public void splitRGB(ImagePlus imp) {
boolean keepSource = IJ.altKeyDown();
String title = imp.getTitle();
Calibration cal = imp.getCalibration();
int pos = imp.getCurrentSlice();
ImageStack[] channels = splitRGB(imp.getStack(), keepSource);
if (!keepSource) {
imp.unlock();
imp.changes = false;
imp.close();
}
ImagePlus rImp = new ImagePlus(title + " (red)", channels[0]);
rImp.setCalibration(cal);
rImp.show();
rImp.setSlice(pos);
if (IJ.isMacOSX()) IJ.wait(500);
ImagePlus gImp = new ImagePlus(title + " (green)", channels[1]);
gImp.setCalibration(cal);
gImp.show();
gImp.setSlice(pos);
if (IJ.isMacOSX()) IJ.wait(500);
ImagePlus bImp = new ImagePlus(title + " (blue)", channels[2]);
bImp.setCalibration(cal);
bImp.show();
bImp.setSlice(pos);
}
void checkForCalibrationConflict(ImagePlus imp, Calibration cal) {
Calibration gcal = imp.getGlobalCalibration();
if (gcal == null || !showConflictMessage || IJ.isMacro()) return;
if (cal.pixelWidth == gcal.pixelWidth && cal.getUnit().equals(gcal.getUnit())) return;
GenericDialog gd = new GenericDialog(imp.getTitle());
gd.addMessage("The calibration of this image conflicts\nwith the current global calibration.");
gd.addCheckbox("Disable_Global Calibration", true);
gd.addCheckbox("Disable_these Messages", false);
gd.showDialog();
if (gd.wasCanceled()) return;
boolean disable = gd.getNextBoolean();
if (disable) {
imp.setGlobalCalibration(null);
imp.setCalibration(cal);
WindowManager.repaintImageWindows();
}
boolean dontShow = gd.getNextBoolean();
if (dontShow) showConflictMessage = false;
}
/** Splits the specified image into separate channels. */
public static ImagePlus[] split(ImagePlus imp) {
if (imp.getType() == ImagePlus.COLOR_RGB) {
ImageStack[] stacks = splitRGB(imp.getStack(), true);
ImagePlus[] images = new ImagePlus[3];
images[0] = new ImagePlus("red", stacks[0]);
images[1] = new ImagePlus("green", stacks[1]);
images[2] = new ImagePlus("blue", stacks[2]);
return images;
}
int width = imp.getWidth();
int height = imp.getHeight();
int channels = imp.getNChannels();
int slices = imp.getNSlices();
int frames = imp.getNFrames();
int bitDepth = imp.getBitDepth();
int size = slices * frames;
Vector images = new Vector();
HyperStackReducer reducer = new HyperStackReducer(imp);
for (int c = 1; c <= channels; c++) {
ImageStack stack2 = new ImageStack(width, height, size); // create empty stack
stack2.setPixels(
imp.getProcessor().getPixels(), 1); // can't create ImagePlus will null 1st image
ImagePlus imp2 = new ImagePlus("C" + c + "-" + imp.getTitle(), stack2);
stack2.setPixels(null, 1);
imp.setPosition(c, 1, 1);
imp2.setDimensions(1, slices, frames);
imp2.setCalibration(imp.getCalibration());
reducer.reduce(imp2);
if (imp.isComposite() && ((CompositeImage) imp).getMode() == IJ.GRAYSCALE)
IJ.run(imp2, "Grays", "");
if (imp2.getNDimensions() > 3) imp2.setOpenAsHyperStack(true);
images.add(imp2);
}
ImagePlus[] array = new ImagePlus[images.size()];
return (ImagePlus[]) images.toArray(array);
}
public void run(String arg) {
imp = IJ.getImage();
int stackSize = imp.getStackSize();
if (imp == null) {
IJ.noImage();
return;
}
// Make sure input image is a stack.
if (stackSize == 1) {
IJ.error("Z Project", "Stack required");
return;
}
// Check for inverting LUT.
if (imp.getProcessor().isInvertedLut()) {
if (!IJ.showMessageWithCancel("ZProjection", lutMessage)) return;
}
// Set default bounds.
int channels = imp.getNChannels();
int frames = imp.getNFrames();
int slices = imp.getNSlices();
isHyperstack =
imp.isHyperStack()
|| (ij.macro.Interpreter.isBatchMode()
&& ((frames > 1 && frames < stackSize) || (slices > 1 && slices < stackSize)));
boolean simpleComposite = channels == stackSize;
if (simpleComposite) isHyperstack = false;
startSlice = 1;
if (isHyperstack) {
int nSlices = imp.getNSlices();
if (nSlices > 1) stopSlice = nSlices;
else stopSlice = imp.getNFrames();
} else stopSlice = stackSize;
// Build control dialog
GenericDialog gd = buildControlDialog(startSlice, stopSlice);
gd.showDialog();
if (gd.wasCanceled()) return;
if (!imp.lock()) return; // exit if in use
long tstart = System.currentTimeMillis();
setStartSlice((int) gd.getNextNumber());
setStopSlice((int) gd.getNextNumber());
method = gd.getNextChoiceIndex();
Prefs.set(METHOD_KEY, method);
if (isHyperstack) {
allTimeFrames = imp.getNFrames() > 1 && imp.getNSlices() > 1 ? gd.getNextBoolean() : false;
doHyperStackProjection(allTimeFrames);
} else if (imp.getType() == ImagePlus.COLOR_RGB) doRGBProjection(true);
else doProjection(true);
if (arg.equals("") && projImage != null) {
long tstop = System.currentTimeMillis();
projImage.setCalibration(imp.getCalibration());
if (simpleComposite) IJ.run(projImage, "Grays", "");
projImage.show("ZProjector: " + IJ.d2s((tstop - tstart) / 1000.0, 2) + " seconds");
}
imp.unlock();
IJ.register(ZProjector.class);
return;
}
