> What about : > > Coalesce (animation_datetime(), now()) > > Does that work?
So I tested COALESCE(animation_datetime(), now()) - and it doesn't work for two reasons: - for layers that are not under time manager control, animation_datetime() doesn't return NULL, but returns as invalid expression ;-( - Similar, if a layer is under time manager control - if one stops time manager - animation_datetime() is not set to NULL, but still holds some time value --------------- So to fix this - we would have to: - always return a valid expression for animation_datetime() - even for layers not under TimeManager control. It should return NULL in this case - return NULL for animation_datetime() when TimeManager is not active - also for layers under TimeManager control. Andreas
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