Do not specify the parameters in the YAML files if the values given are the default values.

examples/CoolingHalo/cooling_halo.yml

@@ -31,11 +31,9 @@ SPH:
 # Parameters related to the initial conditions
 InitialConditions:
   file_name:  CoolingHalo.hdf5       # The file to read
-  shift:      [0.,0.,0.]             # A shift to apply to all particles read from the ICs (in internal units).
  
 # External potential parameters
 IsothermalPotential:
-  position:        [0.,0.,0.] # location of centre of isothermal potential in internal units
   vrot:            200.     # rotation speed of isothermal potential in internal units
   timestep_mult:   0.03     # controls time step
   epsilon:         0.1    #softening for the isothermal potential

examples/CoolingHaloWithSpin/cooling_halo.yml

@@ -34,7 +34,6 @@ InitialConditions:
  
 # External potential parameters
 IsothermalPotential:
-  position:        [0.,0.,0.] # Location of centre of isothermal potential in internal units
   vrot:            200.   # Rotation speed of isothermal potential in internal units
   timestep_mult:   0.03   # Controls time step
   epsilon:         1.0    # Softening for the isothermal potential

examples/HydrostaticHalo/hydrostatic.yml

@@ -34,7 +34,6 @@ InitialConditions:
  
 # External potential parameters
 IsothermalPotential:
-  position:        [0.,0.,0.] # location of centre of isothermal potential in internal units
   vrot:            200.     # rotation speed of isothermal potential in internal units
   epsilon:         1.0
   timestep_mult:   0.03     # controls time step

examples/IsothermalPotential/isothermal.yml

@@ -30,7 +30,6 @@ InitialConditions:
  
 # External potential parameters
 IsothermalPotential:
-  position:        [0.,0.,0.] # location of centre of isothermal potential in internal units
   vrot:            200.       # rotation speed of isothermal potential in internal units
   timestep_mult:   0.01       # controls time step
   epsilon:         0.         # No softening at the centre of the halo

examples/KeplerianRing/keplerian_ring.yml

@@ -32,7 +32,6 @@ SPH:
 # Parameters related to the initial conditions
 InitialConditions:
   file_name:  initial_conditions.hdf5        # The file to read
-  shift:      [0.,0.,0.]                     # A shift to apply to all particles read from the ICs (in internal units).
 
 # External potential parameters
 PointMassPotential: