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20050810: IDV - Throwing exception with a Vis5D topo file

>From: "Steve Aulenbach" <address@hidden>
>Organization: NCAR/CGD
>Keywords: 200508101748.j7AHm6KJ017653 IDV Vis5D topo file

Hi Steve-

>Institution: NCAR
>Package Version: 1.2RC1
>Operating System: OSX 10.3.9
>Hardware Information: Dual 1.8 Ghz PowerPC G5, 2 GB DDR SDRAM
>Inquiry: Produced a \"valid\" .topo file with Vis5D maketopo. It is attached. 
> The Vis5D program topoinfo returns this:
>
>0[252]0 bangkok:~/acmeVis5D/vis5d+-1.2.1/util > topoinfo acme.topo
>Topo file: acme.topo
>North bound: 38.5572 deg
>South bound: 41.4877 deg
>West bound: -107.495 deg
>East bound: -103.605 deg
>Rows: 109
>Columns: 109
>min height: 1296 meters
>max height: 4044 meters
>% water flags: 0

A couple of points about this file.  Your north bound is less than your
south bound.  Vis5D uses positive west longitudes, so the values should be:

North bound: 41.4877 deg
South bound: 38.5572 deg
West bound: 107.495 deg
East bound: 103.605 deg

>
>IDV does not like acme.topo. Opening it as a Vis5D file throws the following e
> xception:

Thanks for finding this bug.  A change was made between the 1.2b2 and 1.2RC1
versions that broke this.

>visad.VisADException: FieldImpl.extract: range must be a TupleType
>       at visad.FieldImpl.extract(FieldImpl.java:1373)
>       at ucar.unidata.data.grid.GridUtil.extractParam(GridUtil.java:1653)
>       at ucar.unidata.data.grid.Vis5DDataSource.getField(Vis5DDataSource.java
> :291)
>       at ucar.unidata.data.grid.Vis5DDataSource.getDataInner(Vis5DDataSource.
> java:216)
>       at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:1273)
>       at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:316
> )
>       at ucar.unidata.data.DataChoice.getData(DataChoice.java:521)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:204)
>       at ucar.unidata.data.DataInstance.getData(DataInstance.java:169)
>       at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:1
> 75)
>       at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java
> :138)
>       at ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridD
> isplayControl.java:215)
>       at ucar.unidata.idv.control.DisplayControlImpl.setData(DisplayControlIm
> pl.java:2186)
>       at ucar.unidata.idv.control.PlanViewControl.setData(PlanViewControl.jav
> a:388)
>       at ucar.unidata.idv.control.PlanViewControl.init(PlanViewControl.java:3
> 05)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:951)
>       at ucar.unidata.idv.control.DisplayControlImpl.init(DisplayControlImpl.
> java:796)
>       at ucar.unidata.idv.ControlDescriptor.initControl(ControlDescriptor.jav
> a:741)
>       at ucar.unidata.idv.ControlDescriptor$1.run(ControlDescriptor.java:699)
>       at ucar.unidata.util.Misc$2.run(Misc.java:778)

I've fixed it for the 1.2 release, so when that comes out on Friday, you
should be all set.  If you'd like to try it earlier, let me know.

You'll still need to fix the lats/lons in your file.  If you make a
new one and want me to try it before the release, let me know.

Don
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