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RE: multiple animation-targets etC

From: Patrick Schmitz <pschmitz@microsoft.com>
Date: Wed, 29 Nov 2000 08:51:54 -0800
Message-ID: <6CAC6551F8C10F4C9EC0CF34132F2AAE4FCB58@red-msg-07.redmond.corp.microsoft.com>
To: "'Tobias Reif'" <tobiasreif@yahoo.com>, www-svg@w3.org
Just a couple of follow-up comments:

> Thank you very much!
> To be honest ... I'd rather go with an elegant
> non-hack solution: just "pause" with fill="freeze" or
> equiv.

The SMIL 2.0 spec defines this behavior with an additional attribute for
children of the excl time container.  Perhaps the pause method (when we
formalize it) should be extended to take a parameter equivalent to the
attribute.  Basically, it just controls whether the element is
rendered/applied while paused, or not.

IE 5.5 does not implement this attribute (IE had to go out ahead of the
spec, and so is missing some things like this that were added late). I just
wanted to be clear that the problem is not in the SMIL 2.0 spec, just in
this early implementation.

> 
> IMHO, the current state of animation in SVG is
> unsufficient. It is far from getting complicated; with
> the mentioned features, it will still be simple.
> The below mentioned and some more in my opinion
> represent a minimum of basic requirements for
> animation:
> 
> *support full Xpointer/Xpath,

Good suggestion for v.next, as noted.

> *pause, resume/play, go to start,
> *short notation to control all ongoing
> animations at once: "pause" "play"  "resume"; "reset";
> "slomo forward"; "fast forward"; "slomo backward";
> "play backwards"; "fast backward"

All these are supported by an experimental DOM implementation for SMIL in IE
5.5, as I mentioned before. In fact, you can even animate the speed, so you
do not need script.

DOM work for SMIL 2.0 (and thus for SMIL Animation) is ongoing, but will not
release with SMIL 2.0.

It would be inappropriate for SVG to add this kind of functionality to this
version, but I am sure we will continue to talk about it for future
releases.

Patrick Schmitz
Researcher - Telepresence and Ubiquitous Media
Microsoft
Received on Wednesday, 29 November 2000 11:53:18 GMT

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