I had disappearing cached point clouds when the particle shape defining nodes
(particle shape or instance shape) is deleted from the ICE Tree, as if the
cache only stores positions etc but no info on what shape to render at those
positions.
What fixed it for me was to add such a node back in before the read cache node,
or even after it. Sorry it's a bit vague, it's been a while I ran into this,
but it was something along those lines, at least in my cases.
I have never been good friends with the caching methods in ICE . What is
the most simple way to write cache and read cache for farm rendering? I am
doing simple particle stuff and just need it to render reliably on the farm
with motionblur.
What I do now: Use Cache on File node and cache all simulation samples and
play through the scene to cache. Then I change the node to Read Cache and I
can render on the farm.
The thing is, I have tried copying the pointcloud and removing all other
nodes that the Read Cache node and move the ICE Tree away from simulation
mode so I could scrub back and forth and avooid having the cloud
resimulate, but no go. The particles dissappear. I go and browse for them
in the Read Cache node, and they are there, but still I don't get any
particles.
I know plenty of you use it all the time and have no (?) problems with it,
but i only use ICE for simulation on occasion, so it is almost new to me
every time I pick it up again, so please bear with me.
How is this supposed to work? Thanks!
A tired pixelbender - Morten
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