/// <summary>
/// Initializes a new instance of the <see cref="PositionParticleFilter"/> class.
/// </summary>
/// <param name="noiseGenerator">See noiseGenerator argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
/// <param name="resampleNoiseSize">See resampleNoiseSize argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
/// <param name="resampler">See resampler argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
/// <param name="particleGenerator">See particleGenerator argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
/// <param name="particleAmount">See particleAmount argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
/// <param name="fieldSize">The dimensions of the area where the user can be.</param>
/// <param name="smoother">See smoother argument of the constructor of <seealso cref="AbstractParticleFilter"/></param>
public PositionParticleFilter(
INoiseGenerator noiseGenerator,
float resampleNoiseSize,
IResampler resampler,
IParticleGenerator particleGenerator,
int particleAmount,
FieldSize fieldSize,
ISmoother smoother)
: base(
resampler,
noiseGenerator,
new LinearParticleController(particleGenerator, particleAmount, fieldSize.Xmin, fieldSize.Xmax),
new LinearParticleController(particleGenerator, particleAmount, fieldSize.Ymin, fieldSize.Ymax),
new LinearParticleController(particleGenerator, particleAmount, fieldSize.Zmin, fieldSize.Zmax),
resampleNoiseSize,
smoother,
Enumerable.Average)
{
this.displacementSources = new List <IDisplacementSource>();
this.positionSources = new List <IPositionSource>();
this.iex = new LinearRegression();
this.iey = new LinearRegression();
this.iez = new LinearRegression();
}
/// <summary>
/// Predicts the value for the current timestamp and move the particles.
/// </summary>
/// <param name="cont">The dimension to predict in.</param>
/// <param name="ie">The prediction algorithm to use.</param>
private void Predict(AbstractParticleController cont, IExtrapolate ie)
{
float prediction = (float)ie.PredictChange(this.PreviousTimeStamp, this.CurrentTimeStamp);
cont.AddToValues(prediction);
}
