NullRegion (worldedit-core 7.2.0 API)

java.lang.Object
- com.sk89q.worldedit.regions.NullRegion

All Implemented Interfaces:

Region, java.lang.Cloneable, java.lang.Iterable<BlockVector3>
```
public class NullRegion
extends java.lang.Object
implements Region
```
A region that contains no points.

Constructor Summary

Constructors
Constructor and Description

NullRegion()

Constructors
Constructor and Description
`NullRegion()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`NullRegion`	`clone()` Make a clone of the region.
`boolean`	`contains(BlockVector3 position)` Returns true based on whether the region contains the point.
`void`	`contract(BlockVector3... changes)` Contract the region.
`void`	`expand(BlockVector3... changes)` Expand the region.
`Vector3`	`getCenter()` Get the center point of a region.
`java.util.Set<BlockVector3>`	`getChunkCubes()` Return a list of 161616 chunks in a region.
`java.util.Set<BlockVector2>`	`getChunks()` Get a list of chunks.
`int`	`getHeight()` Get Y-size.
`int`	`getLength()` Get Z-size.
`BlockVector3`	`getMaximumPoint()` Get the upper point of a region.
`BlockVector3`	`getMinimumPoint()` Get the lower point of a region.
`long`	`getVolume()` Get the number of blocks in the region.
`int`	`getWidth()` Get X-size.
`World`	`getWorld()` Sets the world that the selection is in.
`java.util.Iterator<BlockVector3>`	`iterator()`
`java.util.List<BlockVector2>`	`polygonize(int maxPoints)` Polygonizes a cross-section or a 2D projection of the region orthogonal to the Y axis.
`void`	`setWorld(World world)` Sets the world that the selection is in.
`void`	`shift(BlockVector3 change)` Shift the region.

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

Methods inherited from interface com.sk89q.worldedit.regions.Region
getArea, getBoundingBox

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Constructor Detail
  - NullRegion
```
public NullRegion()
```
- Method Detail
  - getMinimumPoint
```
public BlockVector3 getMinimumPoint()
```
    Description copied from interface: Region
    
    Get the lower point of a region.
    
    Specified by:
    
    getMinimumPoint in interface Region
    
    Returns:
    
    min. point
  - getMaximumPoint
```
public BlockVector3 getMaximumPoint()
```
    Description copied from interface: Region
    
    Get the upper point of a region.
    
    Specified by:
    
    getMaximumPoint in interface Region
    
    Returns:
    
    max. point
  - getCenter
```
public Vector3 getCenter()
```
    Description copied from interface: Region
    
    Get the center point of a region. Note: Coordinates will not be integers if the corresponding lengths are even.
    
    Specified by:
    
    getCenter in interface Region
    
    Returns:
    
    center point
  - getVolume
```
public long getVolume()
```
    Description copied from interface: Region
    
    Get the number of blocks in the region.
    
    Specified by:
    
    getVolume in interface Region
    
    Returns:
    
    number of blocks
  - getWidth
```
public int getWidth()
```
    Description copied from interface: Region
    
    Get X-size.
    
    Specified by:
    
    getWidth in interface Region
    
    Returns:
    
    width
  - getHeight
```
public int getHeight()
```
    Description copied from interface: Region
    
    Get Y-size.
    
    Specified by:
    
    getHeight in interface Region
    
    Returns:
    
    height
  - getLength
```
public int getLength()
```
    Description copied from interface: Region
    
    Get Z-size.
    
    Specified by:
    
    getLength in interface Region
    
    Returns:
    
    length
  - expand
```
public void expand(BlockVector3... changes)
            throws RegionOperationException
```
    Description copied from interface: Region
    
    Expand the region.
    
    Specified by:
    
    expand in interface Region
    
    Parameters:
    
    changes - array/arguments with multiple related changes
    
    Throws:
    
    RegionOperationException - if the operation cannot be performed
  - contract
```
public void contract(BlockVector3... changes)
              throws RegionOperationException
```
    Description copied from interface: Region
    
    Contract the region.
    
    Specified by:
    
    contract in interface Region
    
    Parameters:
    
    changes - array/arguments with multiple related changes
    
    Throws:
    
    RegionOperationException - if the operation cannot be performed
  - shift
```
public void shift(BlockVector3 change)
           throws RegionOperationException
```
    Description copied from interface: Region
    
    Shift the region.
    
    Specified by:
    
    shift in interface Region
    
    Parameters:
    
    change - the change
    
    Throws:
    
    RegionOperationException - if the operation cannot be performed
  - contains
```
public boolean contains(BlockVector3 position)
```
    Description copied from interface: Region
    
    Returns true based on whether the region contains the point.
    
    Specified by:
    
    contains in interface Region
    
    Parameters:
    
    position - the position
    
    Returns:
    
    true if contained
  - getChunks
```
public java.util.Set<BlockVector2> getChunks()
```
    Description copied from interface: Region
    
    Get a list of chunks.
    
    Specified by:
    
    getChunks in interface Region
    
    Returns:
    
    a list of chunk coordinates
  - getChunkCubes
```
public java.util.Set<BlockVector3> getChunkCubes()
```
    Description copied from interface: Region
    
    Return a list of 16*16*16 chunks in a region.
    
    Specified by:
    
    getChunkCubes in interface Region
    
    Returns:
    
    the chunk cubes this region overlaps with
  - getWorld
```
public World getWorld()
```
    Description copied from interface: Region
    
    Sets the world that the selection is in.
    
    Specified by:
    
    getWorld in interface Region
    
    Returns:
    
    the world, or null
  - setWorld
```
public void setWorld(World world)
```
    Description copied from interface: Region
    
    Sets the world that the selection is in.
    
    Specified by:
    
    setWorld in interface Region
    
    Parameters:
    
    world - the world, which may be null
  - clone
```
public NullRegion clone()
```
    Description copied from interface: Region
    
    Make a clone of the region.
    
    Specified by:
    
    clone in interface Region
    
    Overrides:
    
    clone in class java.lang.Object
    
    Returns:
    
    a cloned version
  - polygonize
```
public java.util.List<BlockVector2> polygonize(int maxPoints)
```
    Description copied from interface: Region
    
    Polygonizes a cross-section or a 2D projection of the region orthogonal to the Y axis.
    
    Specified by:
    
    polygonize in interface Region
    
    Parameters:
    
    maxPoints - maximum number of points to generate. -1 for no limit.
    
    Returns:
    
    the points.
  - iterator
```
public java.util.Iterator<BlockVector3> iterator()
```
    Specified by:
    
    iterator in interface java.lang.Iterable<BlockVector3>

Class NullRegion

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface com.sk89q.worldedit.regions.Region

Methods inherited from interface java.lang.Iterable

Constructor Detail

NullRegion

Method Detail

getMinimumPoint

getMaximumPoint

getCenter

getVolume

getWidth

getHeight

getLength

expand

contract

shift

contains

getChunks

getChunkCubes

getWorld

setWorld

clone

polygonize

iterator