An extended well-known text (EWKT) presentation also provides the spatial reference identifier (SRID) and SOLID information in addition to the information in a WKT presentation.
The segments of an EWKT representation are separated by semicolons (
;).SRID=4326;MESHGEOM(PATCH(INDEXSURFACE M(VERTEX(0 0 1,0 10 2,10 10 3,10 0 4), INDEX((0,1,2),(1,2,3)))))
SRID=4326;SOLID=true;MESHGEOM(PATCH(INDEXSURFACE M(VERTEX(0 0 1,0 10 2,10 10 3,10 0 4), INDEX((0,1,2),(1,2,3)))))