WorldCoordinateConverter.java
2.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/*
* $Id: WorldCoordinateConverter.java,v 1.2 2009/04/21 13:31:17 abrighto Exp $
*/
package jsky.coords;
import java.awt.geom.Point2D;
import javax.swing.event.ChangeListener;
/**
* This defines the interface for converting between image and world coordinates.
*
* @version $Revision: 1.2 $
* @author Allan Brighton
*/
public abstract interface WorldCoordinateConverter {
/**
* Return true if world coordinates conversion is available. This method
* should be called to check before calling any of the world coordinates
* conversion methods.
*/
public boolean isWCS();
/** Return the equinox used for coordinates (usually the equionx of the image) */
public double getEquinox();
/**
* Convert the given image coordinates to world coordinates degrees in the equinox
* of the current image.
*
* @param p The point to convert.
* @param isDistance True if p should be interpreted as a distance instead
* of a point.
*/
public void imageToWorldCoords(Point2D.Double p, boolean isDistance);
/**
* Convert the given world coordinates (degrees, in the equinox of the current image)
* to image coordinates.
*
* @param p The point to convert.
* @param isDistance True if p should be interpreted as a distance instead
* of a point.
*/
public void worldToImageCoords(Point2D.Double p, boolean isDistance);
/** Return the center RA,Dec coordinates in degrees. */
public Point2D.Double getWCSCenter();
/** Set the center RA,Dec coordinates in degrees. */
//public void setWCSCenter(Point2D.Double p);
/** return the width in deg */
public double getWidthInDeg();
/** return the height in deg */
public double getHeightInDeg();
/** Return the image center coordinates in pixels (image coordinates). */
public Point2D.Double getImageCenter();
/** Return the image width in pixels. */
public double getWidth();
/** Return the image height in pixels. */
public double getHeight();
}