Animation Ghosting 2004-04-23 - By Rick Walia
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Quoting Guy Rabiller <guy@(protected)>:
> You can Ghost Particles too :-]
nice! or rather insane in the membrane!
Setting up simulations is going to be fun!
/R
> --
> guy rabiller | 3d technical director @ LaMaison
>
>
> -- -- Original Message -- --
> From: Bradley Gabe
> To: XSI@(protected)
> Sent: Friday, April 23, 2004 9:19 PM
> Subject: Re: Animation Ghosting
>
>
> Ghosting in XSI 4.0 is very powerful and incredibly versatile. It's both a
> camera option and a per object option.
>
> Camera Settings:
> - You can choose which cameras show ghosting and how they display per
camera.
>
> - Each camera can have a unique setting for ghosting colors, trail length,
> and fading effects.
> - Each camera can have a unique setting for whether to show per frame
> ghosting, ghosting keyframes, or both.
>
> Per Object Settings:
> - Ghosting per object is treated as a visibility property, alongside view
and
> render visibility.
> - Each object's ghost can have a unique graphical representation:
> -Object (Ghosts the entire object geometry)
> -Point (Ghosts just a position marker, no rot info)
> -Pose (Ghosts the object's center)
> -Velocity (Ghosts a vector representation of the change in velocity over
> time. This one is incredibly powerful for checking animation smoothness!)
> -Trail (Creates a curve path the ghosted object is traveling on)
>
> There are so many options, and it's tied into the architecture at a very
core
> level, so a lot of really cool tricks are out there just waiting to be
> discovered.
>
> As has already been mentioned, someone figured out that you could turn on
> ghosting on objects that are being run through Rigid Body Dynamics. Depending
> on the complexity of the sim and the number of objects involved, you can use
> ghosting to show a realtime preview of how the simulation will turn out! Here
's
> an example of what you can do with this:
>
> Ghost your RBD object well into the future, then open up the various RBD
> properties. In realtime, you can tweak the elasticity and friction parameters
> and see the sim path of your object update the size of its bounces!
>
> You could add wind, turbulence, tweak gravity, etc... all in real time in
> order to adjust the results of the simulations.
>
> No more tweaking values and running sims 100 times until your ball makes it
> through the hoop. Ghost it into the future, then adjust your sliders until the
> ghost shows the ball going where you want it to.
>
> -Brad
>
>
> That's fantastic, cheers for the info, it certainly a feature that many of
> our students (especially from a traditional animation background) have been
> crying out for! Does it work as a script, an animation mixer option or an
> operator on the characters mesh?
>
>
>
> Saf Efstathiou
>
> NCCA Demonstrator
>
> sefstathiou@(protected)
>
> www.onionboy.co.uk
>
> -- --Original Message-- --
> From: Robert Moodie [mailto:robertm@(protected)]
> Sent: 23 April 2004 16:52
> To: XSI@(protected)
> Subject: Re: Animation Ghosting
>
>
>
> Yes, and it is tight!
>
>
>
> I went through it with 1 of our animators and there was nothing that he
> wanted to see that wasn't there - including IK/FK ghosting
>
>
>
> There was a great trick discovered by someone on the beta programme were
> animation ghosting allowed you to see the ghosting for a rigid body simulation
> :-)
>
>
>
>
>
>
>
> -- -- Original Message -- --
>
> From: Sofronis Efstathiou
>
> To: XSI@(protected)
>
> Sent: Friday, April 23, 2004 10:56 AM
>
> Subject: Animation Ghosting
>
>
>
>
>
> Hello,
>
>
>
> Can anyone verify whether ghosting/onion skinning is available in XSI 4
?
>
>
> If not, can anyone recommend a method for ghosting animation of a
> character, who's meshes have been enveloped to a rig.
>
>
>
> Cheers!!!
>
> Saf Efstathiou
>
> NCCA Demonstrator
>
>
>
> Saf Efstathiou
>
> NCCA Demonstrator
>
> sefstathiou@(protected)
>
> www.onionboy.co.uk
>
>
>
>
>
> --
> Bradley R. Gabe
> Industrial Light & Magic
>
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