ControlCurve (HM Gears 0.10.7 API)

java.lang.Object
- org.hortonmachine.gears.utils.math.interpolation.splines.ControlCurve

Direct Known Subclasses:

Bezier, Bspline, NatCubic
```
public abstract class ControlCurve
extends Object
```
This class represents a curve defined by a sequence of control points

Author:

Tim Lambert (http://www.cse.unsw.edu.au/~lambert/), Andrea Antonello (www.hydrologis.com)

Field Summary

Fields
Modifier and Type Field Description

static int EPSILON

protected List<org.locationtech.jts.geom.Coordinate> pts

protected int selection

Constructor Summary

Constructors
Constructor Description

ControlCurve()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`addPoint(double x, double y)`	add a control point, return index of new control point
`abstract List<org.locationtech.jts.geom.Coordinate>`	`getInterpolated()`
`void`	`removePoint()`	remove selected control point
`int`	`selectPoint(double x, double y)`	return index of control point near to (x,y) or -1 if nothing near
`void`	`setPoint(double x, double y)`	set selected control point
`String`	`toString()`

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

Field Detail

EPSILON
```
public static final int EPSILON
```
See Also:

Constant Field Values

pts

protected List<org.locationtech.jts.geom.Coordinate> pts

selection
```
protected int selection
```

Constructor Detail
- ControlCurve
```
public ControlCurve()
```

Method Detail

selectPoint
```
public int selectPoint(double x,
                       double y)
```
return index of control point near to (x,y) or -1 if nothing near

addPoint

public double addPoint(double x,
                       double y)

add a control point, return index of new control point

setPoint

public void setPoint(double x,
                     double y)

set selected control point

removePoint
```
public void removePoint()
```
remove selected control point

getInterpolated

public abstract List<org.locationtech.jts.geom.Coordinate> getInterpolated()

toString
```
public String toString()
```
Overrides:

toString in class Object