The well-known text (WKT) representation of TRIANGLEFAN consists of the TRIANGLEFAN keyword. The WKT representation of TRIANGLEFAN will include coordinates in the future.

Examples
TRIANGLEFAN(0 0 1 1,0 10 2 2,10 10 3 3,10 0 4 4)
TRIANGLEFAN supports Z and M dimensions.
TRIANGLEFAN Z(0 0 1,0 10 2,10 10 3,10 0 4)
TRIANGLEFAN M(0 0 1,0 10 2,10 10 3,10 0 4)
TRIANGLEFAN ZM(0 0 1 1,0 10 2 2,10 10 3 3,10 0 4 4)