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Subject: Are all charts always backed by a table?
- From: Pete Brunet <brunet@us.ibm.com>
- To: office@lists.oasis-open.org
- Date: Fri, 1 Aug 2008 16:29:31 -0500
For accessibility purposes the AccSC
needs to know if all ODF charts are *always* backed by a table. (Tables
are accessible and easier to navigate and interpret.) Due to the
use of the word "may" in sections 10.2 and 10.3 of the spec,
it's not clear that all charts are *always" backed by a table. Could
someone please clarify this? Does the text need to be touched up?
10.2 Introduction to Chart Documents
Chart documents are always contained
within other XML documents. There are two types of chart container documents:
- Documents that do not provide data for
the chart: The chart data is contained in a <table:table> element
inside the <chart:chart> element.
- Documents that provide data for the
chart: The chart data *may
be* contained in a <table:table>
element in the parent document, for example, in a spreadsheet or text document.
10.3 <chart:chart>
The <chart:chart> element
represents an entire chart, including titles, a legend, and the graphical
object that visualizes the underlying data called the plot area. The data
underlying the chart is represented by a table element. This element *may
also exist*
for embedded charts that get the data from the container document. In that
case the chart can be rendered without getting the data from the container
document.
Thanks,
Pete Brunet
IBM Accessibility Architecture and Development
11501 Burnet Road, MS 9022E004, Austin, TX 78758
Voice: (512) 838-4594, Cell: (512) 689-4155
Ionosphere: WS4G
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