HDF-SDS Read Error

Don Hooper hoop at COLORADO.EDU
Thu Apr 13 09:16:55 EDT 2006


Ajayan,

I'm not an expert in "dtype hdfsds"-style DDFs, but, I'm thinking that
the "99"s in the lines between "VARS" and "ENDVARS" should change to:
        scan,longitude,latitude
in both cases.  Just a thought....

-Hoop
> From owner-gradsusr at LIST.CINECA.IT  Thu Apr 13 06:34:18 2006
>
> I have used the following descriptor file to open an HDF file
> using gradshdf (GrADSVersion 1.9b4 in FC3) using open <file.ddf>.
>
> I get the error HDF-SDS Read Error for dtype FLOAT32.
>
> Any idea, about where I am going wrong? Any other suggestion to open
> this file in Grads?
>
> DSET ^3B42.980101.3.6.HDF
> DTYPE hdfsds
> TITLE This is only a test
> UNDEF -9999.90
> XDEF 1440 LINEAR   0.12500000 0.25000000
> YDEF  400 linear -49.87500000 0.25000000
> ZDEF 1 LEVELS 1000
> TDEF 1 LINEAR 03:06Z01jan1998 3hr
> VARS 2
> precipitation=>pcp    0  99 Precipitation
> relativeError=>error  0  99 Error
> ENDVARS
>
>
> The HDF file used is
> ftp://disc2.nascom.nasa.gov/data/s4pa/TRMM_L3/TRMM_3B42/1998/001/3B42.980101.3.6.HDF.Z
>
> best,
> Ajayan



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