[vtkusers] vtkImagePlaneWidget contrast control

[Jothy]

I don't have exact answer for this. But , I think you need to
manipulate the observers.HAve a look at this

http://www.cmake.org/Wiki/VTK_Examples#User_Interaction

Jothy

On Fri, Apr 30, 2010 at 3:58 PM, somi <seesomi at gmail.com> wrote:
> Hi Jothy,
> I want the brightness/control through a user control slider (in Qt). I also
> show the surface overlaid over the image plane widget
>
>  Which function should I override to implement my own brightness/contrast
> control ? I didn't find anything specific @
> http://www.vtk.org/doc/nightly/html/classvtkInteractorStyleImage.html
>
> Also while playing with the interactor, I noticed that if my mouse is over
> an image and I drag left/right I can adjust contrast and if I click and drag
> up/down I can adjust contrast.
> Do I have to imement my own interactor style and override right click ?
> Isn't there any SetContrast/SetBrightness interface ?
>
> Regards,
> Somi
>
>
>
> On Fri, Apr 30, 2010 at 10:44 AM, Jothy <jothybasu at gmail.com> wrote:
>>
>> I think by  setting Interacto Style to InteractorStyleToImage
>>
>> Jothy
>>
>> On Fri, Apr 30, 2010 at 3:31 PM, somi <seesomi at gmail.com> wrote:
>> > Hi,
>> > I have a 3D volume (vtkImage) which I show through 3 orthogonal
>> > vtkImagePlaneWidgets. How can I add brightness and contrast control to
>> > this
>> > widget ?
>> >
>> > Regards, Somi
>> >
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