java.lang.Object
- uk.ac.starlink.ttools.plot2.geom.TickSkyAxisLabeller

All Implemented Interfaces:

SkyAxisLabeller
```
public abstract class TickSkyAxisLabeller
extends java.lang.Object
implements SkyAxisLabeller
```
Partial SkyAxisLabeller implementation that labels axes with positioned numeric labels.

Since:

21 Feb 2013

Author:

Mark Taylor

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class TickSkyAxisLabeller.SkyTick
Aggregates a line label, graphics position and text anchor.

Field Summary

Fields
Modifier and Type Field Description

static Anchor X_ANCHOR

static Anchor Y_ANCHOR

Constructor Summary

Constructors
Constructor Description

TickSkyAxisLabeller(java.lang.String name, java.lang.String description)
Constructor.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract TickSkyAxisLabeller.SkyTick[]`	`calculateTicks(double[][][] lines, Caption[] labels, java.awt.Rectangle plotBounds)`	Returns a list of ticks for labelling lines produced by a GridLiner.
`AxisAnnotation`	`createAxisAnnotation(GridLiner gridLiner, Captioner captioner)`	Returns an axis annotation object for a given grid painter and captioner.
`static TickSkyAxisLabeller.SkyTick`	`createExternalTick(Caption label, double[][] line, java.awt.Rectangle bounds)`	Constructs a single tick that sits outside the plot bounding box for a given grid line.
`static TickSkyAxisLabeller.SkyTick`	`createInternalTick(Caption label, double[][] line)`	Constructs a single tick that sits inside the plot bounding box for a given grid line.
`java.lang.String`	`getLabellerDescription()`	Returns a description for this mode.
`java.lang.String`	`getLabellerName()`	Returns a name for this axis labelling mode.
`protected TickSkyAxisLabeller.SkyTick[]`	`removeOverlaps(TickSkyAxisLabeller.SkyTick[] ticks, Captioner captioner)`	Takes a list of ticks and removes some elements if they are so crowded together the labels overlap.

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

- Field Detail
  - X_ANCHOR
```
public static Anchor X_ANCHOR
```
  - Y_ANCHOR
```
public static Anchor Y_ANCHOR
```
- Constructor Detail
  - TickSkyAxisLabeller
```
public TickSkyAxisLabeller(java.lang.String name,
                           java.lang.String description)
```
    Constructor.
    
    Parameters:
    
    name - labeller name
    
    description - labeller description
- Method Detail
  - getLabellerName
```
public java.lang.String getLabellerName()
```
    Description copied from interface: SkyAxisLabeller
    
    Returns a name for this axis labelling mode.
    
    Specified by:
    
    getLabellerName in interface SkyAxisLabeller
    
    Returns:
    
    one-word name
  - getLabellerDescription
```
public java.lang.String getLabellerDescription()
```
    Description copied from interface: SkyAxisLabeller
    
    Returns a description for this mode.
    
    Specified by:
    
    getLabellerDescription in interface SkyAxisLabeller
    
    Returns:
    
    description
  - createAxisAnnotation
```
public AxisAnnotation createAxisAnnotation(GridLiner gridLiner,
                                           Captioner captioner)
```
    Description copied from interface: SkyAxisLabeller
    
    Returns an axis annotation object for a given grid painter and captioner.
    
    Specified by:
    
    createAxisAnnotation in interface SkyAxisLabeller
    
    Parameters:
    
    gridLiner - grid lines for a sky plot
    
    captioner - text renderer
    
    Returns:
    
    axis annotation
  - calculateTicks
```
protected abstract TickSkyAxisLabeller.SkyTick[] calculateTicks(double[][][] lines,
                                                                Caption[] labels,
                                                                java.awt.Rectangle plotBounds)
```
    Returns a list of ticks for labelling lines produced by a GridLiner.
    
    Parameters:
    
    lines - gridliner line point array
    
    labels - gridliner line label array
    
    plotBounds - extent of plot region in graphics coordinates
    
    See Also:
    
    GridLiner
  - removeOverlaps
```
protected TickSkyAxisLabeller.SkyTick[] removeOverlaps(TickSkyAxisLabeller.SkyTick[] ticks,
                                                       Captioner captioner)
```
    Takes a list of ticks and removes some elements if they are so crowded together the labels overlap.
    
    Parameters:
    
    ticks - input tick list
    
    captioner - text renderer
    
    Returns:
    
    output tick list, with some items removed if necessary
  - createExternalTick
```
public static TickSkyAxisLabeller.SkyTick createExternalTick(Caption label,
                                                             double[][] line,
                                                             java.awt.Rectangle bounds)
```
    Constructs a single tick that sits outside the plot bounding box for a given grid line.
    
    Parameters:
    
    label - tick text
    
    line - grid line coordinates - array of (x,y) arrays
    
    bounds - plot region bounds
  - createInternalTick
```
public static TickSkyAxisLabeller.SkyTick createInternalTick(Caption label,
                                                             double[][] line)
```
    Constructs a single tick that sits inside the plot bounding box for a given grid line.
    
    Parameters:
    
    label - tick text
    
    line - grid line coordinates - array of (x,y) arrays

Class TickSkyAxisLabeller

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

X_ANCHOR

Y_ANCHOR

Constructor Detail

TickSkyAxisLabeller

Method Detail

getLabellerName

getLabellerDescription

createAxisAnnotation

calculateTicks

removeOverlaps

createExternalTick

createInternalTick