<div dir="ltr">Thanks David, I have set the interactor to: vtkInteractorStyleImage and works just fine, however, the WW and WL is not working.. according to this:<div><a href="http://fossies.org/linux/misc/vtk-6.0.0.tar.gz:a/VTK6.0.0/Interaction/Style/vtkInteractorStyleImage.h">http://fossies.org/linux/misc/vtk-6.0.0.tar.gz:a/VTK6.0.0/Interaction/Style/vtkInteractorStyleImage.h</a><br>
</div><div>it should work just by pressing left mouse button and dragging..</div><div>any clue what I may be missing?</div><div><br></div><div>Here's my code:</div><div><br></div><div><div>      vtkImageViewer2 _ImageViewer = vtkImageViewer2.New();</div>
<div><br></div><div>                    vtkDICOMImageReader reader = vtkDICOMImageReader.New();</div><div>                    reader.SetFileName(ofdmulti.FileNames[0]); /only first image to be renderer</div><div>                    reader.Update();</div>
<div><br></div><div>                    _ImageViewer.SetInputConnection(reader.GetOutputPort());</div><div>                    vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;</div><div>                    vtkRenderer ren = renderWindow.GetRenderers().GetFirstRenderer();</div>
<div>                    vtkRenderWindowInteractor interactor = vtkRenderWindowInteractor.New();</div><div>                    vtkInteractorStyleImage iteractor_image = vtkInteractorStyleImage.New();</div><div>                    interactor.SetInteractorStyle(iteractor_image);</div>
<div>                    renderWindow.GetInteractor().SetInteractorStyle(iteractor_image);</div><div>                    </div><div>                    </div><div>                    _ImageViewer.SetRenderWindow(renderWindow);</div>
<div>                    _ImageViewer.SetSlice(0);</div><div>                    _ImageViewer.Render();</div></div><div><br></div><div>Thanks!</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Feb 8, 2014 at 10:36 AM, David Cole <span dir="ltr"><<a href="mailto:dlrdave@aol.com" target="_blank">dlrdave@aol.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Zoom, pan and rotation are built in to the default interactor style that you get when you create a vtkRenderWindow (which the RenderWindowControl does for you).<br>

<br>
If you want one that provides WW/WL control in the interactor style, you just have to instantiate a style that provides that behavior and then set it as the current interactor style in the control's interactor.<br>
<br>
Google around for examples on setting interactor styles, and then adapt one of those and call the method:<br>
<br>
    renderWIndowControl.<u></u>GetRenderWindow().<u></u>GetInteractor().<u></u>SetInteractorStyle(<br>
..... put the new style here .....);<br>
<br>
<br>
HTH,<br>
David C.<br>
<br>
</blockquote></div><br></div>