# Define the system of units to use internally.
InternalUnitSystem:
  UnitMass_in_cgs:     1.9891E43     # 10^10 solar masses 
  UnitLength_in_cgs:   3.08567758E21 # 1 kpc 
  UnitVelocity_in_cgs: 1E5           # km/s
  UnitCurrent_in_cgs:  1             # Amperes
  UnitTemp_in_cgs:     1             # Kelvin

# Parameters for the self-gravity scheme
Gravity:
  eta:          0.025                   # Constant dimensionless multiplier for time integration.
  MAC:          geometric
  theta_cr:     0.7                     # Opening angle (Multipole acceptance criterion).
  use_tree_below_softening:  1
  max_physical_baryon_softening: 0.100  # Physical softening length (in internal units).

# Parameters governing the time integration (Set dt_min and dt_max to the same value for a fixed time-step run.)
TimeIntegration:
  time_begin:        0.    # The starting time of the simulation (in internal units).
  time_end:          2.    # The end time of the simulation (in internal units).
  dt_min:            1e-6  # The minimal time-step size of the simulation (in internal units).
  dt_max:            1e-2  # The maximal time-step size of the simulation (in internal units).

# Parameters governing the snapshots
Snapshots:
  basename:   output      # Common part of the name of output files
  time_first: 0.          # (Optional) Time of the first output if non-cosmological time-integration (in internal units)
  delta_time: 0.001        # Time difference between consecutive outputs (in internal units)
  
# Parameters governing the conserved quantities statistics
Statistics:
  delta_time:           1e-2     # Time between statistics output
  time_first:             0.     # (Optional) Time of the first stats output if non-cosmological time-integration (in internal units)

Scheduler:
  max_top_level_cells:   16

# Parameters related to the initial conditions
InitialConditions:
  file_name:  Isolated_NFW_MN.hdf5  # The file to read
  periodic:                    0    # Are we running with periodic ICs?

# Parameters for the hydrodynamics scheme
SPH:
  minimal_temperature:   1000.    # Minimum allowed gas temperature
  resolution_eta:        1.2348   # Target smoothing length in units of the mean inter-particle separation (1.2348 == 48Ngbs with the cubic spline kernel).
  CFL_condition:         0.2      # Courant-Friedrich-Levy condition for time integration.
  h_min_ratio:           0.1      # Minimal smoothing in units of softening.
  h_max:                 100.


#NFWPotential:
NFW_MNPotential:
  useabspos:        0          # 0 -> positions based on centre, 1 -> absolute positions 
  position:         [0.,0.,0.] # Location of centre of isothermal potential with respect to centre of the box (if 0) otherwise absolute (if 1) (internal units)
  timestep_mult:    0.01       # Dimensionless pre-factor for the time-step condition, basically determines the fraction of the orbital time we use to do the time integration
  epsilon:          0.01       # Softening size (internal units)
  concentration:    10.0       # concentration of the Halo
  M_200:            150.0      # M200 of the galaxy disk
  critical_density: 1.37E-8    # Critical density of the Universe in internal units
  Mdisk:            3.0        # Disk mass (internal units)
  Rdisk:            4.0        # Disk size (internal units)
  Zdisk:            0.4704911  # Disk scale-height (internal units)
