| *.cdf files [message #24279] |
Mon, 26 March 2001 00:32  |
Martin Leitner
Messages: 1
Registered: March 2001
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Junior Member |
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Hello
Does anyone know good literature or good web sides about how to work on
cdf files with IDL?
greetings
Martin Leitner
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| Re: *.cdf files [message #24351 is a reply to message #24279] |
Mon, 26 March 2001 20:10  |
robert.m.candey.1[2]
Messages: 11
Registered: May 1999
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Junior Member |
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In article <985643230.221981@clam-ext>,
"Mark Hadfield" <m.hadfield@niwa.cri.nz> wrote:
> "Reimar Bauer" <r.bauer@fz-juelich.de> wrote in message
> news:3ABF9CB7.67606E21@fz-juelich.de...
>> Martin Leitner wrote:
>>>
>>> Hello
>>> Does anyone know good literature or good web sides about how to work on
>>> cdf files with IDL?
>>> greetings
>>> Martin Leitner
>>
>>
>> Dear Martin,
>>
>> I have written a publication how we use the cdf format netCDF.
>
> Yes, but netCDF and CDF are not the same thing. They *are* kind of similar
> (in that they're binary data formats intended for storing array data) but
> there are lots of differences, notably in the way dimensions are handled.
>
> I haven't use CDF for several years, but I imagine the best source of
> information is still the WWW site:
>
> http://nssdc.gsfc.nasa.gov/cdf/
>
> Warning: One of the reasons I quit using CDF was that on IDL for Windows
> there was a nasty (and utterly unnecessary) 64 kB limit on the size of data
> retrievals. I think it may still be there.
>
> ---
> Mark Hadfield
> m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield
> National Institute for Water and Atmospheric Research
I believe the memory limits on PCs were removed in CDF 2.5.
Also see <http://nssdc.gsfc.nasa.gov/spdf/sp_use_of_cdf.html> for pointers to
useful CDF tools, including CDAWlib in IDL. I'll be glad to answer other
questions as well.
--
Robert.M.Candey@gsfc.nasa.gov 1-301-286-6707 (286-1771 fax)
NASA Goddard Space Flight Center, Code 632
Greenbelt MD 20771 USA <http://nssdc.gsfc.nasa.gov/personnel/rcandey/>
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| Re: *.cdf files [message #24357 is a reply to message #24279] |
Mon, 26 March 2001 13:35 |
Mark Hadfield
Messages: 783
Registered: May 1995
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Senior Member |
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"Reimar Bauer" <r.bauer@fz-juelich.de> wrote in message
news:3ABF9CB7.67606E21@fz-juelich.de...
> Martin Leitner wrote:
>>
>> Hello
>> Does anyone know good literature or good web sides about how to work on
>> cdf files with IDL?
>> greetings
>> Martin Leitner
>
>
> Dear Martin,
>
> I have written a publication how we use the cdf format netCDF.
Yes, but netCDF and CDF are not the same thing. They *are* kind of similar
(in that they're binary data formats intended for storing array data) but
there are lots of differences, notably in the way dimensions are handled.
I haven't use CDF for several years, but I imagine the best source of
information is still the WWW site:
http://nssdc.gsfc.nasa.gov/cdf/
Warning: One of the reasons I quit using CDF was that on IDL for Windows
there was a nasty (and utterly unnecessary) 64 kB limit on the size of data
retrievals. I think it may still be there.
---
Mark Hadfield
m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield
National Institute for Water and Atmospheric Research
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