version: 3

#################################################
#            computational domian               #
#################################################
domain:
  min_max_dep: [-10.0, 10.0]  # depth in km
  min_max_lat: [37.7, 42.3]   # latitude in degree
  min_max_lon: [22.7, 27.3]   # longitude in degree
  n_rtp: [10, 50, 50]         # number of nodes

source:
  src_rec_file: src_rec_test.dat    # source receiver file (if found, src_dep_lat_lon is ignored)
  swap_src_rec: true                # swap source and receiver (1: yes, 0: no)

model:
  init_model_path: ./test_model_true.h5    # path to initial model file (ignored if init_model_type is '1d_*')

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

output_setting:
  output_dir: ./OUTPUT_FILES/    # path to output director (default is ./OUTPUT_FILES/)
  output_source_field: true     # output the calculated field of all sources
  output_model_dat: false        # output model_parameters_inv_0000.dat or not.
  output_final_model: true       # output merged final model or not.
  output_in_process: true        # output model at each inv iteration or not.
  single_precision_output: false # output results in single precision or not.
  verbose_output_level: 0        # output internal parameters, if 0, only model parameters are out. Higher level, more internal parameters are output. default: 0
  output_file_format: 0          # in/output file format, if 0: HDF5, if 1: ASCII


#################################################
#          inversion or forward modeling        #
#################################################
# run mode
# 0 for forward simulation only,
# 1 for inversion
# 2 for earthquake relocation
# 3 for inversion+earthquake relocation
run_mode: 0

# --- parameters for core solver ---------------------------------------------------------
# --- please do not change the following parameters unless you know what you are doing ---

########################################################################
#            Scheme of Eikonal solver (fast sweeping method)           #
########################################################################
calculation:
  convergence_tolerance: 1e-4
  max_iterations: 500
  stencil_order: 1  # 1 or 3
  stencil_type : 1  # 0: , 1: first-order upwind scheme (only sweep_type 0 is supported)
  sweep_type: 1     # 0: legacy, 1: cuthill-mckee with shm parallelization