[Paraview] Volume positioning

[Cory Quammen]

MHA and NIFTII definitely contain position information that ParaView
should read. Do you have any small-ish representative volumes you can
share (privately with me if needed).

On Mon, Nov 14, 2016 at 10:04 AM, padraig <padraig.looney at gmail.com> wrote:
> I have used MHA and NIFTII. I have converted the MHA into NIFTII using both
> c3d and ITK.
>
>
>
> On 14/11/16 14:59, Cory Quammen wrote:
>>
>> What file format are you using to load the volumes into ParaView? A
>> number of formats support volume positioning, so this should be
>> possible, unless you are loading a series of TIFF images, for example.
>>
>> Thanks,
>> Cory
>>
>> On Mon, Nov 14, 2016 at 5:32 AM, padraig <padraig.looney at gmail.com> wrote:
>>>
>>> Dear list,
>>>
>>> I have been having problems with the positioning of volumes using
>>> Paraview.
>>> ITK tells me that, using,
>>>
>>>      IteratorType  it2( img_input, img_input->GetLargestPossibleRegion()
>>> );
>>>
>>>      it2.GoToBegin();
>>>      ImageType::IndexType begin = it2.GetIndex();
>>>      img_input->TransformIndexToPhysicalPoint(it2.GetIndex(),p0);
>>>      it2.GoToEnd();
>>>      --it2;
>>>      img_input->TransformIndexToPhysicalPoint(it2.GetIndex(),p1);
>>>      std::cout << p0 <<  p1 << std::endl;
>>>
>>>   two volumes I have have the positions
>>>
>>>
>>> [-102.536, -106.413, 30.1491][102.512, 106.414, 177.564]
>>>
>>> and
>>>
>>> [-102.536, -106.413, 30.1491][102.512, 106.414, -117.265]
>>>
>>> When I load these into Paraview they occupy the same volume. In Slicer3D
>>> the
>>> volumes are distinct as I expect above.
>>>
>>> Thanks
>>> Pádraig
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>>
>>
>>
>



-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.