xdfopen... again!!

Don Hooper hoop at COLORADO.EDU
Tue Jul 18 13:38:15 EDT 2006


Marco Jusevicius,

I missed something in your original post the first time:  the complaint
from udunits about syntax.  Please show the HDF-style ncdump output for
the Local_Hour variable.  I need to see the value of the units attribute
for it.

Thanks,
-Hoop
> From owner-gradsusr at LIST.CINECA.IT  Tue Jul 18 11:06:45 2006
> From: Marco Jusevicius <marco at SIMEPAR.BR>
>
> Hi Don.
>
> Previously, I've tried to set the parameter Local_Hour as z coordinate
> instead of t coordinate but it does not works as well. After that, i
> just forgot to modify that value again.
>
> Now I tried again with this file:
>
> DSET ^/home/marco/lis/dados/LISOTD_LRDC_v1.0.hdf
> TITLE Teste de leitura de hdf
> XDEF Longitude 144 LINEAR -178.75 2.5
> YDEF Latitude 72 LINEAR -88.75 2.5
> TDEF Local_Hour 24 LINEAR 00Z01JAN1996 1hr
> vars 1
> LRDC_COM_FR=>flrt   1 99 Combined Flash Rate Climatology
> endvars
>
> and I had the same error that I wrote yestersday.
>
> Marco.
>
>
> Don Hooper wrote:
>
> >Marco Jusevicius,
> >
> >Why does your variable record (between "VARS" and "ENDVARS") say that
> >the data variable has 24 levels?
> >
> >-Hoop
> >
> >
> >>From owner-gradsusr at LIST.CINECA.IT  Mon Jul 17 15:25:34 2006
> >>From: Marco Jusevicius <marco at SIMEPAR.BR>
> >>
> >>Hi everybody.
> >>
> >>I'm trying to open an hdf file using xdfopen.
> >>I've tried to follow the instructions but it doesn't works.
> >>The results were:
> >>
> >>gradshdf
> >>Grid Analysis and Display System (GrADS) Version 1.8SL11
> >>Copyright (c) 1988-2001 by Brian Doty
> >>Center for Ocean-Land-Atmosphere Studies
> >>Institute for Global Environment and Society
> >>All Rights Reserved
> >>Config: v1.8SL11 32-bit little-endian readline sdf/xdf hdf-sds lats
> >>printim
> >>Issue 'q config' command for more information.
> >>Landscape mode? (no for portrait):
> >>GX Package Initialization: Size = 11 8.5
> >>ga-> xdfopen le_LRDC.ctl
> >>Scanning Descriptor File:  le_LRDC.ctl
> >>udunits(3): syntax error:
> >>-
> >> ^
> >>udunits(3): syntax error:
> >>-
> >> ^
> >>Alleged time dimension (from TDEF) is not an SDF dimension.  Cannot continue.
> >>Time dimension name is:
> >>Local_Hour
> >>.
> >>Data file /home/marco/lis/dados/LISOTD_LRDC_v1.0.hdf was not successfully
> >>opened & parsed
> >>
> >>My ctl file :
> >>
> >>DSET ^/home/marco/lis/dados/LISOTD_LRDC_v1.0.hdf
> >>TITLE Teste de leitura de hdf
> >>XDEF Longitude 144 LINEAR -178.75 2.5
> >>YDEF Latitude 72 LINEAR -88.75 2.5
> >>TDEF Local_Hour 24 LINEAR 00Z01JAN1996 1hr
> >>vars 1
> >>LRDC_COM_FR=>flrt   24 99 Combined Flash Rate Climatology
> >>endvars
> >>
> >>The result of hdf ncdump applied to the hdf file :
> >>
> >>netcdf LISOTD_LRDC_v1.0 {
> >>dimensions:
> >>        Latitude = 72 ;
> >>        Longitude = 144 ;
> >>        Local_Hour = 24 ;
> >>        DE_By_Threshold = 3 ;
> >>        DE_Local_Hour = 24 ;
> >>        DE_Latitude = 72 ;
> >>        DE_Longitude = 144 ;
> >>
> >>variables:
> >>        float LRDC_COM_FR(Latitude, Longitude, Local_Hour) ;
> >>                LRDC_COM_FR:valid_range = 0.f, 0.023581842f ;
> >>                LRDC_COM_FR:long_name = "Combined Flash Rate Climatology" ;
> >>                LRDC_COM_FR:units = "Flashes/km^2/hour" ;
> >>                LRDC_COM_FR:_FillValue = 0.f ;
> >>
> >>.....
> >>data:
> >>
> >> Local_Hour = 0.5 , 1.5 , 2.5 , 3.5 , 4.5 , 5.5 , 6.5 , 7.5 , 8.5 , 9.5 ,
> >>    10.5 , 11.5 , 12.5 , 13.5 , 14.5 , 15.5 , 16.5 , 17.5 , 18.5 , 19.5 ,
> >>    20.5 , 21.5 , 22.5 , 23.5  ;
> >>
> >>Any ideas about these problems?
> >>
> >>Thanks in advance.
> >>
> >>Marco Jusevicius
> >>SIMEPAR - Brazil



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