Mark C.,
The @href value was incorrect in my example.
<dao show="embed" href="weather-map"/>
As an attribute value, this type of entity does not use the '&' or
closing ';'.
Mike Ferrando
Library Technician
Library of Congress
Washington, DC
202-707-4454
--- Mark Carlson <[log in to unmask]> wrote:
> One thing to keep in mind is that <dao> "Digital Archival Object"
> can be
> any of a number of digital object formats, not just jpegs, so it is
> going
> to be pretty generic in that sense. If you know that you will
> never want
> to link to anything other than a jpeg, then a stylesheet could
> certainly
> be programmed to always turn a <dao> element into an <img> element
> in
> HTML. I think this is probably 95% of usage of this element today.
> But
> thinking forward, let's say you want to link to a sound file. A
> stylesheet processing a <dao> in such a case would need to know to
> use
> <object> instead of <img> to render that. So you need something in
> the
> encoding that qualifies your digital object. I recommend using a
> standard
> such as MIME types in such a case:
>
> <dao title="Text of the legend" show="embed" actuate="onload"
> role="image/jpeg" href="image.jpg" altrender="dao1"/>
>
> Also, many archives are favoring <daogrp> over <dao> because of its
>
> flexibility, although its usage is more complex than with <dao>
> (for
> further discussion, you can see an article I'm writing about this
> here:
> http://staff.washington.edu/carlsonm/XLinkToEAD.pdf which I hope to
> update
> soon!)
>
> As far as height/width, the current trend [XML/XHTML] in coding for
>
> display is to use Cascading Style Sheets to handle such things
> rather than
> hard coding them into the elements. In EAD, you could handle this
> either
> by coding an "id" [requires specific format] or "altrender" [does
> not
> require specific format] attribute for the linking element and then
>
> mapping that to a CSS class or ID:
>
> <style type="text/css">
> .dao1 {height: 50px; width: 100px;}
> </style>
>
> Mark
>
> On Tue, 12 Apr 2005, André Kahle wrote:
>
> > Michael: Thank you for help!!!
> >
> > I have a further question: how can I also show the legend of the
> photo,
> > while just hovering over it?
> >
> > What about the size of the picture?
> >
> > In HTML I would use <img src="..." alt="text of the legend"
> height="..."
> > width="..." >
> >
> > Thanks,
> >
> > Andre Kahle
> > SHLM & INFOKA
> >
> >
> > A 14:06 2005/04/12 -0500, Fox, Michael a écrit :
> >> Linda,
> >> This is a two step process.
> >>
> >> 1. In your finding aid, you obviously have to include a
> pointer to
> > the image file in your encoding of each <dao>. Assuming that
> this is a url
> > in an HREF attribute, it might look like this.
> >>
> >> <dao show="embed" href="picture.jpg"/>
> >>
> >> 2. You need to include a template like the following in
> your
> > stylesheet to create the link from the <dao> element to the
> digital image
> > file.
> >>
> >>
> >> <xsl:template match="dao[@show='embed']">
> >> <img src="{@href}">
> >> <xsl:apply-templates/>
> >> </img>
> >> </xsl:template>
> >>
> >> In the example above, this would generate the following in
> your HTML
> > output.
> >>
> >> <img src="picture.jpg">
> >>
> >> Michael
> >>
> >>
> >> -----Original Message-----
> >> From: Encoded Archival Description List [mailto:[log in to unmask]]On
> Behalf Of
> >> Linda Raditz
> >> Sent: Tuesday, April 12, 2005 1:19 PM
> >> To: [log in to unmask]
> >> Subject: Linking jpegs using <dao>
> >>
> >>
> >> I am trying to encode a finding aid and am having problems
> linking to the
> >> jpegs. I have jpegs of every item described in the inventory of
> this finding
> >> aid and I would like to link to the component description to the
> jpeg. I'd
> >> like to use <dao> . I've tried inserting <dao> and setting the
> attributes,
> >> but when I transform my file to html there is no link. Do I need
> to add
> >> something to my stylesheet to do this? Should I use a linking
> tag other than
> >> <dao>? I'm sorry if the answer is obvious - my ead skills are
> rusty (at
> >> best) and I've never tried to link to an outside file before.
> >>
> >> Any help is much appreciated!
> >>
> >> Linda
> >> -----------------------
> >>
> >> Linda Machado Raditz
> >> Archivist
> >> Freer Gallery of Art and Arthur M. Sackler Gallery Archives
> >> Smithsonian Institution
> >> P.O. Box 37012, MRC 707
> >> Washington, DC 20013-7012
> >> Telephone: 202-633-0329
> >> Fax: 202-357-4911
> >> http://www.asia.si.edu/
> >>
> >
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