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Re: SVG12: cumulative animation targets

From: Chris Lilley <chris@w3.org>
Date: Fri, 21 Apr 2006 16:23:39 +0200
Message-ID: <13710340570.20060421162339@w3.org>
To: www-svg@w3.org

Hello www-svg,

 
> * Chris Lilley wrote:
>>BH>   http://www.w3.org/TR/2005/WD-SVGMobile12-20050413/ is unclear about
>>BH> what can be target of cumulative animations.
> 
>>[...]
> 
>>The clear definition is to be found in the referenced SMIL2
>>specification:
>>
>>http://www.w3.org/TR/SMIL/animation.html#animationNS-Accumulate
>>
>>>> Every animation element must be defined as either cumulative or
>>>> non-cumulative. An animation element may be defined as cumulative
>>>> only if addition is defined for the target attribute.
> 
> If there is text in SVG Tiny 1.2 or SMIL 2.1 that rules out the
> possibility of an animation target that may be target of additive
> but not cumulative animation, this isn't it. So this does not
> address my concern.

Additive is given as a precondition of being cumulative.

Since it does not say that all additive animations are cumulative, that
necessarily implies that there can be animations which are additive and
which are not cumulative.

This seems straightforward, what is the problem here?

-- 
 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 14:23:50 GMT

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