Package science.aist.imaging.api.domain

Class AbstractJavaLine<T extends AbstractJavaPoint<T>>

java.lang.Object

science.aist.imaging.api.domain.AbstractJavaLine<T>

Type Parameters:

T - The type of the point.

Direct Known Subclasses:

JavaLine2D, JavaLine3D

public abstract class AbstractJavaLine<T extends AbstractJavaPoint<T>>
extends Object

Abstract line representation

Since:

1.0

Author:

Christoph Praschl

Field Summary

Fields

Modifier and Type	Field	Description
protected T	endPoint	end point of the line
protected T	startPoint	start point of the line

Constructor Summary

Constructors

Constructor	Description
AbstractJavaLine()

Method Summary

Modifier and Type	Method	Description
protected abstract T	calculateCenterPoint()	Calculate the center point of a given line
List<T>	getInterpolatedPoints(int n)	Method for getting n points between start and endpoint
List<T>	getInterpolatedPoints(int n, boolean includeStartAndEnd)	Method for getting n points between start and endpoint
T	getLineDirection()
abstract T	getPointAlongLine(double distance)	Method for getting a point along this line with the given distance from the startPoint (Based on https://math.stackexchange.com/questions/175896/finding-a-point-along-a-line-a-certain-distance-away-from-another-point) Note: abstract implementation because of generic T not possible also if it is the same calculation.
double	length()	Returns the length of the line.

Methods inherited from class java.lang.Object

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

Field Detail

startPoint

protected T extends AbstractJavaPoint<T> startPoint

start point of the line

endPoint

protected T extends AbstractJavaPoint<T> endPoint

end point of the line

Constructor Detail

AbstractJavaLine

public AbstractJavaLine()

Method Detail

getLineDirection

public T getLineDirection()

Returns:

The direction vector of this line

length

public double length()

Returns the length of the line. JavaPoint.pointDistance(start, end)

Returns:

line of the length

calculateCenterPoint

protected abstract T calculateCenterPoint()

Calculate the center point of a given line

Returns:

center point of the line

getPointAlongLine

public abstract T getPointAlongLine(double distance)

Method for getting a point along this line with the given distance from the startPoint (Based on https://math.stackexchange.com/questions/175896/finding-a-point-along-a-line-a-certain-distance-away-from-another-point) Note: abstract implementation because of generic T not possible also if it is the same calculation.

Parameters:

distance - from the startPoint

Returns:

the point with the given distance

getInterpolatedPoints

public List<T> getInterpolatedPoints(int n)

Method for getting n points between start and endpoint

Parameters:

n - number of interpolated points

Returns:

List of points

getInterpolatedPoints

public List<T> getInterpolatedPoints(int n,
                                     boolean includeStartAndEnd)

Method for getting n points between start and endpoint

Parameters:

n - number of interpolated points

includeStartAndEnd - flag which decides if start and endpoint should be added to the result

Returns:

List of points