[vtkusers] Add multiple vtkVolume in vtkAssembly

[vincentTan]

Hi Aashish,

Thanks a lot for your helps. It works but if possible, is there any
solution for the see through effect below:
[image: Inline image 2]

FYI, i have added another vtkVolumeMapper and vtkVolume using the same
source in your code. However, as you have seen it in the image, at certain
angle where both of the objects are overlapped, you could see that the
object located behind could be seen through. In addition, the object in
front is the second vtkVolume that is created and added into vtkAssembly.

Thanks a lot. Appreciate your great helps.
Vincent

On Thu, Nov 26, 2015 at 9:34 AM, Vincent Tan Sin Chia <
sin-chia.vincent-tan at vitrox.com> wrote:

> Hi Aashish,
>
> Thanks a lot for your help.
> Will get back to you once i tested it out.
>
> Thanks a lot.
> Vincent
>
> On Thu, Nov 26, 2015 at 8:51 AM, Aashish Chaudhary-2 [via VTK] <
> ml-node+s1045678n5735203h2 at n5.nabble.com> wrote:
>
>> Hi Vincent,
>>
>> I modified one of the test (attached) and tried vtkAssembly and it worked
>> for me on Ubuntu 14.* using OpenGL2 backend. Can you try this test and see
>> if it works for you as well? If you using OpenGL1 backend, I would hope it
>> should work as well since I believe vtkAssembly code has not changed as
>> much.
>>
>> Thanks,
>>
>>
>> On Wed, Nov 25, 2015 at 6:50 PM, vincentTan <[hidden email]
>> <http:///user/SendEmail.jtp?type=node&node=5735203&i=0>> wrote:
>>
>>> Hi Aashish,
>>>
>>> Thanks a lot for your reply.
>>> Ya, i am trying to render multiple volumes in one go. In my case, i would
>>> like to have two or possibly more vtkVolume in a vtkAssembly so that a
>>> global transformation on them would be applied as to treat those volumes
>>> as
>>> one unit.
>>>
>>> Besides, I have one class designed to keep track of each individual
>>> volume
>>> with its vtkImageData, vtkVolumeMapper as well as vtkVolumeProperty. In
>>> addition, as for vtkAssembly, i just simply add the volumes using
>>> assembly->addPart(subvol.getVolume()) but nothing comes out.
>>>
>>> Thanks a lot.
>>> Vincent
>>>
>>>
>>>
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>>
>>
>> --
>>
>>
>>
>> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.
>> *
>> *| http://www.kitware.com/company/team/chaudhary.html
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>> *TestGPUVolumeRayCastMapper.cxx* (3K) Download Attachment
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See Through.PNG (415K) <http://vtk.1045678.n5.nabble.com/attachment/5735205/0/See%20Through.PNG>




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