Point3D (Starjava TTOOLS API)

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java.lang.Object
- uk.ac.starlink.ttools.plot.Point3D

```
public class Point3D
extends java.lang.Object
```
Object which represents a point to be plotted on a PlotVolume. This class handles only object comparison; it will have to be subclassed to contain some more information before it can do anything much useful.

Since:

26 Mar 2007

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor Description

Point3D(int iseq, double z)
Constructs a new Point3D.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static java.util.Comparator<Point3D>`	`getComparator(boolean zAscending, boolean seqAscending)`	Returns a comparator which can be used to sort Point3D objects.
`double`	`getZ()`	Returns the Z coordinate.

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

- Constructor Detail
  - Point3D
```
public Point3D(int iseq,
               double z)
```
    Constructs a new Point3D.
    
    Parameters:
    
    iseq - sequence value, used as a tie-breaker for comparisons
    
    z - Z coordinate, used for sorting
- Method Detail
  - getZ
```
public double getZ()
```
    Returns the Z coordinate.
    
    Returns:
    
    z
  - getComparator
```
public static java.util.Comparator<Point3D> getComparator(boolean zAscending,
                                                          boolean seqAscending)
```
    Returns a comparator which can be used to sort Point3D objects.
    
    Parameters:
    
    zAscending - true for ascending Z
    
    seqAscending - true for ascending sequence ID
    
    Returns:
    
    comparator

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