Re: [EXT] Re: Target size updates

I think that it will be critical to include visual examples in the
Understanding document, to remove any lingering ambiguity.

JF

On Tue, Dec 20, 2022 at 12:06 PM Jennifer Strickland <jstrickland@mitre.org>
wrote:

> Not sure if anyone else is struggling to understand the new version, but I
> am. The first row before uses more plain language. I love the shortening,
> but don’t understand the rewrite as clearly.
>
>
>
> *From: *Alastair Campbell <acampbell@nomensa.com>
> *Date: *Tuesday, December 20, 2022 at 10:52 AM
> *To: *WCAG list (w3c-wai-gl@w3.org) <w3c-wai-gl@w3.org>
> *Subject: *[EXT] Re: Target size updates
>
> Hi everyone,
>
>
>
> Specifically on the Target offset exception, Michael Gower suggested an
> update.
>
>
>
> “*Target offset:* length of the longest possible line that starts at an
> edge of a target (A), intersects a second edge of A, and ends at the
> closest edge of a second target (B).
>
> Where a point in each target occupies the same horizontal or vertical
> plane the distance is measured on that axis. Where targets do not share any
> points in either plane, the distance is measured diagonally. The offset
> includes the target and spacing around the target.”
>
>
>
> The first line is the same, the remaining updates break down like this:
>
>
>
> *Option 7 (currently in the PR)*
>
> *Option 10 (new)*
>
> For horizontally aligned targets, target offset is measured with a
> horizontal line. For vertically aligned targets, target offset is measured
> with a vertical line.
>
>
>
>
>
> Where a point in each target occupies the same horizontal or
> vertical plane the distance is measured on that axis.
>
>
>
>
>
> For targets that are neither, target offset is measured diagonally
>
>
>
>
>
> Where targets do not share points in either plane, the distance is
> measured diagonally.
>
> Two targets are horizontally aligned if a horizontal line can be drawn
> that goes through both targets, but no vertical line can be drawn that goes
> through both targets. Two targets are vertically aligned if a vertical line
> can be drawn that goes through both targets, but no horizontal line can be
> drawn that goes through both targets.
>
> The offset includes the target and spacing around the target.
>
>
>
> It uses the concepts of “axis” and “plane” to shorten the text. The last
> part of option 7 seems redundant now with the updated SC text and first
> part of the definition.
>
>
>
> This seems as simple and shorter to me, can anyone see a downside to that
> update.
>
>
>
> Kind regards,
>
>
>
> -Alastair
>
>
>
> --
>
>
>
> @alastc / www.nomensa.com
>
>
>


-- 
*John Foliot* |
Senior Industry Specialist, Digital Accessibility |
W3C Accessibility Standards Contributor |

"I made this so long because I did not have time to make it shorter." -
Pascal "links go places, buttons do things"