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Or if you want a surprise, look at the difference
in playback speed between geometry approximation and actual
subdivision.
----- Original Message -----
Sent: Tuesday, June 13, 2006 11:58
AM
Subject: Re: ref model looses the shape
connections
Jeff, i experienced the same when switching low/medium rez models. in
my case i had to load the low rez into the medium rez slot. then the
low rez into the low rez slot and THEN the medium into the medium
slot. otherwise i lost animations on the way when switching.
Yeah, I only use the medium res slot. I just
manually switch low, medium, and high res into the medium ( default )
slot.
So any clips that hang on that slot get overridden. ( not the
case otherwise ).
strangely enough, my medium rez model with full envelope has a faster
viewport playback rate then the low rez which is just broken meshes
and a enveloped head for the faceial animations.
34 to 31 fps... wierd....
We have also experienced this. XSI doesn't like
lots of objects. So if you are just parenting broken meshes on your low
res.. that'll be your problem. To get better speed, actually envelope
them. Heck, if you can merge all the parts into one mesh, THEN
envelope it.. you're only pushing one object around. XSI will speed way
the heck up.
It's counter-intuitive for Maya users to think that an
enveloped mesh is faster than a broken up parented one. But with our
tests this seems to be the case.
Best,
Jeffrey Dates
ciao
franky
Tuesday, June 13, 2006, 3:55:27 PM, you wrote:
JD> Heya Frank,
JD> There are a couple of things I would look at.
JD> Switching Reference Model Resolutions using the ( Low, Medium, and High
JD> ) radial buttons in the models property page has given us grief in the
JD> past. My advice is to only use the Medium resolution input, and just
JD> manually switch all models ( low and hi res ) via the same input field.
JD> ( if that makes sense ).
JD> Also, make sure that the Reference Models' Mixer option is turned on in
JD> the model property panel. Without that, mixer animation you do will not
JD> save upon reload.
JD> Finally, if you load the low-res version of your Ref Model, that doesn't
JD> have facial sliders, then switch to a hi-res that does, animate, then
JD> switch back, you are in danger of loosing the facial animation. The
JD> solution I've found is to load the hi-res first, with all the controls,
JD> then switch it to the low-res using the way described above, and proceed
JD> from there.
JD> Those are the things I have personally run across when using Reference
JD> Models. Each has it's own workaround to a solution, and I have found
JD> that reference models work great once you know the 'issues' that are
JD> still inherent with them.
JD> I don't know if any of the above will help you, but at least you can
JD> rule them out if not.
JD> Good luck! Be sure to share what your solution ends up being.. I'd be
JD> interested.
JD> Jeffrey Dates
JD> Frank Lenhard wrote:
huhu,
i run into another problem that seems quite strange and dangerous at
the same time.
i got a character, rigged in a model. he got a face rig with quite a
lot of shapes, that are connected to several clusters in his head.
the mixer weights are controled by "linked with" expressions. (is
there a name for these kind of expressions? like driven keys?)
when i reference the model into a new scene everything is fine. i can
control the shapes via the controls.
after saving and reloading i get SOMETIMES and error 3000 that it cant
connect to the clusters. then all the shape animation is gone
naturally and the controls dont have influence any more.
its not that the model looses the shape keys, its that the linked with
connections are gone!
i tried to reference in with prefix and without prefix. for some
strange reason it works sometimes and sometimes not.
anyone knows about this and got a cure?
i am trying to do my final student film for animationmentor in xsi and
spent the last 3 weeks digging into rigging. so far i got my
characters set up fine and would like to use referenced models in my
shots. i expect to have to update the rig/shapes while i am animating
along, so i suspect the ref models would be the way to go.
i COULD live with real models and switching them by hand, if i must.
ciao
franky
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