TO_CARTESIANPOINT

Converts an input value to a point value.The input can be a single- or multi-valued field or an expression.
The input type must be a string or a cartesian point.A string will only be successfully converted if it respects the
WKT Point format:
row wkt = ["POINT(4297.11 -1475.53)", "POINT(7580.93 2272.77)"]
| mv_expand wkt
| eval pt = to_cartesianpoint(wkt)
