Re: Classifying ROIs in the RoiManager

Posted by Romain Guiet on
URL: http://imagej.273.s1.nabble.com/Classifying-ROIs-in-the-RoiManager-tp5012523p5012524.html

Hi Avital,

maybe you could use the macro functions :
Roi.getType : Returns, as a string, the type of the current selection.
Roi.setName(name)
roiManager(cmd), with cmd = "Sort", to sort your ROIs

more on : http://imagej.nih.gov/ij/developer/macro/functions.html#Top

I hope it will help you,

Cheers,

Romain


---------------------------------------------------------------
Dr. Romain Guiet
Bioimaging and Optics Platform (PT-BIOP)
Ecole Polytechnique Fédérale de Lausanne (EPFL)
Faculty of Life Sciences
Station 19, AI 0140
CH-1015 Lausanne

Phone: [+4121 69] 39629
http://biop.epfl.ch/
---------------------------------------------------------------

________________________________________
De : ImageJ Interest Group [[hidden email]] de la part de Avital Steinberg [[hidden email]]
Envoyé : dimanche 19 avril 2015 21:09
À : [hidden email]
Objet : Classifying ROIs in the RoiManager

Hi,
I would like to be able to choose ROIs belonging to a certain class from
the ROI manager in a macro. For example, I renamed the ROIs as triangle1,
triangle2, triangle3, circle1, circle2, rectangle1, rectangle2.

I would like to be able to add triangles and iterate over all the
triangles. I can sort the ROIs in the RoiManager, so that the ROIs of a
certain class will be in consecutive order.

However, in order to be able to choose only triangles, I would have to keep
track of how many triangles there are.

Is there an easier way to select (and iterate over) only ROIs of a certain
class (such as triangles or circles), without having to keep track of the
number of objects in each class and their order?

Thanks,
Avital

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