEXSURFACE(VERTEX(0 0 2,0 10 3,10 10 1,10 0 1),INDEX((0,1,2),(1,2,3)))))"],"primitives":[{"meshgeom":0}],"nodes":[{"primitive":0}]}