| getting off the ground - mapping packages [message #12986] |
Tue, 29 September 1998 00:00  |
John Gash
Messages: 1
Registered: September 1998
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Junior Member |
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All,
I was wondering if anyone would have a pointer to IDL sources
(free or commercial) for various map importers/readers (DLG, TIGER,
VPF, AVHRR, ADRG, DOQ, DTED, DEM,...), projection conversion
packages, and datum conversion packages.
I'm currently evaluating RSI's ENVI and would like to get a feel for
alternate IDL solutions that are not such a black box as ENVI is.
Idealistically, the solution would be to have a set of modules that
can be integrated into an application. Also, I would like to hear from
others that have customized or integrated ENVI into there environment.
Second, I would like to be able to access some CORBA services I've
written.
This superficially seems obtainable through IDL's external call. The
drawback however is, I would like to be able to retain the client
object handle for subsequent calls. I don't know enough about how
a C/C++ object file is treated within an IDL application. Are
dynamically
allocated memory from an external C++ object still available from
call to call? If so then I would think, I can use a static attribute
to retain the CORBA object? Has anyone done this? Thoughts?
Thanks
John
--
John D. Gash, jgash3@llnl.gov,
Voice/925.422.0708, Fax/925.423.8274, B/170, R/1125
Recycles: LLNL PO Box 808 MS L-103, Livermore CA, 94550
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