measure diameter (tickhness) from binairy picture

[muks]

I suppose you mean a user prompt for image selection. You can use a file dialog for this.

[Chantal]

Thank you!

Now my program is ready to use 😄

It's not so accurate as I wanted it to be 🙂

but that wil do,

For everybody who helped me

Thanks!!

Chantal

[muks]

And dont forget to mark the post that helped as the solution!!!

[alblu]

Could you share your solution how to analyze it? Vi is prefer,tks