# This parameter file sets up Kerr/Kerr-Schild initial data, then
# finds the apparent horizon in it.

cactus::cctk_itlast = 1

ActiveThorns = "IOUtil"
IO::out_dir = $parfile
IO::parfile_write = "no"

ActiveThorns = "Carpet CarpetLib CarpetReduce"
driver::ghost_size = 2
driver::global_nx = 33
driver::global_ny = 33
driver::global_nz = 33

ActiveThorns = "Boundary CartGrid3D CoordBase RotatingSymmetry90 Slab SymBase"
grid::domain = "bitant"
grid::avoid_origin = "false"
grid::type = "byrange"
grid::xmin = -0.2
grid::ymin = -0.2
grid::zmin = -0.2
grid::xmax =  3.0
grid::ymax =  3.0
grid::zmax =  3.0

ActiveThorns = "ADMBase ADMCoupling ADMMacros StaticConformal CoordGauge SpaceMask LegoExcision Exact NaNChecker Time MoL BSSN_MoL"
ADMBase::initial_lapse = "exact"
ADMBase::initial_shift = "exact"
ADMBase::initial_data = "exact"
ADMBase::lapse_evolution_method = "static"
ADMBase::shift_evolution_method = "static"
ADMBase::evolution_method = "adm_bssn"
ADMBase::metric_type = "physical"
Exact::exact_model = "Kerr/Kerr-Schild"
Exact::Kerr_KerrSchild__mass = 1.0
Exact::Kerr_KerrSchild__spin = 0.6
LegoExcision::fixed_excision = sphere
LegoExcision::fixed_size = 1.0
SpaceMask::use_mask = yes
Time::dtfac = 0.25
BSSN_MoL::excise = yes
BSSN_MoL::BSSN_MaxNumConstrainedVars = 16

########################################

ActiveThorns = "SphericalSurface"

ActiveThorns = "LocalInterp AEILocalInterp CarpetInterp CarpetReduce SphericalSurface AHFinderDirect"

AHFinderDirect::print_timing_stats = "true"

AHFinderDirect::h_base_file_name              = "h"
AHFinderDirect::BH_diagnostics_base_file_name = "BH_diagnostics"
AHFinderDirect::output_OpenDX_control_files   = "no"
AHFinderDirect::Theta_norm_for_convergence = 1.0e-12

AHFinderDirect::geometry_interpolator_name = "Lagrange polynomial interpolation"
AHFinderDirect::geometry_interpolator_pars = "order=4"

AHFinderDirect::N_horizons = 1
AHFinderDirect::origin_x[1] = 0.5
AHFinderDirect::origin_y[1] = 0.7
AHFinderDirect::origin_z[1] = 0.0

AHFinderDirect::initial_guess_method[1] = "coordinate sphere"
AHFinderDirect::initial_guess__coord_sphere__x_center[1] = -0.2
AHFinderDirect::initial_guess__coord_sphere__y_center[1] =  0.3
AHFinderDirect::initial_guess__coord_sphere__z_center[1] =  0.0
AHFinderDirect::initial_guess__coord_sphere__radius[1] = 2.0

########################################

ActiveThorns = "CarpetIOASCII"
CarpetIOASCII::out0D_every = 1
CarpetIOASCII::out0D_vars = "ADMBase::gxx AHFinderDirect::ah_radius AHFinderDirect::ah_origin AHFinderDirect::ah_flags"
CarpetIOASCII::out1D_every = 1
CarpetIOASCII::out1D_vars = "ADMBase::gxx AHFinderDirect::ah_radius"
CarpetIOASCII::out2D_every = 1
CarpetIOASCII::out2D_vars = "AHFinderDirect::ah_radius"

ActiveThorns = "CarpetIOHDF5"
IO::checkpoint_ID           = yes
IO::checkpoint_every        = 1
IO::checkpoint_on_terminate = yes
IO::checkpoint_dir          = $parfile
CarpetIOHDF5::checkpoint    = yes