Re: function-based input for <animate> (ACTION-3142)

On Sun, 27 Nov 2011 22:30:24 +0100, David Dailey
<> wrote:

> Hi Erik and all,
> Thanks for the opportunity to explain this in a bit more detail. Many of  
> my comments were rather cryptic, I realize.
> In short, the proposal is to extend animateMotion so that it may effect  
> other pairs of attributes of objects than just their x and y positions.
> What I was getting at here is the fact that declarative animation has  
> limited ability to control the way in which attributes change values.
> Either, in the case of <animateMotion>, there is the ability to control  
> the x and y positions of SVG elements through a path: a function mapping  
> time to x and to y --from that it is natural to affiliate the x and y  
> positions of points to follow that path.

The WG has discussed this proposal, and it was resolved that SVG 2 will
support path-based animations of pairs of attributes.

If you have any specific use-cases in mind other than the examples you've
already posted in this thread please let us know, to ensure that the  
will be covered when this requirement is addressed.

Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog:

Received on Monday, 2 January 2012 11:47:21 UTC