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Re: extracting subarray (*,*,index) gives (1,1,index). WHY ??? [message #6887 is a reply to message #6881] Tue, 20 August 1996 00:00 Go to previous messageGo to previous message
a2652099 is currently offline  a2652099
Messages: 10
Registered: August 1996
Junior Member
In article <3219CC9A.53D7@neurologie.uni-duesseldorf.de>
knorr@neurologie.uni-duesseldorf.de (Uwe Knorr) wrote:

> i want to extract a line from a 3D image by doing
> line = image(*,*,z)

A line? Wouldn't that rather be image(a,b,*) ?

> i expect line to be a 1d vector with dimension dim(z)
> or to be more IDLish, i expect the following to hold
> size(line) == (z)
> but instead I get
> size(line) == (1,1,z)
> I hope you know what I mean.

If I do, I think using the REFORM command would help you, eg.
line = REFORM( image(a,b,*), z ),
where z is the 3rd dimension of your array. This converts your (1,1,z)
array into the (z) array.

Alex

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