an ImageJ macro to make ROIs from image with labels

make_ROIs_from_labels.ijm

roiManager("reset");

getStatistics(area, mean, min, max, std, histogram);

for (i = 1; i <= max; i++) {
	setThreshold(i, i);
	run("Create Selection");
	Roi.setName(IJ.pad(i,6))
	roiManager("Add");
}