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## igeo
Class IStraightenerCurve

    java.lang.Object
      igeo.IObject
          igeo.IGeometry
              igeo.ICurve
                  igeo.IStraightenerCurve

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

    public class IStraightenerCurve

extends ICurve
implements IStraightenerI

3 point curve with straightener force inside.

Author:
  Satoru Sugihara

Field Summary
`(package private) IStraightener` | `straightener`

Fields inherited from class igeo.ICurve
`curve`

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

Fields inherited from interface igeo.ITensionI
`defaultTension`

Constructor Summary
`IStraightenerCurve(IParticleGeo p1, IParticleGeo p2, IParticleGeo p3)`
`IStraightenerCurve(IParticleI p1, IParticleI p2, IParticleI p3)`
`IStraightenerCurve(IVecI p1, IVecI p2, IVecI p3)`
`IStraightenerCurve(IVec p1, IVec p2, IVec p3)`

Method Summary
`IStraightenerCurve` | `attr(IAttribute at)` set attributes
`IStraightenerCurve` | `clr(java.awt.Color c)`
`IStraightenerCurve` | `clr(java.awt.Color c, int alpha)`
`IStraightenerCurve` | `clr(double dgray)`
`IStraightenerCurve` | `clr(double dgray, double dalpha)`
`IStraightenerCurve` | `clr(double dr, double dg, double db)`
`IStraightenerCurve` | `clr(double dr, double dg, double db, double da)`
`IStraightenerCurve` | `clr(float fgray)`
`IStraightenerCurve` | `clr(float fgray, float falpha)`
`IStraightenerCurve` | `clr(float fr, float fg, float fb)`
`IStraightenerCurve` | `clr(float fr, float fg, float fb, float fa)`
`IStraightenerCurve` | `clr(IColor c)`
`IStraightenerCurve` | `clr(IColor c, double alpha)` to set color, with alpha value overwritten
`IStraightenerCurve` | `clr(IColor c, float alpha)` to set color, with alpha value overwritten
`IStraightenerCurve` | `clr(IColor c, int alpha)` to set color, with alpha value overwritten
`IStraightenerCurve` | `clr(int gray)`
`IStraightenerCurve` | `clr(int gray, int alpha)`
`IStraightenerCurve` | `clr(int r, int g, int b)`
`IStraightenerCurve` | `clr(int r, int g, int b, int a)`
`boolean` | `constant()` if constantTension is true, amount of force is always constant and it's equals to tension.
`IStraightenerCurve` | `constant(boolean cnst)` if constantTension is true, amount of force is always constant and it's equals to tension.
`IStraightenerCurve` | `hide()`
`IStraightenerCurve` | `hsb(double h, double s, double b)`
`IStraightenerCurve` | `hsb(double h, double s, double b, double a)`
`IStraightenerCurve` | `hsb(float h, float s, float b)`
`IStraightenerCurve` | `hsb(float h, float s, float b, float a)`
`IStraightenerCurve` | `layer(ILayer l)` Set layer by ILayer object
`IStraightenerCurve` | `layer(java.lang.String l)` Set layer by layer name.
`double` | `maxTension()` if maxTension is set to be positive number, it limits the force (distance * tension) is cut off at maxTension.
`IStraightenerCurve` | `maxTension(double maxTension)` if maxTension is set to be positive number, it limits the force (distance * tension) is cut off at maxTension if constant is set, maxTension is ignored.
`IStraightenerCurve` | `name(java.lang.String nm)` IObject methods
`IStraightenerCurve` | `parent(IObject par)`
`IParticleI` | `particle(int i)` alias of pt(int)
`IParticleI` | `particle1()` alias of pt1()
`IParticleI` | `particle2()` alias of pt2()
`IParticleI` | `particle3()` alias of pt3()
`IVec` | `pos(int i)` position of particle(i)
`IVec` | `pos1()` position of particle1()
`IVec` | `pos2()` position of particle2()
`IVec` | `pos3()` position of particle3()
`IParticleI` | `pt(int i)` getting end point.
`IParticleI` | `pt1()` getting end point1.
`IParticleI` | `pt2()` getting end point2.
`IParticleI` | `pt3()` getting end point3.
`IStraightenerCurve` | `removeTarget(int i)`
`IStraightenerCurve` | `removeTarget(IObject obj)`
`IStraightenerCurve` | `setColor(java.awt.Color c)`
`IStraightenerCurve` | `setColor(java.awt.Color c, int alpha)`
`IStraightenerCurve` | `setColor(double dgray)`
`IStraightenerCurve` | `setColor(double dgray, double dalpha)`
`IStraightenerCurve` | `setColor(double dr, double dg, double db)`
`IStraightenerCurve` | `setColor(double dr, double dg, double db, double da)`
`IStraightenerCurve` | `setColor(float fgray)`
`IStraightenerCurve` | `setColor(float fgray, float falpha)`
`IStraightenerCurve` | `setColor(float fr, float fg, float fb)`
`IStraightenerCurve` | `setColor(float fr, float fg, float fb, float fa)`
`IStraightenerCurve` | `setColor(int gray)`
`IStraightenerCurve` | `setColor(int gray, int alpha)`
`IStraightenerCurve` | `setColor(int r, int g, int b)`
`IStraightenerCurve` | `setColor(int r, int g, int b, int a)`
`IStraightenerCurve` | `setHSBColor(double h, double s, double b)`
`IStraightenerCurve` | `setHSBColor(double h, double s, double b, double a)`
`IStraightenerCurve` | `setHSBColor(float h, float s, float b)`
`IStraightenerCurve` | `setHSBColor(float h, float s, float b, float a)`
`IStraightenerCurve` | `show()`
`IStraightenerCurve` | `target(IObject targetObj)`
`double` | `tension()` tension is a coefficient to convert distance of two points to amount of force.
`IStraightenerCurve` | `tension(double tension)` tension is a coefficient to convert distance of two points to amount of force.
`IStraightenerCurve` | `weight(double w)`
`IStraightenerCurve` | `weight(float w)`

Methods inherited from class igeo.ICurve
`add, add, add, add, add, add, add, addCP, addCP, addCP, addCP, addCP, addCP, addCP, addCP, center, closePt, closePt, clr, clr, cp, cp, cp, cp, cp, cp, cpNum, cpNum, cpNum, cps, createGraphic, deg, deg, deg, dist, dist, div, div, dup, end, endCP, ep, ep, epNum, epNum, epNum, flip, flipU, get, initCurve, insertCP, insertCP, isClosed, isClosed, isClosed, isInside2d, isInside2d, isRational, isRational, isRational, isValid, knot, knot, knotNum, knotNum, knotNum, knots, knots, knots, len, len, len, mid, mirror, mirror, mul, mul, mv, mv, mv, neg, num, num, num, pt, pt, ref, ref, removeCP, removeCP, removeCP, rev, revU, rot, rot, rot, rot, rot, rot, rot, rot, rot2, rot2, rot2, rot2, rot2, rot2, scale, scale, scale, scale, scale1d, scale1d, scale1d, scale1d, setColor, setColor, setColor, setColor, setColor, setColor, shear, shear, shear, shear, shearXY, shearXY, shearXY, shearXY, shearYZ, shearYZ, shearYZ, shearYZ, shearZX, shearZX, shearZX, shearZX, start, startCP, sub, sub, sub, tan, tan, transform, transform, transform, transform, translate, translate, translate, u, u, u, u, u, u, u, u, uend, uend, uend, ustart, ustart, ustart`

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

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

Field Detail

### straightener

    IStraightener straightener

Constructor Detail

### IStraightenerCurve

    public IStraightenerCurve(IParticleI p1,
                              IParticleI p2,
                              IParticleI p3)

### IStraightenerCurve

    public IStraightenerCurve(IParticleGeo p1,
                              IParticleGeo p2,
                              IParticleGeo p3)

### IStraightenerCurve

    public IStraightenerCurve(IVec p1,
                              IVec p2,
                              IVec p3)

### IStraightenerCurve

    public IStraightenerCurve(IVecI p1,
                              IVecI p2,
                              IVecI p3)

Method Detail

### tension

    public double tension()

  Description copied from interface: `ITensionI`
  tension is a coefficient to convert distance of two points to amount of force.

  Specified by:
    `tension` in interface `ITensionI`

### tension

    public IStraightenerCurve tension(double tension)

  Description copied from interface: `ITensionI`
  tension is a coefficient to convert distance of two points to amount of force.

  Specified by:
    `tension` in interface `ITensionI`

### constant

    public boolean constant()

  Description copied from interface: `ITensionI`
  if constantTension is true, amount of force is always constant and it's equals to tension. Only direction of force changes. But if the distance is zero, force is also zero.

  Specified by:
    `constant` in interface `ITensionI`

### constant

    public IStraightenerCurve constant(boolean cnst)

  Description copied from interface: `ITensionI`
  if constantTension is true, amount of force is always constant and it's equals to tension. Only direction of force changes. But if the distance is zero, force is also zero.

  Specified by:
    `constant` in interface `ITensionI`

### maxTension

    public double maxTension()

  if maxTension is set to be positive number, it limits the force (distance * tension) is cut off at maxTension. if constant is set, maxTension is ignored.

  Specified by:
    `maxTension` in interface `ITensionI`

### maxTension

    public IStraightenerCurve maxTension(double maxTension)

  if maxTension is set to be positive number, it limits the force (distance * tension) is cut off at maxTension if constant is set, maxTension is ignored.

  Specified by:
    `maxTension` in interface `ITensionI`

### pt

    public IParticleI pt(int i)

  getting end point. i==0 or i==1 or i==2

  Specified by:
    `pt` in interface `ITensionI`

### particle

    public IParticleI particle(int i)

  alias of pt(int)

  Specified by:
    `particle` in interface `ITensionI`

### pos

    public IVec pos(int i)

  position of particle(i)

  Specified by:
    `pos` in interface `ITensionI`

### pt1

    public IParticleI pt1()

  getting end point1.

  Specified by:
    `pt1` in interface `ITensionI`

### particle1

    public IParticleI particle1()

  alias of pt1()

  Specified by:
    `particle1` in interface `ITensionI`

### pos1

    public IVec pos1()

  position of particle1()

  Specified by:
    `pos1` in interface `ITensionI`

### pt2

    public IParticleI pt2()

  getting end point2.

  Specified by:
    `pt2` in interface `ITensionI`

### particle2

    public IParticleI particle2()

  alias of pt2()

  Specified by:
    `particle2` in interface `ITensionI`

### pos2

    public IVec pos2()

  position of particle2()

  Specified by:
    `pos2` in interface `ITensionI`

### pt3

    public IParticleI pt3()

  getting end point3.

  Specified by:
    `pt3` in interface `IStraightenerI`

### particle3

    public IParticleI particle3()

  alias of pt3()

  Specified by:
    `particle3` in interface `IStraightenerI`

### pos3

    public IVec pos3()

  position of particle3()

  Specified by:
    `pos3` in interface `IStraightenerI`

### parent

    public IStraightenerCurve parent(IObject par)

### target

    public IStraightenerCurve target(IObject targetObj)

### removeTarget

    public IStraightenerCurve removeTarget(int i)

### removeTarget

    public IStraightenerCurve removeTarget(IObject obj)

### name

    public IStraightenerCurve name(java.lang.String nm)

  IObject methods

  Overrides:
    `name` in class `ICurve`

### layer

    public IStraightenerCurve layer(ILayer l)

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

  Overrides:
    `layer` in class `ICurve`

### layer

    public IStraightenerCurve layer(java.lang.String l)

  Description copied from class: `IGeometry`
  Set layer by layer name. If the layer specified by the name is not existing in the server, a new layer is automatically created in the server

  Overrides:
    `layer` in class `ICurve`

### attr

    public IStraightenerCurve attr(IAttribute at)

  Description copied from class: `IObject`
  set attributes

  Overrides:
    `attr` in class `ICurve`

### hide

    public IStraightenerCurve hide()

  Overrides:
    `hide` in class `ICurve`

### show

    public IStraightenerCurve show()

  Overrides:
    `show` in class `ICurve`

### clr

    public IStraightenerCurve clr(IColor c)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(IColor c,
                                  int alpha)

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

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(IColor c,
                                  float alpha)

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

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(IColor c,
                                  double alpha)

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

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(java.awt.Color c)

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(int gray)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(float fgray)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(double dgray)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(int gray,
                                  int alpha)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(float fgray,
                                  float falpha)

  Overrides:
    `clr` in class `ICurve`

### clr

    public IStraightenerCurve clr(double dgray,
                                  double dalpha)

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### clr

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

  Overrides:
    `clr` in class `ICurve`

### hsb

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

  Overrides:
    `hsb` in class `ICurve`

### hsb

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

  Overrides:
    `hsb` in class `ICurve`

### hsb

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

  Overrides:
    `hsb` in class `ICurve`

### hsb

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

  Overrides:
    `hsb` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(java.awt.Color c)

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(int gray)

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(float fgray)

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(double dgray)

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(int gray,
                                       int alpha)

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(float fgray,
                                       float falpha)

  Overrides:
    `setColor` in class `ICurve`

### setColor

    public IStraightenerCurve setColor(double dgray,
                                       double dalpha)

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setColor

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

  Overrides:
    `setColor` in class `ICurve`

### setHSBColor

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

  Overrides:
    `setHSBColor` in class `ICurve`

### setHSBColor

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

  Overrides:
    `setHSBColor` in class `ICurve`

### setHSBColor

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

  Overrides:
    `setHSBColor` in class `ICurve`

### setHSBColor

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

  Overrides:
    `setHSBColor` in class `ICurve`

### weight

    public IStraightenerCurve weight(double w)

  Overrides:
    `weight` in class `ICurve`

### weight

    public IStraightenerCurve weight(float w)

  Overrides:
    `weight` in class `ICurve`

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