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Getting array indices [message #62703]

Tue, 23 September 2008 13:23

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Sep 23, 12:53 pm, Jean H <jghas...@DELTHIS.ucalgary.ANDTHIS.ca>
wrote:
>> Here's a way to get verts:
>
>> sz = size(array)
>> nx = sz[0]
>> ny = sz[1]
>> nz = sz[2]
>> ns = sz[sz[0]+2]
>> verts = findgen(ns)
>
> Shouldn't it be indgen() ...
>
>> verts = transpose([ [verts mod nx], [verts/nx mod ny], [verts/nx/
>> ny] ])
>
>> BTW, I'd like to find a faster way, if there is one.
>
> what about this:
> print, array_indices(arr, indgen(ns))
>
> Jean

That takes about twice as long as the "MOD" method on my machine:
x86_64 Win32 Windows Microsoft Windows 7.0 Oct 25 2007 64 64

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