How to: Find a point on the surface of a model given a known window point

As part of the SelectionItem class in HPS, there is the function ShowSelectionPosition():
https://docs.techsoft3d.com/hps/latest/api_ref/cs/class_h_p_s_1_1_selection_item.html?highlight=showselectionposition#function-HPS.SelectionItem.ShowSelectionPosition

Depending on the variant of the function, it will return a WindowPoint or WorldPoint.

For more information check out our forum post.