ChannelSelection (Geotools modules 31-SNAPSHOT API)

All Known Implementing Classes:

ChannelSelectionImpl
```
public interface ChannelSelection
```
The ChannelSelection element specifies the false-color channel selection for a multi-spectral raster source (such as a multi-band satellite-imagery source).

Since:

GeoAPI 2.2

Author:

Open Geospatial Consortium, Ian Turton, CCG, Johann Sorel (Geomatys)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`accept(StyleVisitor visitor)`
`Object`	`accept(TraversingStyleVisitor visitor, Object extraData)`	calls the visit method of a StyleVisitor
`SelectedChannelType`	`getGrayChannel()`	Get the gray channel to be used
`SelectedChannelType[]`	`getRGBChannels()`	get the RGB channels to be used
`void`	`setGrayChannel(SelectedChannelType gray)`	Set the gray channel to be used
`void`	`setRGBChannels(SelectedChannelType... channels)`	Set the RGB channels to be used
`void`	`setRGBChannels(SelectedChannelType red, SelectedChannelType green, SelectedChannelType blue)`	Set the RGB channels to be used

- Method Detail
  - setRGBChannels
```
void setRGBChannels(SelectedChannelType red,
                    SelectedChannelType green,
                    SelectedChannelType blue)
```
    Set the RGB channels to be used
    
    Parameters:
    
    red - the red channel
    
    green - the green channel
    
    blue - the blue channel
  - setRGBChannels
```
void setRGBChannels(SelectedChannelType... channels)
```
    Set the RGB channels to be used
    
    Parameters:
    
    channels - array of channels in RGB order
  - getRGBChannels
```
SelectedChannelType[] getRGBChannels()
```
    get the RGB channels to be used
    
    Returns:
    
    array of channels in RGB order
  - setGrayChannel
```
void setGrayChannel(SelectedChannelType gray)
```
    Set the gray channel to be used
    
    Parameters:
    
    gray - the gray channel
  - getGrayChannel
```
SelectedChannelType getGrayChannel()
```
    Get the gray channel to be used
    
    Returns:
    
    the gray channel
  - accept
```
Object accept(TraversingStyleVisitor visitor,
              Object extraData)
```
    calls the visit method of a StyleVisitor
    
    Parameters:
    
    visitor - the style visitor
  - accept
```
void accept(StyleVisitor visitor)
```