Method zScale

ij/src/main/java/ij/plugin/Resizer.java:222–256

(ImagePlus imp, int newDepth, int interpolationMethod)

	}

	public ImagePlus zScale(ImagePlus imp, int newDepth, int interpolationMethod) {
		ImagePlus imp2 = null;
		if (imp.isHyperStack())
			imp2 = zScaleHyperstack(imp, newDepth, interpolationMethod);
		else {
			boolean inPlace = (interpolationMethod&IN_PLACE)!=0;
			interpolationMethod = interpolationMethod&15;
			int stackSize = imp.getStackSize();
			int bitDepth = imp.getBitDepth();
			imp2 = resizeZ(imp, newDepth, interpolationMethod);
			if (imp2==null)
				return null;
			double min = imp.getDisplayRangeMin();
			double max = imp.getDisplayRangeMax();
			imp2.setDisplayRange(min, max);
		}
		if (imp2==null)
			return null;
		if (imp2!=imp) {
			if (imp.isComposite()) {
				imp2 = new CompositeImage(imp2, ((CompositeImage)imp).getMode());
				((CompositeImage)imp2).copyLuts(imp);
			} else
				imp2.setLut(imp.getProcessor().getLut());
		}
		imp2.setCalibration(imp.getCalibration());
		Calibration cal = imp2.getCalibration();
		if (cal.scaled()) cal.pixelDepth *= (double)imp.getNSlices()/imp2.getNSlices();
		Object info = imp.getProperty("Info");
		if (info!=null) imp2.setProperty("Info", info);
		imp2.setProperties(imp.getPropertiesAsArray());
		if (imp.isHyperStack())
			imp2.setOpenAsHyperStack(imp.isHyperStack());
		return imp2;
	}

	private ImagePlus zScaleHyperstack(ImagePlus imp, int depth2, int interpolationMethod) {
		boolean inPlace = (interpolationMethod&IN_PLACE)!=0;