- From: Laura Carlson <laura.lee.carlson@gmail.com>
- Date: Tue, 10 Jan 2017 13:59:05 -0600
- To: David MacDonald <david100@sympatico.ca>
- Cc: WCAG <w3c-wai-gl@w3.org>
Hi David, > Significant animation: Animation which continues for more than 2 seconds, and the > movement occupies more than 500 CSS pixels on the webpage Much simpler. Thank you! Kindest Regards, Laura On 1/10/17, David MacDonald <david100@sympatico.ca> wrote: >>Would that make the Animation SC easier to test and the proposal something > you can live with? > > - Significant animation: Animation which continues for more than 1 second, > and affects more than 1/3 of the view of the webpage. > > - I would say 2 seconds threshold, so any animation less than 2 seconds > passes, allowing most CSS transitions, which are an important design > paradigm. > - For the field, perhaps saying something like it has >500 CSS PX again > that is fairly arbitrary... but at least measurable. > > - Significant animation: Animation which continues for more than 2 seconds, > and the movement occupies more than 500 CSS pixels on the webpage > > > Cheers, > David MacDonald > > > > *Can**Adapt* *Solutions Inc.* > > Tel: 613.235.4902 > > LinkedIn > <http://www.linkedin.com/in/davidmacdonald100> > > twitter.com/davidmacd > > GitHub <https://github.com/DavidMacDonald> > > www.Can-Adapt.com <http://www.can-adapt.com/> > > > > * Adapting the web to all users* > * Including those with disabilities* > > If you are not the intended recipient, please review our privacy policy > <http://www.davidmacd.com/disclaimer.html> > > On Tue, Jan 10, 2017 at 2:20 PM, David MacDonald <david100@sympatico.ca> > wrote: > >> PS I see the definition of "significant" >> Significant animation: Animation which continues for more than 1 second, >> and affects more than 1/3 of the view of the webpage. >> >> I just wonder if that is the right threshold for triggering... >> >> Cheers, >> David MacDonald >> >> >> >> *Can**Adapt* *Solutions Inc.* >> >> Tel: 613.235.4902 <(613)%20235-4902> >> >> LinkedIn >> <http://www.linkedin.com/in/davidmacdonald100> >> >> twitter.com/davidmacd >> >> GitHub <https://github.com/DavidMacDonald> >> >> www.Can-Adapt.com <http://www.can-adapt.com/> >> >> >> >> * Adapting the web to all users* >> * Including those with disabilities* >> >> If you are not the intended recipient, please review our privacy policy >> <http://www.davidmacd.com/disclaimer.html> >> >> On Tue, Jan 10, 2017 at 2:14 PM, David MacDonald <david100@sympatico.ca> >> wrote: >> >>> I guess I identified 3 things that I'd like to explore: >>> >>> (1) A definition of "Significant" (Is the test case a definition?) >>> (2) It is a major requirement on the modern web which is full of >>> animation, so we better be ready to defend it, it requires designers to >>> change designs, marketing to carve out space for a button on the "above >>> the >>> fold" etc... >>> (3) minimal research available on triggering characteristics such as >>> (length of exposure, speed, provocation, time of day, etc.) >>> >>> We have several people sharing their experience which is helpful... I >>> know someone who shares Nat's experiences,and I've been talking with >>> them >>> about our exploration which she thinks would be helpful... but I would >>> like more information for such a large requirement... >>> >>> There may be times when animation is helpful... for instance a long home >>> page on a website, and the author wants people to scroll down. The >>> automated scroll lets them know they are moving to a place on the same >>> page, rather than another page, so it helps distinguish an in page link >>> (href=#...) from an regular link (href=http://...) >>> >>> It will cause many web sites to have to create a gear icon, or another >>> button in addition to a "Pause" button on a carousel. One big thing is >>> how >>> to create a button that doesn't eat expensive real estate, that is >>> easily >>> understood. Is there an icon that people with vestibular disabilities >>> would >>> have? DO you say on the button on the $50Million above the fold part of >>> the >>> page <button>Stop all animation on this site</button>? >>> >>> those are my concerns... >>> >>> >>> Cheers, >>> David MacDonald >>> >>> >>> >>> *Can**Adapt* *Solutions Inc.* >>> >>> Tel: 613.235.4902 <(613)%20235-4902> >>> >>> LinkedIn >>> <http://www.linkedin.com/in/davidmacdonald100> >>> >>> twitter.com/davidmacd >>> >>> GitHub <https://github.com/DavidMacDonald> >>> >>> www.Can-Adapt.com <http://www.can-adapt.com/> >>> >>> >>> >>> * Adapting the web to all users* >>> * Including those with disabilities* >>> >>> If you are not the intended recipient, please review our privacy policy >>> <http://www.davidmacd.com/disclaimer.html> >>> >>> On Tue, Jan 10, 2017 at 12:58 PM, Laura Carlson < >>> laura.lee.carlson@gmail.com> wrote: >>> >>>> Hi all, >>>> >>>> I am the manager of Issue 18 Animation from interactions [1]. David >>>> noted an issue on his spreadsheet that the proposal: >>>> >>>> "Significant - is hard to test. Big requirement on modern animated >>>> web... minimal research available on triggering characteristics such >>>> as (length of exposure, speed, provocation, time of day, etc.)" >>>> >>>> The test in the proposal is: >>>> >>>> For each example of animation on a page/view check if: >>>> >>>> 1. The animation is triggered by a user-action, and >>>> 2. the animation includes movement that is not essential to the action, >>>> and >>>> 3. the animation takes more than 1 second and affects more than 1/3 of >>>> the webpage view, and >>>> 4. there is no way of using the webpage without triggering the >>>> animation. >>>> >>>> If all are true then it fails. >>>> >>>> Do others think it is hard to test? If so, how could it be made easier? >>>> >>>> Thank you. >>>> >>>> Kindest regards, >>>> Laura >>>> >>>> [1] https://github.com/w3c/wcag21/issues/18 >>>> >>>> -- >>>> Laura L. Carlson >>>> >>>> >>> >> > -- Laura L. Carlson
Received on Tuesday, 10 January 2017 19:59:38 UTC