[vtkusers] Error: no override found for 'vtkRayCastImageDisplayHelper'

[Ken Martin]

I do not know why it is required for me on iOS but it seemed that at least
some times I do need it. Maybe an objective C setting on my Xcode projects
or something with the cross compiled framework initialization. Not sure.

Thanks
Ken

On Thu, Dec 10, 2015 at 10:05 AM, Aashish Chaudhary <
aashish.chaudhary at kitware.com> wrote:

> Thanks Ken. I see that in the example code you have added a call to
> RegisterFactory on OpenGL2. I am wondering why it is needed to make a
> explicit call to it?
>
> On Thu, Dec 10, 2015 at 8:03 AM, Yassmin Abdallah <
> yassminabdallah at gmail.com> wrote:
>
>> No sir you are right,
>>
>> just added this line and it works fine,
>>
>>     vtkObjectFactory::RegisterFactory(vtkRenderingOpenGL2ObjectFactory::
>> New());
>>
>>
>>     vtkObjectFactory::RegisterFactory(
>> vtkRenderingVolumeOpenGL2ObjectFactory::New());
>>
>> Thanks a lot.
>>
>>
>>
>> On Dec 10, 2015, at 2:57 PM, Ken Martin <ken.martin at kitware.com> wrote:
>>
>> Sorry I was assuming you were on iOS based on prior emails. If on x86 etc
>> then ignore what I said.
>>
>> On Thu, Dec 10, 2015 at 7:55 AM, Ken Martin <ken.martin at kitware.com>
>> wrote:
>>
>>> Maybe try adding
>>>
>>>
>>> vtkObjectFactory::RegisterFactory(vtkRenderingVolumeOpenGL2ObjectFactory::New());
>>>
>>> early on and make sure you are building vtk with the OpenGL ES version
>>> 3.0 versus 2.0
>>>
>>> Ken
>>>
>>>
>>> On Thu, Dec 10, 2015 at 12:00 AM, Yassmin Abdallah <
>>> yassminabdallah at gmail.com> wrote:
>>>
>>>> Yes i included the header file,
>>>>
>>>> i got bad access when initial with the error no override found,
>>>>
>>>> <Screen Shot 2015-12-10 at 6.53.27 AM.png>
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
>>> --
>>> Ken Martin PhD
>>> Chairman & CFO
>>> Kitware Inc.
>>> 28 Corporate Drive
>>> Clifton Park NY 12065
>>> 518 371 3971
>>>
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>>
>>
>>
>> --
>> Ken Martin PhD
>> Chairman & CFO
>> Kitware Inc.
>> 28 Corporate Drive
>> Clifton Park NY 12065
>> 518 371 3971
>>
>> This communication, including all attachments, contains confidential and
>> legally privileged information, and it is intended only for the use of the
>> addressee.  Access to this email by anyone else is unauthorized. If you are
>> not the intended recipient, any disclosure, copying, distribution or any
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>> received this communication in error please notify us immediately and
>> destroy the original message.  Thank you.
>>
>>
>>
>
>
> --
>
>
>
> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
> *| http://www.kitware.com/company/team/chaudhary.html
> <http://www.kitware.com/company/team/chaudhary.html>*
>



-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

This communication, including all attachments, contains confidential and
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