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Re: SVG12: animation of path data

From: Chris Lilley <chris@w3.org>
Date: Fri, 21 Apr 2006 16:35:30 +0200
Message-ID: <961442440.20060421163530@w3.org>
To: www-svg@w3.org
Cc: Bjoern Hoehrmann <derhoermi@gmx.net>

Hello www-svg,

Bjoern Hoehrmann <derhoermi@gmx.net>

> * Nandini Ramani wrote:
>>Discrete animation is *prohibited *and the wording in the spec. reflects 
> The latest draft actually notes "Non-interpolated (i.e. the calcMode is
> discrete) path data animation is always possible."


> It is not clear to me
> whether your response or the draft is in error.

Neither. Its just that your quotes above do not capture the context.

If the author requests calcMode="discrete" then they get a discrete

If the author requests calcMode= some other value, that gives an
interpolated animation, then this will only succeed if the path data is
compatible. If its not, then the spec prohibits falling back to a
discrete animation, because that would contradict the authorial intent.
Instead, the animation does not happen (unsupported value).

>  I also didn't understand
> what "then the animation specification must be ignored as unsupported"
> might mean.

It means the same as all the other instances of "unsupported values".

 Chris Lilley                    mailto:chris@w3.org
 Interaction Domain Leader
 Chair, W3C SVG Working Group
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Friday, 21 April 2006 14:35:33 UTC

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