private String displayRanges(ImagePlus imp) { LUT[] luts = imp.getLuts(); if (luts == null) return ""; String s = "Display ranges\n"; int n = luts.length; if (n > 7) n = 7; for (int i = 0; i < n; i++) { double min = luts[i].min; double max = luts[i].max; s += " " + (i + 1) + ": " + d2s(min) + "-" + d2s(max) + "\n"; } return s; }