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

[Matt McCormick]

Hi gowith,

Is an Update() call missing?

HTH,
Matt

On Tue, Sep 16, 2014 at 4:27 AM, gowith king <gowithking at googlemail.com>
wrote:

> Hi , Matt
>      I tried it , it does not work as well. the print
> LabelFilter0.GetNumberOfObjects() always returns 0,
>     what i want to do it every nasty: sign 1 to label 1, 100 to label 2
> ,and there is no background at all.
>    My images all like the attached image but in 3D , the 3D version will
> be attached later ,thank you for your attention
>
> On Mon, Sep 15, 2014 at 11:58 PM, Matt McCormick <
> matt.mccormick at kitware.com> wrote:
>
>>
>>
>> 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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