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Re: GMT generated netCDF grid files and IDL [message #1112]

Thu, 05 August 1993 11:29

xm9
Messages: 2
Registered: March 1993

Junior Member

In article <23r8mq$a1r@skates.gsfc.nasa.gov> philip@denali.gsfc.nasa.gov (Philip Richardson) writes:
>
> Does anybody have a program to read in GMT generated netCDF
> files into IDL? I am having a heck of a time with this. Suggestions are welcome.

I, too, had the devil's own time using netCDF files with pv-wave.
My conclusion is that it is not worth the effort to make a
generalized netCDF reader because this format is extensible, and can
vary from file to file. What I resorted to was using GMT routines
which can fetch the parts I want, and then wrote the result to a
fixed-format binary file that was readable by pv-wave scripts I had
written. I used a header structure to copy the corresponding
netCDF/GMT header info, but came up against a real weird thing on
our HP 7xx's: the code I wrote insisted on sticking extra bytes into
the header if doubles followed long integers. Since I wanted to
stick with the header that GMT generated, I simply stuck the extra
bytes to match this. Be warned if you use an HP, too. BTW, I
programmed in C.

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		Re: GMT generated netCDF grid files and IDL By: xm9 on Thu, 05 August 1993 11:29
		Re: GMT generated netCDF grid files and IDL By: frank on Wed, 11 August 1993 14:50

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