Jdc
yeah! really really really well done! 
u have to think about doing this for everything,
is clear short and detailed exactly what needed…
from that example start to dig into this tool and re-read the section up of the example understanding the technical explanation is much more easy.
i’m playing a bit following the steps, then i would try to move them to my photos, as fast as i get a decent result for me i would post it, (too many things too few time…sigh).
Thanks to all, Afre HIRAM shreedhar Morgan_Hardwood james agriggio and off course to you Jdc, for the patience the kindness and this come out a really nice thread.