[Paraview] Volume positioning

[padraig]

Attached are two volumes that have an overlap in paraview but the ITK 
volume I find using the code below means there should be no overlap




On 14/11/16 15:09, Cory Quammen wrote:
> 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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>>>
>
>

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