for the sake of it, I just tested them all.

Bump and Transparent always return to an explicitely set 1.0

All other slots, including displacement and normal_map, and including an image attached to an IBL light, remain as set.

EDIT: I also noted that reopening a scene, just altering some texture / gamma settings, leaves the Save option greyed out; only Save As is possible. So I'm not sure such changed go noted.

On my machine, on my PoserPro 2014SR4, at Aug 22 2014 21:00

might be different next time ?

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though