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[IDV #WAO-360515]: IDV - Error when trying to create display with DEM file

Hi Mark-

> The file format should be a USGS type, but I am not entirely sure.
> It was downloaded from:
> http://edc.usgs.gov/products/elevation/gtopo30/w140n40.html
> I downloaded the compressed file W140N40
> <http://edcftp.cr.usgs.gov/pub/data/gtopo30/global/w140n40.tar.gz> from
> the website.

This is the GTOPO30 format which is different from the USGS DEM
format we support.  We hope to add a reader for this format at
some point in the future, but don't have a timeline for that.

You can get a similiar dataset (2 minute vs 30 arcsecond) dataset
from the following location:

http://www.ngdc.noaa.gov/mgg/gdas/gd_designagrid.html

and saving it as a ASCII Raster format.  The IDV can read
that format.

Don Murray


> Mark
> 
> 
> 
> Unidata IDV Support wrote:
> 
> >Hi Mark-
> >
> >
> >
> >>Institution: Contractor
> >>Package Version: 2.0RC3
> >>Operating System: os.name:Windows 2000; os.arch:x86; os.version:5.0;
> >>Hardware Information: java.vendor:Sun Microsystems Inc.; 
> >>java.version:1.5.0_06; java.home:C:\\Program Files\\IDV_2.0RC3\\jre; 
> >>j3d.version:1.4.0 fcs (build11); j3d.vendor:Sun Microsystems, Inc.; 
> >>j3d.renderer:OpenGL;
> >>Inquiry: Hi,
> >>I am getting an error when I try to display a DEM file.
> >>Below is the command window output.
> >>Any help would be appreciated.
> >>
> >>
> >
> >What is the format of the file?  We only handle Arc ASCIIGrid files
> >and USGS DEM formats.  If it is one of those formats, please send
> >a sample file so I can test our adapter.
> >
> >Don Murray
> >
> >
> >
> >>Thanks for your time,
> >>Mark
> >>
> >>An error has occurred:
> >>Reading DEM: C:\MM5_Fortran project\IDV\Data\W140N40.DEM
> >>Data object "C:\MM5_Fortran project\IDV\Data\W140N40.DEM" not compatible 
> >>with "dem" data family
> >>
> >>Command output:
> >>
> >>
> >>C:\Program Files\IDV_2.0RC3>jre\bin\java -Xmx512m 
> >>-Dapplication.enableStereo=fal
> >>se -jar idv.jar
> >>ERROR: An error has occurred:
> >>Reading DEM: C:\MM5_Fortran project\IDV\Data\W140N40.DEM
> >>Data object "C:\MM5_Fortran project\IDV\Data\W140N40.DEM" not compatible 
> >>with "dem" data family
> >>visad.data.BadFormException: Data object "C:\MM5_Fortran 
> >>project\IDV\Data\W140N40.DEM" not compatibl
> >>e with "dem" data family
> >>at visad.data.FunctionFormFamily.open(FunctionFormFamily.java:444)
> >>at ucar.unidata.data.gis.DemDataSource.makeDemData(DemDataSource.java:208)
> >>at ucar.unidata.data.gis.DemDataSource.getDataInner(DemDataSource.java:161)
> >>at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:1421)
> >>at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:316)
> >>at ucar.unidata.data.DataChoice.getData(DataChoice.java:526)
> >>at ucar.unidata.data.DataInstance.getData(DataInstance.java:216)
> >>at ucar.unidata.data.DataInstance.getData(DataInstance.java:181)
> >>at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:182)
> >>at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:144)
> >>at 
> >>ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:22
> >>0)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.jav
> >>a:2584)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:2566)
> >>at 
> >>ucar.unidata.idv.control.TopographyControl.setData(TopographyControl.java:133)
> >>at 
> >>ucar.unidata.idv.control.TopographyControl.init(TopographyControl.java:118)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1100)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:886)
> >>at 
> >>ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:863)
> >>at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:793)
> >>at ucar.unidata.util.Misc$2.run(Misc.java:924)
> >>
> >>
> >>
> >>******************
> >>Stack trace:
> >>visad.data.BadFormException: Data object "C:\MM5_Fortran 
> >>project\IDV\Data\W140N40.DEM" not compatible with "dem" data family
> >>at visad.data.FunctionFormFamily.open(FunctionFormFamily.java:444)
> >>at ucar.unidata.data.gis.DemDataSource.makeDemData(DemDataSource.java:208)
> >>at ucar.unidata.data.gis.DemDataSource.getDataInner(DemDataSource.java:161)
> >>at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:1421)
> >>at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:316)
> >>at ucar.unidata.data.DataChoice.getData(DataChoice.java:526)
> >>at ucar.unidata.data.DataInstance.getData(DataInstance.java:216)
> >>at ucar.unidata.data.DataInstance.getData(DataInstance.java:181)
> >>at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:182)
> >>at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:144)
> >>at 
> >>ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:220)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:2584)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlImpl.java:2566)
> >>at 
> >>ucar.unidata.idv.control.TopographyControl.setData(TopographyControl.java:133)
> >>at 
> >>ucar.unidata.idv.control.TopographyControl.init(TopographyControl.java:118)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:1100)
> >>at 
> >>ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.java:886)
> >>at 
> >>ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.java:863)
> >>at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:793)
> >>at ucar.unidata.util.Misc$2.run(Misc.java:924)
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >Ticket Details
> >===================
> >Ticket ID: WAO-360515
> >Department: Support IDV
> >Priority: Normal
> >Status: Open
> >
> >
> >
> >
> 
> 


Ticket Details
===================
Ticket ID: WAO-360515
Department: Support IDV
Priority: Normal
Status: Open