[ITK] pixeltype define and template lost in python warped ITK

Matt McCormick matt.mccormick at kitware.com
Mon Sep 15 16:12:56 EDT 2014


Hi gowith,

To see the available types for itk.Image, run

  dir(itk.Image)

If a type is not available that is desired, enable the option in CMake for
that pixel type.  For unsigned short, set

  ITK_WRAP_unsigned_short

to ON.

Hope this helps,
Matt

On Mon, Sep 15, 2014 at 2:19 PM, gowith king <gowithking at googlemail.com>
wrote:

> Hi McCormick
>      I think you give me a hint for the key error problem: I tried few
> other types in my python such as US , UI, SI ... most of them could not
> work well . another keyerror pops out for the template lose: when I try
> itk.Image[itk.SI, 3]
> KeyError: 'itkTemplate : No template (<itkCType signed int>, 3) for the
> itk::Image class'
>
>
>
> On Mon, Sep 15, 2014 at 8:11 PM, gowith king <gowithking at googlemail.com>
> wrote:
>
>> Hi McCormick
>>      Thank you so much for your suggestion, when I use US it pops out a
>> keyerror , not template for the us3 [?]. But then I change to SS it works
>> well for now.
>>      any suggestion for the second issue ?
>>      I dig for really long time for this keyerror problem , but have no
>> clue at all
>>
>>
>> On Mon, Sep 15, 2014 at 7:54 PM, Matt McCormick <
>> matt.mccormick at kitware.com> wrote:
>>
>>> Hi,
>>>>
>>>
>>>
>>>>
>>>>    -      The imagetype of itk.Image.UC3 should be used for 16 bit
>>>>    image in all the itk instructions. But in my case it only has a range of
>>>>    0-255. Then I take itk.Image.F3, then it get a range of
>>>>    '-3.40282346639e+38  3.40282346639e+38' . The grey value of my image is
>>>>    0-9000 . How could I read it proprietorially?
>>>>
>>>> itk.Image.UC3 is an itk::Image with unsigned char pixels (range 0-255)
>>> and with three dimension.  For the correspondence between mangled names and
>>> basic types see [1].  For a 16 bit image use 'US' or 'SS'.
>>>
>>> HTH,
>>> Matt
>>>
>>> [1]
>>> http://itk.org/gitweb?p=ITK.git;a=blob;f=Wrapping/WrapBasicTypes.cmake;h=f303a1c245a541e702674f969dac8209b12f2e93;hb=HEAD
>>>
>>>
>>>
>>
>
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