<daogrp> is a wrapper element which contains two or more related <daoloc> elements that should be thought of as a group and may share a single <daodesc>. These may form an extended link group, enabling a set of multi-directional links. Related and useful elements are: <dao>, <daodesc>, <daoloc>, and <linkgrp>.
<daogrp> is one of the elements which may be used within <archdesc>, <archdescgrp>, <c>, <c01> through <c12>, <descgrp>, <did>, <odd>, and <scopecontent>.
Attributes
- ALTRENDER – not required. Use if the content of the element should be displayed or printed differently than the rendering established in a style sheet for other occurrences of the element.
- AUDIENCE – not required. Use to set whether the element’s contents will be visible to external users or to internal ones. Possible values are: “internal” and “external.”
- ID – not required. Creates an ID for element. Can be used for linking.
- LINKTYPE – FIXED. Must contain the value “extended.”
- ROLE – not required. Information that explains to application software the part that a remote resource plays in a link.
- TITLE – not required. Information that serves as a viewable caption which explains to users the part that a resource plays in a link.
Subelements
<daogrp> may contain: <arc>, <daodesc>, <daoloc>, <extptrloc>, <extrefloc>, <ptrloc>, <refloc>, and <resource>.
Examples
As with <dao>, an excellent example of <daogrp> in use comes from the LoC website:
<c level="file"> <did> <unittitle>Photographs of John Smith and family members</unittitle> <unitdate type="inclusive" normal="1895/1928">1895-1928</unitdate> <daogrp linktype="extended"> <daodesc> <p>Sample digitized image from this file: John Smith graduation portrait, <date normal="18950528">28 May 1895</date>.</p> </daodesc> <resource linktype="resource" label="start"/> <daoloc entityref="f0042_1tmb" linktype="locator" label="thumb"/> <daoloc entityref="f0042_1ref" linktype="locator" label="reference"/> <arc linktype="arc" show="embed" actuate="onload" from="start" to="thumb"/> <arc linktype="arc" show="new" actuate="onrequest" from="thumb" to="reference"/> </daogrp> </did> </c> |