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## igeo
Class ICurveR

    java.lang.Object
      igeo.IObject
          igeo.ICurveR

All Implemented Interfaces:
  ICurveI, ICurveOp, IParameter, ITransformable, IVal

    public class ICurveR

extends IObject
implements ICurveI

Reference class of NURBS curve to contain any instance of ICurveI.

Author:
  Satoru Sugihara

Nested Class Summary
`static class` | `ICurveR.IsClosed`
`static class` | `ICurveR.Pt`
`static class` | `ICurveR.Tan`
`static class` | `ICurveR.U`
`static class` | `ICurveR.U2`

Field Summary
`ICurveI` | `curve`

Fields inherited from class igeo.IObject
`attribute, dynamics, graphics, parameter, server, userData`

Constructor Summary
`ICurveR()`
`ICurveR(ICurveI crv)`
`ICurveR(ICurveR crv)`
`ICurveR(IServerI s)`
`ICurveR(IServerI s, ICurveI crv)`
`ICurveR(IServerI s, ICurveR crv)`

Method Summary
`ICurveR` | `add(double x, double y, double z)` transformation methods; API of ITransformable interface
`ICurveR` | `add(double f, IVecI v)` scale add alias
`ICurveR` | `add(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveR` | `add(IDoubleI f, IVecI v)` scale add alias
`ICurveR` | `add(IVecI v)`
`ICurveR` | `add(IVecI v, double f)` scale add
`ICurveR` | `add(IVecI v, IDoubleI f)` scale add
`IVecI` | `center()` returns center of geometry object
`IVecR` | `closePt(IVec2I pt)` find approximately closest point on a curve on 2D
`IVecR` | `closePt(IVecI pt)` find approximately closest point on a curve
`ICurveR` | `clr(java.awt.Color c)`
`ICurveR` | `clr(java.awt.Color c, double alpha)`
`ICurveR` | `clr(java.awt.Color c, float alpha)`
`ICurveR` | `clr(java.awt.Color c, int alpha)`
`ICurveR` | `clr(double dgray)`
`ICurveR` | `clr(double dgray, double dalpha)`
`ICurveR` | `clr(double dr, double dg, double db)`
`ICurveR` | `clr(double dr, double dg, double db, double da)`
`ICurveR` | `clr(float fgray)`
`ICurveR` | `clr(float fgray, float falpha)`
`ICurveR` | `clr(float fr, float fg, float fb)`
`ICurveR` | `clr(float fr, float fg, float fb, float fa)`
`ICurveR` | `clr(IColor c)`
`ICurveR` | `clr(IColor c, double alpha)` to set color, with alpha value overwritten
`ICurveR` | `clr(IColor c, float alpha)` to set color, with alpha value overwritten
`ICurveR` | `clr(IColor c, int alpha)` to set color, with alpha value overwritten
`ICurveR` | `clr(int gray)`
`ICurveR` | `clr(int gray, int alpha)`
`ICurveR` | `clr(int r, int g, int b)`
`ICurveR` | `clr(int r, int g, int b, int a)`
`ICurveR` | `cp()` cp() is alias of dup()
`ICurveR` | `cp(double x, double y, double z)` cp() is alias of dup().add()
`ICurveR` | `cp(IDoubleI x, IDoubleI y, IDoubleI z)` cp() is alias of dup().add()
`IVecI` | `cp(IIntegerI i)` getting i-th control point
`IVecI` | `cp(int i)` getting i-th control point
`ICurveR` | `cp(IVecI v)` cp() is alias of dup().add()
`int` | `cpNum()`
`int` | `cpNum(ISwitchE e)`
`IIntegerI` | `cpNum(ISwitchR r)`
`IVecI[]` | `cps()` all control points
`IGraphicObject` | `createGraphic(IGraphicMode m)`
`int` | `deg()`
`int` | `deg(ISwitchE e)`
`IIntegerI` | `deg(ISwitchR r)`
`double` | `dist(IVec2I pt)` distance to the closest point on a curve on 2D
`double` | `dist(IVecI pt)` distance to the closest point on a curve
`ICurveR` | `div(double v)`
`ICurveR` | `div(IDoubleI v)`
`ICurveR` | `dup()` duplicate object
`IVecR` | `end()`
`IVecI` | `endCP()`
`IVecR` | `ep(IIntegerI i)` getting i-th edit point
`IVecR` | `ep(int i)` getting i-th edit point
`int` | `epNum()`
`int` | `epNum(ISwitchE e)`
`IIntegerI` | `epNum(ISwitchR r)`
`ICurveR` | `flip()` same with neg
`ICurveR` | `flipU()` alias of rev()
`ICurveGeo` | `get()`
`ICurveR` | `hide()`
`ICurveR` | `hsb(double h, double s, double b)`
`ICurveR` | `hsb(double h, double s, double b, double a)`
`ICurveR` | `hsb(float h, float s, float b)`
`ICurveR` | `hsb(float h, float s, float b, float a)`
`void` | `initCurve(IServerI s)`
`boolean` | `isClosed()`
`boolean` | `isClosed(ISwitchE e)`
`IBoolR` | `isClosed(ISwitchR r)`
`boolean` | `isRational()`
`boolean` | `isRational(ISwitchE e)`
`IBoolI` | `isRational(ISwitchR r)`
`boolean` | `isValid()` checking parameters validity.
`IDoubleI` | `knot(IIntegerI i)`
`double` | `knot(int i)` close curve with the current control points.
`int` | `knotNum()`
`int` | `knotNum(ISwitchE e)`
`IIntegerI` | `knotNum(ISwitchR r)`
`double[]` | `knots()` all knot values
`double[]` | `knots(ISwitchE e)`
`IDoubleI[]` | `knots(ISwitchR r)`
`ICurveR` | `layer(ILayer l)` Set layer by ILayer object
`double` | `len()`
`double` | `len(ISwitchE e)`
`IDouble` | `len(ISwitchR r)`
`IVecR` | `mid()` parametrically mid point of a curve
`ICurveR` | `mirror(IVecI planeDir)` mirror is alias of ref
`ICurveR` | `mirror(IVecI center, IVecI planeDir)`
`ICurveR` | `mul(double v)`
`ICurveR` | `mul(IDoubleI v)`
`ICurveR` | `mv(double x, double y, double z)` mv() is alias of add()
`ICurveR` | `mv(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveR` | `mv(IVecI v)`
`ICurveR` | `name(java.lang.String nm)` IObject methods
`ICurveR` | `neg()`
`int` | `num()` change degree.
`int` | `num(ISwitchE e)`
`IIntegerI` | `num(ISwitchR r)`
`IVecR` | `pt(double u)`
`IVecR` | `pt(IDoubleI u)`
`ICurveR` | `ref(IVecI planeDir)` reflect(mirror) 3 dimensionally to the other side of the plane
`ICurveR` | `ref(IVecI center, IVecI planeDir)`
`ICurveR` | `rev()` reverse U coordintates direction of curve, without creating a new object
`ICurveR` | `revU()` alias of rev()
`ICurveR` | `rot(double angle)`
`ICurveR` | `rot(IDoubleI angle)` rotation around z-axis and origin
`ICurveR` | `rot(IVecI axis, double angle)`
`ICurveR` | `rot(IVecI axis, IDoubleI angle)` rotation around axis vector
`ICurveR` | `rot(IVecI axis, IVecI destDir)` rotate to destination direction vector
`ICurveR` | `rot(IVecI center, IVecI axis, double angle)`
`ICurveR` | `rot(IVecI center, IVecI axis, IDoubleI angle)` rotation around axis vector and center
`ICurveR` | `rot(IVecI center, IVecI axis, IVecI destPt)` rotate to destination point location
`ICurveR` | `rot2(double angle)` rotation on xy-plane around origin; same with rot(double)
`ICurveR` | `rot2(IDoubleI angle)` rotation on xy-plane around origin; same with rot(IDoubleI)
`ICurveR` | `rot2(IVecI destDir)` rotation on xy-plane to destination direction vector
`ICurveR` | `rot2(IVecI center, double angle)`
`ICurveR` | `rot2(IVecI center, IDoubleI angle)` rotation on xy-plane around center
`ICurveR` | `rot2(IVecI center, IVecI destPt)` rotation on xy-plane to destination point location
`ICurveR` | `scale(double f)`
`ICurveR` | `scale(IDoubleI f)` alias of mul
`ICurveR` | `scale(IVecI center, double f)`
`ICurveR` | `scale(IVecI center, IDoubleI f)`
`ICurveR` | `scale1d(IVecI axis, double f)` scale only in 1 direction
`ICurveR` | `scale1d(IVecI axis, IDoubleI f)`
`ICurveR` | `scale1d(IVecI center, IVecI axis, double f)`
`ICurveR` | `scale1d(IVecI center, IVecI axis, IDoubleI f)`
`ICurveR` | `setColor(java.awt.Color c)`
`ICurveR` | `setColor(java.awt.Color c, int alpha)`
`ICurveR` | `setColor(double dgray)`
`ICurveR` | `setColor(double dgray, double dalpha)`
`ICurveR` | `setColor(double dr, double dg, double db)`
`ICurveR` | `setColor(double dr, double dg, double db, double da)`
`ICurveR` | `setColor(float fgray)`
`ICurveR` | `setColor(float fgray, float falpha)`
`ICurveR` | `setColor(float fr, float fg, float fb)`
`ICurveR` | `setColor(float fr, float fg, float fb, float fa)`
`ICurveR` | `setColor(int gray)`
`ICurveR` | `setColor(int gray, int alpha)`
`ICurveR` | `setColor(int r, int g, int b)`
`ICurveR` | `setColor(int r, int g, int b, int a)`
`ICurveR` | `setHSBColor(double h, double s, double b)`
`ICurveR` | `setHSBColor(double h, double s, double b, double a)`
`ICurveR` | `setHSBColor(float h, float s, float b)`
`ICurveR` | `setHSBColor(float h, float s, float b, float a)`
`ICurveR` | `shear(double sxy, double syx, double syz, double szy, double szx, double sxz)` shear operation
`ICurveR` | `shear(IDoubleI sxy, IDoubleI syx, IDoubleI syz, IDoubleI szy, IDoubleI szx, IDoubleI sxz)`
`ICurveR` | `shear(IVecI center, double sxy, double syx, double syz, double szy, double szx, double sxz)`
`ICurveR` | `shear(IVecI center, IDoubleI sxy, IDoubleI syx, IDoubleI syz, IDoubleI szy, IDoubleI szx, IDoubleI sxz)`
`ICurveR` | `shearXY(double sxy, double syx)`
`ICurveR` | `shearXY(IDoubleI sxy, IDoubleI syx)`
`ICurveR` | `shearXY(IVecI center, double sxy, double syx)`
`ICurveR` | `shearXY(IVecI center, IDoubleI sxy, IDoubleI syx)`
`ICurveR` | `shearYZ(double syz, double szy)`
`ICurveR` | `shearYZ(IDoubleI syz, IDoubleI szy)`
`ICurveR` | `shearYZ(IVecI center, double syz, double szy)`
`ICurveR` | `shearYZ(IVecI center, IDoubleI syz, IDoubleI szy)`
`ICurveR` | `shearZX(double szx, double sxz)`
`ICurveR` | `shearZX(IDoubleI szx, IDoubleI sxz)`
`ICurveR` | `shearZX(IVecI center, double szx, double sxz)`
`ICurveR` | `shearZX(IVecI center, IDoubleI szx, IDoubleI sxz)`
`ICurveR` | `show()`
`IVecR` | `start()`
`IVecI` | `startCP()`
`ICurveR` | `sub(double x, double y, double z)`
`ICurveR` | `sub(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveR` | `sub(IVecI v)`
`IVecR` | `tan(double u)`
`IVecR` | `tan(IDoubleI u)`
`ICurveR` | `transform(IMatrix3I mat)`
`ICurveR` | `transform(IMatrix4I mat)`
`ICurveR` | `transform(IVecI xvec, IVecI yvec, IVecI zvec)`
`ICurveR` | `transform(IVecI xvec, IVecI yvec, IVecI zvec, IVecI translate)`
`ICurveR` | `translate(double x, double y, double z)` translate is alias of add()
`ICurveR` | `translate(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveR` | `translate(IVecI v)`
`IDoubleI` | `u(IInteger epIdx, IDouble epFraction)`
`double` | `u(int epIdx, double epFraction)`
`double` | `u(ISwitchE r, IVec2I pt)`
`double` | `u(ISwitchE r, IVecI pt)`
`IDoubleR` | `u(ISwitchR r, IVec2I pt)`
`IDoubleR` | `u(ISwitchR r, IVecI pt)`
`double` | `u(IVec2I pt)` approximate invert projection from 2D location to interanl parameter U
`double` | `u(IVecI pt)` approximate invert projection from 3D location to interanl parameter U (closest point on curve)
`double` | `uend()`
`double` | `uend(ISwitchE e)`
`IDoubleI` | `uend(ISwitchR r)`
`double` | `ustart()`
`double` | `ustart(ISwitchE e)`
`IDoubleI` | `ustart(ISwitchR r)`
`ICurveR` | `weight(double w)`
`ICurveR` | `weight(float w)`

Methods inherited from class igeo.IObject
`addDynamics, alpha, alphaInt, attr, attr, attr, awtColor, blue, blueInt, clearDynamics, clearGraphics, clr, del, deletDynamics, deleteDynamics, deleteDynamics, deleteGraphic, dynamicsNum, getAWTColor, getColor, getDynamics, getGraphic, getGraphic, getParameter, graphicsNum, gray, grayInt, green, greenInt, greyInt, initGraphic, initObject, isVisible, layer, layer, name, red, redInt, resetGraphic, server, setColor, setColor, setColor, setColor, setColor, setColor, setParameter, syncColor, syncGraphic, syncWeight, updateGraphic, userData, userData, visible, weight`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### curve

    public ICurveI curve

Constructor Detail

### ICurveR

    public ICurveR()

### ICurveR

    public ICurveR(ICurveI crv)

### ICurveR

    public ICurveR(IServerI s)

### ICurveR

    public ICurveR(IServerI s,
                   ICurveI crv)

### ICurveR

    public ICurveR(ICurveR crv)

### ICurveR

    public ICurveR(IServerI s,
                   ICurveR crv)

Method Detail

### initCurve

    public void initCurve(IServerI s)

### createGraphic

    public IGraphicObject createGraphic(IGraphicMode m)

  Overrides:
    `createGraphic` in class `IObject`

### isValid

    public boolean isValid()

  Description copied from class: `IObject`
  checking parameters validity. to be overriden.

  Specified by:
    `isValid` in interface `ICurveI`
  Overrides:
    `isValid` in class `IObject`

### get

    public ICurveGeo get()

  Specified by:
    `get` in interface `ICurveI`
  Specified by:
    `get` in interface `ICurveOp`
  Specified by:
    `get` in interface `IParameter`
  Returns:
    fixed value but in wrapper class

### dup

    public ICurveR dup()

  Description copied from class: `IObject`
  duplicate object

  Specified by:
    `dup` in interface `ICurveI`
  Specified by:
    `dup` in interface `ITransformable`
  Overrides:
    `dup` in class `IObject`
  Returns:
    duplicated instance

### pt

    public IVecR pt(IDoubleI u)

  Specified by:
    `pt` in interface `ICurveI`

### pt

    public IVecR pt(double u)

  Specified by:
    `pt` in interface `ICurveI`

### tan

    public IVecR tan(IDoubleI u)

  Specified by:
    `tan` in interface `ICurveI`

### tan

    public IVecR tan(double u)

  Specified by:
    `tan` in interface `ICurveI`

### cp

    public IVecI cp(int i)

  getting i-th control point

  Specified by:
    `cp` in interface `ICurveI`

### cp

    public IVecI cp(IIntegerI i)

  getting i-th control point

  Specified by:
    `cp` in interface `ICurveI`

### cps

    public IVecI[] cps()

  Description copied from interface: `ICurveI`
  all control points

  Specified by:
    `cps` in interface `ICurveI`

### ep

    public IVecR ep(int i)

  getting i-th edit point

  Specified by:
    `ep` in interface `ICurveI`

### ep

    public IVecR ep(IIntegerI i)

  getting i-th edit point

  Specified by:
    `ep` in interface `ICurveI`

### start

    public IVecR start()

  Specified by:
    `start` in interface `ICurveI`

### end

    public IVecR end()

  Specified by:
    `end` in interface `ICurveI`

### startCP

    public IVecI startCP()

  Specified by:
    `startCP` in interface `ICurveI`

### endCP

    public IVecI endCP()

  Specified by:
    `endCP` in interface `ICurveI`

### mid

    public IVecR mid()

  parametrically mid point of a curve

  Specified by:
    `mid` in interface `ICurveI`

### center

    public IVecI center()

  returns center of geometry object

  Specified by:
    `center` in interface `ICurveI`

### u

    public double u(IVecI pt)

  approximate invert projection from 3D location to interanl parameter U (closest point on curve)

  Specified by:
    `u` in interface `ICurveI`

### u

    public double u(ISwitchE r,
                    IVecI pt)

  Specified by:
    `u` in interface `ICurveI`

### u

    public IDoubleR u(ISwitchR r,
                      IVecI pt)

  Specified by:
    `u` in interface `ICurveI`

### u

    public double u(IVec2I pt)

  approximate invert projection from 2D location to interanl parameter U

  Specified by:
    `u` in interface `ICurveI`

### u

    public double u(ISwitchE r,
                    IVec2I pt)

  Specified by:
    `u` in interface `ICurveI`

### u

    public IDoubleR u(ISwitchR r,
                      IVec2I pt)

  Specified by:
    `u` in interface `ICurveI`

### closePt

    public IVecR closePt(IVecI pt)

  find approximately closest point on a curve

  Specified by:
    `closePt` in interface `ICurveI`

### closePt

    public IVecR closePt(IVec2I pt)

  find approximately closest point on a curve on 2D

  Specified by:
    `closePt` in interface `ICurveI`

### dist

    public double dist(IVecI pt)

  distance to the closest point on a curve

  Specified by:
    `dist` in interface `ICurveI`

### dist

    public double dist(IVec2I pt)

  distance to the closest point on a curve on 2D

  Specified by:
    `dist` in interface `ICurveI`

### knot

    public double knot(int i)

  Description copied from interface: `ICurveI`
  close curve with the current control points. it changes total number of control points and knot vector dependng on the degree. new knot vector has equal default intervals destroying original variable intervals.

  Specified by:
    `knot` in interface `ICurveI`

### knot

    public IDoubleI knot(IIntegerI i)

  Specified by:
    `knot` in interface `ICurveI`

### knots

    public double[] knots()

  Description copied from interface: `ICurveI`
  all knot values

  Specified by:
    `knots` in interface `ICurveI`

### knots

    public double[] knots(ISwitchE e)

  Specified by:
    `knots` in interface `ICurveI`

### knots

    public IDoubleI[] knots(ISwitchR r)

  Specified by:
    `knots` in interface `ICurveI`

### knotNum

    public int knotNum()

  Specified by:
    `knotNum` in interface `ICurveI`

### knotNum

    public int knotNum(ISwitchE e)

  Specified by:
    `knotNum` in interface `ICurveI`

### knotNum

    public IIntegerI knotNum(ISwitchR r)

  Specified by:
    `knotNum` in interface `ICurveI`

### isRational

    public boolean isRational()

  Specified by:
    `isRational` in interface `ICurveI`
  Returns:
    returns true if any of control point has non-default(1.0) weight otherwise false.

### isRational

    public boolean isRational(ISwitchE e)

  Specified by:
    `isRational` in interface `ICurveI`

### isRational

    public IBoolI isRational(ISwitchR r)

  Specified by:
    `isRational` in interface `ICurveI`

### deg

    public int deg()

  Specified by:
    `deg` in interface `ICurveI`

### deg

    public int deg(ISwitchE e)

  Specified by:
    `deg` in interface `ICurveI`

### deg

    public IIntegerI deg(ISwitchR r)

  Specified by:
    `deg` in interface `ICurveI`

### num

    public int num()

  Description copied from interface: `ICurveI`
  change degree. this operation is costly because it needs to rebuild the whole knots and basisFunction

  Specified by:
    `num` in interface `ICurveI`

### num

    public int num(ISwitchE e)

  Specified by:
    `num` in interface `ICurveI`

### num

    public IIntegerI num(ISwitchR r)

  Specified by:
    `num` in interface `ICurveI`

### cpNum

    public int cpNum()

  Specified by:
    `cpNum` in interface `ICurveI`

### cpNum

    public int cpNum(ISwitchE e)

  Specified by:
    `cpNum` in interface `ICurveI`

### cpNum

    public IIntegerI cpNum(ISwitchR r)

  Specified by:
    `cpNum` in interface `ICurveI`

### epNum

    public int epNum()

  Specified by:
    `epNum` in interface `ICurveI`

### epNum

    public int epNum(ISwitchE e)

  Specified by:
    `epNum` in interface `ICurveI`

### epNum

    public IIntegerI epNum(ISwitchR r)

  Specified by:
    `epNum` in interface `ICurveI`

### len

    public double len()

  Specified by:
    `len` in interface `ICurveI`

### len

    public double len(ISwitchE e)

  Specified by:
    `len` in interface `ICurveI`

### len

    public IDouble len(ISwitchR r)

  Specified by:
    `len` in interface `ICurveI`

### u

    public double u(int epIdx,
                    double epFraction)

  Specified by:
    `u` in interface `ICurveI`

### u

    public IDoubleI u(IInteger epIdx,
                      IDouble epFraction)

  Specified by:
    `u` in interface `ICurveI`

### ustart

    public double ustart()

  Specified by:
    `ustart` in interface `ICurveI`

### uend

    public double uend()

  Specified by:
    `uend` in interface `ICurveI`

### ustart

    public double ustart(ISwitchE e)

  Specified by:
    `ustart` in interface `ICurveI`

### uend

    public double uend(ISwitchE e)

  Specified by:
    `uend` in interface `ICurveI`

### ustart

    public IDoubleI ustart(ISwitchR r)

  Specified by:
    `ustart` in interface `ICurveI`

### uend

    public IDoubleI uend(ISwitchR r)

  Specified by:
    `uend` in interface `ICurveI`

### isClosed

    public boolean isClosed()

  Specified by:
    `isClosed` in interface `ICurveI`

### isClosed

    public boolean isClosed(ISwitchE e)

  Specified by:
    `isClosed` in interface `ICurveI`

### isClosed

    public IBoolR isClosed(ISwitchR r)

  Specified by:
    `isClosed` in interface `ICurveI`

### rev

    public ICurveR rev()

  Description copied from interface: `ICurveI`
  reverse U coordintates direction of curve, without creating a new object

  Specified by:
    `rev` in interface `ICurveI`

### revU

    public ICurveR revU()

  alias of rev()

  Specified by:
    `revU` in interface `ICurveI`

### flipU

    public ICurveR flipU()

  alias of rev()

  Specified by:
    `flipU` in interface `ICurveI`

### add

    public ICurveR add(double x,
                       double y,
                       double z)

  transformation methods; API of ITransformable interface

  Specified by:
    `add` in interface `ICurveI`
  Specified by:
    `add` in interface `ITransformable`

### add

    public ICurveR add(IDoubleI x,
                       IDoubleI y,
                       IDoubleI z)

  Specified by:
    `add` in interface `ICurveI`
  Specified by:
    `add` in interface `ITransformable`

### add

    public ICurveR add(IVecI v)

  Specified by:
    `add` in interface `ICurveI`
  Specified by:
    `add` in interface `ITransformable`

### sub

    public ICurveR sub(double x,
                       double y,
                       double z)

  Specified by:
    `sub` in interface `ICurveI`
  Specified by:
    `sub` in interface `ITransformable`

### sub

    public ICurveR sub(IDoubleI x,
                       IDoubleI y,
                       IDoubleI z)

  Specified by:
    `sub` in interface `ICurveI`
  Specified by:
    `sub` in interface `ITransformable`

### sub

    public ICurveR sub(IVecI v)

  Specified by:
    `sub` in interface `ICurveI`
  Specified by:
    `sub` in interface `ITransformable`

### mul

    public ICurveR mul(IDoubleI v)

  Specified by:
    `mul` in interface `ICurveI`
  Specified by:
    `mul` in interface `ITransformable`

### mul

    public ICurveR mul(double v)

  Specified by:
    `mul` in interface `ICurveI`
  Specified by:
    `mul` in interface `ITransformable`

### div

    public ICurveR div(IDoubleI v)

  Specified by:
    `div` in interface `ICurveI`
  Specified by:
    `div` in interface `ITransformable`

### div

    public ICurveR div(double v)

  Specified by:
    `div` in interface `ICurveI`
  Specified by:
    `div` in interface `ITransformable`

### neg

    public ICurveR neg()

  Specified by:
    `neg` in interface `ICurveI`
  Specified by:
    `neg` in interface `ITransformable`

### flip

    public ICurveR flip()

  Description copied from interface: `ICurveI`
  same with neg

  Specified by:
    `flip` in interface `ICurveI`
  Specified by:
    `flip` in interface `ITransformable`

### add

    public ICurveR add(IVecI v,
                       double f)

  scale add

  Specified by:
    `add` in interface `ICurveI`
  Specified by:
    `add` in interface `ITransformable`

### add

    public ICurveR add(IVecI v,
                       IDoubleI f)

  Description copied from interface: `ITransformable`
  scale add

  Specified by:
    `add` in interface `ICurveI`
  Specified by:
    `add` in interface `ITransformable`

### add

    public ICurveR add(double f,
                       IVecI v)

  scale add alias

  Specified by:
    `add` in interface `ITransformable`

### add

    public ICurveR add(IDoubleI f,
                       IVecI v)

  Description copied from interface: `ITransformable`
  scale add alias

  Specified by:
    `add` in interface `ITransformable`

### rot

    public ICurveR rot(IDoubleI angle)

  Description copied from interface: `ITransformable`
  rotation around z-axis and origin

  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(double angle)

  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI axis,
                       IDoubleI angle)

  Description copied from interface: `ITransformable`
  rotation around axis vector

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI axis,
                       double angle)

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI center,
                       IVecI axis,
                       IDoubleI angle)

  Description copied from interface: `ITransformable`
  rotation around axis vector and center

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI center,
                       IVecI axis,
                       double angle)

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI axis,
                       IVecI destDir)

  rotate to destination direction vector

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot

    public ICurveR rot(IVecI center,
                       IVecI axis,
                       IVecI destPt)

  rotate to destination point location

  Specified by:
    `rot` in interface `ICurveI`
  Specified by:
    `rot` in interface `ITransformable`

### rot2

    public ICurveR rot2(IDoubleI angle)

  Description copied from interface: `ITransformable`
  rotation on xy-plane around origin; same with rot(IDoubleI)

  Specified by:
    `rot2` in interface `ITransformable`

### rot2

    public ICurveR rot2(double angle)

  Description copied from interface: `ITransformable`
  rotation on xy-plane around origin; same with rot(double)

  Specified by:
    `rot2` in interface `ITransformable`

### rot2

    public ICurveR rot2(IVecI center,
                        IDoubleI angle)

  Description copied from interface: `ITransformable`
  rotation on xy-plane around center

  Specified by:
    `rot2` in interface `ITransformable`

### rot2

    public ICurveR rot2(IVecI center,
                        double angle)

  Specified by:
    `rot2` in interface `ITransformable`

### rot2

    public ICurveR rot2(IVecI destDir)

  rotation on xy-plane to destination direction vector

  Specified by:
    `rot2` in interface `ITransformable`

### rot2

    public ICurveR rot2(IVecI center,
                        IVecI destPt)

  rotation on xy-plane to destination point location

  Specified by:
    `rot2` in interface `ITransformable`

### scale

    public ICurveR scale(IDoubleI f)

  alias of mul

  Specified by:
    `scale` in interface `ICurveI`
  Specified by:
    `scale` in interface `ITransformable`

### scale

    public ICurveR scale(double f)

  Specified by:
    `scale` in interface `ICurveI`
  Specified by:
    `scale` in interface `ITransformable`

### scale

    public ICurveR scale(IVecI center,
                         IDoubleI f)

  Specified by:
    `scale` in interface `ICurveI`
  Specified by:
    `scale` in interface `ITransformable`

### scale

    public ICurveR scale(IVecI center,
                         double f)

  Specified by:
    `scale` in interface `ICurveI`
  Specified by:
    `scale` in interface `ITransformable`

### scale1d

    public ICurveR scale1d(IVecI axis,
                           double f)

  scale only in 1 direction

  Specified by:
    `scale1d` in interface `ICurveI`
  Specified by:
    `scale1d` in interface `ITransformable`

### scale1d

    public ICurveR scale1d(IVecI axis,
                           IDoubleI f)

  Specified by:
    `scale1d` in interface `ICurveI`
  Specified by:
    `scale1d` in interface `ITransformable`

### scale1d

    public ICurveR scale1d(IVecI center,
                           IVecI axis,
                           double f)

  Specified by:
    `scale1d` in interface `ICurveI`
  Specified by:
    `scale1d` in interface `ITransformable`

### scale1d

    public ICurveR scale1d(IVecI center,
                           IVecI axis,
                           IDoubleI f)

  Specified by:
    `scale1d` in interface `ICurveI`
  Specified by:
    `scale1d` in interface `ITransformable`

### ref

    public ICurveR ref(IVecI planeDir)

  reflect(mirror) 3 dimensionally to the other side of the plane

  Specified by:
    `ref` in interface `ICurveI`
  Specified by:
    `ref` in interface `ITransformable`

### ref

    public ICurveR ref(IVecI center,
                       IVecI planeDir)

  Specified by:
    `ref` in interface `ICurveI`
  Specified by:
    `ref` in interface `ITransformable`

### mirror

    public ICurveR mirror(IVecI planeDir)

  mirror is alias of ref

  Specified by:
    `mirror` in interface `ICurveI`
  Specified by:
    `mirror` in interface `ITransformable`

### mirror

    public ICurveR mirror(IVecI center,
                          IVecI planeDir)

  Specified by:
    `mirror` in interface `ICurveI`
  Specified by:
    `mirror` in interface `ITransformable`

### shear

    public ICurveR shear(double sxy,
                         double syx,
                         double syz,
                         double szy,
                         double szx,
                         double sxz)

  shear operation

  Specified by:
    `shear` in interface `ICurveI`
  Specified by:
    `shear` in interface `ITransformable`

### shear

    public ICurveR shear(IDoubleI sxy,
                         IDoubleI syx,
                         IDoubleI syz,
                         IDoubleI szy,
                         IDoubleI szx,
                         IDoubleI sxz)

  Specified by:
    `shear` in interface `ICurveI`
  Specified by:
    `shear` in interface `ITransformable`

### shear

    public ICurveR shear(IVecI center,
                         double sxy,
                         double syx,
                         double syz,
                         double szy,
                         double szx,
                         double sxz)

  Specified by:
    `shear` in interface `ICurveI`
  Specified by:
    `shear` in interface `ITransformable`

### shear

    public ICurveR shear(IVecI center,
                         IDoubleI sxy,
                         IDoubleI syx,
                         IDoubleI syz,
                         IDoubleI szy,
                         IDoubleI szx,
                         IDoubleI sxz)

  Specified by:
    `shear` in interface `ICurveI`
  Specified by:
    `shear` in interface `ITransformable`

### shearXY

    public ICurveR shearXY(double sxy,
                           double syx)

  Specified by:
    `shearXY` in interface `ICurveI`
  Specified by:
    `shearXY` in interface `ITransformable`

### shearXY

    public ICurveR shearXY(IDoubleI sxy,
                           IDoubleI syx)

  Specified by:
    `shearXY` in interface `ICurveI`
  Specified by:
    `shearXY` in interface `ITransformable`

### shearXY

    public ICurveR shearXY(IVecI center,
                           double sxy,
                           double syx)

  Specified by:
    `shearXY` in interface `ICurveI`
  Specified by:
    `shearXY` in interface `ITransformable`

### shearXY

    public ICurveR shearXY(IVecI center,
                           IDoubleI sxy,
                           IDoubleI syx)

  Specified by:
    `shearXY` in interface `ICurveI`
  Specified by:
    `shearXY` in interface `ITransformable`

### shearYZ

    public ICurveR shearYZ(double syz,
                           double szy)

  Specified by:
    `shearYZ` in interface `ICurveI`
  Specified by:
    `shearYZ` in interface `ITransformable`

### shearYZ

    public ICurveR shearYZ(IDoubleI syz,
                           IDoubleI szy)

  Specified by:
    `shearYZ` in interface `ICurveI`
  Specified by:
    `shearYZ` in interface `ITransformable`

### shearYZ

    public ICurveR shearYZ(IVecI center,
                           double syz,
                           double szy)

  Specified by:
    `shearYZ` in interface `ICurveI`
  Specified by:
    `shearYZ` in interface `ITransformable`

### shearYZ

    public ICurveR shearYZ(IVecI center,
                           IDoubleI syz,
                           IDoubleI szy)

  Specified by:
    `shearYZ` in interface `ICurveI`
  Specified by:
    `shearYZ` in interface `ITransformable`

### shearZX

    public ICurveR shearZX(double szx,
                           double sxz)

  Specified by:
    `shearZX` in interface `ICurveI`
  Specified by:
    `shearZX` in interface `ITransformable`

### shearZX

    public ICurveR shearZX(IDoubleI szx,
                           IDoubleI sxz)

  Specified by:
    `shearZX` in interface `ICurveI`
  Specified by:
    `shearZX` in interface `ITransformable`

### shearZX

    public ICurveR shearZX(IVecI center,
                           double szx,
                           double sxz)

  Specified by:
    `shearZX` in interface `ICurveI`
  Specified by:
    `shearZX` in interface `ITransformable`

### shearZX

    public ICurveR shearZX(IVecI center,
                           IDoubleI szx,
                           IDoubleI sxz)

  Specified by:
    `shearZX` in interface `ICurveI`
  Specified by:
    `shearZX` in interface `ITransformable`

### translate

    public ICurveR translate(double x,
                             double y,
                             double z)

  translate is alias of add()

  Specified by:
    `translate` in interface `ICurveI`
  Specified by:
    `translate` in interface `ITransformable`

### translate

    public ICurveR translate(IDoubleI x,
                             IDoubleI y,
                             IDoubleI z)

  Specified by:
    `translate` in interface `ICurveI`
  Specified by:
    `translate` in interface `ITransformable`

### translate

    public ICurveR translate(IVecI v)

  Specified by:
    `translate` in interface `ICurveI`
  Specified by:
    `translate` in interface `ITransformable`

### mv

    public ICurveR mv(double x,
                      double y,
                      double z)

  mv() is alias of add()

  Specified by:
    `mv` in interface `ICurveI`
  Specified by:
    `mv` in interface `ITransformable`

### mv

    public ICurveR mv(IDoubleI x,
                      IDoubleI y,
                      IDoubleI z)

  Specified by:
    `mv` in interface `ICurveI`
  Specified by:
    `mv` in interface `ITransformable`

### mv

    public ICurveR mv(IVecI v)

  Specified by:
    `mv` in interface `ICurveI`
  Specified by:
    `mv` in interface `ITransformable`

### cp

    public ICurveR cp()

  cp() is alias of dup()

  Specified by:
    `cp` in interface `ICurveI`
  Specified by:
    `cp` in interface `ITransformable`
  Overrides:
    `cp` in class `IObject`

### cp

    public ICurveR cp(double x,
                      double y,
                      double z)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `ICurveI`
  Specified by:
    `cp` in interface `ITransformable`

### cp

    public ICurveR cp(IDoubleI x,
                      IDoubleI y,
                      IDoubleI z)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `ICurveI`
  Specified by:
    `cp` in interface `ITransformable`

### cp

    public ICurveR cp(IVecI v)

  cp() is alias of dup().add()

  Specified by:
    `cp` in interface `ICurveI`
  Specified by:
    `cp` in interface `ITransformable`

### transform

    public ICurveR transform(IMatrix3I mat)

  Specified by:
    `transform` in interface `ICurveI`
  Specified by:
    `transform` in interface `ITransformable`

### transform

    public ICurveR transform(IMatrix4I mat)

  Specified by:
    `transform` in interface `ICurveI`
  Specified by:
    `transform` in interface `ITransformable`

### transform

    public ICurveR transform(IVecI xvec,
                             IVecI yvec,
                             IVecI zvec)

  Specified by:
    `transform` in interface `ICurveI`
  Specified by:
    `transform` in interface `ITransformable`

### transform

    public ICurveR transform(IVecI xvec,
                             IVecI yvec,
                             IVecI zvec,
                             IVecI translate)

  Specified by:
    `transform` in interface `ICurveI`
  Specified by:
    `transform` in interface `ITransformable`

### name

    public ICurveR name(java.lang.String nm)

  IObject methods

  Overrides:
    `name` in class `IObject`

### layer

    public ICurveR layer(ILayer l)

  Description copied from class: `IObject`
  Set layer by ILayer object

  Overrides:
    `layer` in class `IObject`

### hide

    public ICurveR hide()

  Overrides:
    `hide` in class `IObject`

### show

    public ICurveR show()

  Overrides:
    `show` in class `IObject`

### clr

    public ICurveR clr(IColor c)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(IColor c,
                       int alpha)

  Description copied from class: `IObject`
  to set color, with alpha value overwritten

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(IColor c,
                       float alpha)

  Description copied from class: `IObject`
  to set color, with alpha value overwritten

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(IColor c,
                       double alpha)

  Description copied from class: `IObject`
  to set color, with alpha value overwritten

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(java.awt.Color c)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(java.awt.Color c,
                       int alpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(java.awt.Color c,
                       float alpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(java.awt.Color c,
                       double alpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(int gray)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(float fgray)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(double dgray)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(int gray,
                       int alpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(float fgray,
                       float falpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(double dgray,
                       double dalpha)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(int r,
                       int g,
                       int b)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(float fr,
                       float fg,
                       float fb)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(double dr,
                       double dg,
                       double db)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(int r,
                       int g,
                       int b,
                       int a)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(float fr,
                       float fg,
                       float fb,
                       float fa)

  Overrides:
    `clr` in class `IObject`

### clr

    public ICurveR clr(double dr,
                       double dg,
                       double db,
                       double da)

  Overrides:
    `clr` in class `IObject`

### hsb

    public ICurveR hsb(float h,
                       float s,
                       float b,
                       float a)

  Overrides:
    `hsb` in class `IObject`

### hsb

    public ICurveR hsb(double h,
                       double s,
                       double b,
                       double a)

  Overrides:
    `hsb` in class `IObject`

### hsb

    public ICurveR hsb(float h,
                       float s,
                       float b)

  Overrides:
    `hsb` in class `IObject`

### hsb

    public ICurveR hsb(double h,
                       double s,
                       double b)

  Overrides:
    `hsb` in class `IObject`

### setColor

    public ICurveR setColor(java.awt.Color c)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(java.awt.Color c,
                            int alpha)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(int gray)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(float fgray)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(double dgray)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(int gray,
                            int alpha)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(float fgray,
                            float falpha)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(double dgray,
                            double dalpha)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(int r,
                            int g,
                            int b)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(float fr,
                            float fg,
                            float fb)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(double dr,
                            double dg,
                            double db)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(int r,
                            int g,
                            int b,
                            int a)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(float fr,
                            float fg,
                            float fb,
                            float fa)

  Overrides:
    `setColor` in class `IObject`

### setColor

    public ICurveR setColor(double dr,
                            double dg,
                            double db,
                            double da)

  Overrides:
    `setColor` in class `IObject`

### setHSBColor

    public ICurveR setHSBColor(float h,
                               float s,
                               float b,
                               float a)

  Overrides:
    `setHSBColor` in class `IObject`

### setHSBColor

    public ICurveR setHSBColor(double h,
                               double s,
                               double b,
                               double a)

  Overrides:
    `setHSBColor` in class `IObject`

### setHSBColor

    public ICurveR setHSBColor(float h,
                               float s,
                               float b)

  Overrides:
    `setHSBColor` in class `IObject`

### setHSBColor

    public ICurveR setHSBColor(double h,
                               double s,
                               double b)

  Overrides:
    `setHSBColor` in class `IObject`

### weight

    public ICurveR weight(double w)

  Overrides:
    `weight` in class `IObject`

### weight

    public ICurveR weight(float w)

  Overrides:
    `weight` in class `IObject`

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