point_zone_fctry.f90

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submodule(point_zone) point_zone_fctry
  use box_point_zone, only: box_point_zone_t
  use sphere_point_zone, only: sphere_point_zone_t
  use cylinder_point_zone, only: cylinder_point_zone_t
  use json_utils, only: json_get
  use utils, only : concat_string_array
  implicit none
 
  ! List of all possible types created by the factory routine
  character(len=20) :: POINTZ_KNOWN_TYPES(3) = [character(len=20) :: &
     "box", &
     "sphere", &
     "cylinder"]
 
contains
 
  module subroutine point_zone_factory(object, json, dof)
    class(point_zone_t), allocatable, intent(inout) :: object
    type(json_file), intent(inout) :: json
    type(dofmap_t), intent(inout), optional :: dof
    character(len=:), allocatable :: type_name
    character(len=:), allocatable :: type_string
 
    call json_get(json, "geometry", type_name)
 
    if (trim(type_name) .eq. "box") then
       allocate(box_point_zone_t::object)
    else if (trim(type_name) .eq. "sphere") then
       allocate(sphere_point_zone_t::object)
    else if (trim(type_name) .eq. "cylinder") then
       allocate(cylinder_point_zone_t::object)
    else
       type_string =  concat_string_array(pointz_known_types, &
            new_line('A') // "-  ", .true.)
       call neko_error("Unknown point zone type: " &
                       // trim(type_name) // ".  Known types are: " &
                       // type_string)
    end if
 
    if (present(dof)) then
       call object%init(json, dof%size())
       call object%map(dof)
       call object%finalize()
    else
       ! This is for initializing zones inside a combine point zone,
       ! as they don't need to be mapped
       call object%init(json, 1)
       call object%finalize()
    end if
 
 
  end subroutine point_zone_factory
 
end submodule point_zone_fctry