Function datumTransform

datumTransform(
    point: VectorPoint,
    source: ProjectionTransform,
    dest: ProjectionTransform,
): void
Transforms a point from one datum to another
Parameters
- point: VectorPoint
  lon-lat WGS84 point to mutate
- source: ProjectionTransform
  source projection
- dest: ProjectionTransform
  destination projection
Returns void