ROI in ROI?

Posted by flettster on May 04, 2011; 8:30am
URL: http://imagej.273.s1.nabble.com/ROI-in-ROI-tp3684702.html

I have two circular rois in the ROi manager. One is inside the other making a donut.

How can i make a single roi out of these 2 rois which represents the doh (excluding the hole)?

I am sure this is easy but i cannot get it to happen

Thanks in advance as always.

Andy