Hi Harbil,
In addition to what Jon has stated, if you want to serve a remote dataset
via WMS through your TDS, the owner of the remote dataset must enable
allowRemote on their TDS WMS. Although you have made that setting to your
own TDS, this only controls the remote access of your own datasets not of
those external to your TDS. I know this is possible, because I do a similar
thing serving out satellite data via WMS from an external source (NOAA
PIFSC). Hope that helps.
Cheers,
John
On Wed, Aug 24, 2011 at 6:33 AM, Jon Blower <j.d.blower@xxxxxxxxxxxxx>wrote:
> Hi Harbil,
>
> When you serve remote datasets, you don't need to add them to the catalog
> (at least, I think that's true). The URL is itself a WMS endpoint. So if
> you have remote datasets enabled, you can point your WMS client to the URL:
>
>
> http://localhost:8080/thredds/wms?dataset=http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/godas/dbss_obil.1984.nc
>
> and it should work.
>
> If you want to add a remote dataset to the catalog you probably have to do
> something different.
>
> (Someone who knows more about THREDDS than I do will hopefully correct me
> if I'm wrong!)
>
> HTH,
> Jon
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 23 Aug 2011 12:56:18 +0200
> From: Harbil Arregui <harbil.arregui@xxxxxxxxx>
> To: thredds@xxxxxxxxxxxxxxxx
> Subject: [thredds] Remote OPENDAP dataset through WMS
> Message-ID:
> <CAMQ488GRvYVEjWbPeRBmff851_CmdtSv-hWMmjo4FZcwOWb-4A@xxxxxxxxxxxxxx
> >
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello everyone,
>
> I apologize in case I'm asking this in the wrong place. I have setup a
> Thredds server and I'd like to offer WMS access to several remote datasets.
> This remote datasets are given in OPENDAP and HTTPServer.
> I cannot make the method shown
> here<
> http://www.unidata.ucar.edu/projects/THREDDS/tech/tds4.2/reference/WMS.html
> >work.
>
> In catalog.xml I put:
> <dataset name="Remote" ID="dbss_obil" serviceName="wms" urlPath="
>
> http://localhost:8080/thredds/wms?dataset=http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/godas/dbss_obil.1984.nc
> "
> dataType="Grid"/>
>
> I already changed the threddsConfig.xml file including:
> <WMS>
> <allow>true</allow>
> <allowRemote>true</allowRemote>
> </WMS>
>
> It gives me this error:
> <ServiceExceptionReport version="1.3.0" xsi:schemaLocation="
> http://www.opengis.net/ogc
> http://schemas.opengis.net/wms/1.3.0/exceptions_1_3_0.xsd
> "><ServiceException>
> Failed to open dataset, "
>
> http://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/godas/dbss_obil.1984.nc?service=WMS
> ".
> </ServiceException></ServiceExceptionReport>
>
>
> So, am I trying to do something non-sense, expecting that my server should
> be able to do the direct conversion from the remote .nc file to WMS? Is
> there any way to do this?
>
> Many thanks,
> Harbil
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