[Athen] Placing long image descriptions within course materials.

[Steve Green]

My preference is to present the long description as visible text, so it benefits everyone. However, most clients don't want to do that.

The next preference is to add the long description as hidden text behind the chart or graph. It can be in a very small font if necessary, because no one will ever see it.

Both approaches allow us to apply semantic structure such as headings, lists or tables, which you cannot do with alt text. You can do this with Word and PowerPoint. In principle you can do it with HTML too, but some CMSs and content creation platforms will not let you. In both cases the image is marked as decorative.

Unfortunately I can't share any examples because all our work is done for our clients.

Steve Green
Managing Director
Test Partners Ltd


From: athen-list <athen-list-bounces at mailman12.u.washington.edu> On Behalf Of Matthew Deeprose
Sent: 05 July 2022 12:18
To: 'Access Technology Higher Education Network' <athen-list at u.washington.edu>
Subject: [Athen] Placing long image descriptions within course materials.

Hello colleagues

For complex images like charts and graphs, the W3C recommend writing long descriptions.<https://www.w3.org/WAI/tutorials/images/complex/>

I'm interested to learn how you deal with long image descriptions in course materials, for example in PowerPoint and Word documents that are uploaded to a Learning Management System like Blackboard / Canvas / Moodle etc.

For example, if you write long descriptions do you use the alt text box, or do you add it to speaker notes or a hidden slide (in PowerPoint), or an appendix or supplementary document?

Does anyone have any examples to share of course content that includes long descriptions of complex images?

I researched and delivered a presentation on this topic recently<https://matthewdeeprose.github.io/alt-text-images-charts-graphs>, it uses a number of worked examples on how to write long descriptions, I'm really interested to learn some practical examples of how others are placing long descriptions within course materials.

Thanks

Matt




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Matthew Deeprose
He/Him/His<https://pronoun.is/he>
Digital Learning<https://generic.wordpress.soton.ac.uk/digital-learning/>
iSolutions
University of Southampton

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My accessibility presentations, blog posts, and projects<https://matthewdeeprose.github.io/>

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