createIndexableFields
create indexable fields for cartesian polygon geometry
fun createIndexableFields(fieldName: String, polygon: XYPolygon, checkSelfIntersections: Boolean): Array<Field>
create indexable fields for cartesian polygon geometry. If checkSelfIntersections is set to true, the validity of the provided polygon is checked with a small performance penalty.
create indexable fields for cartesian line geometry
create indexable fields for cartesian point geometry