Re: [motion] direction and starting point of circle/ellipse

On Thu, Apr 16, 2015 at 12:33 AM, Erik Dahlström <ed@opera.com> wrote:
> Hi,
>
> forwarding on behalf of Eric Willigers, who found some inconsistencies in
> how the starting point and direction works in the motion path draft compared
> to svg2. In the definition of the motion-path[1] property the starting point
> and direction for circle and ellipse are different to the ones used for the
> equivalent paths in svg2, see [2][3]. In svg the equivalent path for circle
> and ellipse starts at 3 o'clock and proceeds clockwise.
>
> Is this going to be a possible cause of confusion, and should these
> definitions be aligned?
>
>
> [1] http://dev.w3.org/fxtf/motion-1/#motion-path-property
> [2] https://svgwg.org/svg2-draft/shapes.html#CircleElement
> [3] https://svgwg.org/svg2-draft/shapes.html#EllipseElement

Yeah, given Tav's work that established the starting point for shapes
is remarkably consistent across browsers, Motion Path should change to
start circle()/ellipse() at the 3 o'clock point.

~TJ

Received on Thursday, 16 April 2015 20:43:26 UTC