[vtk-developers] OpenVR with DICOM series

[Lucas Gandel]

Ricardo,

Volume data are usually expressed in millimeters but the world scale is in
meters. Multiplying the origin and spacing of your input data by a 1/1000
factor might also help.

Thanks,
Lucas

On Wed, Jul 19, 2017 at 9:17 PM, Ken Martin <ken.martin at kitware.com> wrote:

> You may want to reduce the scale. In the current VTK I believe if you call
> SetDistance( ) on the camera that will also adjust the scale. Specifically
> I think the distance you set will be mapped into 1 meter in the real world.
> Maybe give that a shot.
>
> There are a lot of VR related changes coming in the next few weeks
> hopefully. I have made them but they need to be tested and merged into VTK
> master which will take a while.
>
>
> On Fri, Jun 23, 2017 at 3:33 PM, Ricardo <ricardo_morello at hotmail.com>
> wrote:
>
>> I've been using VTK with OpenVR for some time now, and I'd like to know
>> how
>> to reduce a volume size, given a reconstructed series of DICOM. When using
>> VTK without openvr, the volume seems pretty normal, but when seen through
>> the glasses, the image gets much bigger.
>> Thanks!
>>
>>
>>
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>
>
> --
> Ken Martin PhD
> Distinguished Engineer
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