/**
* Execute plugin functionality: stack FFT with window function, max projection over all slices
* (phase, Z angle), blank out central 1/8 circle (set to min value), display min-max.
*/
public ResultSet exec(ImagePlus... imps) {
ImagePlus imp = imps[0];
Util_StackFFT2D stackFFT2D = new Util_StackFFT2D();
stackFFT2D.resultTypeChoice = Util_StackFFT2D.resultType[1];
ImagePlus impF = stackFFT2D.exec(imp);
IJ.run(impF, "Z Project...", "projection=[Max Intensity]");
ImagePlus impProjF = ij.WindowManager.getCurrentImage();
maskCentralRegion(impProjF);
if (impProjF.isComposite()) {
// display grayscale, not colored composite
CompositeImage ci = (CompositeImage) impProjF;
ci.setMode(IJ.GRAYSCALE);
impProjF.updateAndDraw();
}
displayMinToMax(impProjF);
impProjF.setTitle(I1l.makeTitle(imps[0], TLA));
String shortInfo =
"Maximum intensity projection of log"
+ " (amplitude^2) 2D FFT stack, central region masked,"
+ " rescaled (min-max) to improve contrast of the relevant"
+ " frequency range.";
results.addImp(shortInfo, impProjF);
results.addInfo(
"How to interpret",
"look for clean 1st & 2nd"
+ " order spots, similar across angles. Note that spot"
+ " intensity depends on image content.");
return results;
}
/**
* Copies the LUTs and display mode of 'imp' to this image. Does nothing if 'imp' is not a
* CompositeImage or 'imp' and this image do not have the same number of channels.
*/
public synchronized void copyLuts(ImagePlus imp) {
int channels = getNChannels();
if (!imp.isComposite() || imp.getNChannels() != channels) return;
CompositeImage ci = (CompositeImage) imp;
LUT[] luts = ci.getLuts();
if (luts != null && luts.length == channels) {
lut = luts;
cip = null;
}
int mode2 = ci.getMode();
setMode(mode2);
if (mode2 == COMPOSITE) {
boolean[] active2 = ci.getActiveChannels();
for (int i = 0; i < MAX_CHANNELS; i++) active[i] = active2[i];
}
if (ci.hasCustomLuts()) customLuts = true;
}
public void reset() {
int nChannels = getNChannels();
if (nChannels > MAX_CHANNELS && getMode() == COMPOSITE) setMode(COLOR);
setup(nChannels, getImageStack());
}
public void itemStateChanged(ItemEvent e) {
ImagePlus imp = WindowManager.getCurrentImage();
if (imp == null) return;
if (!imp.isComposite()) {
int channels = imp.getNChannels();
if (channels == 1 && imp.getStackSize() <= 4) channels = imp.getStackSize();
if (imp.getBitDepth() == 24 || (channels > 1 && channels < CompositeImage.MAX_CHANNELS)) {
GenericDialog gd = new GenericDialog(imp.getTitle());
gd.addMessage("Convert to multi-channel composite image?");
gd.showDialog();
if (gd.wasCanceled()) return;
else IJ.doCommand("Make Composite");
} else {
IJ.error(
"Channels",
"A composite image is required (e.g., "
+ moreLabel
+ " Open HeLa Cells),\nor create one using "
+ moreLabel
+ " Make Composite.");
return;
}
}
if (!imp.isComposite()) return;
CompositeImage ci = (CompositeImage) imp;
Object source = e.getSource();
if (source == choice) {
int index = ((Choice) source).getSelectedIndex();
switch (index) {
case 0:
ci.setMode(IJ.COMPOSITE);
break;
case 1:
ci.setMode(IJ.COLOR);
break;
case 2:
ci.setMode(IJ.GRAYSCALE);
break;
}
ci.updateAndDraw();
if (Recorder.record) {
String mode = null;
switch (index) {
case 0:
mode = "composite";
break;
case 1:
mode = "color";
break;
case 2:
mode = "grayscale";
break;
}
Recorder.record("Stack.setDisplayMode", mode);
}
} else if (source instanceof Checkbox) {
for (int i = 0; i < checkbox.length; i++) {
Checkbox cb = (Checkbox) source;
if (cb == checkbox[i]) {
if (ci.getMode() == IJ.COMPOSITE) {
boolean[] active = ci.getActiveChannels();
active[i] = cb.getState();
if (Recorder.record) {
String str = "";
for (int c = 0; c < ci.getNChannels(); c++) str += active[c] ? "1" : "0";
Recorder.record("Stack.setActiveChannels", str);
Recorder.record("//Stack.toggleChannel", imp.getChannel());
}
} else {
imp.setPosition(i + 1, imp.getSlice(), imp.getFrame());
if (Recorder.record) Recorder.record("Stack.setChannel", i + 1);
}
ci.updateAndDraw();
return;
}
}
}
}