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Finding area of a triangle shape within a complex image of a single color

Posted by Burinok on Jul 20, 2013; 7:58pm
URL: http://imagej.273.s1.nabble.com/Finding-area-of-a-triangle-shape-within-a-complex-image-of-a-single-color-tp5004059.html

Hello All,
   I have been searching for a way to find the area of a piece of an object in imageJ. Unfortunately, there is no contrast difference to be used. I attach an example that I drew up in powerpoint here. The goal would be to find the area of the triangle on the left. I have not come across any solutions that could do it if the object was all of a single color. Does anyone have any suggestions?
Thanks,
Tony

test image