Package org.openjump.core.graph.pirolProject

Class PirolEdge

java.lang.Object

org.openjump.core.graph.pirolProject.PirolEdge

public class PirolEdge
extends Object

Class that describes a single line, specified by it's starting and end point. If offers methods e.g. to find intersection points with other Kante objects or to determine on which side of the Kante object a given punkt object resides.

Version:

$Rev: 2509 $

Author:

Ole Rahn

FH Osnabrück - University of Applied Sciences Osnabrück,
Project: PIROL (2005),
Subproject: Daten- und Wissensmanagement

See Also:

modified: [sstein]: 16.Feb.2009 changed logger-entries to comments

Field Summary

Fields

Modifier and Type	Field	Description
protected PirolPoint	anfang
protected boolean	anfangUnbegrenzt
protected PirolPoint	ende
protected boolean	endeUnbegrenzt
protected boolean	gueltig
protected static double	infinityFaktor
static PirolEdge	KANTE_X0Y0ToX0Y1
static PirolEdge	KANTE_X0Y0ToX1Y0
protected int	punktIndexA
protected int	punktIndexB

Constructor Summary

Constructors

Constructor	Description
PirolEdge(PirolPoint anfang, double steigung, double laenge)
PirolEdge(PirolPoint anfang, PirolPoint ende)
PirolEdge(PirolPoint anfang, PirolPoint ende, boolean anfangUnbegrenzt, boolean endeUnbegrenzt)

Method Summary

Modifier and Type	Method	Description
double	getABFaktorZumNormalenFaktor(PirolPoint pkt)
PirolPoint	getAnfang()
PirolPoint	getEnde()
double	getLaenge()
double	getNormalenFaktorZu(PirolPoint pkt)
PirolEdge	getNormalenKante(double laenge)
int	getPunktIndexA()
int	getPunktIndexB()
PirolPoint	getSchnittpunkt(PirolEdge k2)
static PirolPoint	getSchnittpunkt(PirolEdge k1, PirolEdge k2)
double	getSteigung()
boolean	isAnfangUnbegrenzt()
boolean	isEndeUnbegrenzt()
boolean	isGueltig()
boolean	isParallelZu(PirolEdge k)
boolean	isParallelZu(PirolEdge k, double infinityFactor)
static PirolEdge	kreiereKanteDurchPunktInnerhalbBegrenzung(PirolPoint p, double steigung, org.locationtech.jts.geom.Envelope begrenzung)
void	setAnfang(PirolPoint anfang)
void	setAnfangUnbegrenzt(boolean anfangUnbegrenzt)
void	setEnde(PirolPoint ende)
void	setEndeUnbegrenzt(boolean endeUnbegrenzt)
void	setGueltig(boolean gueltig)
void	setPunktIndexA(int punktIndexA)
void	setPunktIndexB(int punktIndexB)
static PirolEdge	shiftLine(PirolEdge lineToShift, PirolPoint shiftingVector)	creates a new PirolEdge object, that has a length equal to lineToShift's length and is parallel to lineToShift.
void	switchPoints()	switch starting and end point of this PirolEdge instance.
String	toString()
int	vorzeichenDesNormalenFaktors(PirolPoint pkt)

Methods inherited from class java.lang.Object

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

Field Detail

KANTE_X0Y0ToX0Y1

public static PirolEdge KANTE_X0Y0ToX0Y1

KANTE_X0Y0ToX1Y0

public static PirolEdge KANTE_X0Y0ToX1Y0

anfang

protected PirolPoint anfang

ende

protected PirolPoint ende

punktIndexA

protected int punktIndexA

punktIndexB

protected int punktIndexB

anfangUnbegrenzt

protected boolean anfangUnbegrenzt

endeUnbegrenzt

protected boolean endeUnbegrenzt

gueltig

protected boolean gueltig

infinityFaktor

protected static double infinityFaktor

Constructor Detail

PirolEdge

public PirolEdge(PirolPoint anfang,
                 PirolPoint ende,
                 boolean anfangUnbegrenzt,
                 boolean endeUnbegrenzt)

PirolEdge

public PirolEdge(PirolPoint anfang,
                 PirolPoint ende)

PirolEdge

public PirolEdge(PirolPoint anfang,
                 double steigung,
                 double laenge)

Method Detail

shiftLine

public static PirolEdge shiftLine(PirolEdge lineToShift,
                                  PirolPoint shiftingVector)
                           throws Exception

creates a new PirolEdge object, that has a length equal to lineToShift's length and is parallel to lineToShift.

Parameters:

lineToShift - the line to be shifted

shiftingVector - x,y,z component for the shifting (will be added to lineToShift's starting and end point).

Returns:

a new, shifted PirolEdge object

Throws:

Exception - if an Exception occurs

switchPoints

public void switchPoints()

switch starting and end point of this PirolEdge instance.

kreiereKanteDurchPunktInnerhalbBegrenzung

public static PirolEdge kreiereKanteDurchPunktInnerhalbBegrenzung(PirolPoint p,
                                                                  double steigung,
                                                                  org.locationtech.jts.geom.Envelope begrenzung)
                                                           throws Exception

Throws:

Exception

isParallelZu

public boolean isParallelZu(PirolEdge k)
                     throws Exception

Throws:

Exception

isParallelZu

public boolean isParallelZu(PirolEdge k,
                            double infinityFactor)
                     throws Exception

Throws:

Exception

getSteigung

public double getSteigung()
                   throws Exception

Throws:

Exception

getSchnittpunkt

public static PirolPoint getSchnittpunkt(PirolEdge k1,
                                         PirolEdge k2)
                                  throws Exception

Throws:

Exception

getSchnittpunkt

public PirolPoint getSchnittpunkt(PirolEdge k2)
                           throws Exception

Throws:

Exception

vorzeichenDesNormalenFaktors

public int vorzeichenDesNormalenFaktors(PirolPoint pkt)
                                 throws Exception

Throws:

Exception

getABFaktorZumNormalenFaktor

public double getABFaktorZumNormalenFaktor(PirolPoint pkt)
                                    throws Exception

Throws:

Exception

getNormalenFaktorZu

public double getNormalenFaktorZu(PirolPoint pkt)
                           throws Exception

Throws:

Exception

getNormalenKante

public PirolEdge getNormalenKante(double laenge)
                           throws Exception

Throws:

Exception

toString

public String toString()

Overrides:

toString in class Object

getLaenge

public double getLaenge()
                 throws Exception

Throws:

Exception

getAnfang

public PirolPoint getAnfang()

setAnfang

public void setAnfang(PirolPoint anfang)

isAnfangUnbegrenzt

public boolean isAnfangUnbegrenzt()

setAnfangUnbegrenzt

public void setAnfangUnbegrenzt(boolean anfangUnbegrenzt)

getEnde

public PirolPoint getEnde()

setEnde

public void setEnde(PirolPoint ende)

isEndeUnbegrenzt

public boolean isEndeUnbegrenzt()

setEndeUnbegrenzt

public void setEndeUnbegrenzt(boolean endeUnbegrenzt)

isGueltig

public boolean isGueltig()

setGueltig

public void setGueltig(boolean gueltig)

getPunktIndexA

public int getPunktIndexA()

setPunktIndexA

public void setPunktIndexA(int punktIndexA)

getPunktIndexB

public int getPunktIndexB()

setPunktIndexB

public void setPunktIndexB(int punktIndexB)