Iterate_Over_ROI_Get_RGB

//Created by Johnny Gan 
//Tested on ImageJ version 1.53g
//For https://www.reddit.com/r/ImageJ/comments/nsex5g/how_to_measure_average_rgb_values_for_all/

nROI = roiManager("count");
roiManager("deselect");
row = nResults;
rgb_arr = newArray("Red","Green","Blue");
for (i = 0; i < nROI; i++) {
	roiManager("select", i);
	run("Measure");
}
run("Select None");
run("Duplicate...", "title=RGB");
run("RGB Stack");

for (i = 0; i < nROI; i++) {
	roiManager("select", i);
	for (sli = 1; sli <= 3; sli++) {
		
		setSlice(sli);
		getStatistics(area,mean , min, max, std, histogram);
		setResult(rgb_arr[sli-1], row+i, mean);
		
	}

}

close("RGB");