On 12/12/2013 1:27 PM, Kyle Wilcox wrote:
I have two files where the only difference is the variable type of the
"feature_type_instance" variable.
When using a Char array, it works just fine.
When using a String, NCJ fails to find a StructureRecord:
java.lang.IllegalStateException: Cant find Structure record
  at
ucar.nc2.ft.point.standard.Table$TableStructure.<init>(Table.java:253)
  at ucar.nc2.ft.point.standard.Table.factory(Table.java:110)
  at
ucar.nc2.ft.point.standard.NestedTable.<init>(NestedTable.java:98)
  at
ucar.nc2.ft.point.standard.TableAnalyzer.analyze(TableAnalyzer.java:406)
  at
ucar.nc2.ft.point.standard.TableAnalyzer.factory(TableAnalyzer.java:294)
  at
ucar.nc2.ft.point.standard.PointDatasetStandardFactory.isMine(PointDatasetStandardFactory.java:114)
  at
ucar.nc2.ft.FeatureDatasetFactoryManager.wrap(FeatureDatasetFactoryManager.java:272)
  at
ucar.nc2.ft.FeatureDatasetFactoryManager.open(FeatureDatasetFactoryManager.java:243)
You can try loading each file into the FeatureTypes/PointFeature tab
to see the stacktrace from the String file (I've attached them).
Based on CF docs
(http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.6/cf-conventions.html#coordinates-metadata)
it states:
"The variable carrying the cf_role attribute may have any data type."
Is this a bug in NCJ?
Thanks,
Kyle
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Hi Kyle:
CF only deals with classic netcdf data model, which doesnt have Strings.
However, the CDM deals with the extended model wherever possible, so
yes, i think this is a bug and we'll get it fixed.
John
