XYZoomRegion (Starjava TOPCAT API)

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

```
public abstract class XYZoomRegion
extends ZoomRegion
```
ZoomRegion for zooming in two dimensions (X-Y). A drag in both positive graphics coordinate directions (down and right) is a zoom in (magnifying), and a drag in both negative directions (up and left) is a zoom out.

Since:

28 Mar 2006

Author:

Mark Taylor

See Also:

Zoomer

Constructor Summary

Constructors
Constructor and Description

XYZoomRegion(java.awt.Rectangle display)
Constructs a new XY zoom region.

Method Summary

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

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

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

- Constructor Detail
  - XYZoomRegion
```
public XYZoomRegion(java.awt.Rectangle display)
```
    Constructs a new XY zoom region.
    
    Parameters:
    
    display - rectangle defining the region for both dragging and visual feedback
- 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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Copyright ? 2003-2017 CCLRC: Council for the Central Laboratory of the Research Councils. All Rights Reserved.