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On Jul 15, 2008, at 1:22 PM, Ethan Davis wrote:
Hi Nathan,The HTML view of a catalog isn't defined in the spec. So, the TDS (and underlying servlet framwork) does not assume that a remote THREDDS catalog can be requested in an HTML view with a simple replacement of .xml with .html. Instead it tries to generate the HTML view itself with the service URL you are seeing.
Thanks Ethan. I figured it was something like that. It raises issues for my application as I am trying to use the UNIDAT THREDDS code as an implementation of THREDDS in Hyrax - which is not the TDS so doesn't have the catalogServices servlet. I guess the reason I am making the point is that this is another place where the THREDDS core is tightly wedded to the TDS.
N
Ethan Nathan Potter wrote:Ethan et al., This is a question about THREDDS 3.16 and DataRootHandler.I am looking at configuring a THREDDS catalog to reference a catalog on another system. I imagined that I could put this:<catalogRef xlink:href="http://motherlode.ucar.edu:8080/thredds/catalog.xml " xlink:type="simple" xlink:title="Motherlode, UNIDATA" name="Motherlode_UNIDATA"/>into my catalog.xml.When I do that and ask the server for the catalog.xml I get this entry:<catalogRef xlink:href="http://motherlode.ucar.edu:8080/thredds/catalog.xml " xlink:title="Motherlode, UNIDATA" name="" />Although it lost the xlink:type attribute (which is expected) and also the value of the name attribute (not expected), it should still work since the the xlink:href attribute is correct, and dereferencing that absolute URL it will get you that catalog.However when I ask for the catalog.html I get this bit:<a href="/opendap/catalogServices?catalog=http://motherlode.ucar.edu:8080/thredds/catalog.xml "><tt>Motherlode, UNIDATA/</tt></a></td>Now, in my mind the value href attribute should have been: http://motherlode.ucar.edu:8080/thredds/catalog.htmlI think this because this (the catalog.html document) is the presentation view of the catalog and it should point to the presentation view of the referenced catalog. Rather, it points to a local servlet... Which I am not running :( because I didn't know about it or what it might do.Can you explain what's going on? Nathan = = = Nathan Potter ndp at opendap.org OPeNDAP, Inc. 541.752.1852 _______________________________________________ thredds mailing list thredds@xxxxxxxxxxxxxxxx For list information or to unsubscribe, visit: http://www.unidata.ucar.edu/mailing_lists/--Ethan R. Davis Telephone: (303) 497-8155 Software Engineer Fax: (303) 497-8690UCAR Unidata Program Center E-mail: edavis@xxxxxxxx P.O. Box 3000 Boulder, CO 80307-3000 http://www.unidata.ucar.edu/ ---------------------------------------------------------------------------
= = = Nathan Potter ndp at opendap.org OPeNDAP, Inc. 541.752.1852
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