- From: Patrick Lauke <P.H.Lauke@salford.ac.uk>
- Date: Tue, 21 Dec 2004 15:39:35 -0000
- To: <w3c-wai-ig@w3.org>
> From: John Colby > If there is a graph it shoudl be pretty obvious visually. > So how about, for a graph or chart > alt="Chart showing (chart title) - for detail follow the link (name of link)" Slight alteration: I would also add any trends etc in the ALT (provided that we're talking about something fairly short, e.g. alt="Sales of widgets in 2005, showing an overall growth of 300% in widgets of type A", and also add a proper longdesc attribute to the image (and, if at all necessary, a [D] link - or even something more graceful and integrated, like a little note along the lines of "See complete set of results/data/whatever", as getting access to "copy/paste-able" figures benefits everybody, not just screenreader users) > a full description of the chart and its data if appropriate (not just the data > as that then becomes a meaningless table), the full description highlighting > what the author intends, describing, for instance, trends over time. Good chance to use the table's summary attribute. Patrick ________________________________ Patrick H. Lauke Webmaster / University of Salford http://www.salford.ac.uk
Received on Tuesday, 21 December 2004 15:42:32 UTC