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[IDV #VVG-632378]: Unable to view IDV KML in Google Earth

Greetings John,

Would you mind uploading the GRIB file?

http://motherlode.ucar.edu/repository/alias/idvupload

Don't worry about filling out any of the information - I'll
be looking for it. Just make sure to upload the file using
the "Choose File" button shown next to the Resources
input.

Also, when dealing with WRF output, it's best to
post-process the data in order to destagger the grids.
The IDV can handle the staggered grids, but it increases
the computation time due to the interpolation that needs
to occur.

Cheers,

Sean

> Classification: UNCLASSIFIED
> Caveats: NONE
> 
> Yuan -
> 
> We tested the fix last week and it works fine, however, while testing we found
> another problem.
> 
> I can't seem to display certain GRIB files from the Air Force WRF model.
> Filename is us057g1011t48b180000000.grb
> 
> Could you help with this problem?
> 
> The error dialog is as follows:
> 
> IDV 4.0u2
> 
> There was an error loading the data:
> java.lang.NullPointerException
> 
> Java.lang.NullPointerException
> at java.lang.String.compareTo(Unknown Source)
> at ucar.nc2.grib.VertCoord$1.compare(VertCoord.java:62)
> at ucar.nc2.grib.VertCoord$1.compare(VertCoord.java:60)
> at java.util.Arrays.mergeSort(Unknown Source)
> at java.util.Arrays.mergeSort(Unknown Source)
> at java.util.Arrays.mergeSort(Unknown Source)
> at java.util.Arrays.mergeSort(Unknown Source)
> at java.util.Arrays.sort(Unknown Source)
> at java.util.Collections.sort(Unknown Source)
> at ucar.nc2.grib.VertCoord.assignVertNames(VertCoord.java:60)
> at ucar.nc2.grib.grib1.Grib1Iosp.addGroup(Grib1Iosp.java:211)
> at ucar.nc2.grib.grib1.Grib1Iosp.open(Grib1Iosp.java:159)
> at ucar.nc2.NetcdfFile.<init>(NetcdfFile.java:1494)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:786)
> at ucar.nc2.NetcdfFile.open(NetcdfFile.java:395)
> at ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:687)
> at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:418)
> at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:513)
> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:104)
> at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:90)
> at
> ucar.unidata.data.grid.GeoGridDataSource.doMakeDataSet(GeoGridDataSource.java:1113)
> at
> ucar.unidata.data.grid.GeoGridDataSource.getDataset(GeoGridDataSource.java:1135)
> at
> ucar.unidata.data.grid.GeoGridDataSource.initAfterCreation(GeoGridDataSource.java:499)
> at ucar.unidata.data.DataManager.createDataSource(DataManager.java:1597)
> at
> ucar.unidata.idv.IntegratedDataViewer.createDataSource(IntegratedDataViewer.java:1980)
> at
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1897)
> at
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1831)
> at
> ucar.unidata.idv.IntegratedDataViewer.makeDataSource(IntegratedDataViewer.java:1804)
> at ucar.unidata.idv.chooser.IdvChooser.makeDataSource(IdvChooser.java:943)
> at
> ucar.unidata.idv.chooser.FileChooser.selectFilesInner(FileChooser.java:656)
> at ucar.unidata.idv.chooser.FileChooser.selectFiles(FileChooser.java:525)
> at ucar.unidata.idv.chooser.FileChooser.doLoadInThread(FileChooser.java:547)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at ucar.unidata.util.Misc$2.run(Misc.java:1223)
> at ucar.unidata.util.Misc$3.run(Misc.java:1251)
> 
> 
> -----Original Message-----
> From: Unidata IDV Support [mailto:address@hidden]
> Sent: Thursday, April 25, 2013 2:54 PM
> To: Raby, John W CIV USARMY ARL (US)
> Cc: address@hidden; Flanigan, Robert T CIV (US); Raby, Yasmina R
> CTR USARMY ARL (US); Johnson, Jeffrey O CIV (US)
> Subject: [IDV #VVG-632378]: Unable to view IDV KML in Google Earth
> 
> John,
> 
> We believe we have a fix. Please download and test the nightly build tomorrow
> with the fix.
> 
> http://www.unidata.ucar.edu/downloads/idv/nightly/index.jsp
> 
> Best Wishes,
> 
> Unidata IDV Support
> 
> > Yuan -
> >
> > Thanks for the update. Will be happy to conduct testing if you want.
> > R/
> > John
> >
> > ________________________________________
> > From: Unidata IDV Support [address@hidden]
> > Sent: Thursday, April 25, 2013 2:15 PM
> > To: Raby, John W CIV USARMY ARL (US)
> > Cc: address@hidden; Flanigan, Robert T CIV (US); Raby,
> > Yasmina R CTR USARMY ARL (US); Johnson, Jeffrey O CIV (US)
> > Subject: [IDV #VVG-632378]: Unable to view IDV KML in Google Earth
> >
> > > > Yuan -
> > > >
> > > > I tried two times to upload, but get the error shown in the attached.
> > > > I've attached the file to this email.
> > > >
> > > > R/
> > > > John
> > > >
> > >
> > > Got it, I will take a look.
> > >
> > >
> > > Yuan
> >
> > I see the problem, we will fix this asap.
> >
> >
> > Yuan
> > > > ________________________________________
> > > > From: Unidata IDV Support [address@hidden]
> > > > Sent: Thursday, April 25, 2013 10:11 AM
> > > > To: Raby, John W CIV USARMY ARL (US)
> > > > Cc: address@hidden; Flanigan, Robert T CIV (US);
> > > > Raby, Yasmina R CTR USARMY ARL (US); Johnson, Jeffrey O CIV (US)
> > > > Subject: [IDV #VVG-632378]: Unable to view IDV KML in Google Earth
> > > >
> > > > > Classification: UNCLASSIFIED
> > > > > Caveats: NONE
> > > > >
> > > > > Yuan -
> > > > >
> > > > > Thanks for your reply. Would it help you if I attached the KML
> > > > > file which contains the problem longitude and another KML file
> > > > > which has been corrected to properly render in GE Pro so you can see
> > > > > the difference?
> > > > >
> > > > > I am planning to conduct a test of your suggested workaround,
> > > > > but that may take me a little time.
> > > > >
> > > > > R/
> > > > > John
> > > >
> > > > If you can upload a sample file (grid file, not kml), it certainly
> > > > helps.
> > > >
> > > > http://motherlode.ucar.edu/repository/alias/idvupload
> > > >
> > > >
> > > > Yuan
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: Unidata IDV Support [mailto:address@hidden]
> > > > > Sent: Thursday, April 25, 2013 9:58 AM
> > > > > To: Raby, John W CIV USARMY ARL (US)
> > > > > Cc: address@hidden; Flanigan, Robert T CIV (US);
> > > > > Raby, Yasmina R CTR USARMY ARL (US)
> > > > > Subject: [IDV #VVG-632378]: Unable to view IDV KML in Google
> > > > > Earth
> > > > >
> > > > > > I cannot visualize images captured using IDV in Google Earth
> > > > > > Pro (V7.1.0.8015). The KML files produced by IDV contain
> > > > > > longitude values exceeding 180 degrees which causes the failure in
> > > > > > Google Earth Pro.
> > > > > > Conducted a test to assure that I used the procedure for
> > > > > > capturing KML files per the User's Guide, by executing
> > > > > > "Projections>Use displayed area" before "View>Capture>Image".
> > > > > > Please contact me regarding the resolution of this problem.
> > > > > >
> > > > > > Thanks.
> > > > > >
> > > > > > John Raby
> > > > > >
> > > > > > U.S. Army Research Laboratory
> > > > > > White Sands Missile Range, NM 88002
> > > > > > (575) 678-2004
> > > > > >
> > > > > >
> > > > > Hi John,
> > > > > I don't have any dataset with longitude 0 to 360. Otherwise, I
> > > > > would reproduce your problem locally and get better understand of the
> > > > > issue .
> > > > > One option is to call the Formula > Grid > Define a grid
> > > > > diagnostic, and type lonFlip(a). This lonFlip can flip
> > > > > longitudes in a grid from 0 - 360 to -180-180 if the grid is in cyclic
> > > > > rectilinear grids.
> > > > >
> > > > > Let us know if this can help.
> > > > >
> > > > >
> > > > > Yuan
> > > > >
> > > > > Ticket Details
> > > > > ===================
> > > > > Ticket ID: VVG-632378
> > > > > Department: Support IDV
> > > > > Priority: Normal
> > > > > Status: Open
> > > > >
> > > > >
> > > > > Classification: UNCLASSIFIED
> > > > > Caveats: NONE
> > > > >
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > Ticket Details
> > > > ===================
> > > > Ticket ID: VVG-632378
> > > > Department: Support IDV
> > > > Priority: Normal
> > > > Status: Open
> > > >
> > > >
> > > >
> > >
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: VVG-632378
> > Department: Support IDV
> > Priority: Normal
> > Status: Open
> >
> >
> 
> 
> Ticket Details
> ===================
> Ticket ID: VVG-632378
> Department: Support IDV
> Priority: Normal
> Status: Closed
> 
> 
> Classification: UNCLASSIFIED
> Caveats: NONE
> 
> 
> 
> 

Ticket Details
===================
Ticket ID: VVG-632378
Department: Support IDV
Priority: High
Status: Open