Module imagingbook.common

Package imagingbook.common.geometry.fitting.line.utils

Class LineSampler

java.lang.Object

imagingbook.common.geometry.fitting.line.utils.LineSampler

public class LineSampler
extends Object

Instances of this class are used to randomly sample points along a given straight line segment, x/y coordinates being perturbed with Gaussian noise. Mainly used for testing line fitters.

Version:

2022/09/29

Constructor Summary

Constructors

Constructor	Description
LineSampler(Pnt2d p1, Pnt2d p2)	Constructor (with no specific seed).
LineSampler(Pnt2d p1, Pnt2d p2, long seed)	Constructor (with specific random seed).

Method Summary

Modifier and Type	Method	Description
Pnt2d[]	getPoints(int n, double sigma)	Returns an array of randomly sampled points.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LineSampler

public LineSampler(Pnt2d p1,
 Pnt2d p2)

Constructor (with no specific seed).

Parameters:

p1 - first point of the line segment

p2 - second point of the line segment

LineSampler

public LineSampler(Pnt2d p1,
 Pnt2d p2,
 long seed)

Constructor (with specific random seed).

Parameters:

p1 - first point of the line segment

p2 - second point of the line segment

seed - random seed (pass 0 for complete randomness)

Method Details

getPoints

public Pnt2d[] getPoints(int n,
 double sigma)

Returns an array of randomly sampled points.

Parameters:

n - the number of points

sigma - standard deviation of Gaussian position noise

Returns:

an array of random points