An ImageJ macro for movie annotation, that overlays customisable reticles at each multipoint point, one per slice

overlay_crosses_eduardo.ijm

Overlay.remove;
n = roiManager('count');

for (i=0; i<n; i++) {
	roiManager('select', i);
	getSelectionCoordinates(x,y);
	addCross(9,12,1,'green');
}

Overlay.show;
run ("Select None");
exit();

// id: inner diameter
// od: outer diameter
// w: line width
// col: color

function addCross(id,od,w,col) {
	addTick(0,0,id,od,w,col);
	addTick(0,0,-1*id,-1*od,w,col);
	addTick(id,od,0,0,w,col);
	addTick(-1*id,-1*od,0,0,w,col);
}

function addTick(x0,x1,y0,y1,w,col) {
	makeLine(x[0]+x0,y[0]+y0,x[0]+x1,y[0]+y1);
	run("Add Selection...", "stroke=&col width=&w");
	Overlay.setPosition(i+1);
}