Hi John, all,
Actually, the <allowRemote> only controls whether your server will
accept requests to provide a service on a remote dataset. The remote
site does not need to <allowRemote>; they are already making their
dataset available through (in this case) OPeNDAP. The remote server just
sees a client requesting access to their OPeNDAP dataset; they can't
tell if the request is from your server or from some end-user application.
Cheers,
Ethan
On 8/24/2011 1:11 PM, John Maurer wrote:
> 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
> <mailto: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
> <mailto:harbil.arregui@xxxxxxxxx>>
> To: thredds@xxxxxxxxxxxxxxxx <mailto:thredds@xxxxxxxxxxxxxxxx>
> Subject: [thredds] Remote OPENDAP dataset through WMS
> Message-ID:
>
> <CAMQ488GRvYVEjWbPeRBmff851_CmdtSv-hWMmjo4FZcwOWb-4A@xxxxxxxxxxxxxx
>
> <mailto: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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--
Ethan Davis UCAR Unidata Program
edavis@xxxxxxxxxxxxxxxx http://www.unidata.ucar.edu
