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

[Matt McCormick]

On Mon, Sep 15, 2014 at 5:31 PM, gowith king <gowithking at googlemail.com>
wrote:

> Thanks McCormick , I use the dir(itk,Image) and dir(itk.LabelMap) and
> dir(to get some information : UC3 is included in itk.image then it is good.
> Then I tried all the other dir() for each of my filter , made lots of
> correction , now the pepline works perfect [?] Thank you again .
>
> But I still could not get my result ...
> because of the filters I may not really understand.
>
> I have three filters
> BinaryThresholdImageFilter # to get a binary image for now I get only two
> values 1 and 100 it works well. I what the labelmap contains both two parts
> of them
> BinaryImageToLabelMapFilter #I have no idea if it works well or not
> LabelMapToLabelImageFilter   # returns a empty image
>
> Do you have any idea about this ?
>

Perhaps SetInputForegroundValue [1] needs to be set?

HTH,
Matt

[1]
http://www.itk.org/Doxygen/html/classitk_1_1BinaryImageToLabelMapFilter.html#a5c56958ec0ae8d3a9bf7ae759c680c4a



>
> On Mon, Sep 15, 2014 at 10:12 PM, Matt McCormick <
> matt.mccormick at kitware.com> wrote:
>
>> 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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