[vtkusers] Rotate vtkImage with vtkmatrix4x4

[Jothy]

Thanks!

Now my images appeasr like the one shown in figure.

I need to rotate the image and dose about the ImagePositionPatient
upside-down.

I tried vtkImageFlip - it invalidates the dicom coordinate system and the
dose and image doesn't match.

I tried this

       vtkMatrix4x4 *invert = vtkMatrix4x4::New();

        invert->DeepCopy( imageReader->GetDirectionCosines());

        invert->Invert();

         vtkImageReslice *reslice = vtkImageReslice::New();

        reslice->SetResliceAxes( invert );

        reslice->SetInput(this->imageData);

        reslice->Update();

But it doesn't rotate the image.How to rotate the image?

Thanks

Jothy



On Tue, Mar 1, 2011 at 4:07 PM, Jothy <jothybasu at gmail.com> wrote:

> But in this example FileLowerLeft is switched off.
>
> Thanks
>
> Jothy
>
>
> On Tue, Mar 1, 2011 at 3:50 PM, Mathieu Malaterre <
> mathieu.malaterre at gmail.com> wrote:
>
>> jothy, I think what you are looking for is already in gdcm, have a look
>> at:
>> gdcmreslice.cxx
>>
>> hth
>> On Tue, Mar 1, 2011 at 4:31 PM, Jothy <jothybasu at gmail.com> wrote:
>> > Hi all,
>> >
>> > I am trying to rotate vtkImageData using vtkMatrix4x4 about a point. is
>> > there any example on how to do this?
>> >
>> > Thanks
>> >
>> > Jothy
>> >
>> > _______________________________________________
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>>
>>
>> --
>> Mathieu
>>
>
>
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