| Re: IDL Version Number Warning [message #61628] |
Fri, 25 July 2008 09:25 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Douglas Dirks writes:
> There are updates to the HDF, HDF5, and CDF libraries available,
> but they are downloaded and installed separately -- they don't come
> as part of the 7.0.3 workbench update. To get the library updates,
> you'll need to log in to the ITTVIS web site and navigate to the IDL
> product downloads page and look for the
>
> "IDL 7.0.3 Scientific Data Formats"
>
> patch installer for your platform. Note that there are only two
> changes to the API: the addition of the CDF_SET_MD5CHECKSUM
> routine and the addition of the READONLY keyword to the CDF_OPEN
> routine. All other changes to the libraries should be transparent to
> IDL code.
>
> Since the scientific data format libraries are third-party code and
> packaged in dynamically loadable modules, they can be updated
> separately from the IDL's core functions, and sometimes are.
OK, that makes (some) sense, I guess. But I've already
been confused, since I had no idea that the "update" didn't
update what I thought (and hoped) I was updating. (Not to
mention the trouble I have getting my sys admin guy to DO
the updates, only to have to go back to him now and explain
that we have to do it *again*!)
Doesn't having two nearly identical numbers to worry about
bother anyone at ITTVIS? Maybe you are used to thinking in
double precision already. But my head can hardly hold integers
these days. :-)
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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| Re: IDL Version Number Warning [message #61633 is a reply to message #61628] |
Fri, 25 July 2008 08:54  |
Douglas Dirks
Messages: 5
Registered: June 2008
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Junior Member |
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On Jul 24, 6:26 pm, David Fanning <n...@dfanning.com> wrote:
> My understanding was that part of these updates included
> new HDF and CDF code in IDL. Did these *not* get included
> in the update in the end?
There are updates to the HDF, HDF5, and CDF libraries available,
but they are downloaded and installed separately -- they don't come
as part of the 7.0.3 workbench update. To get the library updates,
you'll need to log in to the ITTVIS web site and navigate to the IDL
product downloads page and look for the
"IDL 7.0.3 Scientific Data Formats"
patch installer for your platform. Note that there are only two
changes to the API: the addition of the CDF_SET_MD5CHECKSUM
routine and the addition of the READONLY keyword to the CDF_OPEN
routine. All other changes to the libraries should be transparent to
IDL code.
Since the scientific data format libraries are third-party code and
packaged in dynamically loadable modules, they can be updated
separately from the IDL's core functions, and sometimes are.
If you have pro code that relies on a specific version of a third-
party
library like HDF or HDF5, in general you'd be much safer to use the
library's own version information mechanism. See
CDF_LIB_INFO
H5_GET_LIBVERSION
HDF_LIB_INFO
EOS_EH_GETVERSION
in the help if you're specifically interested in the recently updated
libraries. (I'm not aware of a way to check the version of the NetCDF
library from within IDL.)
I hope that's helpful,
Doug
----------------
Douglas G. Dirks
IDL Documentation Group * ITT Visual Information Solutions
4990 Pearl East Circle * Boulder, CO 80301
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| Re: IDL Version Number Warning [message #61634 is a reply to message #61633] |
Fri, 25 July 2008 08:51 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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David Fanning writes:
> My understanding was that part of these updates included
> new HDF and CDF code in IDL. Did these *not* get included
> in the update in the end?
In investigating this more this morning, I find that the
scientific data updates are in a *separate* download on
the ITTVIS web site. These are NOT installed as part of the
IDL 7.0.3 Workbench update.
Unfortunately, I don't know how to install the scientific
data updates, because the link to the installation instructions
(for Windows, anyway) is broken. :-(
Can anyone shed light on this?
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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| Re: IDL Version Number Warning [message #61650 is a reply to message #61634] |
Thu, 24 July 2008 17:26 |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Douglas Dirks writes:
> IDL Workbench updates (like 7.0.3) affect only
> the Eclipse-based development environment. At
> present, ITT VIS doesn't have a way for a Workbench
> update to modify any part of IDL's core -- routines
> that are "internal" to IDL (like FFT) or routines
> written in .pro code and contained in IDL's lib directory.
>
> Any time IDL's core changes, the value of !VERSION
> changes. The version number in the "About IDL Workbench"
> dialog (Help->About IDL Workbench) reflects only
> the version of the set of Eclipse plugins that comprise
> the IDL Workbench.
My understanding was that part of these updates included
new HDF and CDF code in IDL. Did these *not* get included
in the update in the end?
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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| Re: IDL Version Number Warning [message #61651 is a reply to message #61650] |
Thu, 24 July 2008 17:01 |
Douglas Dirks
Messages: 5
Registered: June 2008
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Junior Member |
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IDL Workbench updates (like 7.0.3) affect only
the Eclipse-based development environment. At
present, ITT VIS doesn't have a way for a Workbench
update to modify any part of IDL's core -- routines
that are "internal" to IDL (like FFT) or routines
written in .pro code and contained in IDL's lib directory.
Any time IDL's core changes, the value of !VERSION
changes. The version number in the "About IDL Workbench"
dialog (Help->About IDL Workbench) reflects only
the version of the set of Eclipse plugins that comprise
the IDL Workbench.
I hope that helps,
Doug
----------------
Douglas G. Dirks
IDL Documentation Group * ITT Visual Information Solutions
4990 Pearl East Circle * Boulder, CO 80301
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