LayerId (Starjava TOPCAT API)

java.lang.Object
- uk.ac.starlink.topcat.plot2.LayerId

```
@Equality
public class LayerId
extends java.lang.Object
```
Identifier object for PlotLayers. Two plot layers which have equal LayerIds will produce the same plotting results.

Since:

10 Dec 2014

Author:

Mark Taylor

Constructor Summary

Constructors
Constructor	Description
`LayerId(uk.ac.starlink.ttools.plot2.Plotter plotter, uk.ac.starlink.ttools.plot2.data.DataSpec dataSpec, uk.ac.starlink.ttools.plot2.DataGeom dataGeom, uk.ac.starlink.ttools.plot.Style style)`	Constructor.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static LayerId`	`createLayerId(uk.ac.starlink.ttools.plot2.PlotLayer layer)`	Returns a layerId characterising a given plot layer.
`boolean`	`equals(java.lang.Object o)`
`uk.ac.starlink.ttools.plot2.DataGeom`	`getDataGeom()`	Returns the data geom.
`uk.ac.starlink.ttools.plot2.data.DataSpec`	`getDataSpec()`	Returns the data spec.
`uk.ac.starlink.ttools.plot2.Plotter`	`getPlotter()`	Returns the plotter.
`uk.ac.starlink.ttools.plot.Style`	`getStyle()`	Returns the style.
`int`	`hashCode()`

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

Constructor Detail

LayerId

public LayerId(uk.ac.starlink.ttools.plot2.Plotter plotter,
               uk.ac.starlink.ttools.plot2.data.DataSpec dataSpec,
               uk.ac.starlink.ttools.plot2.DataGeom dataGeom,
               uk.ac.starlink.ttools.plot.Style style)

Constructor.

Parameters:: plotter - plotter; dataSpec - data specification; dataGeom - mapping to graphics space; style - layer style

Method Detail

getPlotter

public uk.ac.starlink.ttools.plot2.Plotter getPlotter()

Returns the plotter.

Returns:: plotter

getDataSpec

public uk.ac.starlink.ttools.plot2.data.DataSpec getDataSpec()

Returns the data spec.

Returns:: dataSpec

getDataGeom

public uk.ac.starlink.ttools.plot2.DataGeom getDataGeom()

Returns the data geom.

Returns:: dataGeom

getStyle

public uk.ac.starlink.ttools.plot.Style getStyle()

Returns the style.

Returns:: style

hashCode
```
public int hashCode()
```
Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:: equals in class java.lang.Object

createLayerId
```
public static LayerId createLayerId(uk.ac.starlink.ttools.plot2.PlotLayer layer)
```
Returns a layerId characterising a given plot layer.

Parameters:

layer -

Returns:

layer id

Class LayerId

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

LayerId

Method Detail

getPlotter

getDataSpec

getDataGeom

getStyle

hashCode

equals

createLayerId