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Re: value_locate.pro location in IDL library [message #50099 is a reply to message #50098]

Wed, 13 September 2006 19:12

wlandsman@jhu.edu
Messages: 12
Registered: September 2006

Junior Member

ZMY wrote:
> I am trying to use GDL to do some of my work and noticed it was
> reporting a missing function of value_locate(). I looked for this
> procedure/function in IDL library but can't find it, which is really
> strange to me, since a lot of functions seem to use it in IDL (e.g.
> mean()). Would any one tell me where I can find this function in the
> computer?
>

VALUE_LOCATE was introduced as an intrinsic IDL function in IDL V5.3,
but at the time Craig Markwardt wrote a clever non-intrinsic version
for backwards compatibility with pre-V5.3 IDL versions. It is still
available at

http://cow.physics.wisc.edu/~craigm/idl/down/value_locate.pr o

However, Craig's version uses SPL_INTERP so it will only work for you,
if GDL has implemented SPL_INTERP... (There are also slower
implementations that don't use SPL_INTERP.)

--Wayne

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[Message index]

		Re: value_locate.pro location in IDL library By: IDL_Newbie_2000 on Wed, 13 September 2006 22:57
		Re: value_locate.pro location in IDL library By: wlandsman@jhu.edu on Wed, 13 September 2006 19:12
		Re: value_locate.pro location in IDL library By: David Fanning on Wed, 13 September 2006 14:36
		Re: value_locate.pro location in IDL library By: badjelly.witch on Thu, 14 September 2006 20:38

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