// This macro measures the pixels along // the edge of an area selection. title = getTitle(); title = "'" + title + "'"; // add single quotes run("Create Mask"); selectWindow("Mask"); run("Outline"); run("Image Calculator...", "image1=Mask operation=AND image2="+title); setThreshold(1, 255); run("Set Measurements...", "area mean limit redirect=None decimal=2"); run("Measure"); run("Close");