JOGL 2.3.2 · jogamp.opengl.glu.nurbs.Knotspec

Field Summary

Modifier and Type	Field and Description
pack-priv CArrayOfBreakpts	bbegin Beginning of breakpoints
pack-priv CArrayOfBreakpts	bend End of breakpoints
public CArrayOfFloats	inkbegin Begin of input knots
public CArrayOfFloats	inkend End of input knots
public boolean	istransformed Tell whether knotspec has already benn transformed
pack-priv CArrayOfFloats	kfirst First knot
public CArrayOfFloats	klast Last knot
pack-priv CArrayOfFloats	kleft Considered left end knot
pack-priv CArrayOfFloats	kright Considered right end knot
public Knotspec	kspectotrans Knotspec to be transformed
public int	ncoords Number of control points' coordinates
public Knotspec	next Next knot specification in linked list (used in surfaces)
public int	order Curve order
private CArrayOfFloats	outkbegin Beginning of output knots
private CArrayOfFloats	outkend End of output knots
pack-priv int	postoffset Offset after knot operations
public int	poststride Number of control points' coordinates after knot operations
pack-priv int	postwidth Control points array Length after knot operations
pack-priv int	preoffset Offset before knot operations
public int	prestride Stride before knot operations
pack-priv int	prewidth Control points aray length before knot operations
private CArrayOfFloats	sbegin Beginning of coeficients array

Constructor Summary

Access	Constructor and Description
public	Knotspec()

Method Summary

Modifier and Type	Method and Description
private void	breakpoints() Analyzes breakpoints
public void	copy(final CArrayOfFloats input control points _inpt, final CArrayOfFloats output control points _outpt) Copies control points
private void	factors() Computes alpha factors for computing new control points
private void	insert(final CArrayOfFloats inserted knot p) Inserts a knot and computes new control points
private void	knots() Makes new knot vector
public void	preselect() Finds knot border of knot insertion and required multiplicities
private void	pt_io_copy(final CArrayOfFloats source control point topt, final CArrayOfFloats destination control point frompt) Copies one control point to other
private void	pt_oo_copy(final CArrayOfFloats source ctrl point topt, final CArrayOfFloats distance ctrl point frompt) Copies one control point to another
private void	pt_oo_sum(final CArrayOfFloats first point x, final CArrayOfFloats second point y, final CArrayOfFloats third pont z, final float alpha a, final double 1 - alpha b) Computes new control point
public void	select() Perpares knotspec for transformation
public void	transform(final CArrayOfFloats inserted knot _p) Inserts a knot

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

bbegin	back to summary
pack-priv CArrayOfBreakpts bbegin Beginning of breakpoints

bend	back to summary
pack-priv CArrayOfBreakpts bend End of breakpoints

inkbegin	back to summary
public CArrayOfFloats inkbegin Begin of input knots

inkend	back to summary
public CArrayOfFloats inkend End of input knots

istransformed	back to summary
public boolean istransformed Tell whether knotspec has already benn transformed

kfirst	back to summary
pack-priv CArrayOfFloats kfirst First knot

klast	back to summary
public CArrayOfFloats klast Last knot

kleft	back to summary
pack-priv CArrayOfFloats kleft Considered left end knot

kright	back to summary
pack-priv CArrayOfFloats kright Considered right end knot

kspectotrans	back to summary
public Knotspec kspectotrans Knotspec to be transformed

ncoords	back to summary
public int ncoords Number of control points' coordinates

next	back to summary
public Knotspec next Next knot specification in linked list (used in surfaces)

order	back to summary
public int order Curve order

outkbegin	back to summary
private CArrayOfFloats outkbegin Beginning of output knots

outkend	back to summary
private CArrayOfFloats outkend End of output knots

postoffset	back to summary
pack-priv int postoffset Offset after knot operations

poststride	back to summary
public int poststride Number of control points' coordinates after knot operations

postwidth	back to summary
pack-priv int postwidth Control points array Length after knot operations

preoffset	back to summary
pack-priv int preoffset Offset before knot operations

prestride	back to summary
public int prestride Stride before knot operations

prewidth	back to summary
pack-priv int prewidth Control points aray length before knot operations

sbegin	back to summary
private CArrayOfFloats sbegin Beginning of coeficients array

Constructor Detail

Knotspec	back to summary
public Knotspec()

Method Detail

breakpoints	back to summary
private void breakpoints() Analyzes breakpoints

copy	back to summary
public void copy(final CArrayOfFloats _inpt, final CArrayOfFloats _outpt) Copies control points Parameters _inpt:CArrayOfFloats input control points _outpt:CArrayOfFloats output control points

copy

back to summary

public void copy(final CArrayOfFloats _inpt, final CArrayOfFloats _outpt)

Copies control points

Parameters

_inpt:CArrayOfFloats: input control points
_outpt:CArrayOfFloats: output control points

factors	back to summary
private void factors() Computes alpha factors for computing new control points

insert	back to summary
private void insert(final CArrayOfFloats p) Inserts a knot and computes new control points Parameters p:CArrayOfFloats inserted knot

insert

back to summary

private void insert(final CArrayOfFloats p)

Inserts a knot and computes new control points

Parameters

p:CArrayOfFloats: inserted knot

knots	back to summary
private void knots() Makes new knot vector

preselect	back to summary
public void preselect() Finds knot border of knot insertion and required multiplicities

pt_io_copy	back to summary
private void pt_io_copy(final CArrayOfFloats topt, final CArrayOfFloats frompt) Copies one control point to other Parameters topt:CArrayOfFloats source control point frompt:CArrayOfFloats destination control point

pt_io_copy

back to summary

private void pt_io_copy(final CArrayOfFloats topt, final CArrayOfFloats frompt)

Copies one control point to other

Parameters

topt:CArrayOfFloats: source control point
frompt:CArrayOfFloats: destination control point

pt_oo_copy	back to summary
private void pt_oo_copy(final CArrayOfFloats topt, final CArrayOfFloats frompt) Copies one control point to another Parameters topt:CArrayOfFloats source ctrl point frompt:CArrayOfFloats distance ctrl point

pt_oo_copy

back to summary

private void pt_oo_copy(final CArrayOfFloats topt, final CArrayOfFloats frompt)

Copies one control point to another

Parameters

topt:CArrayOfFloats: source ctrl point
frompt:CArrayOfFloats: distance ctrl point

pt_oo_sum	back to summary
private void pt_oo_sum(final CArrayOfFloats x, final CArrayOfFloats y, final CArrayOfFloats z, final float a, final double b) Computes new control point Parameters x:CArrayOfFloats first point y:CArrayOfFloats second point z:CArrayOfFloats third pont a:float alpha b:double 1 - alpha

pt_oo_sum

back to summary

private void pt_oo_sum(final CArrayOfFloats x, final CArrayOfFloats y, final CArrayOfFloats z, final float a, final double b)

Computes new control point

Parameters

x:CArrayOfFloats: first point
y:CArrayOfFloats: second point
z:CArrayOfFloats: third pont
a:float: alpha
b:double: 1 - alpha

select	back to summary
public void select() Perpares knotspec for transformation

transform	back to summary
public void transform(final CArrayOfFloats _p) Inserts a knot Parameters _p:CArrayOfFloats inserted knot

transform

back to summary

public void transform(final CArrayOfFloats _p)

Inserts a knot

Parameters

_p:CArrayOfFloats: inserted knot

public Class Knotspec

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail