Method getPosition

ij/src/main/java/ij/macro/Functions.java:5770–5782

(ImagePlus imp)

	}

	void getPosition(ImagePlus imp) {
		Variable channel = getFirstVariable();
		Variable slice = getNextVariable();
		Variable frame = getLastVariable();
		int c = imp.getChannel();
		int z = imp.getSlice();
		int t = imp.getFrame();
		if (c*z*t>imp.getStackSize())
			{c=1; z=imp.getCurrentSlice(); t=1;}
		channel.setValue(c);
		slice.setValue(z);
		frame.setValue(t);
	}

	void setPosition(ImagePlus img) {
		int channel = (int)getFirstArg();