Package org.locationtech.jts.shape.fractal

Class KochSnowflakeBuilder

java.lang.Object

org.locationtech.jts.shape.GeometricShapeBuilder

org.locationtech.jts.shape.fractal.KochSnowflakeBuilder

public class KochSnowflakeBuilder
extends GeometricShapeBuilder

Field Summary

Fields

Modifier and Type	Field	Description
private CoordinateList	coordList
private static double	HEIGHT_FACTOR	The height of an equilateral triangle of side one
private static double	ONE_THIRD
private static double	THIRD_HEIGHT
private static double	TWO_THIRDS

Fields inherited from class org.locationtech.jts.shape.GeometricShapeBuilder

extent, geomFactory, numPts

Constructor Summary

Constructors

Constructor	Description
KochSnowflakeBuilder(GeometryFactory geomFactory)

Method Summary

Modifier and Type	Method	Description
private void	addSegment(Coordinate p0, Coordinate p1)
void	addSide(int level, Coordinate p0, Coordinate p1)
private Coordinate[]	getBoundary(int level, Coordinate origin, double width)
Geometry	getGeometry()
static int	recursionLevelForSize(int numPts)

Methods inherited from class org.locationtech.jts.shape.GeometricShapeBuilder

createCoord, getCentre, getDiameter, getExtent, getRadius, getSquareBaseLine, getSquareExtent, setExtent, setNumPoints

Methods inherited from class java.lang.Object

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

Field Detail

coordList

private CoordinateList coordList

HEIGHT_FACTOR

private static final double HEIGHT_FACTOR

The height of an equilateral triangle of side one

ONE_THIRD

private static final double ONE_THIRD

See Also:

Constant Field Values

THIRD_HEIGHT

private static final double THIRD_HEIGHT

TWO_THIRDS

private static final double TWO_THIRDS

See Also:

Constant Field Values

Constructor Detail

KochSnowflakeBuilder

public KochSnowflakeBuilder(GeometryFactory geomFactory)

Method Detail

recursionLevelForSize

public static int recursionLevelForSize(int numPts)

getGeometry

public Geometry getGeometry()

Specified by:

getGeometry in class GeometricShapeBuilder

getBoundary

private Coordinate[] getBoundary(int level,
                                 Coordinate origin,
                                 double width)

addSide

public void addSide(int level,
                    Coordinate p0,
                    Coordinate p1)

addSegment

private void addSegment(Coordinate p0,
                        Coordinate p1)