How to deal with units ?

• Define a system of units
  • Define a system of unit using UnitSystem()
  • Define a system of unit using Set_SystemUnits_From_Params()
  • Define a system of unit using Set_SystemUnits_From_File()
• Link a unit system to a pNbody object
  • Defining units explicitely
  • Defining units using a units parameter file
  • Defining units using a gadget parameter file
  • Defining units when opening a file
• How to deal with comoving to proper units conversion ?
  • Comoving to proper conversion factor
  • Hubble parameter correction
• Converting units
  • Example 1:
  • Example 2:
  • Example 3:
  • Example 3:
  • Example 4: