With the re grooming you could just save out your old weight maps and reapply them
Maybe as long as you have not edited the mesh! Ben On 5 November 2013 15:41, Jonny Grew <jonny.g...@gmail.com> wrote: > Just thought I'd give you an update about this... > > Mr MB had a look at our scenes and encountered the same problem with > reading the cache - the feather instances appeared on frame 1 but > disappeared on subsequent frames. > > As there were some nested models under the main chicken model it was > thought that there was confusion with ICE recognising certain elements of > the setup... I ran a test by removing the nested models and there was no > change - still a problem reading the cache. His suggestion was it was a > soft cache reading error as it was a little sporadic with the errors we > were getting. > > After much faffing and eliminating every conceivable thing from the list > of things that could cause an issue we started over. Removed EVERYTHING > other than the meshes to be surfaced with feathers. The feathers were > remade and then I reapplied the rig with saved out envelope weights. So > far so good. Maybe the issue was with the initial build of the feather > system? No answer but problem solved. Although the re-grooming of the > feathers obviously adds time, at least we have a setup that works including > writing the cache out from referenced animation models and applying it to > referenced render models. > > Thanks for your thoughts. > > Jonny > > > > On 4 November 2013 19:53, Sandy Sutherland <sandy.mailli...@gmail.com>wrote: > >> You might be right Jonny, been a while since I used it. I am sure you >> can look see what attributes are being written and find the instance one - >> it is most likely an integer that can then be fed into an instance node. >> >> S. >> >> >> On 2013/11/04 9:01 PM, Jonny Grew wrote: >> >>> >>> >>> The problem is, Sandy, that I cannot recreate the instancing section of >>> the ice tree. The compound for MB feather tools is not explorable. You >>> simply point it at an instance group but the allocation of each individual >>> feather instance is defined by an envelope weight on a duplicate of the >>> render mesh (called the envelope mesh) Under the hood this will give the >>> particles a custom attribute (I'm guessing) that is used to inform which >>> instance each particle should use-the same goes for size and rate but >>> driven by a weight map that is local to the render mesh. Determining which >>> attribute is being used and how is what I would need to know in order to >>> use on a secondary ice tree by using the set instance geometry node in my >>> 'cache read' particle cloud. >>> >>> MB looking at it but cache issue could be down to how the feather tools >>> were set up originally or some kind of internal confusion due to the fact >>> we have 3 separate feather tool setups all referencing the same instance >>> feather group. >>> >>> Will report back when I know more. >>> >>> Jonny >>> >>> >>> >> >