hi:
usually you just open the opendap url like this:
NetcdfFile ncfile =
NetcdfDataset.openFile("http://motherlode.ucar.edu:8080/thredds/dodsC/galeon/testdata/striped.nc";,
null);
john
> Hello,
> Is there any way to work with the library NetCDF Java Library so you can
> open files that are in remote in a Thredds Server? I am developing a litlle
> application and I need to read netcdf files by calling to OPEnDAP, but i can
> not read the data from the netcdf file with Java code.
> Thanks in advance
>
> 2011/4/7 Manuel Antonio Regueiro <address@hidden>
>
> > Hi again
> > I used OPeNDAP as you said me, but now I have another problem.
> > I try to read the data from the netcdf using:
> >
> >
> > List<Variable> variables1 = nc1.getVariables();
> > List<Array> datos1;
> > Iterator iter1 = variables1.iterator();
> >
> > while (iter1.hasNext()) {
> > Variable var = (Variable) iter1.next();
> >
> > if (var.getName().equalsIgnoreCase("u_current")) {
> >
> > List variable = new ArrayList<Array>();
> > variable.add(var);
> > datos1 = nc1.readArrays(variable);
> > }
> > }
> >
> >
> > but ...
> >
> > 07-abr-2011 13:36:49 ucar.nc2.dods.DODSNetcdfFile readArrays
> > GRAVE: ERROR readDataDDSfromServer on ?u_current
> > opendap.dap.DAP2Exception: Method failed:HTTP/1.1 403 Forbidden
> > at opendap.dap.DConnect2.openConnection(DConnect2.java:228)
> > at opendap.dap.DConnect2.getData(DConnect2.java:708)
> > at opendap.dap.DConnect2.getData(DConnect2.java:988)
> > at
> > ucar.nc2.dods.DODSNetcdfFile.readDataDDSfromServer(DODSNetcdfFile.java:1169)
> > at
> > ucar.nc2.dods.DODSNetcdfFile.readArrays(DODSNetcdfFile.java:1223)
> > at
> > org.n52.wps.server.algorithm.NetCDF.Suma.Operation(Suma.java:130)
> > at
> > org.n52.wps.server.algorithm.NetCDF.RefinedNetcdfOperation.Operation(RefinedNetcdfOperation.java:30)
> > at
> > org.n52.wps.server.algorithm.NetCDF.AbstractNetCDFOperation.run(AbstractNetCDFOperation.java:181)
> > at
> > org.n52.wps.server.request.ExecuteRequest.call(ExecuteRequest.java:569)
> > at
> > org.n52.wps.server.request.ExecuteRequest.call(ExecuteRequest.java:78)
> > at
> > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> > at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> > at
> > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> > at
> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> > at java.lang.Thread.run(Thread.java:662)
> > java.io.IOException: Method failed:HTTP/1.1 403 Forbidden
> > at
> > ucar.nc2.dods.DODSNetcdfFile.readArrays(DODSNetcdfFile.java:1228)
> > at
> > org.n52.wps.server.algorithm.NetCDF.Suma.Operation(Suma.java:130)
> > at
> > org.n52.wps.server.algorithm.NetCDF.RefinedNetcdfOperation.Operation(RefinedNetcdfOperation.java:30)
> > at
> > org.n52.wps.server.algorithm.NetCDF.AbstractNetCDFOperation.run(AbstractNetCDFOperation.java:181)
> > at
> > org.n52.wps.server.request.ExecuteRequest.call(ExecuteRequest.java:569)
> > at
> > org.n52.wps.server.request.ExecuteRequest.call(ExecuteRequest.java:78)
> > at
> > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> > at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> > at
> > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> > at
> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> > at java.lang.Thread.run(Thread.java:662)
> >
> > ÂWhat`s wrong with the java code?
> >
> > Thanks
> >
> >
> > 2011/4/1 Unidata netCDF Java Support <address@hidden
> > >
> >
> >> Hello Manuel,
> >>
> >> The URL you are using is a WMS GetCoverage request. The response to this
> >> request is a full netCDF file, without HTTP byte range support. The
> >> netCDF-java library doesn't support non-"byte range" HTTP access to remote
> >> netCDF files.
> >>
> >> From the dataset page for this dataset
> >>
> >>
> >> http://motherlode.ucar.edu:8080/thredds/catalog/galeon/testdata/catalog.html?dataset=galeon/testdata/striped.nc
> >>
> >> there are two other services supported for this dataset: OPeNDAP and a
> >> straight HTTP service. The netCDF-Java library can open this dataset using
> >> either of those services (OPeNDAP, the first link below, should be
> >> preferred
> >> for performance reasons):
> >>
> >> http://motherlode.ucar.edu:8080/thredds/dodsC/galeon/testdata/striped.nc
> >>
> >> http://motherlode.ucar.edu:8080/thredds/fileServer/galeon/testdata/striped.nc
> >>
> >> The dataset subsetting that was part of your WCS request (e.g.,
> >> "coverage=ta" and "time=..." and "bbox=...") will have to be handled with
> >> the netCDF-java API (either in index space or using GridDataset).
> >>
> >> Hope that helps,
> >>
> >> Ethan
> >>
> >> > Hi,
> >> > I am trying to acquire a netcdf file with java code and the library
> >> "netcdf
> >> > java library 4.2".
> >> > I wrote:
> >> > NetcdfDataset gid = NetcdfDataset.openDataset("
> >> >
> >> http://motherlode.ucar.edu:8080/thredds/wcs/galeon/testdata/striped.nc?request=GetCoverage&version=1.0.0&service=WCS&format=NetCDF3&coverage=ta&time=2005-05-10T00:00:00Z&bbox=-134,11,-47,57
> >> > ");
> >> > With my browser the URL works well, but when i execute the code i have
> >> an
> >> > error: "Content Lenght is not support"
> >> > ÂMay someone helps me?
> >> >
> >> > Thanks in advance and regards
> >> >
> >> >
> >> > --
> >> > ==============================================
> >> > Manuel Antonio Regueiro Seoane
> >> > Laboratorio de Sistemas
> >> > Instituto de InvestigaciÃns TecnolÃxicas - IIT
> >> > Universidade de Santiago de Compostela - USC
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: ANB-661794
> >> Department: Support netCDF Java
> >> Priority: Normal
> >> Status: Closed
> >>
> >>
> >
> >
> > --
> > ==============================================
> > Manuel Antonio Regueiro Seoane
> > Laboratorio de Sistemas
> > Instituto de InvestigaciÃns TecnolÃxicas - IIT
> > Universidade de Santiago de Compostela - USC
> > Tlf. 8818-16000 -- Correo-e: address@hidden
> >
> >
> >
> >
>
>
> --
> ==============================================
> Manuel Antonio Regueiro Seoane
> Laboratorio de Sistemas
> Instituto de InvestigaciÃns TecnolÃxicas - IIT
> Universidade de Santiago de Compostela - USC
> Tlf. 8818-16000 -- Correo-e: address@hidden
>
>
Ticket Details
===================
Ticket ID: ANB-661794
Department: Support netCDF Java
Priority: Normal
Status: Closed
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