[vtkusers] A problem - who can help me ?

[Amy Squillacote]

Hi JohnMark,

Please provide sample code demonstrating your problem. It is very
difficult (if not impossible) to know what may be going wrong with your
program without seeing the relevant part of the code.

- Amy

JohnMark wrote:
> hi,
> when I compiled an example of vtkImageShiftScale with VTK and C++ , I
> found a small problem . the example is ImageInteractor .and my problem
> is : at first time , I can draw a rectangle on a CT picture with mouse
> , and when I press the mouse left button again ,a rectangle could be
> drawn again but the CT picture disappear . and I have make the picture
> to be visibility when I press the left mouse button :
> pictureActor->VisibilityOn();
> and when I release the left mouse button I set it to be invisibility :
> pictureActor->VisibilityOff();
> but unfortunately , I could not see the CT picture after I draw a
> rectangle . So what is wrong with my program ? and how should I do to
> work out it ? thank you !
>
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-- 
Amy Squillacote
Kitware, Inc.
28 Corporate Drive
Clifton Park, NY 12065
Phone: (518) 371-3971 x106