{
  "size_m": [2, 2],
  "sheet_height_m": 1,
  "periodic_wrap_limit": 10000,
  "wavelengths_nm": [550, 850, 1600],
  "front_reflectance": [0.2, 0.1, 0.8],
  "back_reflectance": [0.3, 0.8, 0.8],
  "transmittance": [0.5, 0.15, 0.2],
  "ground_reflectance": [0.6, 0.9, 1],
  "sun_zenith_degrees": 30,
  "normal_irradiance_W_m2_nm": [1, 1, 1],
  "photon_budgets": [1000000, 2000000, 4000000, 8000000, 16000000],
  "interaction_limits": [1, 2, 3, 5, 9, 17, 33],
  "full_interaction_limit": 200,
  "view_directions": [[0, 0], [30, 90], [60, 180]],
  "thresholds": {
    "fraction_absolute_error": 0.005,
    "brf_absolute_error": 0.005,
    "closure_absolute_error": 0.003,
    "full_truncated_fraction": 0.00001,
    "budget_change_absolute": 0.003
  }
}