| Re: CALL_V1 in Wave? [message #940] |
Fri, 05 March 1993 08:56 |
pendleton
Messages: 17
Registered: February 1992
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Junior Member |
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In article <C3EwBw.B84@wm.estec.esa.nl>, guy@wmsg02.wm.estec.esa.nl (Guy Brooker) writes:
>> Does anyone know if the "CALL_V1" internal routine was carried over from
>> IDL to PV/Wave when they went their separate ways?
> I tried the follwoing in Wave 3.03 (the main post-split version), 3.1 and 4.01
> with no luck.
> WAVE> call_v1
> Is this how you might call it ? And what did it do infact ?
The CALL_V1 routine is an internal C routine in IDL which lets a LINKIMAGE-d
VMS routine call the IDL internal routines with "Version 1"-type descriptors.
This is not documented anywhere, as far as I know, and its use is generally
frowned upon. The accepted method these days is via the EZ* routines, which
use "Version 2" descriptors. Unfortunately, by the time the EZ routines came
along, we'd already invested a lot of time and effort in Version 1 calls.
------------------------------------------------------------ -------------------
Jim Pendleton, SysMgr
GRO/OSSE, Dept. Physics & Astronomy
Northwestern University
j-pendleton@nwu.edu (708) 491-2748
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