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Re: working with raw image files

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Date Wed, 15 Jun 2011 01:24:15 +0100
From MRAB <python@mrabarnett.plus.com>
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On 15/06/2011 00:59, kafooster wrote:
> On 15 Cze, 00:06, MRAB<pyt...@mrabarnett.plus.com>  wrote:
>
>>
>> Yes. Something like this:
>>
>> fileobj = open("hand.raw", 'rb')
>> data = numpy.fromfile(fileobj, dtype=numpy.uint16)
>> fileobj.close()
>> data = data * float(0xFF) / float(0xFFFF)
>> data = numpy.array(data, dtype=numpy.uint8)
>> data = data.reshape((96, 470, 352))
>> imshow(data[:, :, 40], cmap='gray')
>> show()
>
> thank you very much, it works and now I can display this data even
> with Image.fromarray(). As I understand, it  multiplies data elements
> by a fraction, so that when we have less levels (in 8uint), it can fit
> there?

Correct.

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Thread

working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-13 11:18 -0700
  Re: working with raw image files Terry Reedy <tjreedy@udel.edu> - 2011-06-13 14:49 -0400
  Re: working with raw image files Wanderer <wanderer@dialup4less.com> - 2011-06-13 13:08 -0700
    Re: working with raw image files Wanderer <wanderer@dialup4less.com> - 2011-06-13 13:20 -0700
      Re: working with raw image files MRAB <python@mrabarnett.plus.com> - 2011-06-13 21:36 +0100
      Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-13 13:41 -0700
        Re: working with raw image files Wanderer <wanderer@dialup4less.com> - 2011-06-13 13:52 -0700
          Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-13 13:58 -0700
            Re: working with raw image files Wanderer <wanderer@dialup4less.com> - 2011-06-13 14:28 -0700
              Re: working with raw image files Martin De Kauwe <mdekauwe@gmail.com> - 2011-06-14 00:49 -0700
                Re: working with raw image files Terry Reedy <tjreedy@udel.edu> - 2011-06-14 12:24 -0400
                Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-14 13:13 -0700
                Re: working with raw image files MRAB <python@mrabarnett.plus.com> - 2011-06-14 21:26 +0100
                Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-14 14:20 -0700
                Re: working with raw image files MRAB <python@mrabarnett.plus.com> - 2011-06-14 23:06 +0100
                Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-14 16:59 -0700
                Re: working with raw image files MRAB <python@mrabarnett.plus.com> - 2011-06-15 01:24 +0100
                Re: working with raw image files Dave Angel <davea@ieee.org> - 2011-06-14 19:25 -0400
                Re: working with raw image files kafooster <dmozejko@gmail.com> - 2011-06-14 17:02 -0700
                Re: working with raw image files Dave Angel <davea@ieee.org> - 2011-06-14 22:13 -0400
                Re: working with raw image files Nobody <nobody@nowhere.com> - 2011-06-15 02:29 +0100
                Re: working with raw image files Nobody <nobody@nowhere.com> - 2011-06-15 02:33 +0100

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