AxisZoomRegion (Starjava TOPCAT API)

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java.lang.Object
- uk.ac.starlink.topcat.plot.ZoomRegion
- - uk.ac.starlink.topcat.plot.AxisZoomRegion

Direct Known Subclasses:

AuxLegendZoomRegion
```
public abstract class AxisZoomRegion
extends ZoomRegion
```
ZoomRegion for zooming in one dimension (X or Y). A drag in the positive graphics coordinate direction (left-to-right or up-to-down) is a zoom in (magnifying) and a drag in the opposite direction is a zoom out (er, parvifying?).

Since:

28 Mar 2006

Author:

Mark Taylor

See Also:

Zoomer

Constructor Summary

Constructors
Constructor	Description
`AxisZoomRegion(boolean isX)`	Constructs a new axis zoom region with no target and display regions.
`AxisZoomRegion(boolean isX, java.awt.Rectangle target, java.awt.Rectangle display)`	Constructs a new axis zoom region with defined target and display regions.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`ZoomDrag`	`createDrag(java.awt.Component comp, java.awt.Point start)`	Returns a new ZoomDrag object appropriate for this region.

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

Methods inherited from class uk.ac.starlink.topcat.plot.ZoomRegion
getCursor, getDisplay, getTarget, setCursor, setDisplay, setTarget, zoomed

- Constructor Detail
  - AxisZoomRegion
```
public AxisZoomRegion(boolean isX)
```
    Constructs a new axis zoom region with no target and display regions.
    
    Parameters:
    
    isX - true for X axis zooming, false for Y axis zooming
  - AxisZoomRegion
```
public AxisZoomRegion(boolean isX,
                      java.awt.Rectangle target,
                      java.awt.Rectangle display)
```
    Constructs a new axis zoom region with defined target and display regions.
    
    Parameters:
    
    isX - true for X axis zooming, false for Y axis zooming
    
    target - target region (region in which cursor is dragged)
    
    display - display region (region in which zoom box is shown)
- Method Detail
  - createDrag
```
public ZoomDrag createDrag(java.awt.Component comp,
                           java.awt.Point start)
```
    Description copied from class: ZoomRegion
    
    Returns a new ZoomDrag object appropriate for this region.
    
    Specified by:
    
    createDrag in class ZoomRegion
    
    Parameters:
    
    comp - component on which the drag is taking place
    
    start - start point for the drag
    
    Returns:
    
    new drag object

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