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Re: reading images with small # pixels but large # bands in ENVI [message #41796] Tue, 07 December 2004 08:13 Go to previous message
jnettle1 is currently offline  jnettle1
Messages: 27
Registered: January 2001
Junior Member
> No idea why it is hanging, but it wouldn't surprise me
> if a dimension of 1 was somehow involved. ENVI (I think)
> sometimes changes the interleaving of images for its own
> purposes. I imagine it does this with the TRANSPOSE command.
> I wouldn't be surprised to find this dimension dropped
> accidentally and for that to be at the heart of the problem.
>

I asked some colleagues that I thought had opened single column images
before in ENVI, and sure enough, they have. They've even done 1x1
images....so i tried a few 1x12 images with smaller number of bands and
they worked. 1x12x5000 worked but took a second, 1x12x10,000 took much
longer. I have a feeling you're right about ENVI doing some
transposing without telling me, but at this point I'm prepared to just
call the whole thing a "memory problem" and just move on. I seem to
recall a posting on your website about subscripting arrays taking tons
of memory, I wonder if that has anything to do with it. Thanks for
your help though.

Jeff

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