Top Description Fields Constructors Methods
jogamp.opengl.glu.nurbs

public Class Knotvector

extends Object
Class Inheritance
Knot vector used in curve specification
Author
Tomas Hrasky

Field Summary

Modifier and TypeField and Description
pack-priv int
knotcount

Number of knots

pack-priv float[]
knotlist

Knots

private static final int
MAXORDER

Maximum curve order

pack-priv int
order

Curve order

pack-priv int
stride

Number of control points' coordinates

public static final float
TOLERANCE

Tolerance used when comparing knots - when difference is smaller, knots are considered equal

Constructor Summary

AccessConstructor and Description
public
Knotvector(final int
number of knots
nknots, final int
number of ctrl points' corrdinates
stride, final int
curve order
order, final float[]
knots
knot)

Makes new knotvector

Method Summary

Modifier and TypeMethod and Description
public static boolean

Returns:

knots are/are not equal
identical(final float
first knot
a, final float
second knot
b)

Compares two knots for equality

public void
init(final int
number of knots
nknots, final int
number of ctrl points' corrdinates
stride, final int
curve order
order, final float[]
knots
knot)

Initializes knotvector

public void
show(final String
message to be shown
msg)

Show specified message

public int

Returns:

knot vector validity
validate()

Validates knot vector parameters

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

knotcountback to summary
pack-priv int knotcount

Number of knots

knotlistback to summary
pack-priv float[] knotlist

Knots

MAXORDERback to summary
private static final int MAXORDER

Maximum curve order

orderback to summary
pack-priv int order

Curve order

strideback to summary
pack-priv int stride

Number of control points' coordinates

TOLERANCEback to summary
public static final float TOLERANCE

Tolerance used when comparing knots - when difference is smaller, knots are considered equal

Constructor Detail

Knotvectorback to summary
public Knotvector(final int nknots, final int stride, final int order, final float[] knot)

Makes new knotvector

Parameters
nknots:int

number of knots

stride:int

number of ctrl points' corrdinates

order:int

curve order

knot:float[]

knots

Method Detail

identicalback to summary
public static boolean identical(final float a, final float b)

Compares two knots for equality

Parameters
a:float

first knot

b:float

second knot

Returns:boolean

knots are/are not equal

initback to summary
public void init(final int nknots, final int stride, final int order, final float[] knot)

Initializes knotvector

Parameters
nknots:int

number of knots

stride:int

number of ctrl points' corrdinates

order:int

curve order

knot:float[]

knots

showback to summary
public void show(final String msg)

Show specified message

Parameters
msg:String

message to be shown

validateback to summary
public int validate()

Validates knot vector parameters

Returns:int

knot vector validity