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| Re: Utilities for converting IDL4 handles to IDL5 pointers [message #15802 is a reply to message #15730] |
Fri, 11 June 1999 00:00  |
Liam Gumley
Messages: 473
Registered: November 1994
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Senior Member |
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Liam Gumley wrote:
> While converting IDL4 handles to IDL5 pointers in my SHARP application,
> I found it very useful to have pointer wrapper routines which behaved
> the same as the obsolete HANDLE_CREATE, HANDLE_FREE, and HANDLE_VALUE
> routines (type '? obsolete' at the IDL5 prompt for obsolete routine
> information). To assist others who may be converting from using handles
> to pointers, I've posted the wrapper routines at
>
> http://cimss.ssec.wisc.edu/~gumley/pointers.html
At the request of Craig Markwardt, I've modified the pointer utilities
so they can be used in IDL5 or IDL4. See the web page above for the
source code.
Cheers,
Liam.
PS: It was an interesting programming exercise figuring out how to avoid
having IDL4 encounter the IDL5 pointer dereference operator '*'.
--
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
http://cimss.ssec.wisc.edu/~gumley
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