ICurveGeo

java.lang.Object
- igeo.IParameterObject
- - igeo.INurbsGeo
  - - igeo.ICurveGeo

All Implemented Interfaces:

ICurveI, ICurveOp, IEntityParameter, IParameter, ISubobject, ITransformable, IVal

Direct Known Subclasses:

IArcGeo, ICircleGeo, ITrimCurve
```
public class ICurveGeo
extends INurbsGeo
implements ICurveI, IEntityParameter
```
Geometry of NURBS curve.

Author:

Satoru Sugihara

Field Summary

Fields
Modifier and Type	Field and Description
`IBSplineBasisFunction`	`basisFunction` bernstein basis function
`IVecI[]`	`controlPoints` control points
`boolean[]`	`defaultWeights` flag to determine to use default weight value (1.0)
`int`	`degree` degree of NURBS curve
`IBSplineBasisFunction`	`derivativeFunction` derivative of bernstein basis function
`double[]`	`knots` normalized knot vector (start value in knot vector is 0, end value is 1)
`double`	`uend` ustart and uend are not normalized, keeping original value in input files
`ICurveCache`	`uSearchCache`
`double`	`ustart` ustart and uend are not normalized, keeping original value in input files

Fields inherited from class igeo.IParameterObject
parent

Constructor Summary

Constructors
Constructor and Description
`ICurveGeo()`
`ICurveGeo(double[][] xyzValues)`
`ICurveGeo(double[][] xyzValues, boolean close)`
`ICurveGeo(double[][] xyzValues, int degree)`
`ICurveGeo(double[][] xyzValues, int degree, boolean close)`
`ICurveGeo(double x1, double y1, double z1, double x2, double y2, double z2)`
`ICurveGeo(ICurveGeo crv)`
`ICurveGeo(IEdge edge)`
`ICurveGeo(IVecI pt)`
`ICurveGeo(IVecI[] cpts)`
`ICurveGeo(IVecI[] cpts, boolean close)`
`ICurveGeo(IVecI[] cpts, int degree)`
`ICurveGeo(IVecI[] cpts, int degree, boolean close)`
`ICurveGeo(IVecI[] cpts, int degree, double[] knots)`
`ICurveGeo(IVecI[] cpts, int degree, double[] knots, double ustart, double uend)`
`ICurveGeo(IVecI pt1, IVecI pt2)`

Method Summary

Methods
Modifier and Type	Method and Description
`ICurveGeo`	`add(double x, double y, double z)` transformation methods
`ICurveGeo`	`add(double f, IVecI v)` scale add alias
`ICurveGeo`	`add(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveGeo`	`add(IDoubleI f, IVecI v)` scale add alias
`ICurveGeo`	`add(IVecI v)`
`ICurveGeo`	`add(IVecI v, double f)` scale add
`ICurveGeo`	`add(IVecI v, IDoubleI f)` scale add
`ICurveGeo`	`addCP(int index, IVecI pt)` add control point at i and rebuild the curve.
`ICurveGeo`	`addCP(int index, IVecI[] pts)` add control points at i and rebuild the curve.
`ICurveGeo`	`addCP(int index, IVecI[] pts, int newDegree)` add control point at i and rebuild the curve and change degree.
`ICurveGeo`	`addCP(int index, IVecI pt, int newDegree)` add control point at i and rebuild the curve and change degree.
`ICurveGeo`	`addCP(IVecI pt)` add control point at the end and rebuild the curve.
`ICurveGeo`	`addCP(IVecI[] pts)` add control points at the end and rebuild the curve.
`ICurveGeo`	`addCP(IVecI[] pts, int newDegree)` add control point at i and rebuild the curve and change degree.
`ICurveGeo`	`addCP(IVecI pt, int newDegree)` add control point at the end and rebuild the curve and change degree if possible.
`IVec`	`center()` Returns center of geometry object.
`static void`	`checkDuplicatedCP(IVecI[] cpts)`
`static void`	`checkDuplicatedCP(IVecI[] origCPs, IVecI newCP)`
`static void`	`checkDuplicatedCP(IVecI[] origCPs, IVecI[] newCPs)`
`static void`	`checkDuplicatedCPOnEdge(IVecI[] cpts)`
`IVec`	`closePt(IVec2I pt)` find approximately closest point on a curve on 2D
`IVec`	`closePt(IVecI pt)` find approximately closest point on a curve
`ICurveGeo`	`cp()` cp() is alias of dup()
`ICurveGeo`	`cp(double x, double y, double z)` cp() is alias of dup().add()
`ICurveGeo`	`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
`ICurveGeo`	`cp(IVecI v)` cp() is alias of dup().add()
`int`	`cpNum()`
`int`	`cpNum(ISwitchE e)`
`IInteger`	`cpNum(ISwitchR r)`
`IVecI[]`	`cps()` all control points
`int`	`deg()`
`int`	`deg(ISwitchE e)`
`IInteger`	`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
`ICurveGeo`	`div(double v)`
`ICurveGeo`	`div(IDoubleI v)`
`ICurveGeo`	`dup()` duplicate the instance
`IVec`	`end()`
`IVec`	`endCP()`
`IVec`	`ep(IIntegerI i)`
`IVec`	`ep(int i)` close curve with the current control points.
`int`	`epNum()`
`int`	`epNum(ISwitchE e)`
`IInteger`	`epNum(ISwitchR r)`
`ICurveGeo`	`flip()` alias of neg
`ICurveGeo`	`flipU()` alias of rev()
`ICurveGeo`	`get()`
`static IVec[]`	`getPointsFromArray(double[][] xyzvalues)`
`void`	`init(IVecI[] cpts)`
`void`	`init(IVecI[] cpts, boolean close)`
`void`	`init(IVecI[] cpts, int degree)`
`void`	`init(IVecI[] cpts, int degree, boolean close)`
`void`	`init(IVecI[] cpts, int degree, double[] knots)`
`ICurveGeo`	`insertCP(int i, IVecI pt)` alias of addCP(int,IVecI)
`ICurveGeo`	`insertCP(int i, IVecI[] pts)` alias of addCP(int,IVecI[])
`IVec[]`	`intersectPlane(IVecI planeDir, IVecI planePt)` intersection of curve and plane.
`IVec[]`	`intersectPlane(IVecI planeDir, IVecI planePt, int segmentResolution)` intersection of curve and plane.
`boolean`	`isClosed()`
`boolean`	`isClosed(ISwitchE e)`
`IBool`	`isClosed(ISwitchR r)`
`boolean`	`isInside2d(IVecI pt)` check if the input point is inside a closed curve.
`boolean`	`isInside2d(IVecI pt, IVecI projectionDir)` check if the input point is inside a closed curve.
`boolean`	`isRational()`
`boolean`	`isRational(ISwitchE e)`
`IBool`	`isRational(ISwitchR r)`
`boolean`	`isValid()`
`static boolean`	`isValidCP(IVecI[] cpts)`
`static boolean`	`isValidCP(IVecI[] cpts, int deg, double[] knots)`
`IDouble`	`knot(IIntegerI i)`
`double`	`knot(int i)` close curve with the current control points.
`int`	`knotNum()`
`int`	`knotNum(ISwitchE e)`
`IInteger`	`knotNum(ISwitchR r)`
`double[]`	`knots()` all knot values
`double[]`	`knots(ISwitchE e)`
`IDouble[]`	`knots(ISwitchR r)`
`double`	`len()`
`double`	`len(double resolutionPerEP)`
`double`	`len(ISwitchE e)`
`IDouble`	`len(ISwitchR r)`
`IVec`	`mid()` parametrically mid point of a curve
`ICurveGeo`	`mirror(IVecI planeDir)` mirror is alias of ref
`ICurveGeo`	`mirror(IVecI center, IVecI planeDir)`
`ICurveGeo`	`mul(double v)`
`ICurveGeo`	`mul(IDoubleI v)`
`ICurveGeo`	`mv(double x, double y, double z)` mv() is alias of add()
`ICurveGeo`	`mv(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveGeo`	`mv(IVecI v)`
`ICurveGeo`	`neg()`
`int`	`num()` change degree.
`int`	`num(ISwitchE e)`
`IInteger`	`num(ISwitchR r)`
`int`	`overlapCPNum()` number of overlapping control points at the end and the beginning when the curve is closed.
`IVec`	`pt(double u)`
`void`	`pt(double u, IVec retval)`
`IVec`	`pt(IDoubleI u)`
`ICurveGeo`	`ref(IVecI planeDir)` reflect(mirror) 3 dimensionally to the other side of the plane
`ICurveGeo`	`ref(IVecI center, IVecI planeDir)`
`ICurveGeo`	`removeCP()` removing control point at the end and rebuild the curve.
`ICurveGeo`	`removeCP(int index)` removing control point at i and rebuild the curve note that a knots is rebuilt with default equal interval and destroy original knot intervals if variable, like circle.
`ICurveGeo`	`removeCP(int indexFrom, int indexTo)` removing control point from indexFrom to indexTo-1 and rebuild the curve.
`ICurveGeo`	`rev()` reverse U coordintates direction of curve, without creating a new object
`ICurveGeo`	`revU()` alias of rev()
`ICurveGeo`	`rot(double angle)`
`ICurveGeo`	`rot(IDoubleI angle)` rotation around z-axis and origin
`ICurveGeo`	`rot(IVecI axis, double angle)`
`ICurveGeo`	`rot(IVecI axis, IDoubleI angle)` rotation around axis vector
`ICurveGeo`	`rot(IVecI axis, IVecI destDir)` rotate to destination direction vector
`ICurveGeo`	`rot(IVecI center, IVecI axis, double angle)`
`ICurveGeo`	`rot(IVecI center, IVecI axis, IDoubleI angle)` rotation around axis vector and center
`ICurveGeo`	`rot(IVecI center, IVecI axis, IVecI destPt)` rotate to destination point location
`ICurveGeo`	`rot2(double angle)` rotation on xy-plane around origin; same with rot(double)
`ICurveGeo`	`rot2(IDoubleI angle)` rotation on xy-plane around origin; same with rot(IDoubleI)
`ICurveGeo`	`rot2(IVecI destDir)` rotation on xy-plane to destination direction vector
`ICurveGeo`	`rot2(IVecI center, double angle)`
`ICurveGeo`	`rot2(IVecI center, IDoubleI angle)` rotation on xy-plane around center
`ICurveGeo`	`rot2(IVecI center, IVecI destPt)` rotation on xy-plane to destination point location
`ICurveGeo`	`scale(double f)`
`ICurveGeo`	`scale(IDoubleI f)` alias of mul
`ICurveGeo`	`scale(IVecI center, double f)`
`ICurveGeo`	`scale(IVecI center, IDoubleI f)`
`ICurveGeo`	`scale1d(IVecI axis, double f)` scale only in 1 direction
`ICurveGeo`	`scale1d(IVecI axis, IDoubleI f)`
`ICurveGeo`	`scale1d(IVecI center, IVecI axis, double f)`
`ICurveGeo`	`scale1d(IVecI center, IVecI axis, IDoubleI f)`
`ICurveGeo`	`shear(double sxy, double syx, double syz, double szy, double szx, double sxz)` shear operation
`ICurveGeo`	`shear(IDoubleI sxy, IDoubleI syx, IDoubleI syz, IDoubleI szy, IDoubleI szx, IDoubleI sxz)`
`ICurveGeo`	`shear(IVecI center, double sxy, double syx, double syz, double szy, double szx, double sxz)`
`ICurveGeo`	`shear(IVecI center, IDoubleI sxy, IDoubleI syx, IDoubleI syz, IDoubleI szy, IDoubleI szx, IDoubleI sxz)`
`ICurveGeo`	`shearXY(double sxy, double syx)`
`ICurveGeo`	`shearXY(IDoubleI sxy, IDoubleI syx)`
`ICurveGeo`	`shearXY(IVecI center, double sxy, double syx)`
`ICurveGeo`	`shearXY(IVecI center, IDoubleI sxy, IDoubleI syx)`
`ICurveGeo`	`shearYZ(double syz, double szy)`
`ICurveGeo`	`shearYZ(IDoubleI syz, IDoubleI szy)`
`ICurveGeo`	`shearYZ(IVecI center, double syz, double szy)`
`ICurveGeo`	`shearYZ(IVecI center, IDoubleI syz, IDoubleI szy)`
`ICurveGeo`	`shearZX(double szx, double sxz)`
`ICurveGeo`	`shearZX(IDoubleI szx, IDoubleI sxz)`
`ICurveGeo`	`shearZX(IVecI center, double szx, double sxz)`
`ICurveGeo`	`shearZX(IVecI center, IDoubleI szx, IDoubleI sxz)`
`IVec`	`start()`
`IVec`	`startCP()`
`ICurveGeo`	`sub(double x, double y, double z)`
`ICurveGeo`	`sub(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveGeo`	`sub(IVecI v)`
`IVec`	`tan(double u)`
`void`	`tan(double u, IVec retval)`
`IVec`	`tan(IDoubleI u)`
`ICurveGeo`	`transform(IMatrix3I mat)`
`ICurveGeo`	`transform(IMatrix4I mat)`
`ICurveGeo`	`transform(IVecI xvec, IVecI yvec, IVecI zvec)`
`ICurveGeo`	`transform(IVecI xvec, IVecI yvec, IVecI zvec, IVecI translate)`
`ICurveGeo`	`translate(double x, double y, double z)` translate is alias of add()
`ICurveGeo`	`translate(IDoubleI x, IDoubleI y, IDoubleI z)`
`ICurveGeo`	`translate(IVecI v)`
`IDouble`	`u(IInteger epIdx, IDouble epFraction)`
`double`	`u(int epIdx, double epFraction)`
`double`	`u(ISwitchE r, IVec2I pt)`
`double`	`u(ISwitchE r, IVecI pt)`
`IDouble`	`u(ISwitchR r, IVec2I pt)`
`IDouble`	`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)`
`IDouble`	`uend(ISwitchR r)`
`ICurveGeo`	`updateCache()`
`double`	`ustart()`
`double`	`ustart(ISwitchE e)`
`IDouble`	`ustart(ISwitchR r)`

Methods inherited from class igeo.INurbsGeo
createClosedCP, createClosedCPInU, createClosedCPInV, createClosedKnots, createKnots, createKnots, invertKnots, isValidKnots, normalizeKnots

Methods inherited from class igeo.IParameterObject
createObject, parent, parent

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

- Field Detail
  - controlPoints
```
public IVecI[] controlPoints
```
    control points
  - degree
```
public int degree
```
    degree of NURBS curve
  - knots
```
public double[] knots
```
    normalized knot vector (start value in knot vector is 0, end value is 1)
  - ustart
```
public double ustart
```
    ustart and uend are not normalized, keeping original value in input files
  - uend
```
public double uend
```
    ustart and uend are not normalized, keeping original value in input files
  - defaultWeights
```
public boolean[] defaultWeights
```
    flag to determine to use default weight value (1.0)
  - basisFunction
```
public IBSplineBasisFunction basisFunction
```
    bernstein basis function
  - derivativeFunction
```
public IBSplineBasisFunction derivativeFunction
```
    derivative of bernstein basis function
  - uSearchCache
```
public ICurveCache uSearchCache
```
- Constructor Detail
  - ICurveGeo
```
public ICurveGeo()
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts,
         int degree,
         double[] knots,
         double ustart,
         double uend)
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts,
         int degree,
         double[] knots)
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts,
         int degree)
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts)
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts,
         int degree,
         boolean close)
```
  - ICurveGeo
```
public ICurveGeo(IVecI[] cpts,
         boolean close)
```
  - ICurveGeo
```
public ICurveGeo(IVecI pt1,
         IVecI pt2)
```
  - ICurveGeo
```
public ICurveGeo(IVecI pt)
```
  - ICurveGeo
```
public ICurveGeo(double x1,
         double y1,
         double z1,
         double x2,
         double y2,
         double z2)
```
  - ICurveGeo
```
public ICurveGeo(double[][] xyzValues)
```
  - ICurveGeo
```
public ICurveGeo(double[][] xyzValues,
         int degree)
```
  - ICurveGeo
```
public ICurveGeo(double[][] xyzValues,
         boolean close)
```
  - ICurveGeo
```
public ICurveGeo(double[][] xyzValues,
         int degree,
         boolean close)
```
  - ICurveGeo
```
public ICurveGeo(IEdge edge)
```
  - ICurveGeo
```
public ICurveGeo(ICurveGeo crv)
```
- Method Detail
  - init
```
public void init(IVecI[] cpts)
```
  - init
```
public void init(IVecI[] cpts,
        int degree)
```
  - init
```
public void init(IVecI[] cpts,
        boolean close)
```
  - init
```
public void init(IVecI[] cpts,
        int degree,
        boolean close)
```
  - init
```
public void init(IVecI[] cpts,
        int degree,
        double[] knots)
```
  - isValid
```
public boolean isValid()
```
    Specified by:
    
    isValid in interface ICurveI
  - isValidCP
```
public static boolean isValidCP(IVecI[] cpts,
                int deg,
                double[] knots)
```
  - isValidCP
```
public static boolean isValidCP(IVecI[] cpts)
```
  - checkDuplicatedCP
```
public static void checkDuplicatedCP(IVecI[] cpts)
```
  - checkDuplicatedCP
```
public static void checkDuplicatedCP(IVecI[] origCPs,
                     IVecI newCP)
```
  - checkDuplicatedCP
```
public static void checkDuplicatedCP(IVecI[] origCPs,
                     IVecI[] newCPs)
```
  - checkDuplicatedCPOnEdge
```
public static void checkDuplicatedCPOnEdge(IVecI[] cpts)
```
  - getPointsFromArray
```
public static IVec[] getPointsFromArray(double[][] xyzvalues)
```
  - 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 ICurveGeo dup()
```
    Description copied from interface: ITransformable
    
    duplicate the instance
    
    Specified by:
    
    dup in interface ICurveI
    
    Specified by:
    
    dup in interface ITransformable
    
    Returns:
    duplicated instance
  - pt
```
public IVec pt(IDoubleI u)
```
    Specified by:
    
    pt in interface ICurveI
  - pt
```
public IVec pt(double u)
```
    Specified by:
    
    pt in interface ICurveI
  - pt
```
public void pt(double u,
      IVec retval)
```
  - tan
```
public IVec tan(IDoubleI u)
```
    Specified by:
    
    tan in interface ICurveI
  - tan
```
public IVec tan(double u)
```
    Specified by:
    
    tan in interface ICurveI
  - tan
```
public void tan(double u,
       IVec retval)
```
  - 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
  - addCP
```
public ICurveGeo addCP(IVecI pt,
              int newDegree)
```
    add control point at the end and rebuild the curve and change degree if possible. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(IVecI pt)
```
    add control point at the end and rebuild the curve. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(int index,
              IVecI pt,
              int newDegree)
```
    add control point at i and rebuild the curve and change degree. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(int index,
              IVecI pt)
```
    add control point at i and rebuild the curve. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(IVecI[] pts,
              int newDegree)
```
    add control point at i and rebuild the curve and change degree. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(IVecI[] pts)
```
    add control points at the end and rebuild the curve. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(int index,
              IVecI[] pts,
              int newDegree)
```
    add control point at i and rebuild the curve and change degree. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - addCP
```
public ICurveGeo addCP(int index,
              IVecI[] pts)
```
    add control points at i and rebuild the curve. note that a knots is rebuilt with default equal intervals and destroy original knot intervals if variable, like circle.
  - insertCP
```
public ICurveGeo insertCP(int i,
                 IVecI pt)
```
    alias of addCP(int,IVecI)
  - insertCP
```
public ICurveGeo insertCP(int i,
                 IVecI[] pts)
```
    alias of addCP(int,IVecI[])
  - removeCP
```
public ICurveGeo removeCP()
```
    removing control point at the end and rebuild the curve. note that a knots is rebuilt with default equal interval and destroy original knot intervals if variable, like circle.
  - removeCP
```
public ICurveGeo removeCP(int index)
```
    removing control point at i and rebuild the curve note that a knots is rebuilt with default equal interval and destroy original knot intervals if variable, like circle.
  - removeCP
```
public ICurveGeo removeCP(int indexFrom,
                 int indexTo)
```
    removing control point from indexFrom to indexTo-1 and rebuild the curve. note taht point at indexTo is not removed. note that a knots is rebuilt with default equal interval and destroy original knot intervals if variable, like circle.
  - ep
```
public IVec ep(int i)
```
    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:
    
    ep in interface ICurveI
  - ep
```
public IVec ep(IIntegerI i)
```
    Specified by:
    
    ep in interface ICurveI
  - start
```
public IVec start()
```
    Specified by:
    
    start in interface ICurveI
  - end
```
public IVec end()
```
    Specified by:
    
    end in interface ICurveI
  - startCP
```
public IVec startCP()
```
    Specified by:
    
    startCP in interface ICurveI
  - endCP
```
public IVec endCP()
```
    Specified by:
    
    endCP in interface ICurveI
  - mid
```
public IVec mid()
```
    parametrically mid point of a curve
    
    Specified by:
    
    mid in interface ICurveI
  - center
```
public IVec center()
```
    Returns center of geometry object. This is approximation calculated only by control points
    
    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 IDouble 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 IDouble u(ISwitchR r,
        IVec2I pt)
```
    Specified by:
    
    u in interface ICurveI
  - closePt
```
public IVec closePt(IVecI pt)
```
    find approximately closest point on a curve
    
    Specified by:
    
    closePt in interface ICurveI
  - closePt
```
public IVec 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 IDouble 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 IDouble[] 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 IInteger knotNum(ISwitchR r)
```
    Specified by:
    
    knotNum 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 IInteger 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 IInteger 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 IInteger 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 IInteger epNum(ISwitchR r)
```
    Specified by:
    
    epNum 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 IBool isRational(ISwitchR r)
```
    Specified by:
    
    isRational in interface ICurveI
  - len
```
public double len(double resolutionPerEP)
```
  - 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 IDouble 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 IDouble ustart(ISwitchR r)
```
    Specified by:
    
    ustart in interface ICurveI
  - uend
```
public IDouble 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 IBool isClosed(ISwitchR r)
```
    Specified by:
    
    isClosed in interface ICurveI
  - rev
```
public ICurveGeo 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 ICurveGeo revU()
```
    alias of rev()
    
    Specified by:
    
    revU in interface ICurveI
  - flipU
```
public ICurveGeo flipU()
```
    alias of rev()
    
    Specified by:
    
    flipU in interface ICurveI
  - overlapCPNum
```
public int overlapCPNum()
```
    number of overlapping control points at the end and the beginning when the curve is closed. this should be used after checking curve is closed. if it's open it checks all the control points.
  - isInside2d
```
public boolean isInside2d(IVecI pt,
                 IVecI projectionDir)
```
    check if the input point is inside a closed curve. if not closed, it supposes closed by connecting the start and end point
  - isInside2d
```
public boolean isInside2d(IVecI pt)
```
    check if the input point is inside a closed curve. if not closed, it supposes closed by connecting the start and end point
  - updateCache
```
public ICurveGeo updateCache()
```
  - intersectPlane
```
public IVec[] intersectPlane(IVecI planeDir,
                    IVecI planePt,
                    int segmentResolution)
```
    intersection of curve and plane.
    
    Parameters:
    segmentResolution - segmentation resolution per EP count in degree >= 1 curve.
  - intersectPlane
```
public IVec[] intersectPlane(IVecI planeDir,
                    IVecI planePt)
```
    intersection of curve and plane.
  - add
```
public ICurveGeo add(double x,
            double y,
            double z)
```
    transformation methods
    
    Specified by:
    
    add in interface ICurveI
    
    Specified by:
    
    add in interface ITransformable
  - add
```
public ICurveGeo add(IDoubleI x,
            IDoubleI y,
            IDoubleI z)
```
    Specified by:
    
    add in interface ICurveI
    
    Specified by:
    
    add in interface ITransformable
  - add
```
public ICurveGeo add(IVecI v)
```
    Specified by:
    
    add in interface ICurveI
    
    Specified by:
    
    add in interface ITransformable
  - sub
```
public ICurveGeo sub(double x,
            double y,
            double z)
```
    Specified by:
    
    sub in interface ICurveI
    
    Specified by:
    
    sub in interface ITransformable
  - sub
```
public ICurveGeo sub(IDoubleI x,
            IDoubleI y,
            IDoubleI z)
```
    Specified by:
    
    sub in interface ICurveI
    
    Specified by:
    
    sub in interface ITransformable
  - sub
```
public ICurveGeo sub(IVecI v)
```
    Specified by:
    
    sub in interface ICurveI
    
    Specified by:
    
    sub in interface ITransformable
  - mul
```
public ICurveGeo mul(IDoubleI v)
```
    Specified by:
    
    mul in interface ICurveI
    
    Specified by:
    
    mul in interface ITransformable
  - mul
```
public ICurveGeo mul(double v)
```
    Specified by:
    
    mul in interface ICurveI
    
    Specified by:
    
    mul in interface ITransformable
  - div
```
public ICurveGeo div(IDoubleI v)
```
    Specified by:
    
    div in interface ICurveI
    
    Specified by:
    
    div in interface ITransformable
  - div
```
public ICurveGeo div(double v)
```
    Specified by:
    
    div in interface ICurveI
    
    Specified by:
    
    div in interface ITransformable
  - neg
```
public ICurveGeo neg()
```
    Specified by:
    
    neg in interface ICurveI
    
    Specified by:
    
    neg in interface ITransformable
  - flip
```
public ICurveGeo flip()
```
    alias of neg
    
    Specified by:
    
    flip in interface ICurveI
    
    Specified by:
    
    flip in interface ITransformable
  - add
```
public ICurveGeo add(IVecI v,
            double f)
```
    scale add
    
    Specified by:
    
    add in interface ICurveI
    
    Specified by:
    
    add in interface ITransformable
  - add
```
public ICurveGeo 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 ICurveGeo add(double f,
            IVecI v)
```
    scale add alias
    
    Specified by:
    
    add in interface ITransformable
  - add
```
public ICurveGeo add(IDoubleI f,
            IVecI v)
```
    Description copied from interface: ITransformable
    
    scale add alias
    
    Specified by:
    
    add in interface ITransformable
  - rot
```
public ICurveGeo rot(IDoubleI angle)
```
    Description copied from interface: ITransformable
    
    rotation around z-axis and origin
    
    Specified by:
    
    rot in interface ITransformable
  - rot
```
public ICurveGeo rot(double angle)
```
    Specified by:
    
    rot in interface ITransformable
  - rot
```
public ICurveGeo 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 ICurveGeo rot(IVecI axis,
            double angle)
```
    Specified by:
    
    rot in interface ICurveI
    
    Specified by:
    
    rot in interface ITransformable
  - rot
```
public ICurveGeo 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 ICurveGeo rot(IVecI center,
            IVecI axis,
            double angle)
```
    Specified by:
    
    rot in interface ICurveI
    
    Specified by:
    
    rot in interface ITransformable
  - rot
```
public ICurveGeo rot(IVecI axis,
            IVecI destDir)
```
    rotate to destination direction vector
    
    Specified by:
    
    rot in interface ICurveI
    
    Specified by:
    
    rot in interface ITransformable
  - rot
```
public ICurveGeo 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 ICurveGeo 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 ICurveGeo 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 ICurveGeo rot2(IVecI center,
             IDoubleI angle)
```
    Description copied from interface: ITransformable
    
    rotation on xy-plane around center
    
    Specified by:
    
    rot2 in interface ITransformable
  - rot2
```
public ICurveGeo rot2(IVecI center,
             double angle)
```
    Specified by:
    
    rot2 in interface ITransformable
  - rot2
```
public ICurveGeo rot2(IVecI destDir)
```
    rotation on xy-plane to destination direction vector
    
    Specified by:
    
    rot2 in interface ITransformable
  - rot2
```
public ICurveGeo rot2(IVecI center,
             IVecI destPt)
```
    rotation on xy-plane to destination point location
    
    Specified by:
    
    rot2 in interface ITransformable
  - scale
```
public ICurveGeo scale(IDoubleI f)
```
    alias of mul
    
    Specified by:
    
    scale in interface ICurveI
    
    Specified by:
    
    scale in interface ITransformable
  - scale
```
public ICurveGeo scale(double f)
```
    Specified by:
    
    scale in interface ICurveI
    
    Specified by:
    
    scale in interface ITransformable
  - scale
```
public ICurveGeo scale(IVecI center,
              IDoubleI f)
```
    Specified by:
    
    scale in interface ICurveI
    
    Specified by:
    
    scale in interface ITransformable
  - scale
```
public ICurveGeo scale(IVecI center,
              double f)
```
    Specified by:
    
    scale in interface ICurveI
    
    Specified by:
    
    scale in interface ITransformable
  - scale1d
```
public ICurveGeo scale1d(IVecI axis,
                double f)
```
    scale only in 1 direction
    
    Specified by:
    
    scale1d in interface ICurveI
    
    Specified by:
    
    scale1d in interface ITransformable
  - scale1d
```
public ICurveGeo scale1d(IVecI axis,
                IDoubleI f)
```
    Specified by:
    
    scale1d in interface ICurveI
    
    Specified by:
    
    scale1d in interface ITransformable
  - scale1d
```
public ICurveGeo scale1d(IVecI center,
                IVecI axis,
                double f)
```
    Specified by:
    
    scale1d in interface ICurveI
    
    Specified by:
    
    scale1d in interface ITransformable
  - scale1d
```
public ICurveGeo scale1d(IVecI center,
                IVecI axis,
                IDoubleI f)
```
    Specified by:
    
    scale1d in interface ICurveI
    
    Specified by:
    
    scale1d in interface ITransformable
  - ref
```
public ICurveGeo 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 ICurveGeo ref(IVecI center,
            IVecI planeDir)
```
    Specified by:
    
    ref in interface ICurveI
    
    Specified by:
    
    ref in interface ITransformable
  - mirror
```
public ICurveGeo mirror(IVecI planeDir)
```
    mirror is alias of ref
    
    Specified by:
    
    mirror in interface ICurveI
    
    Specified by:
    
    mirror in interface ITransformable
  - mirror
```
public ICurveGeo mirror(IVecI center,
               IVecI planeDir)
```
    Specified by:
    
    mirror in interface ICurveI
    
    Specified by:
    
    mirror in interface ITransformable
  - shear
```
public ICurveGeo 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 ICurveGeo 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 ICurveGeo 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 ICurveGeo 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 ICurveGeo shearXY(double sxy,
                double syx)
```
    Specified by:
    
    shearXY in interface ICurveI
    
    Specified by:
    
    shearXY in interface ITransformable
  - shearXY
```
public ICurveGeo shearXY(IDoubleI sxy,
                IDoubleI syx)
```
    Specified by:
    
    shearXY in interface ICurveI
    
    Specified by:
    
    shearXY in interface ITransformable
  - shearXY
```
public ICurveGeo shearXY(IVecI center,
                double sxy,
                double syx)
```
    Specified by:
    
    shearXY in interface ICurveI
    
    Specified by:
    
    shearXY in interface ITransformable
  - shearXY
```
public ICurveGeo shearXY(IVecI center,
                IDoubleI sxy,
                IDoubleI syx)
```
    Specified by:
    
    shearXY in interface ICurveI
    
    Specified by:
    
    shearXY in interface ITransformable
  - shearYZ
```
public ICurveGeo shearYZ(double syz,
                double szy)
```
    Specified by:
    
    shearYZ in interface ICurveI
    
    Specified by:
    
    shearYZ in interface ITransformable
  - shearYZ
```
public ICurveGeo shearYZ(IDoubleI syz,
                IDoubleI szy)
```
    Specified by:
    
    shearYZ in interface ICurveI
    
    Specified by:
    
    shearYZ in interface ITransformable
  - shearYZ
```
public ICurveGeo shearYZ(IVecI center,
                double syz,
                double szy)
```
    Specified by:
    
    shearYZ in interface ICurveI
    
    Specified by:
    
    shearYZ in interface ITransformable
  - shearYZ
```
public ICurveGeo shearYZ(IVecI center,
                IDoubleI syz,
                IDoubleI szy)
```
    Specified by:
    
    shearYZ in interface ICurveI
    
    Specified by:
    
    shearYZ in interface ITransformable
  - shearZX
```
public ICurveGeo shearZX(double szx,
                double sxz)
```
    Specified by:
    
    shearZX in interface ICurveI
    
    Specified by:
    
    shearZX in interface ITransformable
  - shearZX
```
public ICurveGeo shearZX(IDoubleI szx,
                IDoubleI sxz)
```
    Specified by:
    
    shearZX in interface ICurveI
    
    Specified by:
    
    shearZX in interface ITransformable
  - shearZX
```
public ICurveGeo shearZX(IVecI center,
                double szx,
                double sxz)
```
    Specified by:
    
    shearZX in interface ICurveI
    
    Specified by:
    
    shearZX in interface ITransformable
  - shearZX
```
public ICurveGeo shearZX(IVecI center,
                IDoubleI szx,
                IDoubleI sxz)
```
    Specified by:
    
    shearZX in interface ICurveI
    
    Specified by:
    
    shearZX in interface ITransformable
  - translate
```
public ICurveGeo 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 ICurveGeo translate(IDoubleI x,
                  IDoubleI y,
                  IDoubleI z)
```
    Specified by:
    
    translate in interface ICurveI
    
    Specified by:
    
    translate in interface ITransformable
  - translate
```
public ICurveGeo translate(IVecI v)
```
    Specified by:
    
    translate in interface ICurveI
    
    Specified by:
    
    translate in interface ITransformable
  - transform
```
public ICurveGeo transform(IMatrix3I mat)
```
    Specified by:
    
    transform in interface ICurveI
    
    Specified by:
    
    transform in interface ITransformable
  - transform
```
public ICurveGeo transform(IMatrix4I mat)
```
    Specified by:
    
    transform in interface ICurveI
    
    Specified by:
    
    transform in interface ITransformable
  - transform
```
public ICurveGeo transform(IVecI xvec,
                  IVecI yvec,
                  IVecI zvec)
```
    Specified by:
    
    transform in interface ICurveI
    
    Specified by:
    
    transform in interface ITransformable
  - transform
```
public ICurveGeo transform(IVecI xvec,
                  IVecI yvec,
                  IVecI zvec,
                  IVecI translate)
```
    Specified by:
    
    transform in interface ICurveI
    
    Specified by:
    
    transform in interface ITransformable
  - mv
```
public ICurveGeo 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 ICurveGeo mv(IDoubleI x,
           IDoubleI y,
           IDoubleI z)
```
    Specified by:
    
    mv in interface ICurveI
    
    Specified by:
    
    mv in interface ITransformable
  - mv
```
public ICurveGeo mv(IVecI v)
```
    Specified by:
    
    mv in interface ICurveI
    
    Specified by:
    
    mv in interface ITransformable
  - cp
```
public ICurveGeo cp()
```
    cp() is alias of dup()
    
    Specified by:
    
    cp in interface ICurveI
    
    Specified by:
    
    cp in interface ITransformable
  - cp
```
public ICurveGeo 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 ICurveGeo 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 ICurveGeo cp(IVecI v)
```
    cp() is alias of dup().add()
    
    Specified by:
    
    cp in interface ICurveI
    
    Specified by:
    
    cp in interface ITransformable

Class ICurveGeo

Field Summary

Fields inherited from class igeo.IParameterObject

Constructor Summary

Method Summary

Methods inherited from class igeo.INurbsGeo

Methods inherited from class igeo.IParameterObject

Methods inherited from class java.lang.Object

Field Detail

controlPoints

degree

knots

ustart

uend

defaultWeights

basisFunction

derivativeFunction

uSearchCache

Constructor Detail

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

ICurveGeo

Method Detail

init

init

init

init

init

isValid

isValidCP

isValidCP

checkDuplicatedCP

checkDuplicatedCP

checkDuplicatedCP

checkDuplicatedCPOnEdge

getPointsFromArray

get

dup

pt

pt

pt

tan

tan

tan

cp

cp

cps

addCP

addCP

addCP

addCP

addCP

addCP

addCP

addCP

insertCP

insertCP

removeCP

removeCP

removeCP

ep

ep

start

end

startCP

endCP

mid