RE: [Matplotlib-users] writing binary array to file

[Randy H. <he...@in...>]

Thanks much John & Perry!  Part of my confusion was the fact that I'm
using numarray on my laptop/Windows and Numeric on Linux... and I was in
a hurry... and general ignorance.  Anyway, thanks again.

Randy

> -----Original Message-----
> From: Perry Greenfield [mailto:pe...@st...]
> Sent: Thursday, April 08, 2004 1:48 PM
> To: John Hunter; Randy Heiland
> Cc: mat...@li...
> Subject: RE: [Matplotlib-users] writing binary array to file
> 
> John Hunter wrote:
> > Best is to use the binary string operations tostring and fromstring
> >
> >     from Numeric import fromstring, Float
> >     # write
> >     file('fname.out', 'wb').write(x.tostring())
> >
> >     # read
> >     x = fromstring(file('fname.out', 'rb').read(), Float)
> >
> >     #If data is MxN you'll need to reshape
> >     x.shape = M,N
> >
> > Hope this help,
> > JDH
> >
> 
> Note that numarray has a tofile method and a fromfile function
> to do this without going through the copying required by tostring
> and fromstring. Like those, it also doesn't save any shape or
> type info in the file.
> 
> Perry
>