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Re: 20040224: Hyperslab I/O of Varying Size: use of IMAP argument

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  • Subject: Re: 20040224: Hyperslab I/O of Varying Size: use of IMAP argument
  • Date: Tue, 24 Feb 2004 10:52:38 -0700
Ben,

>Date: Tue, 24 Feb 2004 11:25:32 -0600
>From: Ben Howell <address@hidden>
>Organization: University of Wisconsin, Madison/SSEC
>To: Steve Emmerson <address@hidden>
>Subject: Re: 20040224: Hyperslab I/O of Varying Size: use of IMAP argument
> Keywords: 200402181846.i1IIkk2N001457


The above message contained the following:

> I think you have pointed out the real problem, i.e. the definition of 
> "slat".
> I think that I need to use "nf_get_varm_real" to read the 2-dimensional 
> array
> "dlat"(1200 x 600) instead of the "call ncvgt(...)".
> 
> Here's what I tried, but "nf_get_varm_real" returned a bad status and 
> the program stopped:
>          START(1)=1
>          COUNT(1)=NLONS   ! NLONS=600
>          START(2)=1
>          COUNT(2)=NLATS   ! NLATS=250
>      IMAP(1)=MAXELEMS  ! MAXELEMS=1200
>      
> C ...    24FEB04, as suggested by Steve Emmerson(Unidata):
>          IMAP(2)=1      ! element count between 2nd index increments
>      
> C ...    23FEB04:
>          IRET=NF_GET_VARM_REAL(IDCDF,IDLAT,START,COUNT,
>      *   STRIDE,IMAP,DLAT)     
> 
> ccccc      call NCVGT(IDCDF, idlat, start, count, dlat, IRET)
>       if(IRET.ne.0)stop 'Error getting dlat'

I need to back-up.  Looking over your code is just confusing me.

Please send me the output from an "ncdump -h" of the netCDF from which
your program reads the "slat" values.

Regards,
Steve Emmerson