[Numpy-discussion] striding through arbitrarily large files
sturla.molden at gmail.com
Tue Feb 4 19:14:19 EST 2014
RayS <rays at blue-cove.com> wrote:
> Thanks Daniele, I'll be trying mmap with Python64. With 32 bit the
> mmap method throws MemoryError with 2.5GB files...
> The idea is that we allow the users to inspect the huge files
> graphically, then they can "zoom" into regions of interest and then
> load a ~100 MB en block for the usual spectral analysis.
Transfer the file to Pytables, and you can zoom as you like.
Or use a recent Python so mmap actually has an offset argument.
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