<div dir="ltr">I think vtkImageViewer2 is often used to view medical images, so medical images use a grey LUT often. I think the vtkImageViewer should be using a greyscale LUT by default ( with less pain to the user).<br><br>
By default the InteractorStylrToImage allows you to vary windowlevel and WindowWidth on mouse move , thats why when you interact it changes the grayscale. I hope you know what I mean by window level and width.<br><br>Dig the sourcefile of vtkImageViewer2, it should use greyscale LUT.<br>
<br>Jothy<br><br><div class="gmail_quote">On Tue, Apr 13, 2010 at 4:22 PM, David Doria <span dir="ltr"><<a href="mailto:daviddoria%2Bvtk@gmail.com">daviddoria+vtk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im">On Tue, Apr 13, 2010 at 11:18 AM, Jothybasu K Selvaraj<br>
<<a href="mailto:jothybasu@gmail.com">jothybasu@gmail.com</a>> wrote:<br>
> You use vtkImageViewer2->SetupInteractor(vtkRenderWindowInteractor)<br>
><br>
> If you don't set that it will allow you to rotate it in 3D.<br>
><br>
> From the links ,I found you are setting the interactor as<br>
> interactor.SetRenderWindow()<br>
><br>
> Jothy<br>
<br>
</div>Hi Jothy -<br>
<br>
This is getting closer:<br>
<div class="im"><br>
<a href="http://www.vtk.org/Wiki/VTK/Examples/ImageViewer2" target="_blank">http://www.vtk.org/Wiki/VTK/Examples/ImageViewer2</a><br>
<br>
</div>But it seems to switch to grayscale as soon as you do any interaction??<br>
<br>
Also, the question remains why would one use this instead of a more<br>
typical workflow of simply using SetInteractorStyle() with a<br>
vtkInteractorStyleImage?<br>
<br>
Thanks,<br>
<font color="#888888"><br>
David<br>
</font></blockquote></div><br></div>