if (roi==null && imp!=null) roi = imp.getRoi();
ResultsTable rt2 = new ResultsTable();
Analyzer analyzer = new Analyzer(imp, measurements, rt2);
ImageProcessor ip = new ByteProcessor(1, 1);
ImageStatistics stats = new ByteStatistics(ip, measurements, null);
analyzer.saveResults(stats, roi);
//IJ.log(rt2.getColumnHeadings());
int last = rt2.getLastColumn();
//IJ.log("update1: "+last+" "+getMaxColumns());
while (last+1>=getMaxColumns()) {
addColumns();