Legacy ImageMagick Discussions Archive

Hello,

I have a question

There are 10 black circles in the image. I want to get the center of the black circle and make a circle of random number.
It seems possible using image magic.

Thanks for best regards

Please show a sample input image. You can upload to somewhere like dropbox.com and paste the URL here.

Please state the version number of IM you use, and your platform.

If you have a black circle on a white background, "-morphology distance" can find the centre.

So can -connected-components.

Good point, Fred, thanks. Connected-components is far simpler, as it directly gives the centroid of the component, which is the centre of the circle.

Thank you for your interest.

I will create a sample image and share it through google drive.

Thanks for your best regards