//parallel version without any progress reporting

//the path is valid for my space on the cluster
INFOLDER = "/storage/brno2/home/xulman/EXAMPLE/Fluo-C2DL-Huh7/01/"
OUTFOLDER = "/storage/brno2/home/xulman/EXAMPLE/Fluo-C2DL-Huh7/01_Fiji/"


//the main workhorse loop
workers = parGetSize();
for (i = parGetRank(); i < 30; i += workers) {
	segmentHuhData(i);
}


// ========= no change in the functionality in the rest of the macro =========
function segmentHuhData(i) { 
	print("worker #"+parGetRank()+" is working on part: "+i);
	load(i);

	setAutoThreshold("Default dark");
	setOption("BlackBackground", false);
	run("Convert to Mask");
	run("Invert LUT");
	run("Erode");
	run("Erode");
	run("Erode");
	run("Erode");
	run("Erode");
	
	save(i);
	close();
}



function load(i) {
	open(INFOLDER+"t"+padding(i,3)+".tif");
}


function save(i) { 
	saveAs("Tiff", OUTFOLDER+"seg"+padding(i,3)+".tif");
}


function padding(i, width) { 
	asStr = "000000000000000"+i;
	l = lengthOf(asStr);
	asStr = substring(asStr,l-width,l);
	return asStr;
}