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Circle Tool                                                     

For Labeling circles or spheres, and measuring nearest neighbor distances.  (The Particle Cluster tool also givis this statistic.) Often images have circular objects to be measured, but it is difficult to segment the circles automatically.  This tool is a rapid manual circle tool measurer.






How the Nearest Neighbor distances are measured.


Each circle is paired with its nearest neighbor from the categories selected, making a list of paired circles.  Duplicate pairs are removed, eg.,  (circle 8, circle 10) is a duplicate of (circle 10, circle 8).  In other words the distance between any two circles is printed only once.