// label a moving particle macro
// author Ed Simmons (ed@esimagingsolutions.com)

title = getTitle();// store the title of the original window to enable us to switch back to it
run("Duplicate...", "title=temp duplicate range = 1-"+nSlices);
selectWindow("temp");
setThreshold(126, 255); // adjust to suit your object
run("Set Measurements...", "  centroid slice limit redirect=None decimal=0");
run("Analyze Particles...", "size=0-Infinity circularity=0.00-1.00 show=Nothing display clear in_situ stack"); // adjust the size and circularity to control what is found
// don't draw the label right on top of the particle, here is an offset in x and y
xoffset=5;
yoffset=10;

// select the original image window, it's time to draw some labels.
selectWindow(title);
for(result=1; result<nResults; result++) { //iterate over the results in the results table
   slice = getResult("Slice",result);
   x = getResult("X",result) + xoffset;
   y = getResult("Y",result) + yoffset;
   setSlice(slice); // select the right slice in the original image
   drawString("My magic floating label",x,y);
}

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