Package hec.geometry

Class LocalPt

java.lang.Object

hec.geometry.LocalPt

public class LocalPt
extends Object

Represents points in local coordinate space.

Field Summary

Fields

Modifier and Type	Field	Description
int	x
int	y

Constructor Summary

Constructors

Constructor	Description
LocalPt()
LocalPt(int px, int py)
LocalPt(LocalPt p)

Method Summary

Modifier and Type	Method	Description
boolean	equals(LocalPt p)
WorldPt	getNormal()
void	init(int px, int py)
void	init(LocalPt p)
boolean	isValid()	Point is valid if its coordinates are valid
double	length()
double	ptNearLineSeg(LocalPt pt0, LocalPt pt1, LocalPt ptn)	Takes two points pt0,pt1 and returns that would occur on a line segment between pt1,pt0 that is closest to this point.ptn is the closest point and the return value is the distance.

Methods inherited from class java.lang.Object

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

Field Details

x

public int x

y

public int y

Constructor Details

LocalPt

public LocalPt()

LocalPt

public LocalPt(int px,
 int py)

LocalPt

public LocalPt(LocalPt p)

Method Details

init

public void init(int px,
 int py)

init

public void init(LocalPt p)

length

public double length()

getNormal

public WorldPt getNormal()

ptNearLineSeg

public double ptNearLineSeg(LocalPt pt0,
 LocalPt pt1,
 LocalPt ptn)

Takes two points pt0,pt1 and returns that would occur on a line segment between pt1,pt0 that is closest to this point.ptn is the closest point and the return value is the distance.

Parameters:

pt0 -

pt1 -

ptn -

Returns:

isValid

public boolean isValid()

Point is valid if its coordinates are valid

Returns:

equals

public boolean equals(LocalPt p)