[vtkusers] Mouse interaction with vtkActor2D and Renderer/RenderWindow

[TJ Wilkinson]

Charl-

I appreciate your help, but I may have misled you as to the source of my
problem.  The steps you have described are to interact with a vtkActor
representing some 3D rendered model.  I am working with 2D images on
vtkActor2D, and the interactor techniques that work with 3-D actors don't
seem to function when confronted with Actor2D.  Now, if there's something
I'm missing or perhaps you know that interacting with 2D images works,
please let me know, for I'd be happy to hear it.  But what I know now is
that interaction works fine for a vtkActor in a vtkRenderer, but there is
no interaction for a vtkActor2D in a vtkRenderer when I switch them in the
code.

I appreciate your help, and I hope I have stated my question more clearly
this time.

Sincerely,

Todd



On Tue, 26 Jun 2001, Charl P. Botha wrote:

> On Tue, Jun 26, 2001 at 10:26:24AM -0400, TJ Wilkinson wrote:
> > The image is larger than the image window, so I want to be able to "grab"
> > the image with the mouse to navigate and see more of it.  I am very new to
>
> With your renderwindow selected, press 't'.  This should put you in
> trackball mode, which you might find more intuitive.  Now you can "grab" the
> object with your mouse and move it with the MIDDLE button.  LEFT button
> rotates (grab a point on the object and drag).  Clicking anywhere with your
> RIGHT button and dragging zooms in and out (depending on drag direction).
>
> FYI, I can really recommend buying the VTK book.  It's well written, teaches
> you all about VTK and to boot it's a great introduction to several
> visualisation techniques.
>
> --
> charl p. botha      | computer graphics and cad/cam
> http://cpbotha.net/ | http://www.cg.its.tudelft.nl/
>
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