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
72
73
74
75
76
77
78
79
80
81
82
83
|
package ij.plugin;
import ij.*;
import ij.gui.*;
import ij.measure.Calibration;
import java.awt.*;
/** This class implements the Process/FFT/Make Circular Selection command. */
public class CircularRoiMaker implements PlugIn, DialogListener {
private static double saveRadius;
private double xcenter, ycenter, radius;
private boolean bAbort;
private ImagePlus imp;
private Calibration cal;
public void run(String arg) {
imp = IJ.getImage();
cal = imp.getCalibration();
int width = imp.getWidth();
int height = imp.getHeight();
xcenter = width/2;
ycenter = height/2;
boolean macro = Macro.getOptions()!=null;
radius = !macro&&saveRadius!=0.0?saveRadius:width/4;
if (radius>width/2)
radius = width/2;
if (radius>height/2)
radius = height/2;
showDialog();
if (!macro)
saveRadius = radius;
}
private void showDialog() {
Roi roi = imp.getRoi();
drawRoi();
GenericDialog gd = new GenericDialog("Circular ROI");
gd.addSlider("Radius:", 0, imp.getWidth()/2, radius);
gd.addDialogListener(this);
gd.showDialog();
if (gd.wasCanceled()) {
if (roi==null)
imp.deleteRoi();
else // restore initial ROI when cancelled
imp.setRoi(roi);
}
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
radius = gd.getNextNumber();
if (gd.invalidNumber())
return false;
drawRoi();
return true;
}
private void drawRoi() {
double x = xcenter - radius;
double y = ycenter - radius;
Roi roi = new OvalRoi(x, y, radius*2.0, radius*2.0);
imp.setRoi(roi);
showRadius();
}
private void showRadius() {
String units = cal.getUnits();
String s = " radius = ";
if (imp.getProperty("FHT")!=null) {
int width = imp.getWidth();
if (radius<1.0)
s += "Infinity/c";
else if (cal.scaled())
s += IJ.d2s((width/radius)*cal.pixelWidth,2) + " " + units + "/c";
else
s += IJ.d2s(width/radius,2) + " p/c";
} else {
int digits = cal.pixelWidth==1.0?0:2;
s += IJ.d2s(radius*cal.pixelWidth,digits)+" "+units;
}
IJ.showStatus(s);
}
}
|
