ImageStack getRGBStack(ImagePlus imp) {
ImageProcessor ip = imp.getProcessor();
int w = ip.getWidth();
int h = ip.getHeight();
int size = w * h;
byte[] r = new byte[size];
byte[] g = new byte[size];
byte[] b = new byte[size];
((ColorProcessor) ip).getRGB(r, g, b);
ImageStack stack = new ImageStack(w, h);
stack.addSlice("Red", r);
stack.addSlice("Green", g);
stack.addSlice("Blue", b);
stack.setColorModel(ip.getDefaultColorModel());
return stack;
}
