cz.cuni.jagrlib.piece
Class Deformations

java.lang.Object
  cz.cuni.jagrlib.DefaultProperty
      cz.cuni.jagrlib.Piece
          cz.cuni.jagrlib.DefaultFunctionR2ToR2
              cz.cuni.jagrlib.piece.Deformations

All Implemented Interfaces:

Breakable, FunctionR2ToR2, Property, Template

public class Deformations
extends DefaultFunctionR2ToR2

R²->R² mappings (analytic warping sample transforms).

Since:

0.24

See Also:

Deformations.java

Nested Class Summary

protected static class

Deformations.DeformationType Implemented deformation types.

Field Summary

static java.lang.String	ASPECT_RATIO
protected double	aspectRatio Aspect ratio of the source space.
protected static java.lang.String	CATEGORY Object category.
static java.lang.String	DEFORMATION
protected boolean	dirty Dirty flag = had to recompute internal accelerators?
protected double	factor General deformation parameter (zoom factor, angle, twist amplitude..).
static java.lang.String	FACTOR
static RegPiece	reg Static registration instance for this class.
protected static java.lang.String	TEMPLATE_NAME Object template identifier.
protected double	tmp1 Support variables (accelerators?).
protected double	tmp2 Support variables (accelerators?).
protected double	tmp3 Support variables (accelerators?).
protected double	tmp4 Support variables (accelerators?).
protected Deformations.DeformationType	type Actual function type.

Fields inherited from class cz.cuni.jagrlib.Piece

channels, info, pl, plugs, TEMPLATE_TYPE, userBreak

Fields inherited from interface cz.cuni.jagrlib.iface.Property

LOGGING, STATISTICS, TEXT_DESCRIPTION

Fields inherited from interface cz.cuni.jagrlib.Template

ALL_PLUGS, C_1D, C_2D, C_3D, C_ALPHA, C_BINARY, C_BREP, C_CAMERA, C_CIRCLE, C_CLIP, C_COMPRESSION, C_CURVE, C_DATA, C_DRAW, C_EDITOR, C_ELLIPSE, C_FILL, C_FILTER, C_FLOAT, C_FUNCTION, C_IMAGE, C_INTEGER, C_IO, C_LIGHT, C_LINE, C_METRIC, C_POLYGON, C_PROJECTION, C_RADIOSITY, C_RASTER, C_RENDER, C_SAMPLE, C_SCENE, C_SET, C_SOLID, C_TEXT, C_TRANSFORM, C_VECTOR, C_VIEWER, C_WORKER, CAT_EMPTY, EMPTY, IFACE, JAGRLIB, JAGRLIB2, MANIPULATOR_COMBO, MANIPULATOR_CUSTOM, MANIPULATOR_DEFAULT, MANIPULATOR_MULTILINE, PL_ALPHAMASK, PL_BITMASK, PL_CAUSTIC, PL_CODEC, PL_COLORMAP, PL_COMPARE, PL_DATA, PL_DIRECT, PL_EDITOR, PL_FILTER, PL_FUNCTION, PL_IMAGE, PL_IMPORT, PL_INPUT, PL_INTERSECTION, PL_LIGHTSOURCE, PL_ORDER, PL_OUTPUT, PL_PALETTE, PL_PHOTON, PL_PROPERTY, PL_QUANTIZER, PL_RASTER, PL_RENDER, PL_SHADOW, PL_STREAM, PL_TRANSFORM, PL_TRIGGER, PL_VOLUME, PL_WINDOW, TYPE_BOOLEAN, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INTEGER, TYPE_LONG, TYPE_OBJECT, TYPE_STRING

Constructor Summary

Deformations()

Method Summary

protected void	cubicTwist(boolean forward, double x, double y, double[] res) Internal cubic-twist mapping function.
void	f(double x, double y, double[] res) Compute the mapping: f(x,y).
boolean	fInv(double u, double v, double[] res) Compute the inverse mapping: f-1(u,v).
java.lang.Object	get(java.lang.String key) Gets the given property.
boolean	getDomain(double[] dom) Returns domain of the mapping.
boolean	getRange(double[] rng) Returns range of the mapping.
void	set(java.lang.String key, java.lang.Object value) Sets the given property.
protected void	setAspectRatio()
static int	setTemplate(Template t, int ord) General-purpose registration routine.

Methods inherited from class cz.cuni.jagrlib.DefaultFunctionR2ToR2

df, dfInv

Methods inherited from class cz.cuni.jagrlib.Piece

className, connect, findPlug, findPlug, getInfo, getInterface, getInterface, getPlug, getReg, init, isCompatible, isCompatible, isConnected, logError, logWarning, myInterface, newInputPlug, newOptOutputPlug, newOutputPlug, newPlug, noTemplates, propBegin, propBounds, propDefault, propEnd, propEnum, propManipulator, propManipulator, setProgressListener, setRegStrings, setTemplateDynamic, stop

Methods inherited from class cz.cuni.jagrlib.DefaultProperty

booleanProperty, booleanProperty, colorDoubleProperty, colorProperty, commit, doubleProperty, doubleProperty, doubleProperty, enumProperty, floatProperty, floatProperty, floatProperty, intProperty, intProperty, intProperty, longProperty, longProperty, longProperty, set, stringProperty

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cuni.jagrlib.iface.Property

commit

Field Detail

type

protected Deformations.DeformationType type

Actual function type.

factor

protected double factor

General deformation parameter (zoom factor, angle, twist amplitude..).

aspectRatio

protected double aspectRatio

Aspect ratio of the source space.

tmp1

protected double tmp1

Support variables (accelerators?).

tmp2

protected double tmp2

Support variables (accelerators?).

tmp3

protected double tmp3

Support variables (accelerators?).

tmp4

protected double tmp4

Support variables (accelerators?).

dirty

protected boolean dirty

Dirty flag = had to recompute internal accelerators?

DEFORMATION

public static final java.lang.String DEFORMATION

See Also:

Constant Field Values

FACTOR

public static final java.lang.String FACTOR

See Also:

Constant Field Values

ASPECT_RATIO

public static final java.lang.String ASPECT_RATIO

See Also:

Constant Field Values

TEMPLATE_NAME

protected static final java.lang.String TEMPLATE_NAME

Object template identifier.

See Also:

Constant Field Values

CATEGORY

protected static final java.lang.String CATEGORY

Object category.

See Also:

Constant Field Values

reg

public static final RegPiece reg

Static registration instance for this class. Automatically initialized in class-loading time.

Constructor Detail

Deformations

public Deformations()

Method Detail

cubicTwist

protected void cubicTwist(boolean forward,
                          double x,
                          double y,
                          double[] res)

Internal cubic-twist mapping function.

setAspectRatio

protected void setAspectRatio()

f

public void f(double x,
              double y,
              double[] res)

Compute the mapping: f(x,y).

Specified by:

f in interface FunctionR2ToR2

Overrides:

f in class DefaultFunctionR2ToR2

Parameters:

x - X coordinate (1st argument).

y - Y coordinate (2nd argument).

res - Result array (res[0] = U coordinate, res[1] = V coordinate).

fInv

public boolean fInv(double u,
                    double v,
                    double[] res)

Compute the inverse mapping: f^-1(u,v).

Specified by:

fInv in interface FunctionR2ToR2

Overrides:

fInv in class DefaultFunctionR2ToR2

Parameters:

u - U coordinate (1st argument).

v - V coordinate (2nd argument).

res - Result array (res[0] = X coordinate, res[1] = Y coordinate).

Returns:

true if this service is implemented.

getDomain

public boolean getDomain(double[] dom)

Returns domain of the mapping.

Specified by:

getDomain in interface FunctionR2ToR2

Overrides:

getDomain in class DefaultFunctionR2ToR2

Parameters:

dom - Domain array (dom[0] = Xmin, dom[1] = Xmax, dom[2] = Ymin, dom[3] = Ymax).

Returns:

true if this service is implemented.

getRange

public boolean getRange(double[] rng)

Returns range of the mapping.

Specified by:

getRange in interface FunctionR2ToR2

Overrides:

getRange in class DefaultFunctionR2ToR2

Parameters:

rng - Range array (rng[0] = Umin, rng[1] = Umax, rng[2] = Vmin, rng[3] = Vmax).

Returns:

true if this service is implemented.

set

public void set(java.lang.String key,
                java.lang.Object value)

Sets the given property.

Specified by:

set in interface Property

Overrides:

set in class DefaultProperty

Parameters:

key - Key string.

value - The new value.

See Also:

Property.commit()

get

public java.lang.Object get(java.lang.String key)

Gets the given property.

Specified by:

get in interface Property

Overrides:

get in class DefaultProperty

Parameters:

key - Key string.

Returns:

The actual value or null.

setTemplate

public static int setTemplate(Template t,
                              int ord)

General-purpose registration routine. Sets all plugs, strings, etc. to the given Template.