[vtkusers] In iOS volume rendering can not work in 7.1 and 7.1.1

[Blade Whistler]

Got it. Thanks. That's exactly the problem I have.

On Fri, Apr 7, 2017 at 10:03 PM, Ken Martin <ken.martin at kitware.com> wrote:

> Max Smolens is working on it. He was still making some changes yesterday
> so I think it is still in progress. But at least it is, in progress :-)
>  The link is
>
> https://gitlab.kitware.com/vtk/vtk/merge_requests/2665
>
>
> On Fri, Apr 7, 2017 at 9:26 AM, Blade Whistler <bladewhistle at gmail.com>
> wrote:
>
>> Thanks Ken, I will try to find that topic to see if it can resolve my
>> problem.
>>
>> Leon
>>
>> On Fri, Apr 7, 2017 at 2:37 AM, Ken Martin <ken.martin at kitware.com>
>> wrote:
>>
>>> There is a topic in testing with some fixes for iOS, hopefully that will
>>> fix the issues you are seeing.
>>>
>>> On Mon, Apr 3, 2017 at 2:45 AM, Blade Whistler <bladewhistle at gmail.com>
>>> wrote:
>>>
>>>> Hi
>>>>
>>>> I use the volume rendering (VTK 7.0) in iOS for my application. it
>>>> works well.
>>>>
>>>> I'm trying to update to 7.1 or 7.1.1, since in 7.0 I found the clipping
>>>> is not work in 7.0. An error will occur when compiling the shader, the
>>>> error is ''<' does not operate on 'float' and 'int' ". I modifed the shader
>>>> in 'vtkVolumeShaderComposer.h' to make it pass, but the clipping
>>>> performance is poor.
>>>>
>>>> When compiling the 7.1 and 7.1.1 in iOS, the volume rendering is not
>>>> default enabled, I need to modified in vtkiOS.cmake to make it compile.
>>>>
>>>> After compile, when I run volume rendering in iOS, there are still has
>>>> shader compiling problems. I changed the shader (mostly change the 0 to
>>>> 0.0) to bypass the error, but see nothing on the screen. It seems in latest
>>>> version of VTK the volume rendering is not working anymore in iOS.
>>>>
>>>>
>>>> Leon
>>>>
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>>>
>>>
>>> --
>>> Ken Martin PhD
>>> Distinguished Engineer
>>> Kitware Inc.
>>> 28 Corporate Drive
>>> Clifton Park NY 12065
>>>
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>>
>>
>
>
> --
> Ken Martin PhD
> Distinguished Engineer
> Kitware Inc.
> 28 Corporate Drive
> Clifton Park NY 12065
>
> 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
> action taken in reliance on it is prohibited and may be unlawful. If you
> received this communication in error please notify us immediately and
> destroy the original message.  Thank you.
>
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