ff run [on|off|tog]| Enables running of forcefield on force objects
| ff step [N]| Runs the forcefield for [N=1] timesteps and then stops
| ff tsLen [N]| sets timestep length to [N]
| ff covalentFailDist [N]| sets covalent bonding fail distance (distance which bonded atoms can drift from bond limits)
| ff zeroVel [on|off|tog]| sets velocities of force objects to zero at start of each timestep
| ff maxStericDist [N]| sets maximum distance for steric interactions (distance between force object center-of-masses)
| ff maxElectroDist [N]| sets maximum distance for electrostatic interactions (distance between charged atoms)
| ff maxHbondDist [N]| sets maximum distance for hydrogen bonding interactions (distance between hydrogen and acceptor atom)
| ff maxRingStackDist [N]| sets maximum distance for ring stacking interactions (distance between ring center-of-masses)
| ff hbondScaleForce [N]| sets scale factor for hydrogen bond force
| ff covalentScaleForce [N]| sets scale factor for covalent bonds
| ff ringStackScaleForce [N]| sets scale factor for aromatic ring stacking interactions
| ff electroScaleForce [N]| sets scale factor for electrostatic interactions
| ff stericForceEnabled [on|off|tog]| Enables steric force
| ff torsionForceEnabled [on|off|tog]| Enables torsion force
| ff hbondForceEnabled [on|off|tog]| Enables hbond force
| ff covalentForceEnabled [on|off|tog]| Enables covalent bond force
| ff ringStackForceEnabled [on|off|tog]| Enables ring-stacking force
| ff electroForceEnabled [on|off|tog]| Enables electrostatic force
| ff movementEnabled [on|off|tog]| Enables timestep movement
| ff linFriction [N]| sets friction factor on linear movement
| ff rotFriction [N]| sets friction factor on rotational movement
| ff maxMove [N]| sets limit on maximum linear movement in a timestep
| ff maxRot [N]| sets limit on maximum rotational movement in a timestep
| ff nbeProject [N]| sets projection of non-bonding electrons along atom radius, as a fraction of the vdw boundary
| ff stericAttractExp [N]| sets steric force attraction exponent
| ff stericRepulseExp [N]| sets steric force repulsion exponent
| ff vdwTorsionScale [N]| sets the scaling factor for van der waals radii used in torsion force calculation
| ff hbElectroScale [N]| sets the scaling factor for hydrogen bond electrostatic force
| ff hbElectroCalcEnabled [on|off|tog]| Enables hydrogen-bonding electrostatic force
| ff volBounceEnabled [on|off|tog]| Enables bouncing off volume boundaries
| ff volBounceForce [N]| Sets/shows magnitude of volume bounce force
| ff energyCalcEnabled [on|off|tog]| Enables energy calculation in addition to force calculation
| ff reportStats | reports interaction statistics for most recent timestep
| ff timestepsPerTick [N]| sets the number of timesteps that are done in each application timer event tick
| ff reset | Resets the timestep context to initial state (clears timestep statistics and count), but does not change current ff parameters.
| ff resetTsCount | Resets the timestep counter to zero.
| ff setFfParamDefaults | Sets the timestep parameters to default values.
| ff paramsWrite <outFileName>| Writes all forcefield global settings to 'outFileName'.
| ff paramsRead <inFileName>| Reads all forcefield global settings from 'inFileName'.
| ff paramsReport | Reports all forcefield global settings to status window.
| ff fo | Force Object commands
| ff movie | Forcefield movie commands.
| ff cfc | Custom Force Container commands
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