void Initialize ( const [UPCGSplineData](API\Plugins\PCG\Data\UPCGSplineData) * InSourceSpline, const [UPCGSpatialData](API\Plugins\PCG\Data\UPCGSpatialData) * InTargetSurface, const [FPCGProjectionParams](API\Plugins\PCG\Elements\FPCGProjectionParams) & InParams )