cz.cuni.jagrlib
Class DefaultRealFunction

java.lang.Object
  cz.cuni.jagrlib.DefaultProperty
      cz.cuni.jagrlib.Piece
          cz.cuni.jagrlib.DefaultRealFunction

All Implemented Interfaces:

Breakable, Property, RealFunction, Template

Direct Known Subclasses:

FunctionSamples, ImageCompare, ImageTransition.CutoffTransition, ImageTransition.LinearTransition, ImageTransition.RampField, ImageTransition.RandomField, ImageTransition.SigmaTransition, SimpleNoise

public abstract class DefaultRealFunction
extends Piece
implements RealFunction

Default implementation of RealFunction interface.

Since:

0.25

See Also:

DefaultRealFunction.java

Field Summary

static double

EPSILON Constant used for numerical derivatives.

Fields inherited from class cz.cuni.jagrlib.Piece

channels, info, pl, plugs, reg, TEMPLATE_TYPE, userBreak

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

AMPLITUDE, FREQUENCY, FREQUENCY_X, FREQUENCY_Y, VARIATION

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

DefaultRealFunction()

Method Summary

double	df(double x) Compute derivative: df(x)/dx.
boolean	df(double[] arg, double[] d) Compute partial derivatives: df(x1,..)
boolean	df(double x, double y, double[] d) Compute partial derivatives: df(x,y)/dx and df(x,y)/dy.
boolean	df(double x, double y, double z, double[] d) Compute partial derivatives: df(x,y,z)/dx, df(x,y,z)/dy and df(x,y,z)/dz.
double	f(double x) Compute the mapping: double -> double.
double	f(double[] arg) Compute the mapping: double[] -> double.
double	f(double x, double y) Compute the mapping: double[2] -> double.
double	f(double x, double y, double z) Compute the mapping: double[3] -> double.
double	f(int x) Compute the mapping: int -> double.
double	f(int[] arg) Compute the mapping: int[] -> double.
double	f(int x, int y) Compute the mapping: int[2] -> double.
double	f(int x, int y, int z) Compute the mapping: int[3] -> double.
double[]	getDomain(double[] dom) Returns domain of the mapping.
int[]	getDomain(int[] dom) Returns domain of the mapping.

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, setTemplate, setTemplateDynamic, stop

Methods inherited from class cz.cuni.jagrlib.DefaultProperty

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

Field Detail

EPSILON

public static final double EPSILON

Constant used for numerical derivatives.

See Also:

Constant Field Values

Constructor Detail

DefaultRealFunction

public DefaultRealFunction()

Method Detail

f

public double f(double x)

Compute the mapping: double -> double.

Specified by:

f in interface RealFunction

f

public double f(int x)

Compute the mapping: int -> double.

Specified by:

f in interface RealFunction

f

public double f(double x,
                double y)

Compute the mapping: double[2] -> double.

Specified by:

f in interface RealFunction

f

public double f(int x,
                int y)

Compute the mapping: int[2] -> double.

Specified by:

f in interface RealFunction

f

public double f(double x,
                double y,
                double z)

Compute the mapping: double[3] -> double.

Specified by:

f in interface RealFunction

f

public double f(int x,
                int y,
                int z)

Compute the mapping: int[3] -> double.

Specified by:

f in interface RealFunction

f

public double f(double[] arg)

Compute the mapping: double[] -> double.

Specified by:

f in interface RealFunction

f

public double f(int[] arg)

Compute the mapping: int[] -> double.

Specified by:

f in interface RealFunction

df

public double df(double x)

Compute derivative: df(x)/dx. Non-mandatory.

Specified by:

df in interface RealFunction

Parameters:

x - Function argument.

Returns:

Function derivative or 0.0 if not implemented.

df

public boolean df(double x,
                  double y,
                  double[] d)

Compute partial derivatives: df(x,y)/dx and df(x,y)/dy. Non-mandatory.

Specified by:

df in interface RealFunction

Parameters:

x - X coordinate (1st argument).

y - Y coordinate (2nd argument).

d - Array to hold results (d[0] = df(x,y)/dx, d[1] = df(x,y)/dy).

Returns:

true if this service is implemented.

df

public boolean df(double x,
                  double y,
                  double z,
                  double[] d)

Compute partial derivatives: df(x,y,z)/dx, df(x,y,z)/dy and df(x,y,z)/dz. Non-mandatory.

Specified by:

df in interface RealFunction

Parameters:

x - X coordinate (1st argument).

y - Y coordinate (2nd argument).

z - Z coordinate (3rd argument).

d - Array to hold results (d[0] = df(x,y,z)/dx, d[1] = df(x,y,z)/dy, d[2] = df(x,y,z)/dz).

Returns:

true if this service is implemented.

df

public boolean df(double[] arg,
                  double[] d)

Compute partial derivatives: df(x1,..)/dx1, ... Non-mandatory.

Specified by:

df in interface RealFunction

Parameters:

arg - Coordinate array.

d - Array to hold results (d[0] = df(x1,...)/dx1, ...).

Returns:

true if this service is implemented.

getDomain

public double[] getDomain(double[] dom)

Returns domain of the mapping.

Specified by:

getDomain in interface RealFunction

Parameters:

dom - Domain array (dom[0] = Xmin, dom[1] = Xmax, etc.).

Returns:

null if this service is not implemented.

getDomain

public int[] getDomain(int[] dom)

Returns domain of the mapping.

Specified by:

getDomain in interface RealFunction

Parameters:

dom - Domain array (dom[0] = Xmin, dom[1] = Xmax, etc.).

Returns:

null if this service is not implemented.