[vtkusers] Using new image rendering classes

[Jothybasu Selvaraj]

vtkImageSliceMapper has some useful methods like SetOrientation andSetSlice!



On Fri, Jul 13, 2012 at 10:56 AM, Jothybasu Selvaraj
<jothybasu at gmail.com> wrote:
> Hi all,
>
> I have just started using new imaeg rendering classes in vtk5.10. I
> want to extract a slice in axial orientation and I am finding it hard.
>
> I am using a vtkPlane as shown in the below code to extract the slice
> (-20 in world coords) but it seems to slice in image coords. I don't
> want slicing with mouse.
>
> For other orientations the image are black. I tried different
> interaction mode (2D, 3D).
>
> if someonw could add an example on how to slice with vtkPlane , it
> would be great!
>
>
>
> vtkSmartPointer<vtkInteractorStyleImage>style=
>                 vtkSmartPointer<vtkInteractorStyleImage>::New();
>         style->SetInteractionModeToImage3D();
>         renderWindowInteractor->SetInteractorStyle(style);
>         renderWindow->SetInteractor(renderWindowInteractor);
>
>         // Create a plane to cut
>         vtkSmartPointer<vtkPlane> plane =
>                 vtkSmartPointer<vtkPlane>::New();
>         plane->SetOrigin(0,0,-20);
>         plane->SetNormal(0,0,1);
>
>         vtkSmartPointer<vtkImageResliceMapper>sm=
>                 vtkSmartPointer<vtkImageResliceMapper>::New();
>         sm->SetInputConnection(imgReader->GetOutputPort());
>         //sm->SliceFacesCameraOn();
>         //sm->SliceAtFocalPointOn();
>         sm->SetSlicePlane(plane);
>         sm->BorderOff();
>         sm->AutoAdjustImageQualityOn();
>
> Thanks
>
> --
> Jothybasu Selvaraj
> PhD Student
> University of Liverpool
> UK



-- 
Jothybasu Selvaraj
PhD Student
University of Liverpool
UK