Dear all,

I'm measuring cross-section SEM images of some particles and doing 2D surface outline (some irregular polygons) analysis with the help of MIPAR. It is quite a powerful and helpful tool. I do appreciate your effort and work. There is still something not clear for me, and I'm still exploring to make full use of MIPAR.

My first question is, if I choose two random points on the outline of an irregular polygon that I'm analyzing, is it possible to get the exact length of curve between them?

For example, with MIPAR, I can easily get the perimeter of an irregular polygon. No problem with that. But if I want to get the three equal points, four equal points, or even more. Is that possible?

My second question is, is it possible to set up a Cartesian coordinate system, so that I can read the coordinates on this irregular polygon and do more calculation?

Thank you so much for your patience to read my message and look forward to your reply and idea.

Lei