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## U

UNDEFINED - Static variable in class org.gicentre.utils.colour.ColourTable
  Undefined feature.
UNDEFINED - Static variable in class org.gicentre.utils.spatial.Ellipsoid
  Undefined ellipsoid.
UniversalForce - Class in org.gicentre.utils.network.traer.physics
  A `Force` that is applied to `Particle`s at the user's discretion, and hence does not support the `Force.apply()` method.
UniversalForce() - Constructor for class org.gicentre.utils.network.traer.physics.UniversalForce
update() - Method in class org.gicentre.utils.FrameTimer
  Updates the frame counter.
update(E) - Method in class org.gicentre.utils.geom.HashGrid
  Updates the positions of the given item in the hash grid so that its gridded location reflects its new location.
updateAll() - Method in class org.gicentre.utils.geom.HashGrid
  Updates the positions of all items in the hash grid so that their gridded location reflects the location stored inside the `Locatable` objects.
updateAll(float) - Method in class org.gicentre.utils.geom.HashGrid
  Updates the positions of all items in the hash grid so that their gridded location reflects the location stored inside the `Locatable` objects.
updateBoth(Vector3D, Vector3D) - Method in class org.gicentre.utils.network.traer.physics.TwoBodyForce.ForcePair
  Updates the force for both ends according to the parameters.
updateEqualAndOpposite(Vector3D) - Method in class org.gicentre.utils.network.traer.physics.TwoBodyForce.ForcePair
  Sets the force at oneEnd according to forceOnOneEnd argument, and the force on theOtherEnd as equal and opposite.
updateLayout() - Method in class org.gicentre.utils.stat.BarChart
  Updates the layout of the chart if, for example the font has been changed externally.
updateLayout() - Method in class org.gicentre.utils.stat.XYChart
  Updates the layout of the chart if, for example the font has been changed externally.
updateParticles() - Method in class org.gicentre.utils.network.ParticleViewer
  Updates the positions of nodes and edges in the viewer.
updater(Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, float) - Method in class org.gicentre.utils.network.traer.physics.RungeKuttaIntegrator
  Provides the function that updates the particles in the system.
updater(Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, Map<Particle, Vector3D>, float) - Method in class org.gicentre.utils.network.traer.physics.SettlingRungeKuttaIntegrator
  Provides the function that updates the particles in the system.
UPEAK - Static variable in class org.gicentre.utils.colour.ColourTable
  'Universal peak'
UPIT - Static variable in class org.gicentre.utils.colour.ColourTable
  'Universal pit' (e.g.
UTM - Class in org.gicentre.utils.spatial
  Class for representing Universal Transverse Mercator projections.
UTM(Ellipsoid, int, char) - Constructor for class org.gicentre.utils.spatial.UTM
  Initialises the UTM converter with the given ellipsoid and zone.
UTM(Ellipsoid, float, float) - Constructor for class org.gicentre.utils.spatial.UTM
  Initialises the UTM converter with the given ellipsoid.
UTMToLatLong(PVector) - Method in class org.gicentre.utils.spatial.UTM
  Converts the given UTM coordinates into a longitude/latitude location.
UTMToLatLong(PVector, double, double, double, double, double) - Method in class org.gicentre.utils.spatial.UTM
  Converts the given UTM coordinates into a (`lng`,`lat`) referenced location.

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