Method setLut

ij/src/main/java/ij/macro/Functions.java:2138–2164

()

	}

	void setLut() {
		double[] reds = getFirstArray();
		double[] greens = getNextArray();
		double[] blues = getLastArray();
		int length = reds.length;
		if (greens.length!=length || blues.length!=length)
			interp.error("Arrays are not the same length");
		ImagePlus imp = getImage();
		if (imp.getBitDepth()==24)
			interp.error("Non-RGB image expected");
		ImageProcessor ip = getProcessor();
		byte[] r = new byte[length];
		byte[] g = new byte[length];
		byte[] b = new byte[length];
		for (int i=0; i<length; i++) {
			r[i] = (byte)reds[i];
			g[i] = (byte)greens[i];
			b[i] = (byte)blues[i];
		}
		LUT lut = new LUT(8, length, r, g, b);
		if (imp.isComposite())
			((CompositeImage)imp).setChannelLut(lut);
		else
			ip.setColorModel(lut);
		imp.updateAndDraw();
		updateNeeded = false;
	}

	void getThreshold() {
		Variable lower = getFirstVariable();