[ITK] [ITK-users] itk::CastImageFilter causes AccessViolationException

[Dženan Zukić]

Have you tried calling Update on the import filter? That might be the
problem. Cast filter is simple and non-special, I doubt it is the problem.

On Wed, Jul 27, 2016 at 8:26 PM, Andrew Harris <aharr8 at uwo.ca> wrote:

> Thanks Dženan, as I said in my previous email running Update() on the
> castFilter pointer returns the same error.  I did put in a try/catch block
> to update it though.
>
> --
>
> AH
>
>
>
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> On Wed, Jul 27, 2016 at 5:16 PM, Dženan Zukić <dzenanz at gmail.com> wrote:
>
>> Hi Andrew,
>>
>> I think that line 62 of .cpp should be:
>> castFilter->Update();
>> I don't see the pipeline updated elsewhere.
>>
>> Regards,
>> Dženan
>>
>> On Wed, Jul 27, 2016 at 3:54 PM, Andrew Harris <aharr8 at uwo.ca> wrote:
>>
>>> Thanks for getting back to me, after conferring with a colleague I tried
>>> using the output of the cast filter directly in the subsequent pipeline
>>> rather than writing it to a new image object of the filter's output type. I
>>> got the same error doing that, and also got the same error just running
>>> Update() on the cast filter, which leads me to believe I'm doing something
>>> wrong in setting up the cast filter.  I'm attaching my code for the class
>>> I'm writing, hope it's something simple I'm doing wrong. Currently it's
>>> throwing the exception at line 85 when the registration transform
>>> initializer is activated.
>>>
>>> --
>>>
>>> AH
>>>
>>>
>>>
>>> -----------------------------------------------------------------------------------------------
>>>
>>> *This email and any attachments thereto may contain private,
>>> confidential, and privileged materials for the sole use of the intended
>>> recipient. Any reviewing, copying, or distribution of this email (or any
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>>> On Tue, Jul 26, 2016 at 7:09 PM, Bradley Lowekamp <brad at lowekamp.net>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> The most common mistake here would be forgetting to call Allocate on
>>>> your image. Beyond that sharing your code would be helpful.
>>>>
>>>> Brad
>>>>
>>>> On Jul 26, 2016, at 1:43 PM, Andrew Harris <aharr8 at uwo.ca> wrote:
>>>>
>>>> Hello,
>>>> I am attempting to use the CastImageFilter to convert between unsigned
>>>> char and float image types, and am getting a
>>>> System.AccessViolationException at runtime.  I have seen reference to this
>>>> being caused by referring to a pointer that is out of scope, but in this
>>>> case both the image and the cast filter are delcared in the same method, so
>>>> I’m not sure how it can be going out of scope.  I can include the header
>>>> and definition files if that would be helpful.
>>>>
>>>> --
>>>>
>>>> AH
>>>>
>>>>
>>>>
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