Add Collections in getFT targets

[dstp147]

When it comes to magnet rings, radially polarized rings can be created through the use of collections.
Is it possible to also add collections in getFT targets ?

[fslanovc]

Thank you for pointing out this very valid point - it has long been on our to-do list to enable the force calculation for general Magpylib collections as well. Since the current version allows lists of objects, a temporary workaround could be to transform the collection into a list of elementary Magpylib geometries, e.g. cylinder tiles in the case of a ring. However, we will do our best to solve this problem in the near future!

[dstp147]

Thank you for your high-quality work. I look forward to the update with anticipation.