version : 2

domain :
  #min_max_dep : [-21.863,308.8137] # depth in km
  min_max_dep : [-29.0,301.0] # depth in km
  min_max_lat : [28.5,51.5] # latitude in degree
  min_max_lon : [13.5,41.5] # longitude in degree
  n_rtp : [55,55,55] # number of nodes

source :
  #src_dep_lat_lon : [5.0,40.0,24.0] # source depth in km, latitude, longitude in degree
  #src_dep_lat_lon : [5750.6370,46.0,36.0] # source depth in km, latitude, longitude in degree
  src_rec_file : 'src_rec_test_out.dat' # source receiver file (if found, src_dep_lat_lon is ignored)
  #src_rec_file : 'src_rec_compare_with_fortran_out.dat' # source receiver file (if found, src_dep_lat_lon is ignored)
  swap_src_rec : 1 # swap source and receiver (1: yes, 0: no)


model :
  init_model_type : '' # 'fd' (input file) or '1d_ak135'
  init_model_path : './test_model_init.h5' # path to initial model file (ignored if init_model_type is '1d_*')

inversion :
  run_mode : 1 # 0 for forward simulation only, 1 for inversion
  optim_method : 2 # optimization method. 0 : "grad_descent", 1 : "lbfgs", 2 : "halve-stepping"
  smooth_method : 0 # 0: multigrid parametrization, 1: laplacian smoothing with CG
  max_iterations_inv : 100  # maximum number of inversion iterations
  step_size : 0.01  # step size for inversion

  # parameters for multiparametric inversion
  n_inversion_grid : 5  # number of inversion grid sets
  n_inv_dep_lat_lon : [11,10,10] # number of the base inversion grid points
  min_max_dep_inv : [-29.0, 301.0] # depth in km with R = 6371.0
  min_max_lat_inv : [30.0,50.0] # latitude in degree
  min_max_lon_inv : [15.0,40.0] # longitude in degree
  # parameters for laplacian smoothing
  l_smooth_rtp : [1,1,1] # smoothing coefficients for each direction
  regularization_weight : 2000.0 # regularization weight
  # parameter for halving-stepping or lbfgs
  max_sub_iterations : 100 # maximum number of sub-iterations


parallel :
  n_sims : 1 # number of simultaneous run
  ndiv_rtp : [2,2,2] # number of subdomains
  nproc_sub : 1      # number of subprocess used for each subdomain
  use_gpu : 0

calculation :
  convergence_tolerance : 1e-5
  max_iterations : 200
  stencil_order : 3 # 1 or 3
  sweep_type : 2   # 0: legacy, 1: cuthill-mckee with shm parallelization