StraightLine3D (java-geom 3.3.1 API)

java.lang.Object
- math.geom3d.line.StraightLine3D

All Implemented Interfaces:

Serializable, ContinuousCurve3D, Curve3D, Shape3D
```
public class StraightLine3D
extends Object
implements ContinuousCurve3D
```
Author:

dlegland

See Also:
Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface math.geom3d.Shape3D
  Shape3D.EmptySet3D

Field Summary

Fields
Modifier and Type Field and Description

protected double dx

protected double dy

protected double dz

protected double x0

protected double y0

protected double z0
- Fields inherited from interface math.geom3d.Shape3D
  ACCURACY, EMPTY_SET

Fields
Modifier and Type	Field and Description
`protected double`	`dx`
`protected double`	`dy`
`protected double`	`dz`
`protected double`	`x0`
`protected double`	`y0`
`protected double`	`z0`

Constructor Summary

Constructors
Constructor and Description
`StraightLine3D()`
`StraightLine3D(double x0, double y0, double z0, double dx, double dy, double dz)`
`StraightLine3D(Point3D p1, Point3D p2)` Constructs a line passing through the 2 points.
`StraightLine3D(Point3D origin, Vector3D direction)`

Method Summary

Methods
Modifier and Type	Method and Description
`Shape3D`	`clip(Box3D box)`
`boolean`	`contains(Point3D point)`
`Box3D`	`getBoundingBox()`
`Collection<StraightLine3D>`	`getContinuousCurves()` Returns the collection of continuous curves which constitute this curve.
`Vector3D`	`getDirection()`
`double`	`getDistance(Point3D p)` Gets the distance of the shape to the given point, or the distance of point to the frontier of the shape in the case of a plain shape.
`Point3D`	`getExamplePoint1()`
`Point3D`	`getExamplePoint2()`
`Point3D`	`getFirstPoint()` Get the first point of the curve.
`Point3D`	`getLastPoint()` Get the last point of the curve.
`Point3D`	`getOrigin()`
`Point3D`	`getPoint(double t)` Gets the point from a parametric representation of the curve.
`Point3D`	`getPoint(double t, Point3D point)` Same as getPoint(t), but gives the point as a parameter.
`double`	`getPosition(Point3D point)` Get position of the point on the curve.
`StraightLine3D`	`getReverseCurve()` Returns the curve with same trace on the plane with parametrization in reverse order.
`Collection<Point3D>`	`getSingularPoints()` Returns an empty array of Point3D.
`Curve3D`	`getSubCurve(double t0, double t1)` Returns a portion of the original curve, delimited by two positions on the curve.
`double`	`getT0()` Returns -INFINITY;
`double`	`getT1()` Returns +INFINITY;
`boolean`	`isBounded()` Returns true if the shape is bounded, that is if we can draw a finite rectangle enclosing the shape.
`boolean`	`isEmpty()`
`StraightLine3D`	`project(Plane3D plane)`
`double`	`project(Point3D point)` Compute the position of the orthogonal projection of the given point on this line.
`Point3D`	`projectPoint(Point3D point)`
`StraightLine3D`	`transform(AffineTransform3D trans)` Transforms the curve by an affine transform.

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

- Field Detail
  - x0
```
protected double x0
```
  - y0
```
protected double y0
```
  - z0
```
protected double z0
```
  - dx
```
protected double dx
```
  - dy
```
protected double dy
```
  - dz
```
protected double dz
```
- Constructor Detail
  - StraightLine3D
```
public StraightLine3D()
```
  - StraightLine3D
```
public StraightLine3D(Point3D origin,
              Vector3D direction)
```
  - StraightLine3D
```
public StraightLine3D(Point3D p1,
              Point3D p2)
```
    Constructs a line passing through the 2 points.
    
    Parameters:
    p1 - the first point
    p2 - the second point
  - StraightLine3D
```
public StraightLine3D(double x0,
              double y0,
              double z0,
              double dx,
              double dy,
              double dz)
```
- Method Detail
  - getOrigin
```
public Point3D getOrigin()
```
  - getExamplePoint1
```
public Point3D getExamplePoint1()
```
  - getExamplePoint2
```
public Point3D getExamplePoint2()
```
  - getDirection
```
public Vector3D getDirection()
```
  - project
```
public StraightLine3D project(Plane3D plane)
```
  - projectPoint
```
public Point3D projectPoint(Point3D point)
```
  - clip
```
public Shape3D clip(Box3D box)
```
    Specified by:
    
    clip in interface Shape3D
  - contains
```
public boolean contains(Point3D point)
```
    Specified by:
    
    contains in interface Shape3D
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Shape3D
  - isBounded
```
public boolean isBounded()
```
    Description copied from interface: Shape3D
    
    Returns true if the shape is bounded, that is if we can draw a finite rectangle enclosing the shape. For example, a straight line or a parabola are not bounded.
    
    Specified by:
    
    isBounded in interface Shape3D
  - getBoundingBox
```
public Box3D getBoundingBox()
```
    Specified by:
    
    getBoundingBox in interface Shape3D
  - getDistance
```
public double getDistance(Point3D p)
```
    Description copied from interface: Shape3D
    
    Gets the distance of the shape to the given point, or the distance of point to the frontier of the shape in the case of a plain shape.
    
    Specified by:
    
    getDistance in interface Shape3D
  - transform
```
public StraightLine3D transform(AffineTransform3D trans)
```
    Description copied from interface: Curve3D
    
    Transforms the curve by an affine transform. The result is an instance of Curve3D.
    
    Specified by:
    
    transform in interface Curve3D
    
    Specified by:
    
    transform in interface Shape3D
  - getFirstPoint
```
public Point3D getFirstPoint()
```
    Description copied from interface: Curve3D
    
    Get the first point of the curve. It must returns the same result as getPoint(getT0()).
    
    Specified by:
    
    getFirstPoint in interface Curve3D
    
    Returns:
    the first point of the curve
  - getLastPoint
```
public Point3D getLastPoint()
```
    Description copied from interface: Curve3D
    
    Get the last point of the curve. It must returns the same result as getPoint(getT1()).
    
    Specified by:
    
    getLastPoint in interface Curve3D
    
    Returns:
    the last point of the curve.
  - getPoint
```
public Point3D getPoint(double t)
```
    Description copied from interface: Curve3D
    
    Gets the point from a parametric representation of the curve. If the parameter lies outside the definition range, the parameter corresponding to the closest bound is used instead. This method can be used to draw an approximated outline of a curve, by selecting multiple values for t and drawing lines between them.
    
    Specified by:
    
    getPoint in interface Curve3D
  - getPoint
```
public Point3D getPoint(double t,
               Point3D point)
```
    Description copied from interface: Curve3D
    
    Same as getPoint(t), but gives the point as a parameter. This avoids repetitive memory allocations.
    
    Specified by:
    
    getPoint in interface Curve3D
  - getPosition
```
public double getPosition(Point3D point)
```
    Description copied from interface: Curve3D
    
    Get position of the point on the curve. If the point does not belong to the curve, return Double.NaN.
    
    Specified by:
    
    getPosition in interface Curve3D
    
    Parameters:
    point - a point belonging to the curve
    
    Returns:
    the position of the point on the curve
  - getReverseCurve
```
public StraightLine3D getReverseCurve()
```
    Description copied from interface: Curve3D
    
    Returns the curve with same trace on the plane with parametrization in reverse order.
    
    Specified by:
    
    getReverseCurve in interface Curve3D
  - getSingularPoints
```
public Collection<Point3D> getSingularPoints()
```
    Returns an empty array of Point3D.
    
    Specified by:
    
    getSingularPoints in interface Curve3D
    
    Returns:
    a collection of Point3D.
  - getSubCurve
```
public Curve3D getSubCurve(double t0,
                  double t1)
```
    Description copied from interface: Curve3D
    
    Returns a portion of the original curve, delimited by two positions on the curve.
    
    Specified by:
    
    getSubCurve in interface Curve3D
    
    Parameters:
    t0 - position of the start of the sub-curve
    t1 - position of the end of the sub-curve
    
    Returns:
    the portion of original curve comprised between t0 and t1.
  - getT0
```
public double getT0()
```
    Returns -INFINITY;
    
    Specified by:
    
    getT0 in interface Curve3D
  - getT1
```
public double getT1()
```
    Returns +INFINITY;
    
    Specified by:
    
    getT1 in interface Curve3D
  - project
```
public double project(Point3D point)
```
    Compute the position of the orthogonal projection of the given point on this line.
    
    Specified by:
    
    project in interface Curve3D
    
    Parameters:
    point - a point to project
    
    Returns:
    the position of the closest orthogonal projection
  - getContinuousCurves
```
public Collection<StraightLine3D> getContinuousCurves()
```
    Description copied from interface: Curve3D
    
    Returns the collection of continuous curves which constitute this curve.
    
    Specified by:
    
    getContinuousCurves in interface Curve3D
    
    Returns:
    a collection of continuous curves.

Class StraightLine3D

Nested Class Summary

Nested classes/interfaces inherited from interface math.geom3d.Shape3D

Field Summary

Fields inherited from interface math.geom3d.Shape3D

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

x0

y0

z0

dx

dy

dz

Constructor Detail

StraightLine3D

StraightLine3D

StraightLine3D

StraightLine3D

Method Detail

getOrigin

getExamplePoint1

getExamplePoint2

getDirection

project

projectPoint

clip

contains

isEmpty

isBounded

getBoundingBox

getDistance

transform

getFirstPoint

getLastPoint

getPoint

getPoint

getPosition

getReverseCurve

getSingularPoints

getSubCurve

getT0

getT1

project

getContinuousCurves