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

[Ken Martin]

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
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