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Many printed textbooks contain a construct that consists of an
illustration with a caption and several textual labels printed within
the boundaries of the image. For example, imagine a picture of the
human digestive system, with the key organs labeled with their name.
The XML for such a construct might look something like this:
...
<figure number="1">
<image src="organs.tif" hsize="6.0" vsize="4.0"/>
<label xpos="2.0" ypos="1.0">
esophagus
</label>
<label xpos="2.0" ypos="2.0">
stomach
</label>
<label xpos="1.5" ypos="2.5">
intestine
</label>
<label xpos="2.0" ypos="3.5">
colon
</label>
<caption>
The human digestive system consists of several key organs.
</caption>
</figure>
...
There are other devices that could also be used to annotate the
illustration, such as callout lines or arrows, balloon text, a key or
a legend.
Is anybody aware of a standard or proposed DTD or schema that
specifies the content model for this or similar constructs?
Bruce Kulik
Media Entities, Inc.
"The Path to XML Publishing"
www.mediaentities.com
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