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Re: Array indexing: what is IDL doing? [message #60729 is a reply to message #60722]

Fri, 06 June 2008 14:15

Jean H.
Messages: 472
Registered: July 2006

Senior Member

> cx = n_elements(wx)
> cy = n_elements(wy)
> nx = n_elements(bigarr[*,0])
> ind = transpose(rebin(wy,cy,cx))*nx + rebin(wx,cx,cy)
> res = bigarr[ind]

You don't have to use nx.
res = bigarr[rebin(bigx,75,10000),rebin(bigy,10000,75)]

Note that you must have the same number of elements in every subscripted
dimension.

Read http://www.dfanning.com/code_tips/asterisk.html

Jean

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[Message index]

		Re: Array indexing: what is IDL doing? By: Conor on Tue, 10 June 2008 07:16
		Re: Array indexing: what is IDL doing? By: Jean H. on Mon, 09 June 2008 10:12
		Re: Array indexing: what is IDL doing? By: Heinz Stege on Mon, 09 June 2008 08:34
		Re: Array indexing: what is IDL doing? By: Conor on Mon, 09 June 2008 06:02
		Re: Array indexing: what is IDL doing? By: Conor on Mon, 09 June 2008 05:56
		Re: Array indexing: what is IDL doing? By: Jeremy Bailin on Sat, 07 June 2008 06:12
		Re: Array indexing: what is IDL doing? By: Jean H. on Fri, 06 June 2008 14:15

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