Hi Benoit,
I'm afraid there isn't a way for the datasetScan to produce different
paths for the same dataset depending on the nested service. The
datasetScan was not designed with this in mind. Actually, nested
services weren't designed with this in mind either. When a nested
service is referenced by a dataset, the same urlPath is always used on
all the nested services.
This can be represented in a THREDDS catalog by using multiple <access>
elements in each dataset. Each <access> element references a service and
provides a urlPath so each one can be controlled however you like.
However, datasetScan doesn't generate <access> elements and we don't
have any other ways to automatically generate this kind of dataset
More detail on the <access> element is available at
http://www.unidata.ucar.edu/projects/THREDDS/tech/catalog/InvCatalogSpec.html#access
Hope this helps,
Ethan
Benoit GORDET wrote:
Hello there,
I'm new in working with TDS, and i need your help.
I use a datasetScan element, and i try to have many different services
access. I use nested service:
<service name="multiple" serviceType="Compound" base="" >
<service name="thisDODS" serviceType="OPENDAP"
base="/thredds/dodsC/" />
<service name="CORftp" serviceType="FTP"
base="ftp://ext-ifr@xxxxxxxxxxxxxx/coriolis/data/CORT-GLOBAL-01/oa/field/";
suffix=".bz2"/>
<service name="CORlas" serviceType="LAS"
base="http://www.ifremer.fr/las/"; />
<service name="CORweb" serviceType="WebForm"
base="http://www.ifremer.fr/co/"; />
</service>
then
<datasetScan location="/global/salinity/weekly/CORT-GLOBAL-01/"
path="PSAL" name="Salinity" serviceName="multiple" />
The access results for the data OA_20051102.nc (exemple of a founded
data in the directory scanned) is logically:
1. OPENDAP: http://rhsism11:8080/thredds/dodsC/PSAL/OA_20051102.nc
2. FTP:
ftp://ext-ifr@xxxxxxxxxxxxxx/coriolis/data/CORT-GLOBAL-01/oa/field/PSAL/OA_20051102.nc.bz2
3. LAS: http://www.ifremer.fr/las/PSAL/OA_20051102.nc
4. WebForm: http://www.ifremer.fr/co/PSAL/OA_20051102.nc
The problem is that LAS server and WebForm (Web image displaying)
havent the wanted URL. I want:
1. OPENDAP: http://rhsism11:8080/thredds/dodsC/PSAL/OA_20051102.nc
2. FTP:
ftp://ext-ifr@xxxxxxxxxxxxxx/coriolis/data/CORT-GLOBAL-01/oa/field/PSAL/OA_20051102.nc.bz2
3. LAS:http://www.ifremer.fr/las/servlets/dataset
4. WebForm: http://www.ifremer.fr/co/co0525/en/global/
So typically the datasetScan path (here PSAL) is not good for all the
services. Is there a
way to have differents paths value for each nested service?
Thanks
Benoit
--
Ethan R. Davis Telephone: (303) 497-8155
Software Engineer Fax: (303) 497-8690
UCAR Unidata Program Center E-mail: edavis@xxxxxxxx
P.O. Box 3000
Boulder, CO 80307-3000 http://www.unidata.ucar.edu/
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